WO2015037753A1

WO2015037753A1 - Safety syringe and filter-integrated safety syringe

Info

Publication number: WO2015037753A1
Application number: PCT/KR2013/008259
Authority: WO
Inventors: 김종욱
Original assignee: 주식회사 아이엠티코리아
Priority date: 2013-09-12
Filing date: 2013-09-12
Publication date: 2015-03-19

Abstract

The present invention relates to a safety syringe comprising a device capable of selectively covering a needle, thereby reducing the danger of being pierced by the needle so as to improve the safety of an operator of the needle. To this end, the present invention provides a safety syringe comprising a safety device in which a needle covering member capable of covering the needle of a syringe by encompassing the same from the outside or exposing the needle so as to enable assembly or separation is integrated and an operation member capable of controlling the operation of the needle coverage member is integrated, and which forwardly or backwardly moves the needle covering member according to the operation of the operation member by an operator. Therefore, a stabbing incident caused by being pierced by the needle of a syringe and a secondary infection incident caused by the mixing of foreign matter and the like can be prevented in advance, related medical expenses can be reduced, and the safety of use and convenience of an operator can be promoted by improving convenience through an easy and convenient operation method.

Description

Safety Syringe and Filter Integrated Safety Syringe

The present invention relates to a safety syringe and a filter-integrated safety syringe, and more particularly, it is possible to selectively conceal the needle of the syringe to reduce the risk of needle puncture, thereby ensuring the safety of the operator to prevent all the blood-borne diseases associated with the syringe. The present invention relates to a safety syringe that can protect the health and safety of the operator, and a filter-integrated safety syringe that is integrally provided with a filter function for maximizing the safety of the injection by filtration for each of suction and discharge of the injection.

In general, doctors or practitioners who work in hospitals are exposed to the risk of safety accidents being stabbed by a needle first used by a patient. In particular, nurses frequently involve needle punctures during disposal after using disposable syringes. In addition, the reuse of syringes, as well as stab wounds caused by needle needle punctures, may cause secondary infections in dangerous practitioners and patients and should be ruled out.

In order to rule out this risk, doctors or nurses have recently inadvertently lowered the needle tip in the wrong direction while covering the cap to protect the needle from the tip of the needle to the bottom after using the disposable syringe. As it occurs, legislation is in progress to mandate the use of safety syringes in hospitals, but in practice, many hospitals have avoided the use of safety syringes due to cost burden.

For this reason, in recent years, the number of hospitals instructing the disposal of the needles without the use of protective caps is increasing, and the secondary damage cases of workers such as cleaning workers are increasing.

Currently, the type of safety syringe has a safety device that protects the needle on the surface of the syringe. After use, the needle protection device is operated to dispose of the syringe, or the needle is inserted into the syringe or the type of the syringe has been modified. Syringes are commonly used.

The above-mentioned safety syringes are neglected due to the price difference of many times more than the existing use in consideration of the price of disposable syringes, but in recent years, efforts to mandate the use of safety syringes in the areas that can deal with diseases that can be infected with blood This is being done.

In addition, since the syringe and the safety syringe equipped with the filter function currently have separate products for each purpose, these safety syringes cannot perform the filter function at all, whereas the filter syringe can perform the safety function at all. There was a problem that could not be.

As a conventional technology developed to solve such a problem, Korean Patent No. 10-1245378 (registered on March 19, 2013; hereinafter referred to as 'Patent Document 1') includes a filter in a section for inhaling and discharging a chemical solution of a syringe. Description of the Related Art A filter needle is disclosed to prevent foreign substances from being contained in a drug solution that is internally contained when filling a drug solution from an ampoule into a cylinder of a syringe and when a drug solution is administered to a patient, and a schematic view is illustrated in FIG. 1. .

According to the filter needle disclosed in Patent Literature 1, a filter structure composed of a circular body 10 and a filter 20 is incorporated in a holder 3 for fixing the needle 4 to a syringe, and the structure of the filter structure is a screening membrane ( 12 and the inlet port 5a and the outlet port 5b are distinguished by the circular body 10 composed of the incision line 12a and the rim 11, and the respective inlet port 5a and the outlet port 5b are checked. The valve structure is to be opened in only one direction to distinguish between the suction path and the discharge path, and the discharge port (5b) is equipped with a filter 20 for preventing the discharge of foreign substances are to be administered to the patient while remaining in the syringe The filter 20 is formed in the form of a circular pipe consisting of a cylindrical membrane 21 and a blocking membrane 22, and is mounted to be exposed to the rear of the valve to widen the cross-sectional area where the chemical liquid is filtered. By distributing the filtering when the discharge pressure was reduced to the pressure at which the piston is weighted chemical liquid injection easier for the patient.

However, in the prior art disclosed in Patent Literature 1, the needle is artificially deformed to increase the length of the needle, and then the filter structure is mounted inside the needle to integrally configure the needle and the filter, which is incompatible with the needle of a general syringe. If the gauge is changed to a different needle according to the type of the drug and the size of the blood vessel, the drug solution is administered or if the drug solution is administered by directly connecting the cylinder to the injection port while the needle is removed, the filtration function cannot be used. Will occur.

On the other hand, US Patent US4332249 (JUN, 1,1982 registered; abbreviated as "Patent Document 2") discloses a technique for a filter and valve assembly (original: Filter and valve assembly for hypodermic syringe) for the hypodermic syringe 2A and 2B are sectional views of the main parts thereof.

According to the filter and valve assembly for a hypodermic syringe disclosed in Patent Document 2, the needle 4 and the filtration device are attached to the inside of the needle 4 by attaching a filtration device 30 composed of a filter paper 31 and an elastic valve 32. 30 is integrally formed and is opened only in one direction by the structure of the elastic valve 32 to form the inlet of the chemical liquid from the needle to the inside of the cylinder, and the discharge port of the chemical liquid from the inside of the cylinder to the needle by the filter paper 31. It is formed to enable the filtration of foreign matter through the filter paper.

However, in the case of Patent Document 2, since the filter paper used as the filtration device is configured using a very thick filter paper 31, there is a lot of inconvenience in use because the hydraulic pressure is not configured smoothly when injecting or discharging the injection liquid.

In addition, the Republic of Korea Patent Registration No. 10-1165946 (2012.07.10 registration; hereafter referred to as 'Patent Document 3') to inhale the injection solution into the inside of the syringe so as not to go through the filter to enable a smooth suction of the injection solution, while When administering the injection liquid inhaled into the syringe to the human body has been disclosed a technology related to the filter element for the syringe to pass through the filter to filter the foreign matter contained in the injection liquid, the schematic diagram is illustrated in FIG.

According to the filter member for a syringe disclosed in Patent Literature 3, the needle 4 is coupled to the front, the rear is opened, and the first mounting portion 41a and the second mounting portion 41b are successively provided on the rear side. The needle holder 41 and the first mounting portion 41a are rotated in the middle block 42 and the second mounting portion 41b formed so that the suction passage hole 42a through which the suction liquid is passed passes through the axial direction. The front end is inserted in a possible state, and an opening cap 43 is formed at the rear thereof so that the neck portion of the cylinder 1 is fitted and the front side is formed with a filter hole 43a and a communication hole 43b which are selectively communicated with the suction passage hole. , And the filter 44 blocking the filter hole of the ending cap.

However, in the prior arts disclosed in Patent Documents 1 to 3, all injection liquids and foreign substances are introduced into the cylinder of the syringe without passing through the filter, and only the primary filtration function is implemented when discharging the injection liquid. There was a problem such that it can not be safely removed.

In addition, the technique of Patent Documents 1 to 3 has a problem that can not selectively conceal the syringe needle can not guarantee the safety of the user.

[Preceding technical literature]

[Patent Documents]

(Patent Document 1) KR 10-1245378 B1 2013.03.19 Registration

(Patent Document 2) US 4332249 1982.06.01 registration

(Patent Document 3) KR 10-1165946 B1 2012.07.10 Registration

Therefore, the present invention has been made to solve the problems of the prior art, it is that the foreign matter other than the drug solution is injected into the human body by the double filtration function for each of the suction and discharge of the injection solution of the present invention Effectively prevents the patient's safety with respect to the chemical solution, and has a filtration device in the form of a connector which is an intermediate medium that can be interposed between the needle holder of the syringe and the cylinder. And a device capable of selectively concealing the needle to reduce the risk of being punctured by the needle, thereby ensuring the safety of the operator against the needle, thereby ensuring the health and safety of the patient and the operator from all blood-borne diseases associated with the syringe. Provides safety syringe and filter-integrated safety syringe I would like to.

One embodiment of the present invention for achieving the above object is provided with a needle concealment member that can be assembled or detachably integrated to cover or conceal or expose the needle of the syringe from the outside and can control the operation of the needle concealment member It is a safety syringe including a safety device that is integrally provided with the operation member to move the needle concealment member forward or backward in accordance with the operation of the operation member by the operator.

Another embodiment of the present invention for achieving the above object, is assembled between the needle holder and the cylinder neck portion of the syringe and separate and formed the outlet and the inlet for the discharge and suction of the chemical liquid, respectively, and the filter member and packing in the outlet and the inlet A filter-embedded connector member in which a member is respectively inserted and a pushbutton coupling ring is integrally formed at the rear end of the body for coupling with the operation member; and a needle concealment member for covering or hiding the needle of the syringe from the outside; A safety device that is integrally provided with the built-in connector member so as to be assembled or detached and integrally provided with an operation member capable of controlling the operation of the needle concealment member, and thus a safety device for advancing or reversing the needle concealment member according to the operation of the operation member by the operator. It is a filter integrated safety syringe containing.

According to the present invention, the use of a filter-integrated safety syringe simultaneously implements the filter function and the safety function in a single use, thereby preventing secondary infections caused by needle puncture of the syringe and mixing of foreign substances in advance, and related medical expenses. To improve the convenience and convenience of the operator by reducing the manufacturing cost, and to improve the price competitiveness by reducing the manufacturing cost and to be able to combine and separate the filter and safety functions. According to the needs of the consumer, there is an advantage such as facilitating the market expansion by customized response.

1 is a cross-sectional view illustrating the configuration of a needle integrated filter of the prior art.

2A and 2B are cross-sectional views illustrating prior art hypodermic filter and valve assemblies.

Figure 3 is a cross-sectional view illustrating a filter element for a syringe of the prior art.

4A and 4B are assembled perspective views illustrating the use state and the non-use state of the filter-integrated safety syringe according to the preferred embodiment of the present invention, respectively.

5A to 5C are assembled perspective views illustrating main parts of a filter-integrated safety syringe according to a preferred embodiment of the present invention.

6 is an exploded perspective view of FIG. 5A.

7A to 7C are cross-sectional views illustrating the internal filtering structure during the incision and the chemical liquid intake / discharge of the filter-embedded connector member of FIG. 5A.

FIG. 8 is a cross-sectional perspective view illustrating the filter insertion portion of the connector member cut horizontally and vertically, respectively, to explain a filter paper insertion state in the filter embedded connector member of FIG. 5A.

Hereinafter, the configuration and the overall operation of the safety syringe and the filter-integrated safety syringe according to each embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The terms or words used in this specification and claims are not to be construed as limiting in their usual or dictionary meanings, and the inventors may properly define the concept of terms in order to best explain their invention in the best way possible. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention. Therefore, since the embodiments described in the specification and the configuration shown in the drawings are only one of the most preferred embodiments of the present invention, it is understood that there may be various equivalents and modifications that can replace them at the time of the present application. shall.

4A and 4B are assembled perspective views illustrating the use state and the non-use state of the filter-integrated safety syringe according to a preferred embodiment of the present invention, respectively. FIGS. 5A to 5C are filter-integrated safety according to a preferred embodiment of the present invention. 6 is an exploded perspective view illustrating the main part of the syringe, and FIG. 6 is an exploded perspective view of FIG. 5A, and the filter-integrated safety syringe of the present invention includes a filter-embedded connector member 110 and a safety device 300. do.

On the other hand, another preferred embodiment of the invention can be formed of a safety syringe in a configuration that uses only the safety device 300 directly assembled and attached to the cylinder neck portion or the needle holder 3 of the general syringe, of course, such a In the safety syringe of the configuration, the filter-embedded connector member 110 is not necessary, and the other components are the same in the configuration and the assembly process of the preferred embodiment of the present invention.

The filter-embedded connector member 110 is assembled between the needle holder 3 of the syringe and the cylinder neck portion, and separately forms an outlet and an inlet for discharging and inhaling the chemical liquid, and at least one filter member 120 at the outlet and the inlet. And a packing member 130 are inserted, respectively, and the pushbutton coupling ring 110a for coupling the filter embedded connector member 110 and the operation member 320 to the rear end of the filter embedded connector member 110. It is formed integrally. Detailed description of the filter-embedded connector member 110 will be described later.

The safety device 300 includes a needle concealment member 310 and an operation member 320, and includes a needle concealment member 310 that can cover or conceal or expose the needle 4 of the syringe from the outside. 110 is provided integrally or detachably integrally provided with an operation member 320 that can control the operation of the needle concealment member 310 according to the operation of the operating member 320 by the operator needle hiding member Configured to move 310 forward or backward.

The needle concealment member 310 has a bush 311 that can cover or conceal or expose the needle of the syringe from the outside, and includes a rod 312, a bush / rod joint 313, a bush guide 314, and a rod. Including a guide 315, the compressive force of the elastic member 325 released by the push button of the operation member 320 (that is, the restoring force of the elastic member constrained and preserved in a compressed state) and the manual force applied by the operator The bush 311 moves forward or backward to selectively conceal or expose the needle of the syringe.

The bush 311 forms an inner space capable of covering or hiding the needle 4 of the syringe and the filter embedded connector member 110 from the outside, and is formed of a cylindrical body.

The rod 312 is integrally formed with the bush 311 so as to support the bush 311 at one side, and is formed to have a length corresponding to a forward and backward movement distance of the bush 311 and is embedded in the operation member 320. By assembling and compressing the elastic member from the front end to the rear end, the rod 312 is assembled to advance toward the front end by the restoring force of the elastic member in the compressed state when the push button is operated by the operator. In addition, the rod 312 is formed to a diameter corresponding to the elastic member so that the elastic member embedded in the operation member 320 can be in close contact and compression from the front end to the rear end, the rod guide 315 on the outer peripheral surface of the rear end of the body To form a locking projection (312a) to be coupled to the front end of the engaging.

The bush / rod joint 313 integrally connects the tip portion of the bush 311 and the rod 312.

The bush guide 314 is composed of a cylindrical body having a diameter capable of inserting the bush 311 therein to support the bush 311 by inserting the bush 311 therein and to guide its forward and backward operations. In addition, the bush guide 314 is configured to form a rod insertion groove 314a at the front end of the body so that the rod 312 can be fitted and assembled, and to form a joint insertion groove 314b at the rear end of the body to form a housing / Guide joint 313 is configured to be fitted to be assembled.

The rod guide 315 has a diameter and a shape capable of inserting the rod 312 and the bush / rod fitting 313 therein to support the rod 312 and the bush / rod fitting 313. And guides forward and backward movement of the rod 312. In addition, the rod guide 315, the locking step 315a is formed along the inner circumferential surface of the front end of the body is configured to catch the locking projection (312a) of the rod 312 to prevent the separation, the rear end of the body A protrusion assembly groove 315b formed by cutting a portion of the body is provided at the bush 311 so that the locking protrusion 312a of the rod 312 can be assembled when the bush 311 is retracted, and is limited along the inner circumferential surface at the rear end of the body. The protrusion 315c is formed to catch the limiting jaw 322c of the push guide 322 when the bush 311 is moved forward to prevent separation.

The needle concealment member 310 of this configuration is assembled to the operation member 320 so that one end thereof is supported by the operation member 320 and extends in the direction of the needle of the syringe, and the bush 311 is the needle 4 of the syringe 4 or It is preferable that the central axis is positioned on the same axis as the filter-embedded connector member 110 and configured to selectively conceal the needle of the syringe inside the body or expose the outside of the syringe through the manipulation of the operating member 320. Do.

The operating member 320 includes a housing 321, a push guide 322, a housing / guide fitting 323, a push button 324, and an elastic member 325, and manipulates the push button 324. The needle concealment member 310 is moved forward or backward by a manual force applied by the operator to release the compressive force (that is, the restoring force of the elastic member that is constrained and preserved in the compressed state) by the operator by the operator. To be driven forward and backward in the direction of the needle of the syringe. In addition, the operation member 320 is coupled to the filter-embedded connector member 110 (or the cylinder neck portion of the syringe when the safety device 300 is configured only) through the pushbutton coupling ring 110a, and thus the needle concealment member 310. And a push button 324 for controlling the forward operation of the bush 311 of the needle concealment member 310 and an elastic member 325 embedded therein by the operator. The needle concealment member 310 is moved forward or backward according to a push button operation or a manual force applied toward the rear end.

Such an operation member 320 is preferably assembled or separated in parallel to the cylinder of the syringe so as to be forcibly pressed into the filter-integrated connector member 110 to allow a single hand operation.

The housing 321 is formed of a cylindrical body having a diameter of a size such that the filter-embedded connector member 110 (or the cylinder neck portion of the syringe when the safety device 300 is configured only) can be assembled therein by force-injection. .

The push guide 322 is formed spaced apart from the outer peripheral surface of the housing 321 to support the housing 321 from the outside, it is formed in a hollow body in parallel with the housing 321 and the needle concealment member 310 of the The rod guide 315 is inserted and supported inside. At this time, the push guide 322 is formed so that the limiting jaw (322c) is formed along the inner peripheral surface of the front end portion of the body to catch the projection (315c) of the rod guide 315 to prevent separation.

The housing / guide joint 323 integrally connects the front end of the housing 321 and the push guide 322.

The push button 324 is formed of a cylindrical cap having a diameter of a size at which the rear end of the push guide 322 can be assembled by force indentation to fix the elastic member 325 and the push guide 322 therein. Here, the push button 324 is formed with a boss 324a for fixing the elastic member 325 in the inner central portion of the cylindrical cap as illustrated in a partially enlarged view of FIG. 6 and the push guide 322 on the inner circumferential surface of the cylindrical cap. One or more hooks (324b) are formed to secure the.

The elastic member 325 is formed to a length corresponding to the push guide 322, one end is inserted and fixed inside the push button 324, the other end is by the rod 312 of the needle concealment member 310 Tight and compressed. The elastic member 325 is composed of a spring having an elastic force, etc., the spring is restrained in the compressed state by the rod 312 of the needle concealment member 310 to preserve the compression force of the spring to be stretched in the compressed state When the compression force is released by the push button 324, the bush 311 and the rod 312 of the needle concealment member 310 is moved forward and compressed by the manual force applied by the operator to the bush ( 311) and rod 312 are driven backward.

Meanwhile, the filter-embedded connector member 110 will be described with reference to FIGS. 7A to 7C and 8, and FIGS. 7A to 7C illustrate the cutaway and the chemical liquid inhalation / drainage of the filter-embedded connector member of FIG. 5A. 8 is a cross-sectional perspective view illustrating the internal filtering structure, and FIG. 8 is a cross-sectional perspective view illustrating the filter insertion portion of the connector member cut horizontally and vertically, respectively, to explain a filter paper insertion state in the filter embedded connector member of FIG. 5A. .

The filter-embedded connector member 110 is formed of a cylindrical body 111, and both ends of the front and rear of the body are opened so that the holder coupling portion which can be assembled or detached from the needle holder 3 and the neck portion of the cylinder, respectively ( 111a) and the cylinder coupling portion 111b, and the discharge port 112 and the suction port 113 for discharging and suctioning the chemical liquid inside the holder coupling portion 111a are separated by the separating wall 114, It is formed so as to penetrate in the direction, the filter member 120 for filtering foreign substances and the packing member 130 for selective suction and discharge blocking of the chemical liquid is inserted and attached to the outlet 112 and the suction port 113, respectively.

The filter member 120 is composed of one or more filter papers having a pore size limiting the passage of foreign substances contained in the chemical liquid, and the outlet 112 or the suction port 113 or the outlet 112 of the filter-embedded connector member 110. And inserted into the holder engaging portion (111a) of the connector member 110 is assembled so as to block both. In this case, the filter paper is, for example, a filter paper verified by the KFDA having a poresize within 5.0 μm and a height of 0.2 mm, and may be used without limitation as long as the suction and discharge of the injection solution are smooth.

The filter member 120 is inserted and attached to cover the entire cross-section of the outlet 112 inside the holder coupling portion 111a to filter foreign matter contained in the chemical liquid discharged through the outlet 112. It is composed of a filter member, or inserted and attached to cover the entire cross-section of the outlet 112 and the suction port 113 inside the holder coupling portion (111a) to first filter the foreign matter of the chemical liquid sucked through the suction port 113 and discharge It may be composed of a filter element of the double filtration method to filter the foreign matter of the chemical liquid discharged through the second 112.

As illustrated in FIG. 7A, the single filtration filter member is configured in a donut shape having a central portion corresponding to a cross-sectional shape of the outlet 112 inside the holder engaging portion 111a of the filter-embedded connector member 110. It is preferable that the first filter paper 121 has a void of uniform size. In the filter member having the above configuration, foreign substances of the chemical liquid sucked through the suction port 113 are sucked into the cylinder without being filtered, and the foreign substances of the chemical liquid discharged through the discharge port 112 are primarily taken from the first filter paper 121. It is filtered and discharged.

As illustrated in FIGS. 7A to 7C, the packing member 130 is fitted into the suction port 113 inside the holder coupling portion 111a at the front of the filter-embedded connector member 110, and thus the holder coupling portion 111a is formed. The suction port 113 of the filter-embedded connector member 110 is temporarily sealed or opened by the discharge pressure of the chemical liquid formed inside.

To this end, the packing member 130 has a cylindrical body 131 for fitting into the inlet 113 at the end of the holder coupling portion 111a and a flange portion 132 for limiting the fitting coupling thereof. And a suction hole 133 for inhaling the chemical liquid in the center of the cylindrical body portion 131 is formed to penetrate in the axial direction, and the filter-embedded connector member 110 at the other end of the cylindrical body portion 131. The suction port 113 and the cylindrical body portion 131 of the filter-embedded connector member 110 are selectively formed by the discharge pressure of the chemical liquid formed inside the holder coupling portion 111a in a state of being fitted into the suction port 113 of An elastic inclined portion 134 is formed to prevent communication between the suction holes 133.

Cylindrical body portion 131 is formed in a shape corresponding to the suction port 113 to be press-fitted into the inside of the suction port 113 from the end of the holder coupling portion (111a) side of the built-in connector member 110 filter. , The size of the suction port 113 is smaller than the inner diameter is formed.

The flange portion 132 may restrict the cylindrical body portion 131 from being fitted to the inlet 113 of the holder coupling portion 111a at one end thereof (for example, the rear end portion of the cylindrical body portion 131). It is formed integrally extending horizontally in the circumferential direction of the cylindrical body at the rear end of the cylindrical body portion 131. In particular, the flange portion 132 is formed in such a width that the edge portion can cover the outlet 112 of the holder engaging portion 111a as a whole, in the normal state, the edge portion of the flange portion 132 holder coupling portion 111a Covering the outlet 112 of the whole, when the chemical liquid is introduced into the outlet 112 through the filter member 120 by the discharge pressure of the chemical liquid formed inside the holder engaging portion (111a), the chemical liquid is discharged ( It is formed of a material having a thickness and elasticity enough to open the outlet 112 while the edge end is flipped by the chemical liquid discharge pressure of the outlet 112 so that it can be easily discharged through the needle holder 3 side through 112. desirable.

The suction hole 133 is formed at the center of the cylindrical body portion 131 for suction of the chemical liquid, and is formed to penetrate in the axial direction.

The elastic inclined portion 134 is formed at the other end of the cylindrical body portion 131 on which the flange portion 132 is formed, and the holder coupling portion in a state of being fitted into the suction port 113 of the filter-embedded connector member 110. Sufficient to be closed (refer FIG. 7c) by the discharge pressure of the chemical liquid formed inside (111a), and to open it by the suction pressure of the chemical liquid which flows in into the suction hole 133 from the outside (refer FIG. 7b). It is composed of a material of thickness and elasticity, and selectively controls the communication between the suction port 113 of the filter-embedded connector member 110 and the suction hole 133 inside the cylindrical body portion 131.

The filter-embedded connector member 110 integrally forms a pushbutton coupling ring 110a for coupling the filter-embedded connector member 110 and the operation member 320 to a rear end thereof as illustrated in FIG. 6. At this time, the push button coupling ring 110a is formed to a diameter of a size that allows the push button 324 of the operation member 320 to be inserted from the bottom to the top.

Referring to the overall assembly operation of the filter-integrated safety syringe according to the present invention configured as described above and the operation and effect by it as follows.

First, separately forming and discharging the inlet and the inlet for the discharge and intake of the chemical solution, and each of the at least one filter member 120 and the packing member 130 is inserted into the outlet and the inlet to form a filter-embedded connector member 110 On the rear end of the filter-embedded connector member 110, a pushbutton coupling ring 110a for coupling the filter-embedded connector member 110 and the operation member 320 is integrally formed. At this time, the push button coupling ring 110a is formed to have a diameter of a size to which the push button 324 of the operation member 320 can be inserted from the bottom to the top.

Next, the bush 311 integrally formed with the rod 312, which is a component of the needle concealment member 310, is inserted from the top of the bush guide 314 to the bottom, and the bush / rod joint 313 is a bush guide ( The bush 311 is supported and guided therein by the bush guide 314 so as to be guided and guided through the rod insertion groove 314a of the 314 so as to move forward or backward or the bush 311 is a bush guide. The rod 312 can be superimposed inside the 314 so as to overlap the rod guide 315 formed in a shape corresponding to the rod 312 and the bush / rod joint 313. By inserting the rod 312 is supported and guided therein by the rod guide 315 so that it can be moved forward or backward in the direction of the needle of the syringe, or the rod 312 overlaps the inside of the rod guide 315 and To be modified, illustrated in FIG. 5B As to complete the assembly of the needle cover member (310). Here, as illustrated in FIG. 6, a locking protrusion 312a is formed at an outer circumferential surface of the lower end of the rod 312, and a protrusion assembly groove 315b formed by cutting a part of the body is formed at the lower end of the rod guide 315. Therefore, the assembly operation of the rod 312 and the rod guide 315 is completed by the operation of inserting the engaging projection 312a of the rod 312 into the projection assembly groove 315b of the rod guide 315, and the rod ( The separation operation of the rod guide 312 and the rod guide 315 may be initiated by the operation in which the engaging protrusion 312a of the rod 312 is separated from the protrusion assembly groove 315b of the rod guide 315. Enable forward or backward in the longitudinal direction of the syringe.

Subsequently, the elastic member 325 is inserted into the inner central portion of the push button 324 of the operation member 320 to fix the elastic member 325 by the boss 324a inside the push button 324, and again the elastic member 325. The push guide 322 integrally formed with the housing 321 is inserted into the push button 324 to the lower end of the push button 324 with the 325 positioned at the inner center of the push button 324. The assembly of the operating member 320 is completed as illustrated in FIG. 5C.

As such, when the partial assembly of the filter-embedded connector member 110, the needle concealment member 310, and the operation member 320 is completed, the pushbutton coupling ring 110a integrally formed on one side of the filter-embedded connector member 110 is provided. The upper part of the push button 324 of the operation member 320 to the upper portion to engage the filter-integrated connector member 110 and the operation member 320, and the push guide 322 of the operation member 320 The rod guide 315 of the needle concealment member 310 may be brought into contact with the rod 312 of the needle concealment member 310 by interviewing the upper end surface of the elastic member 325 with the elastic member 325 interposed therebetween. When inserted into the push guide 322 of the operation member 320, as shown in Figure 5a, the filter-integrated connector member 110, the needle concealment member 310 and the operation member 320 is assembled integrally The safety device 300 can be completed. At this time, the elastic member 325 is constrained in the compressed state by the rod 312, so that the compressive force is preserved, that is, may exist as a mechanism in which the elastic energy is preserved, and then the compressive force is released by the push button 324. In this case, the bush 311 and the rod 312 of the needle concealment member 310 have energy to move forward. In this assembly process, when the rod guide 315 of the needle concealment member 310 is pushed into the lower end of the push button 324 of the operation member 320, the coupling between the rod guide 315 and the push button 324 is completed. . At this time, the push guide 322 of the operation member 320 has a limiting jaw 322c is formed on the inner peripheral surface of the upper end of the body, and the rod guide 315 of the needle concealment member 310 has a restricting protrusion ( Since the 315c is formed, the rod guide when the operator later operates the push button 324 to advance the rod guide 315 from the push guide 322 in the direction of the needle of the syringe as illustrated in FIG. 4B. 315 is first stretched in the direction of the syringe needle in the push guide 322 and again the rod 312 can be secondly stretched in the direction of the syringe needle in the rod guide 315. At this time, since the rod guide 315 and the push guide 322 are coupled to each other by an operation in which the limiting protrusion 315c is applied to the limiting jaw 322c during the first extension, the rod guide 315 is pushed at the tip of the push guide 322. The extension to the rear end of the 315 is limited and can be prevented from being separated, and the rod 312 and the rod guide 315 are engaged by the locking protrusion 312a by the operation of the locking jaw 315a during the second extension. Since both are coupled, the extension of the rod guide 312 to the rear end of the rod 312 is limited and the separation can be prevented.

The assembled safety device 300 is assembled to both ends of the needle holder 3 and the cylinder neck of the syringe using the front and rear ends of the filter-embedded connector member 110, as illustrated in FIGS. 4A to 4B. As shown, the bush 311 of the needle concealment member 310 is positioned on the same axis as the needle of the syringe, and the push button 324 of the operation member 320 is positioned on one side of the cylinder of the syringe for simple operation with one hand. It is possible to implement a filter-integrated safety syringe,

In this configuration, when the operator later pushes the push button 324 of the operation member 320 and the compression force of the elastic member 325 that is compressed and constrained is released, the needle concealment member ( The rod guide 315 of 310 is advanced in the direction of the needle of the syringe inside the push guide 322 so that the overall length of the safety device 300 can be first elongated. At this time, since the rod guide 315 and the push guide 322 are coupled to each other by an operation in which the limiting protrusion 315c is applied to the limiting jaw 322c during the first extension, the rod guide 315 is pushed at the tip of the push guide 322. Elongation to the rear end of 315) is limited and departure can be prevented.

In addition, the rod 312 of the needle concealment member 310 is advanced in the direction of the syringe needle in the rod guide 315 so that the overall length of the safety device 300 can be secondly extended, As the bush 311 and the bush guide 314 integrally formed at the distal end are separated from each other in an overlapping state, the entire needle of the syringe is concealed into the bush 311 and the bush guide 314 of the needle concealment member 310, thereby injecting the syringe. Do not expose the needle to the outside. At this time, since the rod 312 and the rod guide 315 are coupled to each other by an operation in which the locking protrusion 312a is caught by the locking jaw 315a, the rod 312 at the distal end of the rod guide 315 may be used. Elongation to the rear end of the body is restricted and departure can be prevented.

As described above, the safety syringe or the filter-integrated safety syringe according to the present invention is supported and fixed to the operation member 320 while the needle hiding member 310 preserves the compressive force of the elastic member 325, and the elastic member 325 Since the compression force of) can be released by operating the push button 324, when the needle is not in use, the operator operates the push button 324 to release the compression force of the elastic member 325 so that the bush of the needle concealment member 310 can be released. The 311 and the rod 312 are automatically moved forward by the restoring force of the elastic member to conceal the needle into the bush 311, and when the needle is used, the operator applies a manual force to the bush 311 and Backward actuation of the rod 312 makes it possible to expose the needle of the syringe.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above-described embodiments, which can be variously modified and modified by those skilled in the art to which the present invention pertains. Modifications are possible. Therefore, the spirit of the present invention should be grasped only by the claims set out below, and all equivalent or equivalent modifications thereof will belong to the scope of the present invention.

The present invention is a safety syringe that can protect the health and safety of the patient and the operator from all blood-borne diseases associated with the syringe by reducing the risk of needle puncture by selectively concealing the syringe needle, It is an indispensable syringe in the industry and its availability is very high.

In addition, the present invention relates to a filter-integrated safety syringe, which has a double filtration function for each of suction and discharge of the injection liquid, and also to selectively conceal the syringe needle, thereby ensuring the safety of the patient and the operator. As a syringe that can be used, it is an invention that must be used in industry to protect the health and safety of patients and operators from blood-borne diseases.

Claims

It is provided with a needle cover member 310 that can be assembled or detachably integrated to cover or hide the needle of the syringe from the outside,

Safety device having an operating member 320 that can control the operation of the needle concealment member 310 to advance or reverse the needle concealment member 310 in accordance with the operation of the operating member 320 by the operator ( 300); safety syringe, characterized in that comprising a.
According to claim 1, The safety device 300,

A needle concealing member 310 having a bush 311 that can cover or conceal or expose the needle of the syringe from the outside and selectively conceal or expose the needle of the syringe; And

The needle concealment member 310 is provided by a push button 324 and an elastic member 325 embedded therein to control the forward and backward movements of the bush of the needle concealment member 310. Safety member comprising a; operating member 320 for advancing or retracting.
The method of claim 2, wherein the needle hiding member 310,

One end of the operating member 320 is supported and assembled to the operating member 320 so as to extend in the direction of the needle of the syringe, and the bush 311 has its central axis positioned on the same axis as the needle of the syringe. Safety syringe, characterized in that configured to selectively conceal the needle of the syringe through the operation of the operating member 320 to the inside of the body or to expose it to the outside.
The method of claim 2 or 3, wherein the needle hiding member 310,

A bush 311 forming an inner space through which the needle of the syringe can be wrapped around the outside or exposed;

An elastic member integrally formed with the bush 311 so as to support the bush 311 at one side, and formed to have a length corresponding to a forward and backward movement distance of the bush 311 and embedded in the operation member 320. A rod 312 which tightly compresses and compresses from the front end to the rear end;

A bush / rod joint 313 which integrally connects the tip portion of the bush 311 and the rod 312;

A bush guide (314) for supporting the bush (311) and guiding forward and backward operations thereof, including a cylindrical body having a diameter capable of inserting the bush (311) therein; And

The rod 312 and the bush / rod fitting portion 313 have a diameter and a shape capable of inserting therein to support the rod 312 and the bush / rod fitting portion 312 and move the rod 312 forward and Safety guide, comprising a; rod guide 315 for guiding the reverse operation.
The method of claim 4, wherein the rod 312,

The elastic member embedded in the operation member 320 is formed to a diameter corresponding to the elastic member so as to be in close contact and compression from the front end to the rear end, and is coupled to the front end of the rod guide 315 on the outer peripheral surface of the rear end of the body. Safety syringe, characterized in that the engaging projection (312a) for.
The method of claim 4, wherein the bushing guide 314,

A rod insertion groove 314a is formed at the front end of the body to allow the rod 312 to be fitted and assembled, and a joint insertion groove 314b is formed at the rear end of the body to form the housing / guide joint 313. Safety syringe, characterized in that configured to be assembled to fit).
The method of claim 4, wherein the rod guide 315,

A locking jaw 315a is formed along the inner circumferential surface of the body so that the locking projection 312a of the rod 312 can be caught to prevent separation.

The rear end of the body is provided with a projection assembly groove (315b) is formed by cutting a portion of the body, it is configured to be assembled to the engaging projection (312a) of the rod 312 when the bush 311,

Restriction protrusion (315c) is formed along the inner circumferential surface at the rear end of the body is a safety syringe, characterized in that configured to be prevented from being caught by the limiting jaw (322c) of the push guide 322 when the bush (311) advances.
The method of claim 4, wherein the operation member 320,

A housing 321 formed with a diameter of a size in which the cylinder neck portion of the syringe can be assembled therein by force injection;

The housing 321 is formed to be spaced apart from the outer circumferential surface of the housing 321 so as to support the outside of the housing 321 is formed in a hollow body in parallel with the housing 321 and the rod guide 315 of the needle concealment member 310 A push guide 322 inserted into and supported therein;

A housing / guide joint 323 for integrally connecting the front end of the housing 321 and the push guide 322;

A push button 324 having a rear end portion of the push guide 322 formed into a cylindrical cap having a diameter of a size that can be assembled by force-injection, and fixing the elastic member 325 and the push guide 322 therein; And

It is formed to a length corresponding to the push guide 322, one end is inserted into the push button 324 is fixed and the other end is in close contact and compression by the rod 312 of the needle concealment member 310 Safety member, characterized in that it comprises a; elastic member (325).
The method of claim 8, wherein the push guide 322,

Restriction jaw (322c) is formed along the inner peripheral surface of the front end of the body is a safety syringe, characterized in that configured to prevent the protrusion of the rod guide 315 is caught off.
The method of claim 9, wherein the push button 324,

The boss 324a for securing the elastic member 325 is formed in the inner central portion of the cylindrical cap, and at least one hook 324b for securing the push guide 322 on the inner circumferential surface of the cylindrical cap is formed. syringe.
It is assembled between the needle holder (3) of the syringe and the cylinder neck portion, and separates the discharge port 112 and the suction port 113 for discharge and suction of the chemical liquid, respectively, and the filter member in the discharge port 112 and the suction port 113 A filter-integrated connector member 110 into which the 120 and the packing member 130 are respectively inserted and integrally formed with a pushbutton coupling ring 110a for coupling with the operation member 320 at the rear end of the body;

A needle concealment member 310 which can cover or conceal or expose the needle of the syringe from the outside is integrally provided in the filter-embedded connector member 110 so as to be assembled or detachably, and controls the operation of the needle concealment member 310. And a safety device 300 having an actuating member 320 capable of advancing or retracting the needle concealment member 310 according to an operation of the actuating member 320 by an operator. Filter-integrated safety syringe.
The method of claim 11, wherein the safety device 300,

A needle concealing member (310) having a bush (311) capable of concealing or exposing the needle of the syringe from the outside, and selectively concealing or exposing the needle of the syringe; And

The needle concealment member 310 is provided by a push button 324 and an elastic member 325 embedded therein to control the forward and backward movements of the bush of the needle concealment member 310. Filter integrated safety syringe, characterized in that it comprises a; operating member 320 for advancing or retracting.
The method of claim 11, wherein the filter embedded connector member 110,

It consists of a cylindrical body 111, both the front and rear ends of the body is open, the holder coupling portion (111a) and the cylinder coupling portion (111b) which can be assembled or separated respectively to the needle holder (3) and the neck portion of the cylinder ),

The discharge port 112 and the suction port 113 for discharging and suctioning the chemical liquid inside the holder coupling portion 111a are separated by the separating wall 114 to be formed to penetrate in the axial direction.

The filter unit safety, characterized in that the filter member 120 for filtering foreign matter and the packing member 130 for the selective suction and discharge of the chemical liquid is inserted and attached to the outlet 112 and the suction port 113, respectively. syringe.
The method of claim 11, wherein the filter member 120,

Inserted and attached to cover the entire cross-section of the outlet 112 inside the holder coupling portion (111a) is characterized by consisting of a single filtration type filter member for filtering foreign matter contained in the chemical liquid discharged through the outlet 112 Filter-integrated safety syringe.
The method of claim 14, wherein the single filtration filter member,

The filter-integrated safety device, comprising a donut shape having a central portion opening corresponding to the cross-sectional shape of the outlet 112 of the filter-embedded connector member 110, and comprising a first filter paper 121 having an air gap having a uniform size. syringe.
The method of claim 11, wherein the filter member 120,

Inserted and attached so as to cover the entire end surface of the outlet 112 and the suction port 113 inside the holder coupling portion (111a) to first filter the foreign matter of the liquid sucked through the suction port 113 and discharge through the discharge port 112 The filter-integrated safety syringe, characterized in that consisting of a double filtration filter member for filtering the foreign matter of the chemical solution to be secondary.
The method of claim 16, wherein the double filtration filter member,

It is inserted and attached to cover all the end faces of the outlet 112 and the suction port 113 inside the holder engaging portion (111a), characterized in that consisting of one first filter paper 121 having a uniform size of air gap Filter-integrated safety syringe.
The method of claim 16, wherein the double filtration filter member,

A first filter paper 121 having a donut shape having a central portion corresponding to the cross-sectional shape of the outlet 112 of the filter-embedded connector member 110 and having a uniform size of air gap; And

A second filter paper 122 having a circular shape corresponding to a cross-sectional shape of the suction port 113 of the filter-embedded connector member 110 and having a different sized gap from the first filter paper 121; Filter-integrated safety syringe.
The method of claim 18, wherein the filter embedded connector member 110,

The suction port 113 for suction of the chemical liquid is formed to axially penetrate the central portion of the cylindrical body 111, and the discharge port 112 for discharge of the chemical liquid is formed to axially penetrate around the suction port 113. ,

The first filter paper 121 is formed in a donut shape having a central portion opened to correspond to the cross-sectional shape of the outlet 112, and is inserted and assembled inside the holder coupling part 111a to block the outlet 112. ,

The second filter paper 122 is formed in a circular shape corresponding to the cross-sectional shape of the suction port 113, the filter integrated type, characterized in that inserted into the holder coupling portion (111a) inside the assembly so as to block the suction port 113. Safety syringe.
The method of claim 11, wherein the packing member 130,

A cylindrical body portion 131 for fitting into the inlet 113 at an end of the holder engaging portion 111a;

A filter integrated safety syringe, characterized in that the flange portion 132 for restricting the fitting engagement of the cylindrical body portion 131 is formed integrally.
The method of claim 20, wherein the packing member 130,

In the central portion of the cylindrical body portion 131, the suction hole 133 for suction of the chemical liquid is formed to penetrate in the axial direction,

The other end of the cylindrical body portion 131 is selectively fitted to the suction port 113 and the cylindrical body portion by the discharge pressure of the chemical liquid formed inside the holder coupling portion 111a in a state of being fitted to the suction port 113 ( 131) filter integrating safety syringe, characterized in that the elastic inclined portion 134 is formed to prevent communication between the suction hole (133) inside.
The method of claim 12, wherein the needle hiding member 310,

One end of the operating member 320 is supported and assembled to the operating member 320 to extend in the direction of the needle of the syringe, and the bush 311 is connected to the needle 4 of the syringe or the connector member 110 having a built-in filter. And a central axis thereof positioned on the same axis, and configured to selectively conceal the needle of the syringe into the body or expose the outside of the syringe through manipulation of the operating member (320).
The method of claim 12 or 22, wherein the needle hiding member 310,

A bush 311 forming an inner space through which the needle of the syringe can be wrapped around the outside or exposed;

An elastic member integrally formed with the bush 311 so as to support the bush 311 at one side, and formed to have a length corresponding to a forward and backward movement distance of the bush 311 and embedded in the operation member 320. A rod 312 which tightly compresses and compresses from the front end to the rear end;

A bush / rod joint 313 which integrally connects the tip portion of the bush 311 and the rod 312;

A bush guide (314) for supporting the bush (311) and guiding forward and backward operations thereof, including a cylindrical body having a diameter capable of inserting the bush (311) therein; And

The rod 312 and the bush / rod fitting portion 313 have a diameter and a shape capable of inserting therein to support the rod 312 and the bush / rod fitting portion 312 and move the rod 312 forward and A filter integrated safety syringe comprising: a rod guide (315) for guiding the reverse operation.
The method of claim 23, wherein the rod 312,

The elastic member embedded in the operation member 320 is formed to a diameter corresponding to the elastic member so as to be in close contact and compression from the front end to the rear end, and is coupled to the front end of the rod guide 315 on the outer peripheral surface of the rear end of the body. Filter integrated safety syringe, characterized in that the engaging projection (312a) for.
The method of claim 23, wherein the bushing guide 314,

A rod insertion groove 314a is formed at the front end of the body so that the rod 312 can be fitted and assembled, and a joint insertion groove 314b is formed at the rear end of the body to form the housing / guide joint 313. Filter integrated safety syringe, characterized in that configured to be assembled to be fitted.
The method of claim 23, wherein the rod guide 315,

A locking jaw 315a is formed along the inner circumferential surface of the body so that the locking projection 312a of the rod 312 can be caught to prevent separation.

The rear end of the body is provided with a projection assembly groove (315b) is formed by cutting a portion of the body, it is configured to be assembled to the engaging projection (312a) of the rod 312 when the bush 311,

Restriction protrusion 315c is formed along the inner circumferential surface of the rear end of the body, the filter integrated safety, characterized in that configured to prevent the separation of the limiting jaw (322c) of the push guide 322 when the bush 311 advances syringe.
The method of claim 12 or 22, wherein the operation member 320,

A housing 321 formed with a diameter of a size such that the cylinder neck portion of the syringe or the filter-embedded connector member 100 can be assembled therein by a forced press-fit method;

The housing 321 is formed to be spaced apart from the outer circumferential surface of the housing 321 so as to support the outside of the housing 321 is formed in a hollow body in parallel with the housing 321 and the rod guide 315 of the needle concealment member 310 A push guide 322 inserted into and supported therein;

A housing / guide joint 323 for integrally connecting the front end of the housing 321 and the push guide 322;

The rear end of the push guide 322 is formed of a cylindrical cap having a diameter of a size that can be assembled by force-injection, assembled to the pushbutton coupling ring 110a of the filter-embedded connector member 110 and the inside of the cylindrical cap. Push button 324 for fixing the elastic member 325 and the push guide 322 to the; And

It is formed to a length corresponding to the push guide 322, one end is inserted into the push button 324 is fixed and the other end is in close contact and compression by the rod 312 of the needle concealment member 310 An elastic member 325; filter integrated safety syringe, characterized in that it comprises a.
The method of claim 27, wherein the push guide 322,

Restriction jaw (322c) is formed along the inner peripheral surface of the front end of the body, the filter integrated safety syringe, characterized in that configured to prevent the projection of the rod guide 315 is separated.
The method of claim 27, wherein the push button 324,

A filter, characterized in that the boss 324a for fixing the elastic member 325 is formed in the inner central portion of the cylindrical cap and one or more hooks 324b for fixing the push guide 322 on the inner circumferential surface of the cylindrical cap. Integral safety syringe.