CN103007429A - Medical particle implantation device - Google Patents
Medical particle implantation device Download PDFInfo
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- CN103007429A CN103007429A CN2013100054030A CN201310005403A CN103007429A CN 103007429 A CN103007429 A CN 103007429A CN 2013100054030 A CN2013100054030 A CN 2013100054030A CN 201310005403 A CN201310005403 A CN 201310005403A CN 103007429 A CN103007429 A CN 103007429A
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Abstract
The invention discloses a medical particle implantation device. The medical particle implantation device comprises a front handle component, a rear handle component and a push component which are connected with one another in sequence, as well as an elastic nut used for allowing the rear handle component to be connected and fixed with the push component, wherein the front handle component comprises an outer tube and a front handle which are connected with each other; the rear handle component comprises an inner tube and a rear handle which are connected with each other, wherein the inner tube is embedded in the outer tube, and the rear handle is partially embedded in the front handle; the push component comprises an inner core, a boosting tube and a tail handle which are connected in sequence; the inner core penetrates the inner tube, the boosting tube and the rear handle in sequence; the inner tube comprises a needle head, an elastic connecting tube and an inner tube body which are connected in sequence; the caliber of the elastic connecting tube is smaller than that of the needle head and the inner tube body, so as to place the particles; and an elastic claw type structure is arranged at the tail end of the rear handle, and an external thread matched with the elastic nut is arranged outside the claw type structure.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly medical particle implanting device under a kind of scope.
Background technology
Use radioactive particle or particle chemical therapy to carry out interventional therapy by endoscope, directly with radioactive particle or radiotherapy particle intratumor injection, have good effect for the treatment of local tumor.
Existing particle implanting device need to pass through endoscope channel, has determined that this device length is longer, and length is at 1-3 rice.Conventional particle implanting device all adopts syringe needle, inner tube, handle three to link to each other, particle is packed into from handle end, after the syringe needle puncture enters the tumor body, use push rod to push in the particle back, particle is sent into the tumor body, if need to inject second particle, need to extract push rod out Handleset, the particle of packing in the push rod front pushes again, because of the stroke of push rod longer, affect the speed of operation quality and operation, increased the misery of sufferer.
Summary of the invention
Goal of the invention: technical problem to be solved by this invention is for the deficiency that can't implant continuously particle in the prior art, and a kind of medical particle implanting device is provided.
In order to solve the problems of the technologies described above, the invention discloses a kind of medical particle implanting device, comprise the front hand grip assembly, back handle assembly, the propelling movement assembly that connect successively, and for the tightening nut that back handle assembly and propelling movement assembly are connected and fixed.Described front hand grip assembly comprises interconnective outer tube and front hand grip; Described back handle assembly comprises interconnective inner tube and back handle, and described inner tube embeds in the outer tube, being partially submerged in the front hand grip of back handle; Described propelling movement assembly comprises inner core, boost tube and the afterbody hands handle that connects successively; Described inner core passes inner tube successively, and described boost tube passes described back handle; Described inner tube comprises syringe needle, elastic connecting pipe and the interior tube body that connects successively; Described elastic connecting pipe caliber is used for resident described particle less than the caliber of syringe needle and interior tube body.But described back handle tail end is made as the claw type structure of degree of tightness, and the claw type structural outer is provided with the external screw thread that cooperates with described tightening nut.
Among the present invention, comprise rule, rule one end is fixedly connected with front hand grip, and the other end and afterbody handle are flexibly connected.
Among the present invention, described afterbody handle is provided with the locating piece with locating hole, and described rule passes described locating hole.
Among the present invention, connect by releasable buckle between described front hand grip and the back handle.
Among the present invention, described front hand grip is provided with the one-level dop, and described back handle is provided with two-stage with upper chuck.
The present invention can be in interior tube body disposable 5 ~ 10 particles of packing into, particle can be discharged one by one through elastic connecting pipe; Specially designed handle can guarantee to withdraw from the process of tumor body at metal needle, and particle is fixed motionless; Whether can observe intuitively particle by the design of handle is discharged fully.
By in the middle of syringe needle and interior tube body, adding one section elastic connecting pipe, the elastic connecting pipe internal diameter less than particle diameter also less than the caliber of syringe needle and interior tube body, the interior tube body of a plurality of particles can being packed in advance together like this.Because of the obstruct of elastic connecting pipe, particle need to push the propelling movement of assembly could be passed through, and so just can discharge by afterbody handle control the quantity of particle, and the pushrod movement stroke is long and operation time that cause lengthens before solving, and reduces patient's misery.Simultaneously only need the disposable particle of putting into of doctor, reduced the danger that the doctor is polluted by radioactive particle.
The particle implanting device is being withdrawn from from the tumor body in the process of syringe needle, motion when push rod can withstand the particle difference, the particle that reduction is implanted is taken out of the tumor body in syringe needle withdraws from an organization process risk.
Beneficial effect: a kind of medical particle implanting device of the present invention, structure is ingenious, can be in advance with 5 ~ 10 particle disposable packing into, by push rod these particles were pushed the flexible material section one by one, reduce the number of times of placing particle, shorten operating time, so both can alleviate patient's misery, also reduced the doctor and placed contaminated risk in the particle process; Custom-designed handle can be controlled in the process that syringe needle withdraws from the tumor body by the operation of this handle, and particle can not move, and guarantees that particle can not taken out of the tumor body in withdrawing from the process of inner tube; Whether handle is marked with graduation mark, can observe intuitively particle and be discharged fully.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is done further to specify, above-mentioned and/or otherwise advantage of the present invention will become apparent.
Fig. 1 is the outside population structure sketch map of the present invention.
Fig. 2 is internal structure sketch map of the present invention.
Fig. 3 is front hand grip modular construction sketch map of the present invention.
Fig. 4 is back handle modular construction sketch map of the present invention.
Fig. 5 is propelling movement modular construction sketch map of the present invention.
Fig. 6 is inner tube front-end architecture sketch map of the present invention.
The present invention's sketch map behind the particle of packing into during Fig. 7.
The specific embodiment
The invention discloses a kind of medical particle implanting device, comprise the front hand grip assembly, back handle assembly, the propelling movement assembly that connect successively, and for the tightening nut that back handle assembly and propelling movement assembly are connected and fixed; Described front hand grip assembly comprises interconnective outer tube and front hand grip; Described back handle assembly comprises interconnective inner tube and back handle, and described inner tube embeds in the outer tube, being partially submerged in the front hand grip of back handle; Described propelling movement assembly comprises inner core, boost tube and the afterbody hands handle that connects successively; Described inner core passes inner tube successively, and described boost tube passes described back handle; Described inner tube comprises syringe needle, elastic connecting pipe and the interior tube body that connects successively; Described elastic connecting pipe caliber is used for resident described particle less than the caliber of syringe needle and interior tube body; But described back handle tail end is made as the claw type structure of degree of tightness, and the claw type structural outer is provided with the external screw thread that cooperates with described tightening nut.Medical particle implanting device comprises rule, and rule one end is fixedly connected with front hand grip, and the other end and afterbody handle are flexibly connected.Described afterbody handle is provided with the locating piece with locating hole, and described rule passes described locating hole.Connect by releasable buckle between described front hand grip and the back handle.Described front hand grip is provided with the one-level dop, and described back handle is provided with two-stage with upper chuck.
Embodiment
As depicted in figs. 1 and 2, present embodiment discloses a kind of medical particle implanting device, comprises four assemblies, front hand grip assembly 1, back handle assembly 2, propelling movement assembly 3 and nut 4.As shown in Figure 3, front hand grip assembly 1 is comprised of outer tube 5, front hand grip 6 and rule 7.As shown in Figure 4, the back handle assembly is connected connection by inner tube 8 with back handle; As shown in Figure 5, pushing assembly 3 is comprised of inner core 10, boost tube 11 and afterbody handle 12.But back handle 9 tail ends are made as the claw type structure of degree of tightness, the claw type structural outer is provided with the screw thread that cooperates with described tightening nut 4 and closes up 51, can by nut 4 screw with push-rod assembly 3 on boost tube 11 fixing, thereby guarantee that back handle assembly 2 and push-rod assembly 3 can be synchronized with the movement.Locating piece 52 with locating hole 52a is arranged on the afterbody handle, and rule 7 passes described locating hole 52a.Can make afterbody handle 12 fixing with the rule 7 on the front hand grip assembly 1 by locating piece 52, can guarantee that 2 motions of back handle assembly can not drive and then motion of push-rod assembly 3.As shown in Figure 6, inner tube 8 is comprised of metal needle 13, elastic connecting pipe 14 and the harder inner tube 15 of front end, and flexible material 14 internal diameters are less, and particle can't freely pass through, and need to could pass through under the propelling movement that pushes assembly 3.Dop 53 is arranged on the front hand grip 6, three grades of dops 54 are also arranged on the back handle 9, connect by the buckle on two handles and can pin two handles, making it can not relative motion.In the time of need to unclamping, pin the tail end of front hand grip 6, can extract back handle out.Flexible material 14 internal diameter specific activity particle diameters are little, and particle can't freely pass through, and need to just can strut flexible material under the propelling movement that pushes assembly 3, so that particle passes through.
As shown in Figure 7, in the present embodiment, outer tube 5 is embedded in inner tube 8, is filled with 4 particles 16 in the elastic connecting pipe 14 of inner tube 8 and the harder inner tube 15, and the separator 17 harmless to tissue is set between each particle.The particle of least significant end promotes front end by inner core 10.
After metal needle 13 punctures enter the tumor body, promoting inner core 10 by afterbody handle 12 pushes up particle in the metal needle 13, then operate back handle 9 and withdraw inner tube 8, so that metal needle 13 withdraws from from tissue, inner core 10 keeps motionless always withstanding on the particle 16 in this process, prevent particle along with the movement of inner tube 8 is taken out of the tumor body, previous like this particle has been stayed the position at metal needle 13 places, and is sealed by the separator 17 at rear portion.A rear particle 16 has been stayed in the elastic connecting pipe 14 in the process of inner tube 8 recession naturally, prepares to implant next time.Certainly, in this process, skilled doctor can operate according to the experience to separator 17 length, and unskilled can passing through accurately controlled displacements according to rule 7.
The using method of particle implanting device of the present invention is:
Original state: metal needle contracts in outer tube, the packing material in the push rod cup end in contact inner tube, and pusher grip is in " 0 " position on the rule.
A. lock nut is so that push-rod assembly and back handle are fixed.
B. aim at pathological tissues, push back handle, metal needle will stretch out outer tube, and be punctured in the tumor body, and back handle and afterbody handle are synchronized with the movement in this process.
C. loosen nut is so that push-rod assembly and back handle are separately.
D. promote push-rod assembly, make the afterbody handle be advanced to scale " 1 " and locate, particle will be pushed out the flexible material section, afterbody handle motion in this process of head of arrival metal needle, and back handle is motionless.
E. lock the locked position of humping section, so that push-rod assembly and front hand grip are fixed.
F. withdraw dop of back handle, so that metal needle withdraws from from tissue, in this process, push-rod assembly is locked on the front hand grip, and along with syringe needle is released from tissue, push rod withstands particle always, so that particle can't move.Back handle motion in this process, the afterbody handle is motionless.
G. unclamp the locked position on the afterbody handle, so that push-rod assembly and front hand grip are separately.
H. lock nut is so that push-rod assembly and back handle are fixed.
I. withdraw back handle and put in place, so that syringe needle is retracted in the outer tube, get back to original state, finished the injection of primary particle.Back handle and afterbody handle are synchronized with the movement in this process.
J. repeat above step, can push out 2-5 particle.
The invention provides a kind of medical particle implanting device; method and the approach of this technical scheme of specific implementation are a lot; the above only is preferred implementation of the present invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each ingredient all available prior art realized.
Claims (5)
1. medical particle implanting device, it is characterized in that, comprise successively the front hand grip assembly (1), the back handle assembly (2) that connect, push assembly (3), and be used for tightening nut (4) that back handle assembly (2) and propelling movement assembly (3) are connected and fixed;
Described front hand grip assembly (1) comprises interconnective outer tube (5) and front hand grip (6);
Described back handle assembly (2) comprises interconnective inner tube (8) and back handle (9), and described inner tube (8) embeds in the outer tube (5), being partially submerged in the front hand grip (6) of back handle (9);
Described propelling movement assembly (3) comprises inner core (10), boost tube (11) and the afterbody handle (12) that connects successively; Described inner core (10) passes inner tube (8) successively, and described boost tube (11) passes described back handle (9);
Described inner tube (8) comprises syringe needle (13), elastic connecting pipe (14) and the interior tube body (15) that connects successively;
Described elastic connecting pipe (14) caliber is used for resident described particle less than the caliber of syringe needle (13) and interior tube body (15);
Described back handle (9) but tail end is made as the claw type structure of degree of tightness, the claw type structural outer is provided with the external screw thread that cooperates with described tightening nut (4).
2. a kind of medical particle implanting device according to claim 1 is characterized in that, comprises rule (7), and rule (7) one ends are fixedly connected with front hand grip (6), and the other end and afterbody handle (12) are flexibly connected.
3. a kind of medical particle implanting device according to claim 2 is characterized in that, described afterbody handle (12) is provided with the locating piece (52) with locating hole, and described rule (7) passes described locating hole.
4. a kind of medical particle implanting device according to claim 1 and 2 is characterized in that, connects by releasable buckle between described front hand grip (6) and the back handle (9).
5. a kind of medical particle implanting device according to claim 4 is characterized in that described front hand grip (6) is provided with one-level dop (53), and described back handle is provided with two-stage with upper chuck (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005403.0A CN103007429B (en) | 2013-01-08 | 2013-01-08 | Medical particle implantation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005403.0A CN103007429B (en) | 2013-01-08 | 2013-01-08 | Medical particle implantation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103007429A true CN103007429A (en) | 2013-04-03 |
| CN103007429B CN103007429B (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310005403.0A Expired - Fee Related CN103007429B (en) | 2013-01-08 | 2013-01-08 | Medical particle implantation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114533295A (en) * | 2022-01-26 | 2022-05-27 | 湖南朗开医疗科技有限公司 | Lung auxiliary diagnosis device based on electromagnetic navigation |
| CN115845280A (en) * | 2023-02-20 | 2023-03-28 | 深圳市飞梵实业有限公司 | Particle installing pen for esophageal particle support |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070167664A1 (en) * | 2005-10-31 | 2007-07-19 | Hermann George D | Brachytherapy apparatus and methods of using same |
| US20120065454A1 (en) * | 2010-08-20 | 2012-03-15 | Andrew Karim Kader | Tethered and/or visually coded brachytherapy devices and related methods |
| CN202538075U (en) * | 2012-01-18 | 2012-11-21 | 南京微创医学科技有限公司 | Disposable long-distance injection needle under endoscope |
| CN202982916U (en) * | 2013-01-08 | 2013-06-12 | 吴伟 | Medical seed implantation device |
-
2013
- 2013-01-08 CN CN201310005403.0A patent/CN103007429B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070167664A1 (en) * | 2005-10-31 | 2007-07-19 | Hermann George D | Brachytherapy apparatus and methods of using same |
| US20120065454A1 (en) * | 2010-08-20 | 2012-03-15 | Andrew Karim Kader | Tethered and/or visually coded brachytherapy devices and related methods |
| CN202538075U (en) * | 2012-01-18 | 2012-11-21 | 南京微创医学科技有限公司 | Disposable long-distance injection needle under endoscope |
| CN202982916U (en) * | 2013-01-08 | 2013-06-12 | 吴伟 | Medical seed implantation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114533295A (en) * | 2022-01-26 | 2022-05-27 | 湖南朗开医疗科技有限公司 | Lung auxiliary diagnosis device based on electromagnetic navigation |
| CN115845280A (en) * | 2023-02-20 | 2023-03-28 | 深圳市飞梵实业有限公司 | Particle installing pen for esophageal particle support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103007429B (en) | 2014-02-26 |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210061 hi tech Industrial Development Zone, Pukou District, Jiangsu, hi tech Road, No. three, No. 10, No. Patentee after: Wu Wei Patentee after: Yang Lifan Patentee after: MICRO-TECH (NANJING) CO., LTD. Address before: 210061 hi tech Industrial Development Zone, Pukou District, Jiangsu, hi tech Road, No. three, No. 10, No. Patentee before: Wu Wei Patentee before: Yang Lifan Patentee before: Nanjing Micro-Tech Co., Ltd. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170222 Address after: Riverside West Road Lucheng District of Wenzhou City, Zhejiang province 325000 East Building 1 Room 401 Patentee after: Wu Wei Patentee after: Yang Lifan Address before: 210061 hi tech Industrial Development Zone, Pukou District, Jiangsu, hi tech Road, No. three, No. 10, No. Patentee before: Wu Wei Patentee before: Yang Lifan Patentee before: MICRO-TECH (NANJING) CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20180108 |