CN105078516B - A kind of skin prick test device - Google Patents
A kind of skin prick test device Download PDFInfo
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- CN105078516B CN105078516B CN201510442800.3A CN201510442800A CN105078516B CN 105078516 B CN105078516 B CN 105078516B CN 201510442800 A CN201510442800 A CN 201510442800A CN 105078516 B CN105078516 B CN 105078516B
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- needle
- sampler barrel
- dividing plate
- driving
- sampler
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Abstract
The invention discloses a kind of skin prick test device, include framework, longitudinal installation cavity is provided with described framework, straight skidding is oriented to and is provided with multiple samplers for being mutually in step linkage in described installation cavity, described sampler includes sampler barrel, sliding is arranged at the piston in sampler barrel, and the piston rod of driving piston movement, syringe needle connecting portion is provided with below sampler barrel, sample liquid import and export are provided with syringe needle connecting portion, piercing needle is fixedly installed on the syringe needle connecting portion, top straight skidding in described installation cavity relative to sampler is provided with the driving dividing plate linked with piston rod, driving dividing plate is moved down by the first Spring driving sampler barrel linkage dividing plate and so that the lower end of puncture needle protrudes from the under shed face of framework.It is an advantage of the invention that reasonable in design, pricking method effect are good, and feed liquor, dropping liquid, pricking method are disposably completed.
Description
Technical field
Apparatus is detected the present invention relates to a kind of medical science, skin prick test device is specifically referred to.
Background technology
Skin prick test be medical field recognized by most convenient, economy, safely, effectively, be also at present it is clinically most normal
Allergen diagnosis method.Skin prick test is the forearm palmar skin position progress in patient, its concrete operations flow
It is：First, after conventional transdermal is sterilized, by allergic effect stock reagent（Kind about more than 20）, negative controls（Physiological saline）And the positive
Comparison liquid（Histamine）Each from top to bottom to drip on the skin after cleaning, the distance between two drops are 3-5cm；Secondly, exist
Under patient skin tight state, pricking needles are passed through into drop, skin is vertically pierced into；Finally, 10-20 minutes viewing tests after pricking method
As a result, determine patient to allergen response intensity by comparing the wheal size of allergen and positive control.
At present, the equipment used in skin prick test is mainly pricking needles, the Histamine positive carried out by the pricking needles
There is following defect：
（1）In dropping liquid link, it is necessary to repeatedly aspirate the different low drops of stoste on skin, and dropping liquid dosage is difficult to control to,
Often aspirate excessively, cause stoste to waste, and the dropper head of pricking needles contacts different stostes, easily causes composition pollution, if drop
Skin is touched during liquid, then can also have cross-infection between different patients；
（2）Pricking method link, multiple tracks pricking method is gradually carried out so that the feared state of mind occurs in patient's especially child patient, in addition,
Preferable pricking method state is that pricking needles enter epidermis in the vertical inserting needle in dropping liquid center（Have no blood）, only pricking method is experienced
Medical worker can be only achieved the operating effect.
(3) pricking method operation is gradually carried out, and time-consuming for overall process, and efficiency is low.
The content of the invention
The invention aims to overcome the shortcoming and defect that prior art is present, and a kind of structure design is provided and closed
Reason, pricking method effect are good, and feed liquor, dropping liquid, pricking method are disposably completed, and greatly improve a kind of skin points of skin prick test efficiency
Pierce experimental rig.
To achieve the above object, the technical scheme is that including framework, it is provided with described framework longitudinal
Straight skidding is oriented to and is provided with multiple samplers for being mutually in step linkage, described sampler in installation cavity, described installation cavity
Include sampler barrel, slide the piston being arranged in sampler barrel and the piston rod for driving piston movement, set below sampler barrel
It is equipped with syringe needle connecting portion, syringe needle connecting portion to be provided with sample liquid import and export, the syringe needle connecting portion and is fixedly installed piercing needle,
The liquid being provided with the piercing needle in needle holder and the puncture needle being fixed in needle holder, sampler from sample liquid import and export to
Puncture needle direction liquid conductance is provided with and piston to connection, the described interior top straight skidding relative to sampler of installation cavity
It is fixedly installed on the driving dividing plate of bar linkage, the sampler barrel of described multiple samplers and installation cavity straight skidding is oriented to and coordinated
Sampler barrel linkage dividing plate, be provided with multiple first springs between the driving dividing plate and sampler barrel linkage dividing plate, the driving every
Plate is moved down by the first Spring driving sampler barrel linkage dividing plate and so that the lower end of puncture needle protrudes from the under shed face of framework.
The course of work of this setting：
（1）Feed liquor, driving dividing plate is moved up, and sample liquid is drawn into sampler barrel from allergy stoste box；
（2）Dropping liquid, framework is posted by the inside of patient forearm, and driving dividing plate is moved down, so that drive piston rod to move down, and then
Sample liquid in piston driving sampler barrel is imported and exported from sample liquid to be flowed out, and sample liquid is imported and exported out and down led along puncture needle from sample liquid
Stream, and the drop of sample liquid is formed at the needle point of puncture needle, and drip on the skin on the inside of patient forearm；
（3）Puncture, continue control driving dividing plate move down, driving dividing plate by the first spring effect in sampler barrel link every
Plate, and sampler barrel is integrally moved down, and then drive the puncture needle for being fixed on sampler barrel lower end to move down, it is pierced into skin.
Due to this setting, each sampler and puncture needle Coupled motion, therefore, overall feed liquor, dropping liquid and bed thorn operation
By once, operating efficiency is very high, and under the support of framework, puncture angle is controlled, and improves puncture effect, and drop
Low puncture procedure difficulty.
Further set is relative to being fixedly installed sampler barrel below sampler barrel linkage dividing plate in described installation cavity
It is provided with kicker baffle, the sampler barrel kicker baffle and is oriented to the guiding being adapted to the sampler barrel straight skidding of multiple samplers
Hole.
By this setting, the stability that vertically moves of the sampler barrel inside framework can be greatly enhanced.
It is to be provided with second spring between described sampler barrel linkage dividing plate and sampler barrel kicker baffle further to set, should
The stiffness factor of second spring is less than the first spring.By this setting so that when driving dividing plate moves down operation so that second spring
Deformation length change it is more linked the distance that dividing plate moves down so that the distance that moves down of driving dividing plate is less than sampler barrel, by
This, that realizes piston rod moves down that stroke is short, realizes a small amount of dropping liquids, and the shift motion of sampler barrel linkage dividing plate is long, after realization
The puncture action of continuous puncture needle.The structure setting, dexterously realizes the control of dropping liquid amount and punctures the perfection of stroke very much
Control.
It is that the needle holder of described piercing needle is conical ring shape further to set, and the lower end of needle holder is provided centrally with suction
Hole, the upper end removable seal of needle holder is sheathed on the syringe needle connecting portion of sampler barrel, the lower end of described needle holder relative to
Oblique center is fixedly installed multiple centrosymmetric puncture needle fixing muscles on the periphery of suction hole, and described puncture needle is fixed on
The puncture needle fixing muscle, and the upper end of the puncture needle is placed at suction hole.By this setting, sample liquid is passed in and out from the sample liquid of sampler barrel
Mouthful exit into needle holder, and continue to flow out from the lower section of suction hole, and the drop flowed out can along puncture needle outer wall
Toward flowing down, drop is formed.In addition, in feed liquor, sample liquid is sucked from the suction hole, and is continued through sample liquid and imported and exported to be drawn into and take
Sample cylinder is internal.In addition, when being originally arranged on puncture, the lower end of puncture needle fixing muscle play prevent puncture needle needle point go successively to skin
Skin, therefore, the distance between puncture needle needle point to puncture needle fixing muscle be actually puncture be needled into skin it is maximum away from
From thus, it is possible to ensure the security of puncture.
It is that puncture needle is located under the range state moved down at it further to set, the under shed face of its needle point to framework
Protrusion height it is consistent with the epidermal thickness of human body skin puncture test.This is set, and can improve the security of puncture.
Further setting is that the raising up in week for syringe needle connecting portion of described sampler barrel is provided with ring packing flange collar, institute
The annular seal grooves matched somebody with somebody with ring packing flange collar sealing and locator card are provided with the inwall for the needle holder stated.By originally setting
Put, the removable seal realized between sampler barrel and needle holder coordinates.
It is also to include Qi Zhen mechanisms further to set, and described Qi Zhen mechanisms, which include, to be movably set in outside sampler barrel simultaneously
Positioned at the top of needle holder it is multiple abandon needle cycle, by it is multiple abandon needle cycle synchronize be connected abandon needle cycle linkage support, with
And for driving that abandons that needle cycle linkage support vertically moves to abandon needle cycle drive rod, the described lower end for abandoning needle cycle and needle holder it is upper
In downward direction pushing tow coordinates at end.By this setting, after the completion of operation is punctured, driving is abandoned needle cycle drive rod and moved down, and then causes
The downward pushing tow needle holder of needle cycle is abandoned, so that all needle holders can be synchronously removed, needle holder is drastically increased and unloads
The efficiency of load.
The outer end that further setting is to drive dividing plate is fixedly installed driving handle, and described driving handle includes longitudinal direction
It is provided with drive shaft tube and the handle portion being fixed on drive shaft tube.
It is that centre bore is vertically arranged with described drive shaft tube further to set, the described upper end for abandoning needle cycle drive rod
Activity is placed in the centre bore through driving dividing plate, abandons and the bullet that sliding is arranged in centre bore is fixedly installed on needle cycle drive rod
Spring upper supporting plate, the 3rd spring is provided between the spring upper supporting plate and driving dividing plate.By this setting, needle cycle drive rod make use of
The operating handle moved down.
Further set is that the upper end for abandoning needle cycle drive rod is fixedly installed and abandons pin button.By this setting, improve
Abandon the feel of needle cycle drive rod operation.
The present invention is described further with reference to specification drawings and specific embodiments.
Brief description of the drawings
Fig. 1 specific embodiment of the invention structural representations；
Fig. 2 specific embodiment of the invention structure top views；
Fig. 3 is Fig. 2 A-A sectional views；
Fig. 4 specific embodiment of the invention structure upward views；
Fig. 5 is Fig. 4 B-B sectional views；
Fig. 6 is Fig. 4 C-C sectional views；
The embodiment structure decomposition figure of Fig. 7 present invention.
The puncture needle head cartridge structure chart used joined together by Fig. 8 specific embodiment of the invention；
The allergy stoste box structure chart used joined together by Fig. 9 specific embodiment of the invention.
Embodiment
The present invention is specifically described below by embodiment, is served only for that the present invention is further described, no
It is understood that for limiting the scope of the present invention, the technician in the field can be according to the content of foregoing invention to the present invention
Make some nonessential modifications and adaptations.
Embodiment of the invention as shown in figs. 1-7, includes in framework 1, described framework 1 and is provided with longitudinal direction
Installation cavity 11, straight skidding is oriented to and is provided with multiple samplers 2 for being mutually in step linkage in described installation cavity 11, described
Sampler 2 includes sampler barrel 21, slides the piston 22 being arranged in sampler barrel and the piston rod 23 for driving piston movement,
The lower section of sampler barrel 21, which is provided with syringe needle connecting portion 211, syringe needle connecting portion 211, is provided with sample liquid import and export 212, and the syringe needle connects
Piercing needle 3 is fixedly installed in socket part 211, needle holder 31 is provided with the piercing needle 3 and wearing in needle holder is fixed on
Liquid in pricker 32, sampler 2 is from sample liquid import and export 212 to the direction liquid conductance of puncture needle 32 to connection, described installation cavity
Top straight skidding in 11 relative to sampler 2 is provided with the driving dividing plate 4 linked with piston rod, described multiple samplers
Be fixedly installed on 2 sampler barrel 21 with the straight skidding of installation cavity 11 be oriented to coordinate sampler barrel link dividing plate 24, the driving every
Multiple first springs 5 are provided between plate 4 and sampler barrel linkage dividing plate 24, the driving dividing plate 4 is taken by the driving of the first spring 5
Sample cylinder linkage dividing plate 24 is moved down and so that the lower end of puncture needle 32 protrudes from the under shed face 12 of framework 11, described in the present embodiment
Lower section in installation cavity 11 relative to sampler barrel linkage dividing plate 24 is fixedly installed sampler barrel kicker baffle 13, and the sampler barrel is oriented to
It is provided with dividing plate 13 and is oriented to the pilot hole 131 being adapted to the straight skidding of sampler barrel 21 of multiple samplers.
In addition, the sampler barrel described in the present embodiment links is provided with the second bullet between dividing plate 24 and sampler barrel kicker baffle 13
Spring 6, the stiffness factor of the second spring 6 is less than the first spring 5.
The needle holder 31 of piercing needle 3 described in the present embodiment is conical ring shape, and the lower end of needle holder 31 is provided centrally with taking out
Sucker 311, the upper end removable seal of needle holder 31 is sheathed on the syringe needle connecting portion 211 of sampler barrel, described needle holder 31
Lower end be fixedly installed multiple centrosymmetric puncture needle fixing muscles 312, institute relative to oblique center on the periphery of suction hole
The puncture needle 32 stated is fixed on the puncture needle fixing muscle 312, and the upper end of the puncture needle 32 is placed at suction hole 311.
In addition, this implementation punctures safety to ensure, puncture needle 32 is located under the range state moved down at it, its pin
Protrusion height of the point to the under shed face 12 of framework is consistent with the epidermal thickness of human body skin puncture test.In actual setting
When, range and puncture needle 32 are moved down the distance between to puncture needle fixing muscle 312 by set sampler barrel 21, you can
The security that effective guarantee is punctured.
Raising up in week for the syringe needle connecting portion 211 of sampler barrel 21 described in the present embodiment is provided with ring packing flange collar
213, it is provided with the inwall of described needle holder 31 recessed with the ring packing that ring packing flange collar 213 is sealed and locator card is matched somebody with somebody
Groove.
In addition, the present embodiment also includes Qi Zhen mechanisms, described Qi Zhen mechanisms, which include, to be movably set in outside sampler barrel
And positioned at needle holder 31 top it is multiple abandon needle cycle 7, by it is multiple abandon needle cycle synchronize be connected abandon needle cycle linkage branch
Frame 71, and for driving that abandons that needle cycle linkage support vertically moves to abandon needle cycle drive rod 72, the described lower end for abandoning needle cycle 7 with
In downward direction pushing tow coordinates for the upper end of needle holder 31, and the outer end of driving dividing plate 4 is fixedly installed driving handle, described driving hand
Handle, which includes, is vertically arranged with drive shaft tube 411 and the handle portion being fixed on drive shaft tube 412, described drive shaft tube
Centre bore 4111 is vertically arranged with 411, the described upper end for abandoning needle cycle drive rod 72 activity is placed in this through driving dividing plate 4
In centre bore 4111, abandon and the spring upper supporting plate 73 that sliding is arranged in centre bore is fixedly installed on needle cycle drive rod 72, the spring
The 3rd spring 74 is provided between upper supporting plate 73 and driving dividing plate 4, the upper end for abandoning needle cycle drive rod 72, which is fixedly installed, to be abandoned
Pin button 75.
As Figure 8-9, the present invention is in actual use, also supporting setting puncture needle head cartridge 8 and allergy stoste box 9, with
Realize quickly upper piercing needle or quick imbibition sampling.In addition, the present embodiment is in actual use, can be to the He of puncture needle head cartridge 8
Each groove is furnished with independent upper lid on allergy stoste box 9, to keep its health, and prevents from placing pollution.
In addition, the syringe needle and needle holder described in the present embodiment are made of the material of not mucus, in case sample liquid is thereon
Residual.
Claims (10)
1. a kind of skin prick test device, it is characterised in that：Include in framework, described framework and be provided with longitudinal installation
Straight skidding is oriented to and is provided with multiple samplers for being mutually in step linkage in chamber, described installation cavity, and described sampler includes
There are sampler barrel, sliding to be arranged at the piston in sampler barrel and drive to be provided with below the piston rod of piston movement, sampler barrel
It is provided with syringe needle connecting portion, syringe needle connecting portion on sample liquid import and export, the syringe needle connecting portion and is fixedly installed piercing needle, this is worn
The liquid being provided with pricker head in needle holder and the puncture needle being fixed in needle holder, sampler is imported and exported to puncture from sample liquid
Pin direction liquid conductance is to connection, and the described interior top straight skidding relative to sampler of installation cavity is provided with and piston rod joins
It is fixedly installed on dynamic driving dividing plate, the sampler barrel of described multiple samplers and installation cavity straight skidding is oriented to taking of coordinating
Sample cylinder linkage dividing plate, is provided with multiple first springs, the driving dividing plate leads between the driving dividing plate and sampler barrel linkage dividing plate
The first Spring driving sampler barrel linkage dividing plate is crossed to move down and so that the lower end of puncture needle protrudes from the under shed face of framework.
2. a kind of skin prick test device according to claim 1, it is characterised in that：In described installation cavity relative to
Sampler barrel kicker baffle is fixedly installed below sampler barrel linkage dividing plate, is provided with and is taken with multiple on the sampler barrel kicker baffle
The sampler barrel straight skidding of sample device is oriented to the pilot hole of adaptation.
3. a kind of skin prick test device according to claim 2, it is characterised in that：Described sampler barrel linkage dividing plate
Second spring is provided between sampler barrel kicker baffle, the stiffness factor of the second spring is less than the first spring.
4. a kind of skin prick test device according to claim 1, it is characterised in that：The syringe needle of described piercing needle
Seat is conical ring shape, and the lower end of needle holder is provided centrally with suction hole, and the upper end removable seal of needle holder is sheathed on sampler barrel
On syringe needle connecting portion, the lower end of described needle holder is fixedly installed multiple centers relative to oblique center on the periphery of suction hole
Symmetrical puncture needle fixing muscle, described puncture needle is fixed on the puncture needle fixing muscle, and the upper end of the puncture needle is placed in suction
At hole.
5. a kind of skin prick test device according to claim 4, it is characterised in that：Puncture needle is located at what is moved down at it
Under range state, the protrusion height in the under shed face of its needle point to framework and the epidermal thickness phase of human body skin puncture test
Unanimously.
6. a kind of skin prick test device according to claim 4, it is characterised in that：The syringe needle of described sampler barrel connects
Raise up in the week of socket part and be provided with ring packing flange collar, be provided with and the ring packing flange collar on the inwall of described needle holder
The annular seal grooves that sealing and locator card are matched somebody with somebody.
7. a kind of skin prick test device according to claim 1, it is characterised in that：Also include Qi Zhen mechanisms, institute
The Qi Zhen mechanisms stated, which include, to be movably set in outside sampler barrel and abandons needle cycle positioned at the multiple of top of needle holder, abandons pin by multiple
Circle synchronize be connected abandon needle cycle linkage support, and for driving that abandons that needle cycle linkage support vertically moves to abandon needle cycle
In downward direction pushing tow coordinates for drive rod, the described lower end for abandoning needle cycle and the upper end of needle holder.
8. a kind of skin prick test device according to claim 7, it is characterised in that：The outer end of driving dividing plate, which is fixed, to be set
Driving handle is equipped with, described driving handle includes the handle for being vertically arranged with drive shaft tube and being fixed on drive shaft tube
Portion.
9. a kind of skin prick test device according to claim 8, it is characterised in that：Longitudinal direction in described drive shaft tube
Centre bore is provided with, the described upper end for abandoning needle cycle drive rod activity is placed in the centre bore through driving dividing plate, abandons needle cycle
The spring upper supporting plate that sliding is arranged in centre bore is fixedly installed on drive rod, is set between the spring upper supporting plate and driving dividing plate
There is the 3rd spring.
10. a kind of skin prick test device according to claim 8, it is characterised in that：The needle cycle drive rod abandoned
Upper end, which is fixedly installed, abandons pin button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442800.3A CN105078516B (en) | 2015-07-24 | 2015-07-24 | A kind of skin prick test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442800.3A CN105078516B (en) | 2015-07-24 | 2015-07-24 | A kind of skin prick test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105078516A CN105078516A (en) | 2015-11-25 |
| CN105078516B true CN105078516B (en) | 2017-08-25 |
Family
ID=54560488
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510442800.3A Active CN105078516B (en) | 2015-07-24 | 2015-07-24 | A kind of skin prick test device |
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| Country | Link |
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| CN (1) | CN105078516B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575205B (en) * | 2019-09-04 | 2022-03-22 | 陕西中医药大学 | Skin sampling device that public health and preventive medicine used |
| CN111067772B (en) * | 2019-12-31 | 2021-09-14 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Lumbar vertebra massager integrating kneading, pushing and discharging functions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29515034U1 (en) * | 1995-09-20 | 1995-11-23 | Kerner Kay | Device for applying substances |
| US5671753A (en) * | 1995-06-27 | 1997-09-30 | Pitesky; Isadore | Disposable multiple allergen testing apparatus |
| CN2287017Y (en) * | 1996-11-04 | 1998-08-05 | 萧瑞麟 | Stab hypersensitive tester |
| DE29811266U1 (en) * | 1998-06-24 | 1999-11-04 | Kerner Kay | Device for storing and applying at least two test substances |
| DE202006009246U1 (en) * | 2006-06-09 | 2006-08-17 | Schadel, Axel, Priv.-Doz. Dr.med. | Medical injection device for injecting multiples substances into the skin of an organism, has an applicator with at least two needles each connected to a respective substance holder containing a different substance to be injected |
| CN204274506U (en) * | 2014-11-01 | 2015-04-22 | 刘艳 | Asthma irritated initial point examination device |
-
2015
- 2015-07-24 CN CN201510442800.3A patent/CN105078516B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5671753A (en) * | 1995-06-27 | 1997-09-30 | Pitesky; Isadore | Disposable multiple allergen testing apparatus |
| DE29515034U1 (en) * | 1995-09-20 | 1995-11-23 | Kerner Kay | Device for applying substances |
| CN2287017Y (en) * | 1996-11-04 | 1998-08-05 | 萧瑞麟 | Stab hypersensitive tester |
| DE29811266U1 (en) * | 1998-06-24 | 1999-11-04 | Kerner Kay | Device for storing and applying at least two test substances |
| DE202006009246U1 (en) * | 2006-06-09 | 2006-08-17 | Schadel, Axel, Priv.-Doz. Dr.med. | Medical injection device for injecting multiples substances into the skin of an organism, has an applicator with at least two needles each connected to a respective substance holder containing a different substance to be injected |
| CN204274506U (en) * | 2014-11-01 | 2015-04-22 | 刘艳 | Asthma irritated initial point examination device |
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| Publication number | Publication date |
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| CN105078516A (en) | 2015-11-25 |
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