CN105078516A - Skin prick test device - Google Patents
Skin prick test device Download PDFInfo
- Publication number
- CN105078516A CN105078516A CN201510442800.3A CN201510442800A CN105078516A CN 105078516 A CN105078516 A CN 105078516A CN 201510442800 A CN201510442800 A CN 201510442800A CN 105078516 A CN105078516 A CN 105078516A
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- needle
- sampler barrel
- dividing plate
- test device
- sampler
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Abstract
The invention discloses a skin prick test device, which includes: a frame body, a vertical installation cavity positioned in the frame body, a plurality of mutual synchronizing linkage samplers longitudinally sildingly and guidingly positioned in the installation cavity and including sampling tubes, pistons slidingly positioned in the sampling tubes, and piston rods driving the movement of the pistons; syringe needle connection parts are positioned below the sampling tubes, sample liquid inlet and outlet mouths are positioned on the syringe needle connection parts, and puncture needles are fixedly positioned on the syringe needle connection parts; a driving division plate being linkage with the piston rods is positioned on an upper side of the installation cavity relative to the samplers, and the driving division plate drives a sampling tube linkage plate to move down and allows lower ends of the puncture needles to protrude out of a lower opening face of the frame. The skin prick test device has the advantages of a reasonable structure design, good prick effect, and the liquid inlet, liquid outlet and prick can be completed at one time.
Description
Technical field
The present invention relates to a kind of medical science and detect apparatus, specifically refer to skin prick test device.
Background technology
Skin prick test is the confessed most convenient of medical circle, economy, safety, effectively, be also at present the most frequently used clinically allergen diagnosis method.Skin prick test carries out at the forearm palmar skin position of patient, its concrete operations flow process is: first, after conventional transdermal sterilization, by on allergen test solution (about kind more than 20), negative controls (normal saline) and positive control solution (histamine) from top to bottom each one skin after cleaning, the distance between two drops is 3-5cm; Secondly, under the tight state of patient skin, by pricking needles through drop, vertically skin is thrust; Finally, by the welt size comparing allergen and positive control, 10-20 minute viewing test result after pricking method, determines that patient is to allergen response strength.
At present, skin prick test equipment used is mainly pricking needles, and the Histamine positive relying on this pricking needles to carry out exists following defect:
(1) in dropping liquid link, need repeatedly to aspirate the low drop of different stock solution on skin, and dropping liquid dosage is difficult to control, often suction too much, cause stock solution to waste, and the dropper head of pricking needles contact different stock solution, easily causes composition to pollute, if touch skin during dropping liquid, then also can there is cross infection between different patient;
(2) pricking method link, multiple tracks pricking method is successively carried out, make patient especially child patient there is the feared state of mind, in addition, desirable pricking method state is that pricking needles enters into epidermal area (having no blood) at dropping liquid central vertical inserting needle, only has the veteran medical worker of pricking method just can reach this operating effect.
(3) pricking method operation is successively carried out, and overall process length consuming time, efficiency is low.
Summary of the invention
The object of the invention is the shortcoming and defect existed to overcome prior art, and provide a kind of reasonable in design, pricking method effective, and feed liquor, dropping liquid, pricking method is disposable completes, and greatly improves a kind of skin prick test device of skin prick test efficiency.
For achieving the above object, technical scheme of the present invention includes framework, longitudinal installation cavity is provided with in described framework, in described installation cavity, straight skidding guiding is provided with the sampler of multiple mutual synchronous interaction, described sampler includes sampler barrel, slippage is arranged at the piston in sampler barrel, and the piston rod of driven plunger motion, the below of sampler barrel is provided with syringe needle connecting portion, syringe needle connecting portion is provided with sample liquid to import and export, this syringe needle connecting portion is fixedly installed piercing needle, this piercing needle is provided with needle holder and is fixed on the puncture needle in needle holder, liquid in sampler is imported and exported from sample liquid and is connected to puncture needle direction liquid stream guiding, in described installation cavity, the top straight skidding of sampler is provided with the driving dividing plate linked with piston rod, the sampler barrel that the sampler barrel of described multiple samplers being fixedly installed to lead with installation cavity straight skidding coordinates links dividing plate, this driving dividing plate and sampler barrel link between dividing plate and are provided with multiple first spring, described driving dividing plate is moved down by the first Spring driving sampler barrel interlock dividing plate and is made the lower end of puncture needle protrude from the under shed face of framework.
The work process of this setting:
(1) feed liquor, drives on dividing plate and moves, be drawn in sampler barrel from irritated stock solution box by sample liquid;
(2) dropping liquid, framework is posted by inside patient forearm, driving dividing plate moves down, thus piston rod moves down, and then the sample liquid in piston actuated sampler barrel imports and exports outflow from sample liquid, sample liquid is imported and exported out and along puncture needle down water conservancy diversion from sample liquid, and forms the drop of sample liquid at the needle point place of puncture needle, and drips on the skin inside patient forearm;
(3) puncture, continue to control to drive dividing plate to move down, drive dividing plate to be linked dividing plate in sampler barrel by the first spring action, and sampler barrel entirety is moved down, and then drive the puncture needle being fixed on sampler barrel lower end to move down, thrust skin.
Due to this setting, each sampler and puncture needle Coupled motion, therefore, the operation of overall feed liquor, dropping liquid and bed thorn is accomplished without any letup, and operating efficiency is very high, and under the support of framework, puncture angle is controlled well, improves puncture effect, and reduces puncture procedure difficulty.
Further setting is fixedly installed sampler barrel kicker baffle relative to the below of sampler barrel interlock dividing plate in described installation cavity, this sampler barrel kicker baffle is provided with the pilot hole of the adaptation that lead with the sampler barrel straight skidding of multiple sampler.
By this setting, the stability that vertically moves of sampler barrel in framework inside greatly can be improved.
Further setting is provided with the second spring between described sampler barrel interlock dividing plate and sampler barrel kicker baffle, and the stiffness factor of this second spring is less than the first spring.By this setting, when making to drive dividing plate to move down operation, make the deformation length variations of the second spring more, thus the distance making driving dividing plate move down is less than the distance that sampler barrel interlock dividing plate moves down, thus, realize piston rod to move down stroke short, realize dropping liquid in a small amount, and the shift motion of sampler barrel interlock dividing plate is long, realize the puncture action of follow-up puncture needle.This vibrational power flow, the perfection of the control and puncture stroke that achieve dropping liquid amount very dexterously controls.
Further setting is the needle holder of described piercing needle is conical ring shape, the lower center of needle holder is provided with suction socket, 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 is fixedly installed multiple centrosymmetric puncture needle relative to center oblique on the periphery of suction socket and fixes muscle, described puncture needle is fixed on this puncture needle fixes muscle, and the upper end of this puncture needle is placed in suction socket place.By this setting, sample liquid is imported and exported outflow from the sample liquid of sampler barrel and is entered in needle holder, and continues to flow out from the below of suction socket, and the drop flowed out along the outer wall of puncture needle toward dirty, can form drop.In addition, when feed liquor, sample liquid sucks from this suction socket, and continue through sample liquid import and export be drawn into sampler barrel inside.In addition, when being originally arranged on puncture, the lower end that muscle fixed by puncture needle play stop puncture needle needle point continue enter skin, therefore, in fact this puncture needle needle point to puncture needle distance of fixing between muscle is the ultimate range that puncture needle thrusts skin, thus, can ensure the safety of puncture.
Further setting be puncture needle under it is positioned at the range state moved down, its needle point is consistent with the epidermal thickness of human body skin puncture test to the protrusion height in the under shed face of framework.This is arranged, and can improve the safety of puncture.
Further setting is that raising up in week of the syringe needle connecting portion of described sampler barrel is provided with ring packing flange collar, the inwall of described needle holder is provided with and seals with this ring packing flange collar and the locator card annular seal grooves of joining.By this setting, the removable seal achieved between sampler barrel with needle holder coordinates.
Further setting also includes Qi Zhen mechanism, described Qi Zhen mechanism include be movably set in sampler barrel outer and be positioned at the top of needle holder multiple abandon needle cycle, by multiple abandon that needle cycle carries out synchronous interaction connection abandon needle cycle linkage support, and for drive abandon that needle cycle linkage support vertically moves abandon needle cycle drive rod, the upper end of the described lower end abandoning needle cycle and needle holder in downward direction pushing tow coordinates.By this setting, after puncture operation completes, driving is abandoned needle cycle drive rod and is moved down, and then makes to abandon the downward pushing tow needle holder of needle cycle, thus all needle holder can be synchronously removed, and drastically increases the efficiency of needle holder unloading.
Further setting drives the outer end of dividing plate to be fixedly installed driving handle, and described driving handle includes the handle portion being vertically arranged with drive shaft tube and being fixed on drive shaft tube.
Further setting is vertically arranged with centre bore in described drive shaft tube, the described movable upper end abandoning needle cycle drive rod is through driving dividing plate and being placed in this centre bore, abandon and needle cycle drive rod is fixedly installed slippage and is arranged at spring upper supporting plate in centre bore, this spring upper supporting plate and drive between dividing plate and be provided with the 3rd spring.By this setting, make use of the operating handle that needle cycle drive rod moves down.
Further setting be described in abandon needle cycle drive rod upper end be fixedly installed and abandon pin button.By this setting, improve the feel of abandoning the operation of needle cycle drive rod.
Below in conjunction with specification drawings and specific embodiments, the present invention is described further.
Accompanying drawing explanation
Fig. 1 specific embodiment of the invention structural representation;
Fig. 2 specific embodiment of the invention structure top view;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 specific embodiment of the invention structure upward view;
Fig. 5 is the B-B sectional view of Fig. 4;
Fig. 6 is the C-C sectional view of Fig. 4;
Fig. 7 the specific embodiment of the present invention STRUCTURE DECOMPOSITION figure.
Fig. 8 specific embodiment of the invention piercing needle box structure chart used joined together;
Fig. 9 specific embodiment of the invention irritated stock solution box structure chart used joined together.
Detailed description of the invention
Below by embodiment, the present invention is specifically described; only be used to further illustrate the present invention; can not be interpreted as limiting the scope of the present invention, the technician in this field can make some nonessential improvement and adjustment according to the content of foregoing invention to the present invention.
The specific embodiment of the present invention as shown in figs. 1-7, include framework 1, longitudinal installation cavity 11 is provided with in described framework 1, in described installation cavity 11, straight skidding guiding is provided with the sampler 2 of multiple mutual synchronous interaction, described sampler 2 includes sampler barrel 21, slippage is arranged at the piston 22 in sampler barrel, and the piston rod 23 of driven plunger motion, the below of sampler barrel 21 is provided with syringe needle connecting portion 211, syringe needle connecting portion 211 is provided with sample liquid and imports and exports 212, this syringe needle connecting portion 211 is fixedly installed piercing needle 3, the puncture needle 32 this piercing needle 3 being provided with needle holder 31 and being fixed in needle holder, liquid in sampler 2 is imported and exported 212 from sample liquid and is connected to puncture needle 32 direction liquid stream guiding, in described installation cavity 11, the top straight skidding of sampler 2 is provided with the driving dividing plate 4 linked with piston rod, the sampler barrel that the sampler barrel 21 of described multiple samplers 2 being fixedly installed to lead with installation cavity 11 straight skidding coordinates links dividing plate 24, this driving dividing plate 4 and sampler barrel link between dividing plate 24 and are provided with multiple first spring 5, described driving dividing plate 4 drives sampler barrel interlock dividing plate 24 move down and make the lower end of puncture needle 32 protrude from the under shed face 12 of framework 11 by the first spring 5, sampler barrel kicker baffle 13 is fixedly installed relative to the below of sampler barrel interlock dividing plate 24 in installation cavity 11 described in the present embodiment, this sampler barrel kicker baffle 13 is provided with the adaptive pilot hole 131 that to lead with sampler barrel 21 straight skidding of multiple sampler.
In addition, be provided with the second spring 6 between the sampler barrel interlock dividing plate 24 described in the present embodiment and sampler barrel kicker baffle 13, the stiffness factor of this second spring 6 is less than the first spring 5.
The needle holder 31 of the piercing needle 3 described in the present embodiment is conical ring shape, the lower center of needle holder 31 is provided with suction socket 311, the upper end removable seal of needle holder 31 is sheathed on the syringe needle connecting portion 211 of sampler barrel, the lower end of described needle holder 31 is fixedly installed multiple centrosymmetric puncture needle relative to center oblique on the periphery of suction socket and fixes muscle 312, described puncture needle 32 is fixed on this puncture needle fixes muscle 312, and the upper end 321 of this puncture needle 32 is placed in suction socket 311 place.
In addition, this enforcement is in order to ensure puncture safety, and puncture needle 32 is under it is positioned at the range state moved down, and its needle point is consistent with the epidermal thickness of human body skin puncture test to the protrusion height in the under shed face 12 of framework.When actual setting, fix distance between muscle 312 by move down range and puncture needle 32 to the puncture needle of setting sampler barrel 21, can the safety of effective guarantee puncture.
The raising up in week of syringe needle connecting portion 211 of the sampler barrel 21 described in the present embodiment is provided with ring packing flange collar 213, the inwall of described needle holder 31 is provided with and seals with this ring packing flange collar 213 and the locator card annular seal grooves 313 of joining.
In addition, the present embodiment also includes Qi Zhen mechanism, described Qi Zhen mechanism includes to be movably set in outside sampler barrel and to be positioned at the multiple of the top of needle holder 31 and abandons needle cycle 7, by multiple abandon that needle cycle carries out synchronous interaction connection abandon needle cycle linkage support 71, and for drive abandon that needle cycle linkage support vertically moves abandon needle cycle drive rod 72, the upper end of the described lower end abandoning needle cycle 7 and needle holder 31 in downward direction pushing tow coordinates, the outer end of dividing plate 4 is driven to be fixedly installed driving handle 41, described driving handle 41 includes the handle portion 412 being vertically arranged with drive shaft tube 411 and being fixed on drive shaft tube, centre bore 4111 is vertically arranged with in described drive shaft tube 411, the described movable upper end abandoning needle cycle drive rod 72 is through driving dividing plate 4 and being placed in this centre bore 4111, abandon and needle cycle drive rod 72 is fixedly installed slippage and is arranged at spring upper supporting plate 73 in centre bore, the 3rd spring 74 is provided with between this spring upper supporting plate 73 and driving dividing plate 4, the described upper end abandoning needle cycle drive rod 72 is fixedly installed abandons pin button 75.
As Figure 8-9, the present invention, when reality uses, also supportingly arranges piercing needle box 8 and irritated stock solution box 9, to realize going up piercing needle or quick imbibition sampling fast.In addition, the present embodiment, when reality uses, can be furnished with independently upper cover to each groove on piercing needle box 8 and irritated stock solution box 9, to keep its health, and prevents from placing pollution.
In addition, the syringe needle described in the present embodiment and needle holder all adopt the material of not mucus to make, in order to avoid sample liquid remains thereon.
Claims (10)
1. a skin prick test device, it is characterized in that: include framework, longitudinal installation cavity is provided with in described framework, in described installation cavity, straight skidding guiding is provided with the sampler of multiple mutual synchronous interaction, described sampler includes sampler barrel, slippage is arranged at the piston in sampler barrel, and the piston rod of driven plunger motion, the below of sampler barrel is provided with syringe needle connecting portion, syringe needle connecting portion is provided with sample liquid to import and export, this syringe needle connecting portion is fixedly installed piercing needle, this piercing needle is provided with needle holder and is fixed on the puncture needle in needle holder, liquid in sampler is imported and exported from sample liquid and is connected to puncture needle direction liquid stream guiding, in described installation cavity, the top straight skidding of sampler is provided with the driving dividing plate linked with piston rod, the sampler barrel that the sampler barrel of described multiple samplers being fixedly installed to lead with installation cavity straight skidding coordinates links dividing plate, this driving dividing plate and sampler barrel link between dividing plate and are provided with multiple first spring, described driving dividing plate is moved down by the first Spring driving sampler barrel interlock dividing plate and is made the lower end of puncture needle protrude from the under shed face of framework.
2. a kind of skin prick test device according to claim 1, it is characterized in that: be fixedly installed sampler barrel kicker baffle relative to the below of sampler barrel interlock dividing plate in described installation cavity, this sampler barrel kicker baffle is provided with the pilot hole of the adaptation that lead with the sampler barrel straight skidding of multiple sampler.
3. a kind of skin prick test device according to claim 2, is characterized in that: be provided with the second spring between described sampler barrel interlock dividing plate and sampler barrel kicker baffle, the stiffness factor of this second spring is less than the first spring.
4. a kind of skin prick test device according to claim 1, it is characterized in that: the needle holder of described piercing needle is conical ring shape, the lower center of needle holder is provided with suction socket, 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 is fixedly installed multiple centrosymmetric puncture needle relative to center oblique on the periphery of suction socket and fixes muscle, described puncture needle is fixed on this puncture needle fixes muscle, and the upper end of this puncture needle is placed in suction socket place.
5. a kind of skin prick test device according to claim 4, is characterized in that: puncture needle is under it is positioned at the range state moved down, and its needle point is consistent with the epidermal thickness of human body skin puncture test to the protrusion height in the under shed face of framework.
6. a kind of skin prick test device according to claim 4, it is characterized in that: the raising up in week of syringe needle connecting portion of described sampler barrel is provided with ring packing flange collar, the inwall of described needle holder is provided with and seals with this ring packing flange collar and the locator card annular seal grooves of joining.
7. a kind of skin prick test device according to claim 1, it is characterized in that: also include Qi Zhen mechanism, described Qi Zhen mechanism include be movably set in sampler barrel outer and be positioned at the top of needle holder multiple abandon needle cycle, by multiple abandon that needle cycle carries out synchronous interaction connection abandon needle cycle linkage support, and for drive abandon that needle cycle linkage support vertically moves abandon needle cycle drive rod, the upper end of the described lower end abandoning needle cycle and needle holder in downward direction pushing tow coordinates.
8. a kind of skin prick test device according to claim 7, is characterized in that: drive the outer end of dividing plate to be fixedly installed driving handle, described driving handle includes the handle portion being vertically arranged with drive shaft tube and being fixed on drive shaft tube.
9. a kind of skin prick test device according to claim 8, it is characterized in that: in described drive shaft tube, be vertically arranged with centre bore, the described movable upper end abandoning needle cycle drive rod is through driving dividing plate and being placed in this centre bore, abandon and needle cycle drive rod is fixedly installed slippage and is arranged at spring upper supporting plate in centre bore, this spring upper supporting plate and drive between dividing plate and be provided with the 3rd spring.
10. a kind of skin prick test device according to claim 8, is characterized in that: described in abandon needle cycle drive rod upper end be fixedly installed and abandon 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 true CN105078516A (en) | 2015-11-25 |
| CN105078516B CN105078516B (en) | 2017-08-25 |
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Family Applications (1)
| 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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| CN (1) | CN105078516B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575205A (en) * | 2019-09-04 | 2019-12-17 | 陕西中医药大学 | Skin sampling device that public health and preventive medicine used |
| CN111067772A (en) * | 2019-12-31 | 2020-04-28 | 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 and massaging method thereof |
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| 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 |
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2015
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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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575205A (en) * | 2019-09-04 | 2019-12-17 | 陕西中医药大学 | Skin sampling device that public health and preventive medicine used |
| 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 |
| CN111067772A (en) * | 2019-12-31 | 2020-04-28 | 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 and massaging method thereof |
| 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 | Publication date |
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| CN105078516B (en) | 2017-08-25 |
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