CN104605893B - A kind of skin prick tests inclined-plane pushing block bullet pin - Google Patents
A kind of skin prick tests inclined-plane pushing block bullet pin Download PDFInfo
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- CN104605893B CN104605893B CN201410848179.6A CN201410848179A CN104605893B CN 104605893 B CN104605893 B CN 104605893B CN 201410848179 A CN201410848179 A CN 201410848179A CN 104605893 B CN104605893 B CN 104605893B
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- pin
- push
- syringe needle
- housing
- needle stand
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Abstract
A kind of skin prick tests inclined-plane pushing block bullet pin, including syringe needle, needle stand, surface push-rod and housing, cross-drilled hole that is mutually angled and being interconnected and vertical core are provided with housing, needle stand is provided with vertical core, surface push-rod is provided with cross-drilled hole, needle stand afterbody is provided with an inclined-plane, dovetail groove is provided with inclined-plane, it is engaged with the projection of surface push-rod so that projection can only be slided in dovetail groove, so surface push-rod movement in the cross-drilled hole can cause needle stand to move in vertical core, surface push-rod afterbody stretches out housing and is provided with push-plate, it is provided with bulky spring to allow to promote push-plate rebound automatically after compressing bulky spring relieving push-plate between push-plate and housing.
Description
Technical field
The present invention relates to a kind of pin, more particularly to a kind of skin prick experiment inclined-plane pushing block bullet pin.
Background technology
Existing human body skin allergy test, mainly tests to obtain desired data by skin prick, clinical at present
On mainly use skin prick anaphylactogen --- sterilization patient's bilateral forearm, one drip in the 3-5cm drops in inner forearm
Allergy original liquid (about 20 kinds), and drop has Skin prick testing and physiological saline negative control, uses disposable pin in liquid central authorities
Head perpendicular insertion broken skin skin is observed 20 minutes, is compared with histamine group and salt solution group to subcutaneous, and position and size occurs in record wheal.
But for operator, especially beginner, syringe needle is pierced into depth and can not often hold, was pierced into shallow, it is impossible to puncture skin, may
Cause false-negative result.Piercing is too deep, and pain is strong, is pierced into skin corium, causes bleeding, will affect test result, so that
Operator is can not let go in operation, makes detection efficiency excessively slow.
The content of the invention
The technical problem to be solved is：Skin depth is easily held, pain is few, test to provide a kind of piercing
As a result accurately, the high skin prick experiment inclined-plane pushing block bullet pin of detection efficiency.
To solve above-mentioned technical problem, the present invention is employed the following technical solutions：A kind of skin prick tests inclined-plane pushing block bullet
Pin, including syringe needle, needle stand, surface push-rod and housing, are provided with cross-drilled hole that is mutually angled and being interconnected in housing
And vertical core, needle stand is provided with vertical core, surface push-rod in cross-drilled hole, is provided with, needle stand afterbody is provided with an inclined-plane, and dovetail groove is provided with inclined-plane,
It is engaged with the projection of surface push-rod so that projection can only be slided in the dovetail groove, movement can be with the cross-drilled hole for such surface push-rod
So that needle stand is moved in vertical core, surface push-rod afterbody stretches out housing and is provided with push-plate, and bulky spring is provided between push-plate and housing
Allow to promote push-plate rebound automatically after compressing bulky spring relieving push-plate；
Needle stand head is provided with a syringe needle installing hole, and syringe needle installing hole can cause syringe needle built with syringe needle, the movement of needle stand
Stretch out or retraction housing, it is vertical with the hole that syringe needle is installed to be provided with a pin-and-hole, a resilient key is provided with pin-and-hole, resilient key includes head pin
And end pin, hairspring is provided between head pin and end pin and causes distance variable between head pin and end pin, it is thin during syringe needle retraction housing
Spring is compressed head pin and is pressed in end pin on housing to be pressed on syringe needle so that syringe needle can follow needle stand to move together, and housing side also sets
There is side face so that the hairspring pusher head pin compressed when certain position is moved to needle stand by syringe needle subtracts in lateral aperture
Few end pin departs from needle stand by syringe needle to the pressure of syringe needle under gravity or vibrating state, while needle stand is extremely caused entirety not by lock
Can be movable relatively；
One being additionally provided with housing side hole and pushing away post, pushing away post can be connected with housing by spring, post will be pushed away toward lateral aperture
End pin can be pressed in the head pin release lateral aperture in lateral aperture when interior mobile to be put on the syringe needle of needle stand while needle stand unblock
Can move and syringe needle can be shunk back in housing under bulky spring effect.
The present invention provides a kind of beneficial effect of skin prick experiment inclined-plane pushing block bullet pin：So design, promote oblique
Face push rod easily can slowly promote syringe needle to be pierced into skin so that user has relatively comfortable experience, and inclined-plane plays increasing
Plus the effect of rise makes it easier to control the speed and strength of pin, needle stand is designed as very easily can changing for changeable type
Syringe needle, can so avoid different people using cross-infection is caused, can be replied using spring, convenient use, and be subject to bullet
The pressure of spring greatly increases the depth and dynamics that feel so can very easily control pin, improves the comfort level of user.
Further, preferably, surface push-rod is with to push away post vertical, so can be expressed to that two parts cause simultaneously can not
It is locked.
Further, end pin is inclined-plane near syringe needle face, so convenient that syringe needle is put into needle stand.
Description of the drawings
Fig. 1 tests inclined-plane pushing block bullet pin fore-and-aft direction cross-sectional schematic for a kind of skin prick of the invention；
Fig. 2 tests inclined-plane pushing block bullet pin left and right directions cross-sectional schematic for a kind of skin prick of the invention；
Fig. 3 is a kind of skin prick experiment inclined-plane pushing block bullet pin left and right directions extruding syringe needle locking state section view of the invention
Schematic diagram；
Specific embodiment
As needed, the specific embodiment of the present invention is disclosed herein, it will be appreciated that the disclosed embodiments are
The demonstration present invention, the present invention can be implemented with different and alternative form.Accompanying drawing is not necessarily drawn to scale, and some features can be overstated
It is big or reduce the details of particular elements is shown.Therefore, concrete structure disclosed herein and function detail are understood not to
It is in a limiting sense, but it is only of the invention to instruct those skilled in the art differently to adopt as representative basis.Based on this
Embodiment in invention, the every other reality obtained under the premise of creative work is not made by those of ordinary skill in the art
Example is applied, the scope of protection of the invention is belonged to.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of skin prick tests inclined-plane pushing block bullet pin, including syringe needle 1, needle stand 2, inclined-plane
Push rod 3 and housing 6, are provided with cross-drilled hole 7 that is mutually angled and being interconnected and vertical core, pin are provided with vertical core in housing 6
Seat 2, is provided with surface push-rod 3 in cross-drilled hole 7, and 2 afterbody of needle stand is provided with an inclined-plane, dovetail groove is provided with inclined-plane, convex with surface push-rod 3
Play 13 and be engaged that cause raised 13 can only be in slip in dovetail groove, the movement in the cross-drilled hole 7 of such surface push-rod 3 can cause needle stand
2 move in vertical core, and 3 afterbody of surface push-rod stretches out housing 6 and is provided with push-plate 4, and bulky spring 5 is provided between push-plate 4 and housing 6 to be made
Push-plate 4 must be promoted to compress after bulky spring 5 decontrols push-plate 4 can rebound automatically；2 head of needle stand is provided with a syringe needle installing hole,
Syringe needle installing hole can cause syringe needle 1 to stretch out or retraction housing 6 built with syringe needle 1, the movement of needle stand 2, the hole installed with syringe needle 1
A pin-and-hole is vertically provided with, a resilient key in pin-and-hole, is provided with, resilient key includes a pin 8 and end pin 9, is provided between head pin 8 and end pin 9
Hairspring 11 causes distance variable between head pin 8 and end pin 9, and during 1 retraction housing 6 of syringe needle, hairspring 11 is pressed by compression head pin 8
On housing 6, end pin 9 is pressed on syringe needle 1 so that syringe needle 1 can follow needle stand 2 to move together, and 6 side of housing is additionally provided with side face
So that the 11 pusher head pin 8 of hairspring compressed when moving to certain position with needle stand 2 by syringe needle 1 is entered in lateral aperture and reduces end pin
The pressure of 9 pairs of syringe needles 1 departs from needle stand 2 under gravity or vibrating state by syringe needle 1, while needle stand 2 is extremely caused entirety not by lock
Can be movable relatively；One is additionally provided with 6 lateral aperture of housing and pushes away post 10, pushed away post 10 and can lead to centering spring 12 and be connected with housing 6, will
Push away and the head pin 8 in lateral aperture can be released lateral aperture so that end pin 9 is pressed in the pin for being put into needle stand 2 when post 10 is moved toward in lateral aperture
The unblock of needle stand 2 simultaneously on 1 can be moved and syringe needle 1 can be shunk back in housing 6 in the case where bulky spring 5 is acted on.
As shown in Figure 1, Figure 2, Figure 3 shows, surface push-rod 3 and to push away post 10 vertical, so can be expressed to two parts simultaneously and cause
Can not be locked.
As shown in Figure 1, Figure 2, Figure 3 shows, end pin 9 is inclined-plane near 1 face of syringe needle, so convenient that syringe needle 1 is put into needle stand 2.
Claims (3)
1. a kind of skin prick tests inclined-plane pushing block bullet pin, it is characterised in that：Including syringe needle (1), needle stand (2), surface push-rod
(3) cross-drilled hole (7) that is mutually angled and being interconnected and vertical core, vertical core and housing (6), are provided with the housing (6)
Inside it is provided with needle stand (2), the cross-drilled hole (7) and is provided with surface push-rod (3), needle stand (2) afterbody is provided with an inclined-plane, opens on inclined-plane
There is dovetail groove to be engaged with the projection (13) of the surface push-rod (3) so that raised (13) can only slide in dovetail groove, described
Surface push-rod (3) is moved in cross-drilled hole (7) so that needle stand (2) is moved in vertical core, and surface push-rod (3) afterbody stretches out shell
Body (6) and push-plate (4) is provided with, between the push-plate (4) and housing (6), is provided with bulky spring (5) so that promote push-plate (4) compression
Bulky spring (5) is decontroled push-plate (4) and is rebounded automatically afterwards；Needle stand (2) head is provided with a syringe needle installing hole syringe needle (1), described
The movement of needle stand (2) so that syringe needle (1) stretches out or retraction housing (6), the needle stand (2) is vertical with the hole that syringe needle (1) is installed to be set
Have a pin-and-hole, in pin-and-hole, be provided with a resilient key, resilient key include head pin (8) and end pin (9), the head pin (8) and end pin (9) it
Between be provided with hairspring (11) so that distance change between head pin (8) and end pin (9), it is thin during syringe needle (1) retraction housing (6)
Spring (11) is compressed, and head pin (8) is pressed on housing (6), and end pin (9) is pressed on syringe needle (1) so that syringe needle (1) follows needle stand
(2) move together, housing (6) side is additionally provided with side face so that syringe needle (1) moves to certain position with needle stand (2)
When the hairspring (11) that compressed promote, head pin (8) reduces pressure of the end pin (9) to syringe needle (1) in lateral aperture, allows pin
Head (1) departs from needle stand (2) under gravity or vibrating state, while needle stand (2) is extremely caused entirety not can be movable relatively by lock；Institute
State and one is additionally provided with housing (6) lateral aperture pushes away post (10), the post (10) that pushes away can lead to centering spring (12) with housing (6) even
Connect, the head pin (8) in lateral aperture is released lateral aperture when post (10) is moved toward in lateral aperture for described pushing away so that end pin (9) is pressed in
It is put on the syringe needle (1) of needle stand (2), while needle stand (2) unblock is mobile to shrink back shell by syringe needle (1) under bulky spring (5) effect
In body (6).
2. skin prick according to claim 1 tests inclined-plane pushing block bullet pin, it is characterised in that：The surface push-rod
And to push away post (10) vertical (3).
3. skin prick according to claim 1 tests inclined-plane pushing block bullet pin, it is characterised in that：The end pin (9) is leaned on
Nearly syringe needle (1) face is inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848179.6A CN104605893B (en) | 2015-03-18 | 2015-03-18 | A kind of skin prick tests inclined-plane pushing block bullet pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410848179.6A CN104605893B (en) | 2015-03-18 | 2015-03-18 | A kind of skin prick tests inclined-plane pushing block bullet pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104605893A CN104605893A (en) | 2015-05-13 |
| CN104605893B true CN104605893B (en) | 2017-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410848179.6A Expired - Fee Related CN104605893B (en) | 2015-03-18 | 2015-03-18 | A kind of skin prick tests inclined-plane pushing block bullet pin |
Country Status (1)
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| CN (1) | CN104605893B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108186342B (en) * | 2018-03-08 | 2020-05-05 | 兖矿新里程总医院 | Acupuncture needle inserting device |
| CN108523934B (en) * | 2018-03-30 | 2021-01-05 | 江苏科华医疗器械科技有限公司 | Real-time drive type urine collecting device |
| CN110368069B (en) * | 2019-07-18 | 2021-04-16 | 朱颖妍 | Excitation type fine operation cutting knife |
| CN110368287B (en) * | 2019-08-30 | 2021-08-13 | 许文君 | Self-adaptive external chest compression device for cardio-pulmonary resuscitation |
| CN110393663B (en) * | 2019-08-30 | 2021-08-10 | 鹤壁市人民医院 | External chest pressing device for cardio-pulmonary resuscitation |
| CN112349192B (en) * | 2020-10-22 | 2022-03-08 | 温州市人民医院 | Laparoscope training equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2427219Y (en) * | 2000-05-12 | 2001-04-25 | 钱云周 | Combination, self-locking, disposable and desinfection syringe |
| WO2008121680A2 (en) * | 2007-03-30 | 2008-10-09 | Stat Medical Devices, Inc. | Lancet device with combined trigger and cocking mechanism and method |
| US20110098735A1 (en) * | 2009-10-22 | 2011-04-28 | Facet Technologies, Llc | Lancing device with improved guidance assembly |
| CN202437130U (en) * | 2012-01-28 | 2012-09-19 | 张红岩 | Disposable safety automatic blood collecting needle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4212723C1 (en) * | 1992-04-16 | 1993-11-04 | Arta Plast Ab Tyresoe | LANCETTE DEVICE FOR POINTING THE SKIN |
-
2015
- 2015-03-18 CN CN201410848179.6A patent/CN104605893B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2427219Y (en) * | 2000-05-12 | 2001-04-25 | 钱云周 | Combination, self-locking, disposable and desinfection syringe |
| WO2008121680A2 (en) * | 2007-03-30 | 2008-10-09 | Stat Medical Devices, Inc. | Lancet device with combined trigger and cocking mechanism and method |
| US20110098735A1 (en) * | 2009-10-22 | 2011-04-28 | Facet Technologies, Llc | Lancing device with improved guidance assembly |
| CN202437130U (en) * | 2012-01-28 | 2012-09-19 | 张红岩 | Disposable safety automatic blood collecting needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104605893A (en) | 2015-05-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Xiao Inventor after: Huang Tao Inventor before: Fang Mingke |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181203 Address after: 226401 No. 32, Eight Groups, Bajiaojing Village, Matang Town, Rudong County, Nantong City, Jiangsu Province Patentee after: Chen Jianbao Address before: 325000 Ren Ying Road, Linxi Road, Cangnan County, Wenzhou, Zhejiang (east of Zhan Avenue) Patentee before: CANGNAN MIDDLE SCHOOL ZHEJIANG PROVINCE |
|
| 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: 20170405 Termination date: 20200318 |