CN204170222U - Anti-stabbing type syringe - Google Patents
Anti-stabbing type syringe Download PDFInfo
- Publication number
- CN204170222U CN204170222U CN201420629924.3U CN201420629924U CN204170222U CN 204170222 U CN204170222 U CN 204170222U CN 201420629924 U CN201420629924 U CN 201420629924U CN 204170222 U CN204170222 U CN 204170222U
- Authority
- CN
- China
- Prior art keywords
- syringe
- needle
- trocar sheath
- nipple
- catch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses Anti-stabbing type syringe, bag syringe, syringe comprises syringe and is positioned at the needle nipple of its front end, on the needle nipple of syringe, Demountable assembling has nipple sleeve pipe, nipple sleeve pipe is fixedly installed catch and syringe needle successively away from the side of needle nipple, the outer Demountable assembling of syringe has one end to close the open trocar sheath in one end, the closed end face of trocar sheath is provided with the pin hole for passing for syringe needle, and the inwall of trocar sheath is provided with for stopping that catch departs from the barrier element of trocar sheath.The trocar sheath being provided with back-up ring and the syringe needle being provided with catch with the use of, when syringe needle is separated with syringe, trocar sheath covers on outside syringe needle, avoids the exposed of syringe needle, avoid medical worker protects in the process of needle guard, detachable needle, disposal syringe needle at time cover simultaneously, the situation of stabbing.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specifically related to Anti-stabbing type syringe.
Background technology
Pricking wound is mechanism's reports such as the normal thunder bolt sent out in clinical position, inspection offices of England country in 2003, and needle sting rate accounts for 17% of the total thunder bolt of medical worker.Nurse is the crowd the most easily contacting blood one body fluid in medical worker, and mostly is the contact of the high risks such as Jie's human nature operation, thus in medical worker nurse that the probability of pricking wound occurs is higher.Within 2003, Chinese scholar shows the questionnaire survey of 1075 nurses, and pricking wound incidence rate is 80.6%, to abroad report similar, year pricking wound 3.5 times per capita, there are pricking wound 3780 times in 866 nurses, wherein contaminated needle sting accounts for 60% in 1 year.Investigation display, when nurse's pricking wound mainly occurs in injection or blood sampling, in the process of injection or blood sampling post processing syringe.Nurse infects hematogenous infectious disease report because of the needle sting polluted is of common occurrence.Pricking wound has become an importance in nursing profession damage, and the healthy and safe of nurse is subject to serious threat.Existing syringe, its syringe needle and syringe are fixed, and syringe needle is hard sharply easily stabs user, when in use, protect in needle guard, detachable needle, disposal syringe needle process returning cover, the situation often can stabbed.
Utility model content
The purpose of this utility model is to provide Anti-stabbing type syringe, and to solve existing syringe in use, the problem of nurse or patient easily stabbed by syringe needle.
The technical scheme that this utility model adopts is, Anti-stabbing type syringe, comprise syringe, syringe comprises syringe and is positioned at the needle nipple of its front end, on the needle nipple of syringe, Demountable assembling has nipple sleeve pipe, nipple sleeve pipe is fixedly installed catch and syringe needle successively away from the side of needle nipple, the outer Demountable assembling of syringe has one end to close the open trocar sheath in one end, the closed end face of trocar sheath is provided with the pin hole for passing for syringe needle, and the inwall of trocar sheath is provided with for stopping that catch departs from the barrier element of trocar sheath.
Feature of the present utility model is also,
The Breadth Maximum of catch is less than the diameter of trocar sheath to ensure that catch is free to slide in trocar sheath.
Barrier element comprises the back-up ring being arranged at outer sleeve inner wall, and back-up ring and trocar sheath are coaxially arranged.
Back-up ring is annular, and the internal diameter of back-up ring is less than the external diameter of catch, and the internal diameter of back-up ring is greater than the external diameter of syringe.
Back-up ring is greater than the length sum of syringe needle and catch to the beeline that trocar sheath closes end face, and during to ensure that syringe needle departs from needle nipple, syringe needle is all positioned at trocar sheath.
Be surrounded with centered by pin hole outside trocar sheath a circle for the boss protecting needle guard spiral and be connected.
Syringe needle overcoat protects needle guard.
The beneficial effects of the utility model are, the trocar sheath being provided with back-up ring and the syringe needle being provided with catch with the use of, when syringe needle is separated with syringe, trocar sheath covers on outside syringe needle, avoid the exposed of syringe needle, avoid medical worker protects in the process of needle guard, detachable needle, disposal syringe needle at time cover simultaneously, the situation of stabbing.
Accompanying drawing explanation
Structural representation when Fig. 1 is this utility model Anti-stabbing type syringe original state;
Fig. 2 is the structural representation of this utility model Anti-stabbing type syringe trocar sheath;
Fig. 3 is the structural representation of this utility model Anti-stabbing type syringe syringe needle, catch and nipple sleeve pipe;
Fig. 4 is the schematic diagram that this utility model Anti-stabbing type syringe syringe needle is separated with syringe.
In figure, 1. pin hole, 2. syringe needle, 3. catch, 4. trocar sheath, 5. syringe, 6. protect needle guard, 7. back-up ring, 8. needle nipple, 9. nipple sleeve pipe, 10. boss.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is described in detail.
This utility model provides a kind of Anti-stabbing type syringe, see Fig. 1 to 3, comprise syringe, syringe comprises syringe 5 and is positioned at the needle nipple 8 of its front end, on the needle nipple 8 of syringe, Demountable assembling has nipple sleeve pipe 9, nipple sleeve pipe 9 is fixedly installed catch 3 and syringe needle 2 successively away from the side of needle nipple 8, the outer Demountable assembling of syringe 5 has one end to close the open trocar sheath 4 in one end, the closed end face of trocar sheath 4 is provided with the pin hole 1 for passing for syringe needle 2, and the inwall of trocar sheath 4 is provided with for stopping that catch 3 departs from the barrier element of trocar sheath 4.Barrier element comprises the back-up ring 7 being arranged at trocar sheath 4 inwall, and back-up ring 7 and trocar sheath 4 are coaxially arranged.
The outer detachable cover of syringe needle 2 protects needle guard 6, be surrounded with centered by pin hole 1 outside trocar sheath 4 circle for the boss 10 protecting needle guard 6 spiral and be connected.
Wherein, the Breadth Maximum of catch 3 is less than the diameter of trocar sheath 4 to ensure that catch 3 can be free to slide in trocar sheath 4; Back-up ring 7 is annular, and the internal diameter of back-up ring 7 is less than the external diameter of catch 3, and to make back-up ring 7 can play restriction effect to the movement position of catch 3, the internal diameter of back-up ring 7 is greater than the external diameter of syringe 5, to ensure that syringe 5 can free reciprocating action in trocar sheath 4; Back-up ring 7 is greater than the length sum of syringe needle 2 and catch 3 to the beeline that trocar sheath 4 closes end face, and during to ensure that syringe needle 2 departs from needle nipple 8, syringe needle 2 can all be wrapped up by trocar sheath 4, avoids the exposed of syringe needle 2.
During original state, trocar sheath 4 is enclosed within the outside of syringe 5, and the open end of trocar sheath 4 is connected with spiral with the tail end of syringe 5, to ensure that the position when operations such as puncture, dosings between trocar sheath 4 and syringe 5 is fixed, can not come off, interference can not be caused to puncture action.Syringe needle 2 passes from the pin hole 1 of trocar sheath 4 simultaneously, and during use, will protect needle guard 6 and remove, syringe needle 2 comes out and just can puncture, and arranging of trocar sheath 4 needs without any impact normal puncture.
After waiting to puncture, need syringe needle 2 to throw away.First trocar sheath 4 is separated with syringe 5, in the process be separated, owing to being provided with back-up ring 7 in trocar sheath 4, the direction of motion of back-up ring 7 pairs of catch 3 produces and stops, see Fig. 4, continuing in the process be separated, syringe can be separated with trocar sheath 4 easily, and catch 3 is left in trocar sheath 4 together with syringe needle 2 and nipple sleeve pipe 9, so, trocar sheath 4 is by coated for syringe needle 2, and be separated with syringe easily, and have the trocar sheath 4 that syringe needle 2 is played a protective role due to syringe needle 2 overcoat, avoid existing syringe when processing, needle guard is protected because returning cover, detachable needle, dispose in syringe needle process, the problem that its exposed syringe needle 2 easily damages medical personnel, simultaneously, after syringe and syringe needle 2 are separated, drop into sharp disposable container again to process, substantially reduce garbage taking sharp disposable container space, easy to use.
Claims (7)
1. Anti-stabbing type syringe, it is characterized in that, comprise syringe, described syringe comprises syringe (5) and is positioned at the needle nipple (8) of its front end, the upper Demountable assembling of needle nipple (8) of described syringe has nipple sleeve pipe (9), described nipple sleeve pipe (9) is fixedly installed catch (3) and syringe needle (2) successively away from the side of needle nipple (8), described syringe (5) outer Demountable assembling has one end to close the open trocar sheath (4) in one end, the closed end face of described trocar sheath (4) is provided with the pin hole (1) for passing for syringe needle (2), the inwall of described trocar sheath (4) is provided with for stopping that catch (3) departs from the barrier element of trocar sheath (4).
2. Anti-stabbing type syringe as claimed in claim 1, it is characterized in that, the Breadth Maximum of described catch (3) is less than the diameter of trocar sheath (4) to ensure that catch (3) is free to slide in trocar sheath (4).
3. Anti-stabbing type syringe as claimed in claim 1 or 2, it is characterized in that, described barrier element comprises the back-up ring (7) being arranged at trocar sheath (4) inwall, and described back-up ring (7) and trocar sheath (4) are coaxially arranged.
4. Anti-stabbing type syringe as claimed in claim 3, it is characterized in that, described back-up ring (7) is annular, the internal diameter of described back-up ring (7) is less than the external diameter of described catch (3), and the internal diameter of described back-up ring (7) is greater than the external diameter of syringe (5).
5. Anti-stabbing type syringe as claimed in claim 4, it is characterized in that, described back-up ring (7) is greater than the length sum of syringe needle (2) and catch (3) to the beeline of the closed end face of trocar sheath (4), and during to ensure that syringe needle (2) departs from needle nipple (8), syringe needle (2) is all positioned at trocar sheath (4).
6. Anti-stabbing type syringe as claimed in claim 1 or 2, it is characterized in that, described trocar sheath (4) outside be surrounded with centered by pin hole (1) circle for the boss (10) protecting needle guard (6) spiral and be connected.
7. Anti-stabbing type syringe as claimed in claim 1 or 2, is characterized in that, described syringe needle (2) outward detachable cover protects needle guard (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420629924.3U CN204170222U (en) | 2014-10-28 | 2014-10-28 | Anti-stabbing type syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420629924.3U CN204170222U (en) | 2014-10-28 | 2014-10-28 | Anti-stabbing type syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204170222U true CN204170222U (en) | 2015-02-25 |
Family
ID=52559067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420629924.3U Expired - Fee Related CN204170222U (en) | 2014-10-28 | 2014-10-28 | Anti-stabbing type syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204170222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104288870A (en) * | 2014-10-28 | 2015-01-21 | 中国人民解放军第四军医大学 | Anti-puncture type injection tube |
-
2014
- 2014-10-28 CN CN201420629924.3U patent/CN204170222U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104288870A (en) * | 2014-10-28 | 2015-01-21 | 中国人民解放军第四军医大学 | Anti-puncture type injection tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20181028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |