CN204521810U - Disposable safe venous needle - Google Patents
Disposable safe venous needle Download PDFInfo
- Publication number
- CN204521810U CN204521810U CN201520083042.6U CN201520083042U CN204521810U CN 204521810 U CN204521810 U CN 204521810U CN 201520083042 U CN201520083042 U CN 201520083042U CN 204521810 U CN204521810 U CN 204521810U
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- CN
- China
- Prior art keywords
- pin cap
- syringe needle
- needle
- connector
- handle
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- 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
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of disposable safe venous needle, comprise needle body, connector, syringe needle handle and the cylindrical shape rigid plastics pin cap that can slide up and down.Pin cap sleeve is on needle body and connector, the round tube wall of pin cap is provided with axial pass trough, axial pass trough is enclosed within syringe needle handle, and the width of axial pass trough is identical with the thickness of syringe needle handle, and the length of axial pass trough at least equals the length of syringe needle handle rear end to needle body front end.Syringe needle after improvement is subject to the protection of pin cap all the time, avoids the issuable pricking wound of existing syringe needle, meanwhile, after contaminated pinhead directly enters pin cap, effectively can prevent secondary pollution.Serviceability is obviously improved, and security performance significantly improves, and is particularly suitable for using in venous transfusion and blood collection procedure.
Description
Technical field
This utility model relates to a kind of intravenous injection needle, particularly a kind of with safty pin cap, the disposable safe venous needle that effectively can prevent accidental needle sticks, belongs to field of medical products.
Background technology
Along with the development of modern medical service nursing care delivery, being stabbed phenomenon by various contaminated pinhead in treatment operation sequence has become a kind of common employment injuries.According to statistics, about there are 100,000 nurses in the annual whole world by various needle sting, and this also becomes and causes nursing staff that one of the most dangerous route of infection of Hematogenic infectious disease occur.In China, pricking wound occurs mainly to be divided into following several situation: when 1, losing the syringe needle used; 2, to patient injection time; 3, when syringe needle is with rear block; 4, when replacing does not add the syringe needle of cap; 5, in cleaning course, the empty needle accidental puncture on operating board is placed in; 6, after blood sampling specimen injecting tube, when taking off syringe needle; 7, by the impact of sticking cloth, when pulling out pin to patient, syringe needle is counter to be stung; When 8, exposed syringe needle being separated with needle tubing.
Pricking wound directly can cause the plantation of the pathogen such as pathogenic toxin, tumor cell, and pathogen enters in body through acupuncture wound can cause local or systemic infection, and any acupuncture wound all may have the existence of clostridium tetani.Now confirm, there are 20 kinds of pathogen can through pricking wound inoculative transmission, and may produce lethal effect just comprise HIV (human immunodeficiency virus) (HIV), hepatitis B virus (HBV) and hepatitis C (HCV), wherein, pathogenic stronger compared with HIV of HBV, when pricking wound occurs, 0.004 milliliter of blood is only needed just to be enough to wounded body is infected, be carried HBV needle sting and the probability that hepatitis B occurs is 20%, the probability that acquired immune deficiency syndrome (AIDS) occurs is 0.3%, and up to the present these three kinds of infectious disease all do not have specific drug to treat.
The existence of pricking wound; nursing staff is in the infected hazardous environment of possibility at any time, and psychological burden is heavier, and part nursing staff produces anxiety and fear because worrying infected; reduce the acceptance of oneself's occupation, bring to daily nursing work and have a strong impact on.
For improving this situation, there is safety injector, safe type retention needle, needleless connected system in the medical supplies that existing market provides, meet the sharp instrument catcher etc. of international standard, although certain pricking wound situation can be avoided to occur, but it is narrower that these products popularize scope, vast basic unit does not use substantially, use in medical system more, also the most easily produce pricking wound be still blood taking needle and transfusion device syringe needle.Therefore, carry out structure improvement for this type of syringe needle, avoid the generation of pricking wound situation, just become the matter of utmost importance that this utility model is wanted to solve.
Summary of the invention
In view of above-mentioned existing situation and deficiency; this utility model aims to provide a kind of vein blood sampling with protection pin cap or transfusion needle head; by the inseparability of pin cap and syringe needle, make syringe needle be in the protection of pin cap all the time, prevent the generation of accidental needle sticks traumatic condition condition.
This utility model is achieved through the following technical solutions:
Disposable safe venous needle, comprise needle body, the connector be fixedly connected with needle body afterbody, be arranged on connector surface and the syringe needle handle vertical with connector, connector and syringe needle handle are structure as a whole; Also comprise the cylindrical shape rigid plastics pin cap that can slide up and down, pin cap sleeve is on needle body and connector, and needle body is arranged in pin cap; The round tube wall of pin cap is provided with axial pass trough, and axial pass trough is enclosed within syringe needle handle, and the width of axial pass trough is identical with the thickness of syringe needle handle, and the length of axial pass trough at least equals the length of syringe needle handle rear end to needle body front end.
The opposite side barrel of the pin cap corresponding with syringe needle handle is also provided with soft pin cap handle.
The rear end surface that described connector contacts with pin cap is also provided with a spacing preiection, and spacing preiection is greater than the distance of axial pass trough rear end to pin cap rear end to the distance of syringe needle handle rear end.
The angle of described spacing preiection and syringe needle handle is 90 degree.
The beneficial effect of disposable safe venous needle described in the utility model comprises:
1, improving cost is cheap, easy to use, safe, less on existing use habit impact.
2, use forward and backward, needle body is subject to the protection of pin cap all the time, can not produce the pricking wound that syringe needle in the past may bring.
3, syringe needle is extracted and is directly entered into pin cap afterwards, avoids contaminated pinhead and extraneous contact, prevents secondary pollution.
4, after being used to complete, utilizing spacing preiection to stop pin cap rear end, add the fastness of pin cap position, prevent pin cap surprisingly to deviate from, overcome the potential safety hazard that syringe needle secondary that anthropic factor may cause exposes.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, Fig. 2, this utility model is further described:
Disposable safe venous needle described in the utility model, comprise needle body 2, the connector 3 be fixedly connected with needle body 2 afterbody, be arranged on connector 3 surface and the syringe needle handle 4 vertical with connector 3, and the cylindrical shape rigid plastics pin cap 1 that can slide up and down.Wherein, connector 3 and syringe needle handle 4 are structure as a whole, and syringe needle handle 4 is flat, the plug campaign of syringe needle handle 4 for driving needle body 2 to carry out direction up or down.Connector 3 is tubulose, and connector 3 rear end is communicated with transfusion or blood taking tube.
For preventing pricking wound, improve the safety of syringe needle before use or after using, on needle body 2 and connector 3, also cover has a pin cap 1, and needle body 2 is arranged in pin cap 1.Pin cap 1 adopts rigid plastics to make, and needle body 2 front end is not easily pricked and worn or prick, and meanwhile, the pin cap 1 that rigid plastics is made also has certain toughness and elasticity, easy to operate and use.Because connector 3 surface is provided with the syringe needle handle 4 of vertical direction, therefore, the round tube wall of pin cap 1 is also provided with the axial pass trough 7 corresponding with syringe needle handle 4 position, axial pass trough 7 is enclosed within syringe needle handle 4, the width of axial pass trough 7 is identical with the thickness of syringe needle handle 4, utilize coordinating of axial pass trough 7 and syringe needle handle 4, pin cap 1 is relative fixing with the position of needle body 2 and connector 3.For ensure needle body 2 before use, after can all cover in pin cap 1, and in use can be all exposed, in this example, the length of axial pass trough 7 equals the length of syringe needle handle 4 rear end to needle body 2 front end, like this, when sliding up and down pin cap 1, needle body 2 can all to expose from being blocked completely by pin cap 1 before using uses, and can not affect the normal use of syringe needle.
For improving the serviceability of syringe needle further, the use habit of the person that meets different operating, the opposite side barrel of the pin cap 1 corresponding with syringe needle handle 4 is also provided with soft pin cap handle 5, soft pin cap handle 5 can handled easily pin cap 1 upper and lower fast, avoid compared with the impact of fine needle cap 1 on use procedure, meanwhile, soft pin cap handle 5 can also be arbitrarily bending, can not affect carrying and storing of syringe needle.
For improving syringe needle serviceability further; ensure the protection that still can be subject to pin cap 1 after syringe needle uses; simultaneously; avoid pin cap 1 by the backward lower unlatching of maloperation again; in this example; the rear end surface contacted with pin cap 1 at connector 3 is also provided with a spacing preiection 6, and spacing preiection 6 and connector 3 are structure as a whole, and spacing preiection 6 is 90 degree with the angle of syringe needle handle 4.The distance of spacing preiection 6 to syringe needle handle 4 rear end is greater than the distance of axial pass trough 7 rear end to pin cap 1 rear end.Because spacing preiection 6 is when contacting with pin cap 1, the pin cap 1 of contact portion can produce local deformation, thus forms certain pressure, is fixed by the relative position between pin cap 1 and connector 3.
When disposable safe venous needle described in the utility model is made, pin cap 1 is enclosed within needle body 2 and connector 3, syringe needle handle 4 is through the axial pass trough 7 on pin cap 1, the spacing preiection 6 being positioned at connector 3 surface is supported on the inwall of pin cap 1 rear end, under coordinate of axial pass trough 7 with syringe needle handle 4, and under the effect of spacing preiection 6 place pin cap 1 local deformation generation pressure, pin cap 1 position is fixed, and not easily generation slides up and down.When needs carry out syringe needle insert action, operator are while clutch syringe needle handle 4, another side pulls pin cap handle 5 downwards, pin cap 1 slide downward under the guiding of axial pass trough 7, length due to axial pass trough 7 equals the length of syringe needle handle 4 rear end to needle body 2 front end, therefore, along with the slide downward of pin cap 1, needle body 2 entirety is exposed from pin cap 1, can not affect the normal use of syringe needle, meanwhile, spacing preiection 6 is still held in the inwall of pin cap 1, certain fixation is played to pin cap 1 position, the follow-up insertion process of syringe needle can not be affected.When syringe needle extracted by needs, operator hold with a firm grip on the other hand syringe needle handle 4, another hands clutches pin cap handle 5, along with exiting backward of syringe needle handle 4, needle body 2 directly enters into pin cap 1, avoids after syringe needle extracts, due to the impact that adhesive plaster and pipeline are wound around, cause syringe needle to return thorn phenomenon, effectively prevent pricking wound.And the needle body 2 entered in pin cap 1 is not owing to reusing, therefore can by pin cap 1 again upwardly, spacing preiection 6 is made to be projected into pin cap 1 rear end outside, spacing preiection 6 is utilized to be clamped pin cap 1 rear end, cause syringe needle again can not expose use, now, just can be relieved by use after syringe needle be discarded in sharp instrument box, needle body 2 will be caused again to expose phenomenon because pin cap 1 slides, substantially increase the safety of later stage removal process.
Claims (4)
1. disposable safe venous needle, comprise needle body, the connector be fixedly connected with needle body afterbody, be arranged on connector surface and the syringe needle handle vertical with connector, described connector and syringe needle handle are structure as a whole; It is characterized in that, also comprise the cylindrical shape rigid plastics pin cap that can slide up and down, described pin cap sleeve is on needle body and connector, and needle body is arranged in pin cap; The round tube wall of described pin cap is provided with axial pass trough, and axial pass trough is enclosed within syringe needle handle, and the width of axial pass trough is identical with the thickness of syringe needle handle, and the length of axial pass trough at least equals the length of syringe needle handle rear end to needle body front end.
2. disposable safe venous needle according to claim 1, is characterized in that, the opposite side barrel of the pin cap corresponding with syringe needle handle is also provided with soft pin cap handle.
3. disposable safe venous needle according to claim 1, it is characterized in that, the rear end surface that described connector contacts with pin cap is also provided with a spacing preiection, and spacing preiection is greater than the distance of axial pass trough rear end to pin cap rear end to the distance of syringe needle handle rear end.
4. disposable safe venous needle according to claim 3, is characterized in that, the angle of described spacing preiection and syringe needle handle is 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083042.6U CN204521810U (en) | 2015-02-06 | 2015-02-06 | Disposable safe venous needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083042.6U CN204521810U (en) | 2015-02-06 | 2015-02-06 | Disposable safe venous needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204521810U true CN204521810U (en) | 2015-08-05 |
Family
ID=53735875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520083042.6U Expired - Fee Related CN204521810U (en) | 2015-02-06 | 2015-02-06 | Disposable safe venous needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204521810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730175A (en) * | 2017-01-12 | 2017-05-31 | 严彦宏 | Integral safety syringe |
| CN111282083A (en) * | 2020-03-06 | 2020-06-16 | 张亚亚 | Puncture-proof intravenous infusion needle and needle cap thereof |
-
2015
- 2015-02-06 CN CN201520083042.6U patent/CN204521810U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730175A (en) * | 2017-01-12 | 2017-05-31 | 严彦宏 | Integral safety syringe |
| CN106730175B (en) * | 2017-01-12 | 2022-06-28 | 严彦宏 | Integrated Safety Syringe |
| CN111282083A (en) * | 2020-03-06 | 2020-06-16 | 张亚亚 | Puncture-proof intravenous infusion needle and needle cap thereof |
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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: 20150805 Termination date: 20170206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |