CN201823129U - Anti-hemolysis syringe needle outer sleeve - Google Patents
Anti-hemolysis syringe needle outer sleeve Download PDFInfo
- Publication number
- CN201823129U CN201823129U CN2010202079250U CN201020207925U CN201823129U CN 201823129 U CN201823129 U CN 201823129U CN 2010202079250 U CN2010202079250 U CN 2010202079250U CN 201020207925 U CN201020207925 U CN 201020207925U CN 201823129 U CN201823129 U CN 201823129U
- Authority
- CN
- China
- Prior art keywords
- outer sleeve
- syringe needle
- overcoat
- blood
- hemolysis
- 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
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Abstract
The utility model discloses an anti-hemolysis syringe needle outer sleeve, which is improved from the conventional disposable syringe needle outer sleeve. The conventional needle head outer sleeve is improved in three aspects: firstly, after the needle head is clamped by the outer sleeve, the rear part of the outer sleeve is thickened to the same degree as the front end of the outer sleeve, so as to reduce blood flow rate; secondly, two bulges vertically facing to each other are added on the inner wall of the thickened outer sleeve, so as to eliminate bubbles while reducing the blood flow rate; thirdly, the tail end of the outer sleeve is changed into an inclined surface opening, so as to enlarge the contact area of blood and a test tube, thereby buffering the blood and reducing the blood flow rate. The syringe needle outer sleeve is proven to be able to effectively avoid sample hemolysis. Since the cost of a syringe is scarcely increased by adopting the syringe needle outer sleeve, the syringe needle outer sleeve is simple and easy to operate, has remarkable effect, and is worthy of popularization and application.
Description
Affiliated technical field
This utility model has been announced a kind of anti-haemolysis injection needle overcoat, is to improve to form on the basis of the syringe needle overcoat that has disposable syringe now.
Background technology
Conventional injector is made of syringe needle and needle tubing two parts, syringe needle takes out the back overcoat as waste disposal, needle tubing part directly often causes haemolysis when in vitro injecting after extracting blood, thereby makes assay lose verity and accuracy, influences the diagnosis and the treatment of disease.The hemolytic reason of blood specimen is improper except that puncture procedure, the blood drawing utensil is defective, lock out operation improper, far away, the excessive velocities of blood stroke or to produce bubble be major reason during the blood injecting tube.
Summary of the invention
The technical scheme that its technical problem that solves this utility model adopts is: be the haemolysis of avoiding above-mentioned reason to cause, existing syringe needle overcoat utilized can solve blood flow process problem far away; In addition improved have three aspects, and the one, increased slightly to the same with front end thick block overcoat behind the syringe needle, play the effect that reduces blood flow rate; The 2nd, increase by two in opposite directions projectioies up and down increasing thick outer casing inner wall, when reducing blood flow rate, can eliminate bubble; The 3rd, the overcoat end is made into the inclined-plane opening, increase the contact area of blood and test tube, play the effect of buffering blood, reduction blood flow rate.
Description of drawings
Accompanying drawing 1 is the injection needle overcoat plane graph before improving, mark 1: injection needle, mark 2: syringe needle overcoat.Accompanying drawing 2 is the injection needle overcoat plane graph after improving, and mark 3: overcoat increases thick part; Mark 4: increase thick outer casing inner wall two projectioies in opposite directions up and down; Mark 5: the terminal inclined-plane of overcoat opening.
The specific embodiment
When using the syringe needle overcoat after the above-mentioned improvement, needle tubing after extracting blood is linked to each other with the syringe needle overcoat, the overcoat end insert bottom the test tube as far as possible and the inclined-plane near test tube wall, slowly blood is injected in the test tube.The beneficial effects of the utility model are after testing, can effectively avoid the generation of sample hemolysis with above-mentioned injection needle overcoat.Because this utility model injection needle overcoat increases the syringe cost hardly, and simple, effect is obvious, is worthy of popularization.
Claims (1)
1. anti-haemolysis injection needle overcoat is to improve to form on the basis of existing disposable syringe syringe needle overcoat, it is characterized in that: block overcoat behind the syringe needle increase slightly arrive the same with front end thick; Increase by two in opposite directions projectioies up and down increasing thick outer casing inner wall; The overcoat end is made into the inclined-plane opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202079250U CN201823129U (en) | 2010-05-20 | 2010-05-20 | Anti-hemolysis syringe needle outer sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202079250U CN201823129U (en) | 2010-05-20 | 2010-05-20 | Anti-hemolysis syringe needle outer sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201823129U true CN201823129U (en) | 2011-05-11 |
Family
ID=43961692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202079250U Expired - Fee Related CN201823129U (en) | 2010-05-20 | 2010-05-20 | Anti-hemolysis syringe needle outer sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201823129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999266A (en) * | 2019-04-30 | 2019-07-12 | 广州医科大学附属第三医院（广州重症孕产妇救治中心、广州柔济医院） | Injection device |
-
2010
- 2010-05-20 CN CN2010202079250U patent/CN201823129U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999266A (en) * | 2019-04-30 | 2019-07-12 | 广州医科大学附属第三医院（广州重症孕产妇救治中心、广州柔济医院） | Injection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20120520 |