CN202235396U - Blood taking needle for medical test - Google Patents
Blood taking needle for medical test Download PDFInfo
- Publication number
- CN202235396U CN202235396U CN2011203841015U CN201120384101U CN202235396U CN 202235396 U CN202235396 U CN 202235396U CN 2011203841015 U CN2011203841015 U CN 2011203841015U CN 201120384101 U CN201120384101 U CN 201120384101U CN 202235396 U CN202235396 U CN 202235396U
- Authority
- CN
- China
- Prior art keywords
- blood
- medical test
- piston rod
- cylinder body
- blood taking
- 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
- 210000004369 Blood Anatomy 0.000 title claims abstract description 27
- 239000008280 blood Substances 0.000 title claims abstract description 27
- 238000010339 medical test Methods 0.000 title claims abstract description 13
- 238000004166 bioassay Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000003041 laboratory chemical Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002747 voluntary Effects 0.000 description 1
Abstract
The utility model relates to a blood taking needle for medical test, which belongs to medical apparatus and instruments, and is formed by a cylinder body, a needle head and a piston rod, wherein the needle head is arranged on the front end of the cylinder body; and the piston rod is arranged in the cylinder body. The blood taking needle for medical test adopts the technical scheme that: a catheter is arranged on the lower side in the cylinder body and the front end of the piston rod; the lower end of the catheter is in threaded connection with a sample storage pipe; and a check valve is arranged on an intersecting part between the cylinder body and the needle head. The blood taking needle for medical test is simple and convenient to operate, and is safe to use, the problem that blood is exposed on the air so as to be polluted can be effectively avoided, the accuracy of a check result is improved, the safety of a patient is ensured, the complicated operation of blood transfer is reduced simultaneously, and the working efficiency of volunteers is improved.
Description
Technical field:
This utility model belongs to the medical test medical apparatus and instruments, is specifically related to a kind of medical test blood taking needle.
Background technology:
The method of gathering blood in the medical test at present; Generally be directly to extract blood, then the blood transfer that exhausts arrived in vitro, chemically examine again with blood taking needle; Blood is exposed in the air in the process that shifts; Polluted easily, thereby the accuracy of structure is checked in influence, and then influenced doctor's diagnosis.
Summary of the invention:
The purpose of this utility model provides a kind of medical test blood taking needle, and it is simple in structure, easy to operate, safe in utilization, can effectively avoid blood to pollute because of being exposed in the air, has improved the accuracy of assay.
The purpose of this utility model realizes in the following manner: this medical test blood taking needle; Constitute by cylindrical shell, syringe needle and piston rod; Syringe needle is arranged on the front end of cylindrical shell, and piston rod is arranged in the cylindrical shell, and the front end that the technical scheme of employing is the intravital downside of described tube, be in piston rod is provided with catheter; The lower end screw thread of catheter is connected with stored one kind of tubes, and the intersection of cylindrical shell and syringe needle is provided with check valve.
The beneficial effect of this utility model is: this medical test blood taking needle; Set up dismountable liquid storage pipe, can effectively avoid blood in transferring to invisible spectro process, taken place by pollution problems because of being exposed to; Reduce the troublesome operation of blood transfer simultaneously; Promptly make things convenient for medical personnel's work, guaranteed the accuracy of diagnostic result again, and then guarantee patient's safety.
Description of drawings:
Accompanying drawing 1 is the structural representation of this utility model.
The specific embodiment:
With reference to accompanying drawing 1; This medical test blood taking needle is made up of cylindrical shell 1, syringe needle 2 and piston rod 3, and syringe needle 2 is arranged on the front end of cylindrical shell 1; Piston rod 3 is arranged in the cylindrical shell 1; It is characterized in that the downside in the described cylindrical shell 1, the front end that is in piston rod 3 are provided with catheter 5, the lower end screw thread of catheter 5 is connected with stored one kind of tubes 4, and cylindrical shell 1 is provided with check valve 6 with the intersection of syringe needle 2.During use; Pull piston rod 3 sucks the intravital blood of patient in the cylindrical shell 1, and check valve 6 can prevent to get into backflow of blood back stitching 2 place in the cylindrical shell 1; The blood that gets in the cylindrical shell 1 can flow in the stored one kind of tubes 4 through catheter 5; After blood draw is intact, fluid reservoir 4 is taken off, send into the laboratory chemical examination and get final product.
This specific embodiment is easy and simple to handle, safe in utilization; Can effectively avoid blood to pollute, improve the accuracy of assay, guarantee patient's safety because of being exposed in the air; Reduce the troublesome operation of blood transfer simultaneously, improved voluntary personnel's work efficiency.
Claims (1)
1. medical test blood taking needle; Constitute by cylindrical shell (1), syringe needle (2) and piston rod (3); Syringe needle (2) is arranged on the front end of cylindrical shell (1), and piston rod (3) is arranged in the cylindrical shell (1), it is characterized in that the downside in the described cylindrical shell (1), the front end that is in piston rod (3) are provided with catheter (5); The lower end screw thread of catheter (5) is connected with stored one kind of tubes (4), and cylindrical shell (1) is provided with check valve (6) with the intersection of syringe needle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203841015U CN202235396U (en) | 2011-10-11 | 2011-10-11 | Blood taking needle for medical test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203841015U CN202235396U (en) | 2011-10-11 | 2011-10-11 | Blood taking needle for medical test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202235396U true CN202235396U (en) | 2012-05-30 |
Family
ID=46096713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203841015U Expired - Fee Related CN202235396U (en) | 2011-10-11 | 2011-10-11 | Blood taking needle for medical test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202235396U (en) |
-
2011
- 2011-10-11 CN CN2011203841015U patent/CN202235396U/en not_active Expired - Fee Related
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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: 20120530 Termination date: 20141011 |
|
| EXPY | Termination of patent right or utility model |