CN203724104U - Ejection blood taking needle - Google Patents
Ejection blood taking needle Download PDFInfo
- Publication number
- CN203724104U CN203724104U CN201320844823.3U CN201320844823U CN203724104U CN 203724104 U CN203724104 U CN 203724104U CN 201320844823 U CN201320844823 U CN 201320844823U CN 203724104 U CN203724104 U CN 203724104U
- Authority
- CN
- China
- Prior art keywords
- needle
- blood taking
- ejection
- spring
- taking needle
- 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
- 239000008280 blood Substances 0.000 title claims abstract description 24
- 210000004369 blood Anatomy 0.000 title claims abstract description 24
- 206010011409 Cross infection Diseases 0.000 abstract description 2
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007920 subcutaneous administration Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an ejection blood taking needle. The ejection blood taking needle comprises a needle cylinder, wherein the needle cylinder comprises an ejection cavity and a reset cavity; a reset spring is arranged on the inner side of the head portion of the reset cavity; a through hole is formed in the top end of the reset cavity; a through hole is formed in the tail end of the ejection cavity; an ejection button is movably clamped and connected to the inner edge of the through hole through an ejection spring; the other end of the ejection spring abuts against the wall edge of the reset cavity through a limit piece; the needle cylinder is internally provided with a needle base and a blood taking needle body embedded in the needle base; the needle base comprises a base head spring limit portion and a base tail supporting portion extending out of the base head. The ejection blood taking needle is simple in structure, ejection is convenient, blood can be taken independently, cross infection between patients is completely eradicated, and safety and effectiveness are achieved.
Description
Technical field
This utility model relates generally to medical apparatus field, relates in particular to a kind of blood taking needle that launches.
Background technology
Subcutaneous blood collecting technology is widely used in Clinical Laboratory field, traditional subcutaneous blood sampling puncture adopts the puncture of steel disc pin, without any technique guarantee, its paracentesis depth and puncture speed are all uncontrollable, and very easily cause patient infection, puncture pain, is necessary to provide a kind of disposable use automatic blood-taking needle, in fact to overcome the defect of blood-taking device in prior art.
Utility model content
This utility model object is exactly in order to make up the defect of prior art, and a kind of blood taking needle that launches is provided.
This utility model is achieved through the following technical solutions:
A kind of blood taking needle that launches, include syringe, described syringe includes ejection chamber and reseting cavity, described reseting cavity inner portion is provided with return spring, reseting cavity top is provided with through hole, described ejection chamber tail end has through hole, launch button and be connected to edge in through hole by launching spring active card, the described spring other end that launches is butted on reseting cavity wall edge by banking stop, in described syringe, be provided with needle stand and be embedded in the blood taking needle on needle stand, described needle stand includes a seat spring limiting section and from the extended Zuo Wei of seat support sector, described blood taking needle syringe needle is plugged with envelope core, described envelope core is covered on blood taking needle syringe needle by reseting cavity top through hole.
The described button inner side of launching is also provided with the spacing flange collar of spring.
The utility model has the advantages that:
This utility model is simple in structure, launches conveniently, can take a blood sample by complete independently, and has stopped the cross infection between patient, safe and effective.
Accompanying drawing explanation
Fig. 1 is sectional view of the present utility model.
The specific embodiment
As shown in Figure 1, a kind of blood taking needle that launches, include syringe 1, described syringe 1 includes ejection chamber 2 and reseting cavity 3, described reseting cavity 3 inner portion are provided with return spring 4, reseting cavity 3 tops are provided with through hole, described ejection chamber 2 tail ends have through hole, launch button 5 and be connected to edge in through hole by launching spring 6 active card, described spring 6 other ends that launch are butted on reseting cavity 3 wall edges by banking stop 7, in described syringe 1, be provided with needle stand 8 and be embedded in the blood taking needle 9 on needle stand 8, described needle stand 8 includes a seat spring limiting section 10 and from the extended Zuo Wei of seat support sector 11, described blood taking needle 9 syringe needles are plugged with envelope core 12, described envelope core 12 is covered on blood taking needle 9 syringe needles by reseting cavity 3 top through holes.
Described button 5 inner sides of launching are also provided with the spacing flange collar 13 of spring.
Claims (2)
1. one kind is launched blood taking needle, it is characterized in that: include syringe, described syringe includes ejection chamber and reseting cavity, described reseting cavity inner portion is provided with return spring, reseting cavity top is provided with through hole, described ejection chamber tail end has through hole, launch button and be connected to edge in through hole by launching spring active card, the described spring other end that launches is butted on reseting cavity wall edge by banking stop, in described syringe, be provided with needle stand and be embedded in the blood taking needle on needle stand, described needle stand includes a seat spring limiting section and from the extended Zuo Wei of seat support sector, described blood taking needle syringe needle is plugged with envelope core, described envelope core is covered on blood taking needle syringe needle by reseting cavity top through hole.
2. a kind of blood taking needle that launches according to claim 1, is characterized in that: described in launch button inner side and be also provided with the spacing flange collar of spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844823.3U CN203724104U (en) | 2013-12-19 | 2013-12-19 | Ejection blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320844823.3U CN203724104U (en) | 2013-12-19 | 2013-12-19 | Ejection blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203724104U true CN203724104U (en) | 2014-07-23 |
Family
ID=51194216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320844823.3U Expired - Fee Related CN203724104U (en) | 2013-12-19 | 2013-12-19 | Ejection blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203724104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105640572B (en) * | 2015-01-20 | 2018-08-31 | 广州市酷跑计算机科技有限公司 | A kind of safety type blood collecting needle construction |
-
2013
- 2013-12-19 CN CN201320844823.3U patent/CN203724104U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105640572B (en) * | 2015-01-20 | 2018-08-31 | 广州市酷跑计算机科技有限公司 | A kind of safety type blood collecting needle construction |
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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: 20140723 Termination date: 20141219 |
|
| EXPY | Termination of patent right or utility model |