CN2335570Y - Disposable test tube type blood sampler - Google Patents
Disposable test tube type blood sampler Download PDFInfo
- Publication number
- CN2335570Y CN2335570Y CN 98201225 CN98201225U CN2335570Y CN 2335570 Y CN2335570 Y CN 2335570Y CN 98201225 CN98201225 CN 98201225 CN 98201225 U CN98201225 U CN 98201225U CN 2335570 Y CN2335570 Y CN 2335570Y
- Authority
- CN
- China
- Prior art keywords
- test tube
- blood
- puncture needle
- rubber plug
- sealing rubber
- 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 provides a disposable test tube type blood sampler, and the basic structure of the utility model is composed of a puncture needle, a sealing rubber plug and a test tube, and the puncture needle, the sealing rubber plug and the test tube are inserted and connected together. The sealing rubber plug is provided with a through hole and a socket connected with a hose tube. The puncture needle is connected with the sealing rubber plug through the hose tube, and the hose tube is provided with a clamp which can block the hose tube. The test tube can be pretreated into the condition of negative pressure and also compressed into the condition of negative pressure before operation. When the utility model is operated and the puncture needle is punctured into a vein, the clamp needs to be loosened after blood running back is observed. Blood can be drawn out by using the negative pressure of the test tube. Taking off the sealing rubber plug of the test tube is only needed when blood chemical examination is carried out, and other kinds of operation are as the same as the operation of other conventional test tubes.
Description
This utility model relates to a kind of test tube formula blood specimen collection device, is particularly useful for the disposable blood sampling operation of health check-up in enormous quantities, chemical examination, belongs to medical apparatus and instruments.
The disposable blood taking device tool of present domestic patent application reported in literature is many based on disposable syringe, remove piston after extracting blood out, make test tube with injector syringe, bring a lot of troubles for like this blood sampling operator, do not meet laboratory personnel's practical operation custom yet, the like product of external import adopts the duplex pin to add negative pressure test tube structure, test tube anticipated make into negative pressure, the deficiency that exists is a duplex needle stand one up and down, syringe needle level when blood sampling test tube is horizontal positioned also, can't observe blood back and accurate control blood sampling volume, judge puncture needle whether through in the blood vessel entirely by rule of thumb, be difficult for grasp.Application number is 90217765, name is called disclosing plastic test tube and the bonded hemospast of blood collection needles in first to file of " disposable squash type hemospast ", reduced the manufacturing cost of anticipating the negative pressure test tube, but its basic ideas still are test tube to be connected with the syringe needle vertical fixing, and the problem of unresolved observation blood back and control blood sampling volume, also cumbersome from the structure making.
The purpose of this utility model is to provide a kind of disposable test tubular type blood specimen collection device of handled easily, makes blood sampling and chemical examination make things convenient for combination, can increase work efficiency greatly.
The technical solution of the utility model is achieved in that this test tube formula blood specimen collection device, its basic structure is pegged graft by puncture needle, sealing plug and test tube and is formed, the sealing plug is provided with through hole and reaches and hose connection socket, puncture needle is connected with the sealing plug through flexible pipe, and flexible pipe is provided with the clamp of flexible pipe capable of blocking.
The test tube useable glass of described disposable test tubular type blood specimen collection device is made, and heat treated makes in advance becomes negative pressure also with rubber stopper of the present utility model and clamp sealing, unclamps clamp during use and gets final product.
The test tube of described disposable test tubular type blood specimen collection device also can adopt elastic apparent material to make, and interim extruding makes into negative pressure during operation.
The clamp that is used to block flexible pipe in the described disposable test tubular type blood specimen collection device also can be located at needle handle.In order to prevent the adhesion between the storage life of rubber stopper through hole, can also be in through hole suit one plastic straw socket.
This utility model has provided the type of service of two kinds of negative pressure test tubes, and a kind of is the teat glass of handling through negative pressure in advance, clamp is unclamped after vein is observed blood back when puncture needle penetrates into during operation, utilizes the test tube negative pressure to extract blood out; Another kind of elasticity test tube for the transparent plastic material making, the extruding test tube makes into negative pressure before the blood sampling operation, and with flexible pipe and test tube blocking-up, other operation is identical with first kind with clamp, only the rubber stopper of test tube need be taken off when carrying out blood testing, other is identical with common tube manipulation.Use for convenience and make, clamp of the present invention has also been selected two kinds of forms, promptly establishes common clamp or directly open draw-in groove at needle handle on flexible pipe, during operation the flexible pipe revolution is stuck in the draw-in groove.Disposable test tubular type blood specimen collection device is owing to used hose construction, blood sampling operation intuitive and convenient, the chemical examination operation also meets general laboratory personnel's custom, can improve blood sampling and chemical examination speed greatly, simultaneously greatly reduced manufacturing cost, be suitable for producing in enormous quantities and disposable use.
Describe technology contents of the present utility model in detail below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of disposable test tubular type blood specimen collection device
Among the figure: 1, negative pressure test tube 2, sealing plug 3, puncture needle 4, clamp 5, flexible pipe,
Claims (1)
1. disposable test tubular type blood specimen collection device, its basic structure is pegged graft by puncture needle (3), sealing plug (2) and test tube (1) and is formed, it is characterized in that sealing the socket that plug is provided with through hole and is connected with flexible pipe (5), puncture needle is connected with the sealing plug through flexible pipe (5), and flexible pipe is provided with the clamp (4) of flexible pipe capable of blocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98201225 CN2335570Y (en) | 1998-02-13 | 1998-02-13 | Disposable test tube type blood sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98201225 CN2335570Y (en) | 1998-02-13 | 1998-02-13 | Disposable test tube type blood sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2335570Y true CN2335570Y (en) | 1999-09-01 |
Family
ID=33958574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98201225 Expired - Fee Related CN2335570Y (en) | 1998-02-13 | 1998-02-13 | Disposable test tube type blood sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2335570Y (en) |
-
1998
- 1998-02-13 CN CN 98201225 patent/CN2335570Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |