CN201564482U - Disposable test-tube blood collection needle - Google Patents
Disposable test-tube blood collection needle Download PDFInfo
- Publication number
- CN201564482U CN201564482U CN2009202809725U CN200920280972U CN201564482U CN 201564482 U CN201564482 U CN 201564482U CN 2009202809725 U CN2009202809725 U CN 2009202809725U CN 200920280972 U CN200920280972 U CN 200920280972U CN 201564482 U CN201564482 U CN 201564482U
- Authority
- CN
- China
- Prior art keywords
- needle
- syringe
- disposable test
- push rod
- joint
- 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 a medical instrument, particularly a disposable test-tube blood collection needle. The blood collection needle comprises a needle head and a needle cylinder which are connected with each other, and a plunger and a push rod are arranged in the needle cylinder. The blood taking needle is characterized in that the outer wall of the upper end of the needle cylinder is connected with a joint fixing the needle head; a circular hole is formed at the bottom end of the needle cylinder; the needle cylinder is in threaded connection with the joint; the plunger is in threaded connection with the push rod; the diameter of the circular hole is equal to that of the push rod; and a layer of seal tape is additionally arranged at the threaded joint of the needle cylinder and the needle head. After being collected by the disposable test-tube blood collection needle, only the blood sample can be required to be directly tested without transfer, so that the blood is prevented from spilling out, and the test tube can be saved, thereby bringing convenience to people.
Description
(1) technical field
This utility model relates to a kind of medical apparatus and instruments, particularly a kind of disposable test blood sampling tube pin.
(2) background technology
Present employed blood taking needle, usually adopt disposable syringe, must forward blood sample to chemical examination usefulness in vitro just can chemically examine again behind the intact blood sample of this syringe collection, when shifting, may take place to spatter outside the blood, cause waste also might pollute.
(3) summary of the invention
This utility model provides a kind of disposable test blood sampling tube pin that need not shift blood sample in order to remedy the defective of prior art.
This utility model is achieved by the following technical solution:
A kind of disposable test blood sampling tube pin comprises the syringe needle and the syringe that are connected, is provided with piston and push rod in the syringe, it is characterized in that: syringe upper end outer wall connects the joint of a fixed needle, and the bottom of syringe is provided with a circular hole.
This disposable test blood sampling tube pin, syringe is connected by screw thread with joint, and piston is connected by screw thread with push rod, and the diameter of circular hole equals the diameter of push rod, and one deck band is set up in the threaded connection place of syringe and joint.
The beneficial effects of the utility model are: this disposable test blood sampling tube pin, having gathered does not need to shift blood sample behind the blood sample and can directly chemically examine, and avoids blood to spatter outward, and can save the test tube of chemical examination usefulness, brings convenience to people.
(4) description of drawings
Below in conjunction with accompanying drawing this utility model is further described.
Accompanying drawing 1 is the cross-sectional schematic of this utility model disposable test blood sampling tube pin.
Among the figure, 1 syringe needle, 2 joints, 3 syringes, 4 pistons, 5 push rods, 6 bands, 7 circular holes.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This disposable test blood sampling tube pin comprises the syringe needle 1 and the syringe 3 that are connected, is provided with piston 4 and push rod 5 in the syringe 3, it is characterized in that: syringe 3 upper end outer walls connect the joint 2 of a fixed needle 1, and the bottom of syringe 3 is provided with a circular hole 7.
This disposable test blood sampling tube pin, by syringe needle 1 that blood specimen collection is intact earlier, because syringe 3 and joint 2 are connected by screw thread, can directly joint 2 be removed after having gathered blood sample, piston 4 and push rod 5 are connected by screw thread, and the diameter of circular hole 7 equals the diameter of push rod 5, push rod 5 can be taken out in circular hole 7, piston 4 is placed on bottom in the syringe 3, and syringe 3 test tube that promptly can be used as chemical examination usefulness uses like this, will the blood sample transfer.Set up one deck band 6 in the syringe 3 and the threaded connection place of joint 2, can guarantee syringe 3 and the seal that joint 2 is threaded, guaranteed this blood taking needle reliability in use.
Claims (5)
1. disposable test blood sampling tube pin, comprise the syringe needle (1) and the syringe (3) that are connected, be provided with piston (4) and push rod (5) in the syringe (3), it is characterized in that: syringe (3) upper end outer wall connects the joint (2) of a fixed needle (1), and the bottom of syringe (3) is provided with a circular hole (7).
2. disposable test blood sampling tube pin according to claim 1 is characterized in that: syringe (3) is connected by screw thread with joint (2).
3. disposable test blood sampling tube pin according to claim 1 is characterized in that: piston (4) is connected by screw thread with push rod (5).
4. disposable test blood sampling tube pin according to claim 1 is characterized in that: the diameter of circular hole (7) equals the diameter of push rod (5).
5. disposable test blood sampling tube pin according to claim 1 is characterized in that: syringe (3) is set up one deck band (6) with the threaded connection place of joint (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202809725U CN201564482U (en) | 2009-12-18 | 2009-12-18 | Disposable test-tube blood collection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202809725U CN201564482U (en) | 2009-12-18 | 2009-12-18 | Disposable test-tube blood collection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201564482U true CN201564482U (en) | 2010-09-01 |
Family
ID=42656762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202809725U Expired - Fee Related CN201564482U (en) | 2009-12-18 | 2009-12-18 | Disposable test-tube blood collection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201564482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108567435A (en) * | 2018-03-12 | 2018-09-25 | 程聪 | A kind of hematology's blood processor |
-
2009
- 2009-12-18 CN CN2009202809725U patent/CN201564482U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108567435A (en) * | 2018-03-12 | 2018-09-25 | 程聪 | A kind of hematology's blood processor |
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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: 20100901 Termination date: 20101218 |