Disposable blood taking needle

A lancet, disposable technology, applied in the field of medical devices, can solve problems such as destruction of blood sample cells, blood contamination, cross-infection, etc., and achieve the effect of convenient use and simple structure

Inactive Publication Date: 2010-09-29
孙明杰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This common blood collection needle can be reused, and repeated use of the blood collection needle will cause problems such as cross infection during the blood collection process.
Ordinary blood collection needles are placed in test tubes after blood collection, which can easily cause blood pollution and damage blood sample cells

Method used

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  • Disposable blood taking needle
  • Disposable blood taking needle

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Experimental program
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Effect test

Embodiment Construction

[0012] Accompanying drawing is a kind of specific embodiment of the present invention. This embodiment includes a needle cylinder and a needle holder 2, the needle head 1 is fixed in the needle holder 2, the needle holder 2 is sleeved in the needle cylinder 4, the needle holder 2 is fixed with the needle cylinder 4 through a locking nut 9, The front end of the needle 1 is connected with a detachable needle protective cap 8 . The interior of the syringe 4 is provided with a channel 5 equal in height to the bottom end of the syringe 4 , the upper outer wall of the syringe 4 is provided with anti-slip lines 3 , the outer wall of the lower part of the syringe 4 is set in a test tube with a piston 6 , the syringe 4 It is sealed together with the test tube 7 through the piston 6, and a handle 10 is arranged on the top of the test tube 7.

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PUM

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Abstract

The invention belongs to the technical field of medical appliances, in particular to a disposable blood taking needle, which comprises a needle tube, a needle head and a needle seat. The invention is characterized in that the needle head is fixed in the needle seat, the needle seat is fixed with the needle tube through a locking nut, and the front end of the needle head is connected with a needle head protective cap in a type capable of being disconnected. Thereby, the invention has the advantages of simple structure, convenient use, capability of ensuring the consistent direction of the needle point, blood secondary pollution avoidance and the like.

Description

(1) Technical field [0001] The invention belongs to the technical field of medical devices, in particular to a disposable blood collection needle. (2) Background technology [0002] In the existing blood collection needles, the needle head and the syringe barrel are fixedly connected together. In order to ensure the consistency of the direction of the needle point and the smooth flow of blood vessels in the human body, the blood collection needles have extremely high requirements on the needling techniques of the medical staff. This common blood collection needle can be reused, and repeated use of the blood collection needle will cause problems such as cross infection in the blood collection process. After the ordinary blood collection needle has collected blood, it is placed in the test tube, which is easy to cause blood pollution and destroy blood sample cells. (3) Contents of the invention [0003] In order to make up for the deficiencies of the prior art, the present ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/153
Inventor 孙明杰
Owner 孙明杰
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