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safety lancet

A lancet and safe technology, applied in the field of safe lancet, can solve the problems of low safety and aggravate the pain of patients, and achieve the effects of improving safety, reducing pain and avoiding use.

Active Publication Date: 2015-09-09
SHANGHAI JINTA MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a blood collection needle with higher safety and less pain for patients in order to overcome the defects of the prior art that are less safe and easily aggravate the pain of patients.

Method used

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Embodiment Construction

[0033] The present invention will be further described by way of examples below, but the present invention is not limited to the scope of the examples. figure 1 It is a schematic diagram of the structure of the safety lancet of this embodiment, figure 2 for figure 1 A cross-sectional view along A-A, such as Figure 1~2 As shown, the safety lancet involved in this embodiment includes: a needle seat 1, a needle cover 2, a tube 4, a straight needle 12, a straight needle handle 14, a protective cover 3, a needle 6 and a slider 5, and a needle cover 2 sets The needle holder 1 is arranged on the needle 6, and the needle holder 1 is in the shape of a cylinder with open ends. One end of the needle holder 1 is communicated with the tube 4 through the protective sleeve 3, and a needle 6 is installed at the other end. Both ends of the hose 4 are respectively communicated with the straight needle 12 and the needle hub 1.

[0034] The protective cover 3 is close to the sliding member 5, and ...

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PUM

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Abstract

The invention discloses a safety blood taking needle. The safety blood taking needle comprises a needle seat, a needle sleeve, a hose, a straight needle, a straight needle handle and a needle head, wherein the needle sleeve is sleeved on the needle head, two ends of the hose are respectively communicated with the straight needle and the needle seat, the straight needle handle is arranged on the junction of the straight needle and the hose, and the safety blood taking needle also comprises a protection sleeve, a slide piece and a limiting mechanism, wherein the needle seat is in a cylindrical shape, one end of the needle seat is fixed and communicated with the needle head, and the other end is connected with the hose; the slide piece is in a cylindrical shape with two opened ends and movably sleeved on the needle seat; the axial length of the needle seat is greater than the length of the needle head; the limiting mechanism is arranged on the slide piece and the needle seat and used for fixing the slide piece on the needle seat after the slide piece slides to completely shield the needle head; the protection sleeve is slightly attached to the slide piece and fixedly sleeved on the needle seat. The slide piece slides on the needle seat to shield the needle head, so that the safety for processing the needle head after taking the blood can be greatly improved; by avoiding the application of a spring-type needle head, the pain of a patient can be alleviated.

Description

Technical field [0001] The invention relates to a safety blood sampling needle. Background technique [0002] The blood sampling and testing technology is quite mature, but it has not reached the goal of drawing conclusions from the patient’s body. The blood sampling needle and blood sampling tube are required to complete the initial process of the test. Therefore, the blood sampling needle is currently the world's largest sales volume. One of the medical device products. However, it is worth noting that at present, there are millions of human injuries to blood collection needles caused by broken needles or improper operation of medical staff in hospitals around the world every year. Statistics released by the American Medical Association show that in the United States alone, there are about 1 million medical staff accidentally punctured by lancets each year, and at least a thousand of them will be infected by the hepatitis B virus, hepatitis C virus and HIV attached to the need...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/154
Inventor 毛春元
Owner SHANGHAI JINTA MEDICAL
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