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Blood taking needle preventing secondary needling

A blood collection needle and acupuncture technology, which is applied in the field of blood collection needles, can solve the problems of pollution, blood dripping, etc., and achieve the effect of avoiding dripping, reducing personal safety hazards, and beautiful appearance

Inactive Publication Date: 2019-11-01
李勇清
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the technical problem that the existing disposable blood collection needle may cause pollution caused by blood dripping

Method used

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  • Blood taking needle preventing secondary needling
  • Blood taking needle preventing secondary needling
  • Blood taking needle preventing secondary needling

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Embodiment Construction

[0034] Below in conjunction with accompanying drawing and specific embodiment the present invention will be described in further detail:

[0035] see Figure 1 to Figure 9 , the present invention provides a blood collection needle for preventing secondary acupuncture, comprising a needle tube base 1, a needle tube 2 arranged at the front end of the needle tube base 1, a handle base 3 connected to the rear end of the needle tube base 1, and a needle tube sleeve movably sleeved on the needle tube base 1 The sliding sleeve 4 and the needle tube sheath 5 sleeved on the needle tube 2, the needle tube base 1 is connected with the blood collection tube puncture needle 7 through the blood collection catheter 6, and the sliding sleeve 4 and the needle tube base 1 make the sliding sleeve 4 moves relative to the needle tube base 1, the sliding mechanism includes a sliding groove 8 and a sliding block 9, the sliding block 9 is matched and embedded in the sliding groove 8, and the sliding ...

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Abstract

The invention belongs to the technical field of medical apparatuses, and discloses a blood taking needle preventing secondary needling. The blood taking needle comprises a needle tube seat, a needle tube arranged at the front end of the needle tube seat, a handle seat connected to the rear end of the needle tube seat, a sliding sleeve which is movably arranged on the needle tube seat in a sleevingmanner and a needle tube sheath arranged on the needle tube in the sleeving manner, wherein a sliding mechanism is arranged between the sliding sleeve and the needle tube seat, so that the sliding sleeve can move relative to the needle tube seat; the sliding mechanism comprises a sliding groove and a sliding block; the sliding block is arranged in the sliding groove in a matching and embedding manner; the sliding block moves in the sliding groove in the track direction from the head end to the tail end of the sliding groove; the track of the sliding groove is a smoothed curve formed by sequential connection of at least two line segments; an inclined angle gamma is formed between every two adjacent line segments; an elastic piece assembly is arranged on the sliding sleeve; and a front clamping device and a rear clamping device which are matched with the elastic piece assembly are separately arranged at the front part and the rear part of the needle tube seat. Through the adoption of the blood taking needle disclosed by the invention, external dripping and polluting of residual blood can be avoided, the medical care safety is improved, and personal safety hidden danger is reduced.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a blood collection needle for preventing secondary acupuncture. Background technique [0002] A blood collection needle is an instrument used to collect blood samples in the medical examination process. It is a disposable product. Its structure usually includes an input needle seat, a blood collection needle, an output needle seat and a hose. The blood collection needle is arranged on the input needle seat. The output needle seat communicates with the input needle seat through the flexible tube, and in addition, the output needle seat is connected with the collecting tube. This kind of blood collection needle, after the blood collection needle needles the patient and pulls out the blood collection, the blood collection needle is not processed, and the blood collection needle is exposed to the outside. If it is not handled properly, it is very easy for the bloo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/153
CPCA61B5/150564A61B5/153
Inventor 李勇清
Owner 李勇清
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