Protecting mechanism special for vein blood lancet

Abstract

The invention discloses a protecting mechanism special for a vein blood lancet. The special protecting mechanism comprises a hollow return protecting cap with two opening ends, wherein a needle handleclamp strip connected with a needle clamp is arranged in a cavity of the return protecting cap, a non-return cap is arranged below the return protecting cap, and the bottom end of the return protecting cap is inserted into the non-return cap. The protecting mechanism is convenient to operate, and a main body structure is not changed, so that the problems of complicated operation instructions, inaccurate use, special use habits and the like do not need to be considered before use; the operation habit is not changed after use, and the simple design can be used for completely replacing common vein blood lancets and has wide applicability; the structure is simple, an added part is clamped to a blade part of the needle handle in a sleeving manner, the main body structure of the vein blood lancet is not changed, the risk is minimal, clinical safe return protection can be easily realized, and an adsorption material at the front end of the return protecting cap can absorb residual blood afterthe needle is drawn out, so that the complete protection is realized; and the mechanism is not in contact with the internal structure of the blood lancet, so that the consistency between the device and the blood lancet is not increased, and the toxicity risk is not increased.

Description

technical field [0001] The invention relates to a medical device, in particular to a mechanism specially used for protecting venous blood collection needles. Background technique [0002] Blood collection needles are disposable medical consumables in the medical field. Among them, the venous blood collection needle with flexible tube is widely used in clinical departments because of its advantages such as easy to hold when the needle handle blade is operated, easy to observe the blood return through the flexible tube, and easy to puncture and pull out the blood collection tube at the distal end of the puncture bottle. [0003] The management regulations of medical institutions require blood collection operators to protect the puncture needle tip after completing the blood collection operation to prevent the risk of re-stab injury and blood source contamination. The traditional method is: put the plastic sheath of the blood collection needle back on the cover, this operation...

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is that the protection of the existing venous blood collection needles is either complex in structure and difficult to realize, or the protection cannot be completely realized in structure, and its purpose is to provide a mechanism dedicated to the protection of venous blood collection needles, The structure of the mechanism is simple, it can realize the complete protection of the venous blood collection needle, and it is easy to operate, and the risk of the operator is the lowest

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