Needle protection device for blood collection needle

Abstract

The invention relates to the field of blood lancets, in particular to a needle tip protection device of a blood lancet. The needle tip protection device of the blood lancet comprises a sliding part and a support part, wherein the sliding part is provided with a through cavity; the through cavity is attached to a hub in a sliding manner; a groove body extends on a side wall of the through cavity from the edge in a length direction; the groove body comprises a first accommodating groove, a first clamping structure and a sliding channel; a handle is arranged on the hub; the first clamping structure permits the handle to move from the sliding channel to the first accommodating groove and the sliding part coats the outside of a needle tip after the handle moves in place; the support part comprises an open end; two flanges are arranged on two edges of the open end, penetrate through the groove body and protrude out of the sliding part; and the two flanges are used for opening the first clamping structure at the position of the first clamping structure, so that the handle moves from the first accommodating groove to the sliding channel. Through the needle tip protection device of the blood lancet provided by the invention, protection of the blood lancet in a transport process and after use can be effectively achieved, the risk that nursing staff are stabbed is reduced, and meanwhile,the pollution situation can also be avoided.

Description

technical field

[0001] The invention relates to the field of blood collection needles, in particular to a needle protection device for blood collection needles. Background technique

[0002] At present, the technology of using a blood collection needle to collect blood from a patient and test it is widely used in hospitals.

[0003] The traditional blood collection needle is protected by a protective sleeve before use, and is cleaned and sealed by a sealed bag to ensure a high degree of cleanliness. The setting of the protective sleeve can prevent the needle from piercing the sealed bag and stabbing the nursing staff. When taking blood, the nurse pulls out the protective cover of the needle to puncture the blood collection. Due to the negative pressure in the blood collection tube, the blood automatically flows into the blood collection tube; Throw used lancets into the sharps storage box. During the above process, since the needle has been exposed in the air, the nursing ...

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