Anti-puncture device for disposable needle

Abstract

The invention relates to an anti-puncture device for a disposable needle, which comprises a needle cap, a puncture needle, a handle, a needle handle holder and a drainage hose, wherein the puncture needle is fixed at the upper end of the needle handle holder, the drainage hose is hermetically fixed at the lower end of the needle handle holder, the handle is arranged on the side surface of the needle handle holder, the needle cap is sheathed on the puncture needle, a sliding jacket is arranged on the drainage hose, and the sliding jacket is provided with a sliding opening for the penetration of the handle. When the puncture needle is pulled out, the sliding jacket can slide upwards along the drainage hose by simply pinching the sliding jacket by hand and pushing upwards, the sliding opening arranged on the sliding jacket can keep the sliding jacket away from the handle, and the sliding jacket covers the puncture needle, thereby effectively preventing the puncture needle from puncturing others by mistake, eliminating accidental puncture of the puncture needle happening to medical personnel, and ensuring that medical personnel and medical garbage disposal personnel can not be subjected to cross infection of blood transmitted diseases caused by accidental puncture of a needle with blood transmitted diseases.

Description

【Technical field】

[0001] The invention relates to a disposable medical transfusion device, in particular to a disposable needle stab-proof device. 【Background technique】

[0002] In daily medical activities such as infusion, blood transfusion, hemodialysis, blood drawing, and blood donation, medical personnel must use disposable needles with drainage tubes. When suffering from blood-borne diseases, medical staff will increase the chance of infection. Existing disposable needles with drainage tubes have two structures, the first is a single-handle structure such as figure 1 , mainly used for infusion and blood drawing. The second is a double handle structure such as figure 2 As shown, it is mainly used for hemodialysis and blood donation. They all include a needle cap 1, a puncture needle 2, a handle 3, a needle handle seat 4 and a liquid introduction hose 5, and the puncture needle 2 is fixed on the upper end of the needle handle seat 4, and the liquid introduction hose...

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