Needle holder of blood taking needle

Abstract

The present invention is a blood collection needle holder, which comprises a sleeve, a blood collection needle connection seat, the blood collection needle connection seat is movably installed on the sleeve end surface recessed between two fixed ear seats at the front end of the sleeve, and the sleeve end surface is also provided with There is a central through hole and several cylinders protruding forward. The connecting seat of the blood collection needle is a rectangular frame with an elastic card in the middle. The elastic card for fixing the blood collection needle is arranged in the rectangular frame. The symmetrical elastic cards are on the protruding cylinder. Under the positioning, the blood collection needle fixing ring is formed, and the blood collection needle is connected and fixed at the front end of the sleeve. After the blood collection is completed, push the blood collection needle connection seat, the semicircular snap ring of the elastic card breaks away from the limit, and automatically opens, so that the blood collection needle can be conveniently and quickly separated from the blood collection needle connection seat with one hand. The invention has reasonable structure, convenient loading and unloading of the blood collection needle, simple operation, avoids cross-infection caused by accidental stabbing of the needle, and has good safety.

Description

technical field [0001] The invention relates to a medical device, in particular to a needle holder for a blood collection needle. Background technique [0002] We know that blood collection and application are important medical activities, and blood collection needles and blood collection tubes are essential and important equipment. In the past, traditional syringes were commonly used to draw blood, and then transferred to blood collection tubes for inspection and other operations; in recent years, one-step direct blood collection with vacuum tubes has become a more advanced blood collection method. Vacuum tube one-step direct blood collection adopts three sets of blood collection equipment including double-ended blood collection needle, needle holder and vacuum blood collection tube. The existing needle holder mainly includes a blood collection needle connection seat and a hollow blood collection tube sleeve. The blood collection needle connection seat is located at the fr...

AI Technical Summary

Problems solved by technology

After the blood collection is completed, both hands must be operated at the same time to separate the needle holder from the double-ended blood collection needle and dispose of the blood collection needle. The operation is cumbersome and complicated, and the exposed needle also has great unsafe factors

And if the needle holder and the blood collection needle are not separated, the two sets are processed at the same time, and the needle holder can only be used once like the blood collection needle, which greatly increases the cost of blood collection

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