Dividing cut-off clip for safety vein puncture needle

Abstract

The invention discloses a dividing cut-off clip for a safety vein puncture needle. The dividing cut-off clip consists of a button, blades, a barrel and a base. The blades are respectively spliced at both sides of a pressing plate at the lower end of the button, and then, are inserted into the barrel, so that ring teeth and limit teeth of the barrel are interlocked; the base is buckled with a slot at the lower end of the barrel in the direction of the long axis of an arc-shaped groove, and transversal bulges at both sides of a surface bulge of the base are mutually jogged with grooves. The windowing lacings of an infusion hose and a dividing tube are buckled between the slot at the lower end of the barrel and the arc-shaped groove of the base in position. The button is rotated for 90 degrees and is pressed, so that the pressing plate is moved downwards, and the cutting edges of the blades interact with a bulge platform of the base to cut off the dividing tube; the infusion hose is constricted to be closed by the arc-shaped groove on the bottom face of the pressing plate and the arc-shaped groove of the base. Under the action of an external spring force, the vein puncture needle is rapidly separated from a blood vessel and is retracted into a protective casing to be shielded and protected. According to the dividing cut-off clip disclosed by the invention, the vein puncture needle can be protected and the infusion hose can be cut off with single hand by one-time action. The dividing cut-off clip has a safety insurance structure and has the characteristics that simplicity, practicability, safety and reliability are high, the efficiency is improved and ailments are relieved.

Description

(1) Technical field [0001] The invention relates to a medical device, in particular to a cut-off clip used for comprehensive protection of a safety venipuncture needle. (2) Background technology [0002] In the process of collecting, analyzing and testing the substances in the venous blood vessels to understand the physiological or pathological state of the human body; or infusing the medicinal liquid into the venous blood vessels to reach the whole body, in the process of testing and treatment to play, compensate, replace and treat, it is necessary The venipuncture needle is involved in the damaged veins of the human body, and a temporary channel from the outside to the inside of the blood vessel is established to achieve the above behaviors. [0003] At present, various venipuncture needles (infusion needles, blood transfusion needles, blood collection needles, biopsy needles, indwelling needles, etc.) used at home and abroad can meet the above requirements, but there are ...

AI Technical Summary

Problems solved by technology

[0003] At present, various venipuncture needles (infusion needles, blood transfusion needles, blood collection needles, biopsy needles, indwelling needles, etc.) used at home and abroad can meet the above requirements, but there are also serious shortcomings and defects: , the needle tip of the venipuncture needle is exposed outside, and the needle tip that touches the patient's blood often causes acupun...

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