Safety indwelled needle with wings for venous transfusion

A safe technology for intravenous infusion, applied in the direction of needles and instruments introduced into the body, etc., can solve the problems of needle exposure, infection and disease, and susceptibility to acupuncture injuries, etc., and achieve the effect of simple structure and low cost
CN1569268AInactive Publication Date: 2005-01-26ZHEJIANG KINDLY MEDICAL DEVICES
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG KINDLY MEDICAL DEVICES
Publication Date
2005-01-26
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

A safety type intravenous transfusion retention needle with wings is provided, which comprises puncture assembly, retention cannla assembly, a needle protection cap and a safety casing. The puncture assembly consists of puncture needle wings and puncture needle tubing. The retention assembly comprises a three-way rest, a soft tube, a joint, a sealing member and a retention cannula. The protection casing is a tubular casing, with a lock groove for positioning the root of the puncture wings is provided on the rear end of the casing, in addition, a guiding groove is cut along with the said safety casing length direction from the front end of the locking groove. The front end of the safety casing is connected with the first interface of said three-way rest and the root of the puncture needle wings is set inside of said guiding groove of the protection casing. The present invention can heal the needle in the safety protection casing in the needle tubling pulling out process, which enables the medical care personnel away from the infection of contagious disease due to the puncture accident. The invention has simple and compact structure and low cost.
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Description

technical field

[0001] The invention relates to a disposable medical appliance, in particular to a safe intravenous transfusion indwelling needle used in clinical medicine. Background technique

[0002] Existing indwelling needles for intravenous infusion generally include a puncture needle and an indwelling cannula covered on the puncture needle, and the indwelling cannula is used for intravenous infusion of medicinal liquid to the patient. Because the soft indwelling sleeve is extremely flexible, when the indwelling sleeve is placed in the vein, the indwelling sleeve will bend synchronously with the vein, so that the injection site can still move freely without the risk of puncturing the vein. Therefore, the indwelling needle for intravenous infusion is safer to use and reduces the discomfort of the patient during use.

[0003] However, after the puncture of the indwelling needle for intravenous infusion is completed, the shielding of the puncture needle becomes a big pro...

Claims

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