Multifunctional water needle knife

Abstract

The invention relates to a multifunctional water needle knife. The multifunctional water needle knife includes a blade needle knife part and a sleeve pipe needle knife part; the blade needle knife part is used for point fixing, positioning, separation and stabbing; the sleeve pipe needle knife part is composed of a round-head needle body and a round-head needle core, the round-head needle body ishollow and includes a hollow needle body unit and a round-head needle pin which are connected in sequence, liquid holes are formed in the two side walls of the round-head needle body, a triangle valveconnected with an injection catheter is arranged on the tail portion of the hollow needle body unit, a valve port is connected with an injection apparatus and a negative-pressure suction device, andthe round-head needle body is used for drug injection or suction washing; and the round-head needle core comprises a needle knife handle, a hand-held unit, a needle knife body and a needle pin unit, is arranged inside the round-head needle body and can close the liquid holes in the round-head needle body. The multifunctional water needle knife has the advantages that needle knife release surgerieson joints, nerve roots, muscular fasciae and the like can be achieved, namely blunt release, focus clearance, clogged-part dredging, drug irrigation, local anesthesia and the like are achieved, patient's pain, operation difficulty and tissue damage are reduced, operation is convenient, and the safety is high.

Description

technical field [0001] The invention relates to the technical field of medical minimally invasive surgical instruments, in particular to a multifunctional water needle knife. Background technique [0002] Acupuncture knife is a new type of medical device that integrates acupuncture needles and scalpels. Acupuncture knife therapy is an original minimally invasive technique of traditional Chinese medicine in my country. Through several generations of clinical practice and exploration, acupotomy medical theory system has gradually formed. It plays an important role in the diagnosis and treatment of soft tissue pain and bone and joint diseases. Acupuncture medicine believes that "scar, adhesion, contracture, and blockage" are the four major pathological factors of chronic soft tissue pain and bone and joint diseases. According to the procedures, different surgical methods and knife methods are selected to incise scars, loosen adhesions, separate contractures, unblock blockages, ...

AI Technical Summary

Problems solved by technology

Since the small needle knife is operated in the affected area, the depth of needle insertion is not easy to control, which can easily cause accidental injury to the blood vessel during the operation, and the postoperative bleeding is unknown, resulting in secondary infection, and the medicine cannot pass through the small area. Needle-knife directly into the affected area

Therefore, the existing small needle knife has defects such as imperfect function, narrow treatment range, and low safety and reliability.

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