Positioning indwelling needle used for continuous peripheral nerve blocking and anaesthesia method of the positioning indwelling needle
A technology of peripheral nerves and indwelling needles, applied in the field of anesthesia, which can solve the problems of limited scope of use and inability to use postoperative analgesia, and achieve the effects of fewer complications, improved anesthesia quality and safety, and increased blood flow
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[0025] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0026] see Figure 1-3 , the present invention is composed of two components of a Y-shaped indwelling needle and a nerve positioning needle. The Y-shaped indwelling needle includes a needle holder 1, an indwelling hose 3 and an injection conduit 4 respectively drawn out along the bottom and side surfaces of the needle holder 1, an injection switch clip 5 is installed on the injection conduit 4, and a lifting device is installed at the end of the injection conduit 4. Heparin cap for sealing effect6. The nerve positioning needle includes a needle body 7 that can be inserted into the lumen of the indwelling hose 3 . The needle seat 1 of the Y-shaped indwelling needle is provided with a closure plug 2 , and the needle body 7 is inserted into the lumen of the indwelling hose 3 through the closure plug 2 . The needle body 7 is engraved with a length mark. The ne...
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