A lumbar puncture needle for improving the safety of operation

The utility model discloses a kind of to improve the safety of the lumbar puncture needle for operations, including the connection pipe, described connecting pipe on one side of the wall fixed connection with collecting pipe, sliding inside mentioned collection tube sealing plate is connected, described the seal plate on the other side wall fixed connection with push rod, described in the push rod at the other end a drawing board, throughout the collection tube and fixed connection plate on the other side drawing described fixed connection TAB, The other end of the connecting pipe is fixedly connected with a cannula, the other end of the cannula is sleeved with a cannula, the cannula is located inside the cannula, the other end of the cannula is fixedly connected with a liquid needle, the cannula is fixedly connected with a disk near the end of the connecting pipe. The utility model can control the flow of cerebrospinal fluid by setting a valve, so as to avoid instantaneous outflow of cerebrospinal fluid when the needle is pulled out, thus avoiding cerebral hernia.

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