Marrow cavity puncture driving device
A driver and intramedullary cavity technology, applied in puncture needles, suction instruments, trocars, etc., can solve the problems of peripheral vein contraction and collapse, affecting the implementation of resuscitation, and difficulty in puncturing, and achieves easy to master in a short time, easy to master, and easy to operate. simple effect
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[0008] see figure 1 , the puncture needle plug (1) is in front of the outer rotating part (2), and is used to connect the bone marrow cavity puncture needle, and the inner chamber of the outer rotating part (2) has threads to match the threads on the threaded screw (5), and can be Rotate and slide on the threaded lead screw (5), there is a return spring (4) outside the threaded lead screw (5), between the outer rotating part (2) and the check gear (6), and the threaded lead screw (5) There is a check gear (6) at the rear end, one end of the check plate (8) is embedded on the shell (3), the other end of the check plate (8) is lapped on the teeth of the check gear (6), and the spring The sheet (7) is pressed on the non-reverse sheet (8), and the handle (9) and the shell (3) support the rear end of the threaded screw (5) together.
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