Biopsy device
A technology of a biopsy device and a safety device, applied in the direction of a trocar and the like, can solve the problems of operator error, imperfect structure and function, and reduced efficiency of biopsy operation, etc.
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[0041] A biopsy device of the present invention preferably includes: a needle tube, a needle tube seat, a handle, a handle cover, a safety device, a needle core and a firing switch; the handle cover is fixed to the upper surface of the handle, and the needle tube is fixed to At the bottom of the needle tube seat; the handle has circular holes on both sides that can pass through fingers, a slideway is provided between the two circular holes, and a positioning card is provided on the slideway; the needle tube seat can Slidingly limited on the slideway, and the side of the needle tube seat close to the slideway is provided with a positioning part corresponding to the positioning card; a spring guide post is fixed on the top of the handle, and the spring guide post is connected to the A spring is installed between the needle tube seats, and the needle core is passed through the spring guide column, the spring, the needle tube seat and the needle tube; the trigger switch is fixed on...
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