Biopsy device
A technology of biopsy device and safety device, applied in the direction of trocar, etc., which can solve the problems that the needle tube cannot perform multiple operations, patient injury, imperfect structure and function, 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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