CORE BIOPSY NEEDLE UNITS FOR USE WITH AUTOMATED BIOPSY GUNS.

摘要

core biopsy needles for automatic biopsy gun. the system is comprised of a solid needle needle (10) having an elongated slot (14) near its end. a guard (18) is attached to the other end of the needle (10).an elongated tube (14) is placed on the tip of the needle (10) with the slot so that the needle (10) slides longitudinally within the cannula (14). a second guard (20) is securely attached to the first end of the cannula (14) and (18) of the needle (10) is provided with a coupling means.the needle guard (18) and second (20) placed on the cannula (14) are designed to engage in the respective cavities for receiving an automatic biopsy gun.the coupling means (18) for the needle (10), a trigger activated with the reliable and coupling the receiving cavity (18) in which the needle (10) of the housing.in addition, a mechanism that allows the activation and the activation of the needle (10) and the cannula (14) in the desired position and orientation for insertion into the receiving cavity to an automatic biopsy gun.the mechanism is triggered when the needle is properly housed in the biopsy gun to allow telescopic movement of the needle (10) in the tube (14).