A biopsy device, an injection device for injecting the biopsy device, and a biopsy device equipped with these.

摘要

Provided are a biopsy device, an injection device, and a biopsy device capable of collecting a biological sample in a non-lethal and well-preserved state without human operation. The biopsy device 1 includes a needle member 51, a needle member accommodating body 53, a housing 57 including a stopper portion 55, a biopsy device 19 provided with a drive mechanism for pulling the needle member 51 into the needle member accommodating path 53B, and a needle. It is provided with an injection device 5 for injecting the biopsy device 19 with the unit 67 facing the sampling object. When the sampling target is detected, the biopsy device 19 is ejected. When the sharp portion 71 of the needle member 51 pierces the sampling object and then the contact surface 55A of the stopper portion 55 collides with the sampling object, the needle member 51 is pulled into the needle member storage path 53B by the drive mechanism. Is done.