Medical equipment for feeding back pressing depth by adopting grating structure

The utility model discloses a medical device adopting a grating structure to feed back pressing depth, which comprises a shell assembly, a plurality of light beam transceivers, a plurality of light source modules, a plurality of light source modules, a plurality of light source modules, a plurality of light source modules and a plurality of light source modules, the lead screw is arranged in the movement cavity, the first end of the lead screw is arranged in the movement cavity, the second end of the lead screw penetrates through the shell assembly, and the lead screw is used for being movably switched between a first position and a second position during rotation so that the first end of the lead screw can correspondingly move within a first range; the positions of the plurality of light beam transceivers in the motion cavity are arranged corresponding to a first range, so that when the first end of the screw rod moves, the light beam transceiver corresponding to the position of the first end of the screw ro