Mechanical safety device and medical equipment

The utility model provides a mechanical safety device and medical equipment. The mechanical safety device comprises a supporting body, a percussion body, a safety part and a trigger body. Each safety body is of an integrally formed structure, and the safety part is clamped in the supporting body along at least one side of the slide way; the trigger body corresponds to one side, opposite to the safety part, of the percussion body, is arranged on the other side of the safety part along the extension direction of the slide way, moves along the support body in the direction of the slide way, and forms a trigger state and a separation state with the safety part; in the triggering state, the triggering body moves towards the safety part in the extending direction of the sliding way, the safety part is pushed away towards at least one side of the sliding way, the sliding way is opened relative to the percussion body, and the percussion body moves along the sliding way to pass through the position of the safety part