▎ 摘　　要

NOVELTY - The utility model relates to the technical field of medical appliance, and claims a protective sleeve for graphene incision of PP substrate, comprising graphene PP protective sleeve main body, the outer wall of the graphene wall of the protective sleeve main body is provided with a supporting ring, the graphene of the protective sleeve main body is top part connected with a sealing cover, the centre of the outer wall of the sealing cover is provided with a stamp hole. The utility model is connected with the protective sleeve main body screw thread the supporting ring, so as to quickly change and install the supporting ring with proper size, the hole cover is slowly screwed out from the punching hole, using laparoscope puncture outfit extends into graphene PP protective sleeve main body from the poke hole to carry laparoscope the operation, illuminating the surgical position by the annular searchlight, pulling the sealing cover upwards, so as to separate the sealing rubber ring and the sealing cover annular groove, the surgical instrument extends into the graphene of the PP protective sleeve main body for operation, it realizes the effect of convenient auxiliary laparoscope