Multifunctional protective cover (polymer variable height series)

It is suitable for minimally invasive single-hole laparoscopic surgery, and can be used as a channel to enter and exit the incision and operation with surgical endoscope, forceps, scissors, etc. The multi-channel body and the protective sleeve are chimeric sealing, convenient combination, good sealing, and can maintain a certain abdominal pressure under the assistance of pneumoperitoneum; Easy to operate. Suitable for small incision minimally invasive surgery, postoperative patients recover quickly.