Chines optical trocar for endoscopic issued in minimally invasive abdominal and gynecologic procedures to establish a path of entry for endoscopic instruments.

The main purpose of the disposable laparoscopic trocar in laparoscopic surgery is to penetrate the full thickness of the abdominal wall, establish a channel between the outside world and the abdominal cavity, and allows surgical instruments to enter the abdominal cavity through the trocar sleeve to complete the surgical process and achieve the same1

A hands-free walking aid designed for leg injury recovery, featuring a bionic zero-load structure that replaces traditional crutches and supports safe, independent movement during rehabilitation.