Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The schematic diagram of simple single-port access
自制单孔通道示意图
a. 制作橡胶圈并手套包裹；b. Trocar 固定在手套内；c. 经 Trocar 置入腔镜器械
a. Rubber rings were made and coated with glove; b. Trocars were fixed in the glove; c. Endoscopic instruments were put into chest via Trocars
