| 摘要 |
PURPOSE: A trocar for a single port surgery is provided to minimize interference between surgical instruments by forming a main body into a spherical shape. CONSTITUTION: A trocar comprises a main body(10), a guide port, and a fixing part(30). The main body is a globe or cupola shape. The main body is made of an elastic material. The main body has three insertion holes(11~13) and at least one auxiliary insertion part(14). A surgical instrument is inserted into each insertion hole. A guide port is combined in each insertion hole of the main body in order to guide the surgical instrument. The fixing part clinches the main body on human body. One end of the fixing part is inserted into the human body. The other end of the fixing part is attached to the lower end of the main body.
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