| 摘要 |
A surgical device (1) for use in minimally invasive surgery is inserted into a body cavity. A trocar (5) is moved into a piercing position with a cutting tip (8) in contact with an inner wall (3) before the cutting tip (8) is pressed through the abdominal wall (2). When in position, the trocar (5) is unscrewed from a cannula (6) and the device (1) is secured with an anchor ring (7). The device (1) which prevents accidental damage to the patients tissue or organs by ensuring that the cutting or piercing point of the trocar (5) is directed away from the patient's organs during insertion. |
