| 摘要 |
A medical trocar is provided to discharge toxic gas of the body and supply safety medical environment. A medical trocar comprises: a tubular cannula (250) a trocar housing (210, 220) which is connected to the end of cannula and comprises a housing hole (240); a exhaust pipe (230) which discharges gas which is flowed in through the cannula; a valve (285) which blocks gas by opening and closing the exhaust pipe; a sensor which generates valve opening and closing signal; a device (280) for opening and closing valve.
|
