There is provided an operating instrument insertion apparatus capable of easily inserting an operating instrument into the tissue. The operating instrument insertion apparatus includes a hollow tubular member for receiving an operating instrument therein, and a plurality of scoop-like members provided...http://www.google.fr/patents/US6497651?utm_source=gb-gplus-shareBrevet US6497651 - Operating instrument insertion apparatus and operation supporting apparatus
Operating instrument insertion apparatus and operation supporting apparatus
