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1. (WO2017017015) TROCAR STRUCTURE FOR ABDOMINAL SURGERY

Pub. No.:    WO/2017/017015    International Application No.:    PCT/EP2016/067538
Publication Date: Fri Feb 03 00:59:59 CET 2017 International Filing Date: Sat Jul 23 01:59:59 CEST 2016
IPC: A61B 17/34
A61M 39/06
Applicants: AB MEDICA HOLDING S.P.A.
Inventors: BLANC, Alexandre
Title: TROCAR STRUCTURE FOR ABDOMINAL SURGERY
Abstract:
The trocar structure for abdominal surgery comprises a cannula (2) having at one end a guide element (3) provided with a valve (5) for maintaining positive intracavitary pressure and a shaft (4) having at one end a head (6) and at the opposite end a tip (7), advantageously the valve is made of a single piece of silicone and has first elastically deformable sealing means (8) for maintaining the positive intracavitary pressure during the passage of the shaft (4) and a surgical instrument through the cannula and second elastically deformable sealing means (9) engaging the guide element.