Patent ID: 9675379
Date: 2017-06-13
CPC Classifications: A61B

Claim:
1. A flexible portal cannula for use in conjunction with a cannula driver, said cannula driver comprising a shaft having a distal end and a proximal end and at least one distally extending projection extending from the distal end, said flexible portal cannula comprising: a flexible tube having a proximal end and a distal end and a lumen extending from the proximal end to the distal end of said flexible tube, said distal end of said flexible tube being adapted for insertion into a surgical site through a surgical portal, said flexible tube having a proximally facing groove disposed on an inner surface of said flexible tube, proximate the distal end of said flexible tube, said proximally facing groove being sized and dimensioned to receive a distally extending projection of the cannula driver; wherein the proximally facing groove is an annular groove defined by a space between the inner surface of the flexible tube and a ring extending proximally within the distal tip of the flexible tube.