Slidable cannula and method of use

Details Slidable cannula and method of use Slidable cannula and method of use

1998-08-11

2000-10-10

Coggins, Wynn Wood

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604508, 604509, 606167, A61M 500

Patent

active

061297135

ABSTRACT:
A cannula system having an internally slidable elongate tubular member frictionally anchored within a trocar, and optionally including a flange which acts as a positive stop against the trocar, that can be deployed for various treatments, including aortic cannulation during cardiopulmonary bypass, for example during CABG surgery. The tubular member has a proximal end, a lumen, and a flexible distal end which carries a preformed angled configuration relative to its proximal region and is bendable to a substantially linear configuration. The rigid trocar maintains the cannula in a substantially linear configuration. When the cannula is advanced through the lumen beyond the distal end of the trocar, the tubular member regains its angled configuration. Methods for using the devices herein are also disclosed.

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