Patent ID: 7666204
Filing Date: 2010-02-23
Classification: A61B,A61F,A61M

Abstract:
1. A multi-catheter guiding system for accessing a body cavity comprising: an outer guiding catheter having a proximal end, a distal end and a central lumen therethrough, the outer guiding catheter capable of forming a curve of the outer guiding catheter; an inner guiding catheter positionable at least partially within the central lumen of the outer guiding catheter, the inner guiding catheter capable of forming a curve of the inner guiding catheter which differs from the curve of the outer guiding catheter; and a steering mechanism which forms the curve in the inner guiding catheter or the outer guiding catheter upon actuation, wherein the steering mechanism forms the curve of the inner guiding catheter and the curve of the outer guiding catheter is formed by shape memory.