Patent ID: 8409273
Filing Date: 2013-04-02
Classification: A61B,A61F,A61M

Abstract:
1. A multi-catheter guiding system for treating valvar regurgitation in a patient's heart, said system 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 primary curve near its distal end; an inner guiding catheter having a proximal end, a distal end and a central lumen therethrough, the inner guiding catheter positionable within the central lumen of the outer guiding catheter so that its distal end extends beyond the distal end of the outer guiding catheter, the inner guiding catheter capable of forming a secondary curve near its distal end, wherein at least one of the distal ends of either the outer guiding catheter or the inner guiding catheter comprises a reinforced region, the reinforced region having greater column strength than another region of the inner or outer guide catheter; and a delivery catheter shaft at least partially disposed in the central lumen of the inner guiding catheter, the delivery catheter shaft comprising: