Patent ID: 8961550
Filing Date: 2015-02-24
Classification: A61B,A61M

Abstract:
1. A transseptal punch comprising: an outer tube characterized by a proximal end, a distal end, and a flexible region at the distal end, said flexible region characterized by a proximal and a distal end; and an inner tube characterized by a proximal and a distal end, said inner tube having a flexible region near the distal end thereof and a distal tip adapted to pierce body tissue; said inner tube being disposed within the outer tube, extending from the proximal end of the outer tube to the distal end of the outer tube, and terminating distally beyond the distal end of the outer tube, said inner tube fixed to the outer tube at a point in the outer tube proximate the distal end of the flexible region of the outer tube, wherein the flexible region of the outer tube comprises a segment of the outer tube which is snake-cut with a plurality of radially oriented slots in the wall of the outer tube, said radially oriented slots being substantially radially aligned along one side of the outer tube; and the flexible region of the inner tube comprises a segment of the inner tube with a longitudinally oriented slot and an angled slot extending from an end of the longitudinally oriented slot.