Patent ID: 6742236
Filing Date: 2004-06-01
Classification: A61B,B21D,Y10T

Abstract:
A method of making a surgical instrument of the kind that includes an inner tube disposed for movement within an outer tube, comprisingproviding a tubular member adapted to serve as one of the inner tube or the outer tube, the tubular member having an open distal end, rotary swaging the distal end of the tubular member closed, and forming the closed distal end to a shape that substantially matches a shape of another one of the inner tube or the outer tube, wherein portions of the tubes are adapted to interact with each other to perform a surgical operation in response to the movement of the inner tube within the outer tube, wherein the swaging produces a seam in material of the tubular member at the distal end, and further comprising cutting the material together at the seam, and wherein the swaging produces a protrusion of the tubular member material at the seam, and further comprising cutting away a selected amount of the protrusion prior to performing the fusing.