Patent ID: 8636717
Filing Date: 2014-01-28
Classification: A61M

Abstract:
1. A method of making catheter shaft comprising: forming an orifice in a portion of a first tube including an inflation lumen defined by an inside wall surface in fluid contact with a dilation balloon, an outside wall surface, wherein the first tube is formed of a first material; inserting a second tube through the orifice in the first tube to extend distally from the orifice inside the inflation lumen, the second tube having a proximal end, a distal end, and comprising an inner layer of lubricious material, an outer layer, and an intervening intermediate layer, the second tube having a length and a lumen therethrough, the inner layer of lubricious material defining an inner wall surface, the outer layer defining an outer wall surface, and a bonding region; bonding the outside wall surface of the second tube to the inside wall surface of the first tube within the bonding region; and bonding the outside wall surface of the second tube to the outside wall surface of the first tube within the bonding region.