公开(公告)号：EP1017442A4

公开(公告)日：2001-02-28

申请号：EP98953186

申请日：1998-09-23

申请人： UNITED STATES SURGICAL CORP ,  ANGIORAD LLC

发明人： LIPRIE SAMUEL F ,  FUTATO LISA D ,  TOSO KENNETH E ,  TOSO GREGORY F

IPC分类号： A61M25/00 ,  A61F2/958 ,  A61M29/02 ,  A61M36/04 ,  A61N5/10 ,  A61M25/01 ,  A61M29/00

CPC分类号： A61M25/104 ,  A61M25/1002 ,  A61M2025/0063 ,  A61M2025/0183 ,  A61N5/1002 ,  A61N2005/1003

摘要： A catheter (10), and a method for performing radiation treatment at a site where angio-plasty was performed, are disclosed. The catheter (10) includes a hollow, cylindrical member (12) constructed from a fairly flexible material. The catheter is maneuvered within the body by traveling over a guide wire which was initially maneuvered in the blood vessel to a position beyond the actual site of a stenosis. Stand-off structure (26) having a stand-off balloon (28) surrounds a portion (30) of the outer surface of the catheter (10). The distal end (18) of the catheter (10) includes an inner lumen plug (38), and a distal mandrel (40) extending through the inner lumen plug (38). The distal mandrel (40) is manufactured from shape memory alloy to stiffen, and reinforce the catheter when the catheter is introduced within the blood vessel.