公开(公告)号：EP1112103B1

公开(公告)日：2006-01-04

申请号：EP99968634.8

申请日：1999-08-27

申请人： Lumend, Inc.

发明人： SELMON, Matthew, R. ,  MILO, Charles, F. ,  WYNNE, Robert, L. ,  PAL, Suresh, S. ,  DELL, Kent, D. ,  GRESL, Charles ,  HANSEN, Gerald ,  HILL, E. Richard

IPC分类号： A61M29/00 ,  A61B17/12 ,  A61M25/00

CPC分类号： A61M29/02 ,  A61B17/22 ,  A61B2017/320044 ,  A61B2017/320741

摘要： An intravascular catheter system for the treatment of occluded blood vessels that includes tissue displacement or hinged expansion members that are movable from a closed to an open position. An actuating assembly may be provided for moving the tissue expansion members between an open and closed position to exert a substantially lateral distal end force upon the region surrounding an occluded blood vessel. The tissue expansion members may stretch apart, tear or otherwise disrupt a vascular occlusion sufficiently to create a pathway that may support the passage or placement of a guidewire or an interventional vascular device across the occlusion or obstruction. Methods of crossing or displacing a vascular occlusion are further provided that include the positioning of a vascular catheter having at least one hinged spreading member positioned at the distal region of the catheter that is responsive to directed force along the longitudinal axis of the catheter. A directed force is applied to the actuator in order to deploy the spreading member and displace a vascular occlusion creating a path to permit the passage of a guidewire or device therethrough.

公开(公告)号：EP1112103A2

公开(公告)日：2001-07-04

申请号：EP99968634.8

申请日：1999-08-27

申请人： Lumend, Inc.

发明人： SELMON, Matthew, R. ,  MILO, Charles, F. ,  WYNNE, Robert, L. ,  PAL, Suresh, S. ,  DELL, Kent, D. ,  GRESL, Charles ,  HANSEN, Gerald ,  HILL, E. Richard

IPC分类号： A61M29/00

CPC分类号： A61M29/02 ,  A61B17/22 ,  A61B2017/320044 ,  A61B2017/320741

摘要： An intravascular catheter system for the treatment of occluded blood vessels that includes tissue displacement or hinged expansion members that are movable from a closed to an open position. An actuating assembly may be provided for moving the tissue expansion members between an open and closed position to exert a substantially lateral distal end force upon the region surrounding an occluded blood vessel. The tissue expansion members may stretch apart, tear or otherwise disrupt a vascular occlusion sufficiently to create a pathway that may support the passage or placement of a guidewire or an interventional vascular device across the occlusion or obstruction. Methods of crossing or displacing a vascular occlusion are further provided that include the positioning of a vascular catheter having at least one hinged spreading member positioned at the distal region of the catheter that is responsive to directed force along the longitudinal axis of the catheter. A directed force is applied to the actuator in order to deploy the spreading member and displace a vascular occlusion creating a path to permit the passage of a guidewire or device therethrough.