公开(公告)号：US20180325712A1

公开(公告)日：2018-11-15

申请号：US16043999

申请日：2018-07-24

Applicant: ABBOTT CARDIOVASCULAR SYSTEMS INC.

Inventor： Michael R. Bialas ,  John E. Papp ,  John Simpson ,  Wouter Erik Roorda ,  Matthew Gillick ,  Michael L. Green ,  David P. Strauss ,  Duane M. DeMore ,  Robert P. Barbier ,  Marc Gianotti

IPC: A61F2/966 ,  A61M25/10 ,  A61F2/962 ,  A61M25/09

CPC classification number: A61F2/966 ,  A61F2/958 ,  A61F2/962 ,  A61F2002/011 ,  A61F2002/9522 ,  A61F2002/9583 ,  A61M25/09 ,  A61M25/10184 ,  A61M25/10185 ,  A61M2025/0183

Abstract: Catheter for delivery of a medical device such as a stent or filter includes an inner tubular member and an outer tubular member movable relative to the inner tubular member. The outer tubular member is disposed at the distal end of the inner tubular member. The inner tubular member includes a fluid lumen defined therein, the fluid lumen having a fluid flow port directed to the exterior surface of the inner tubular member. A pressure chamber is defined by the inner tubular member, the outer tubular member, a proximal seal and a distal seal, and is in fluid communication with the fluid flow port, wherein fluid introduced through the fluid flow port and into the pressure chamber applies a force on the proximal seal to move the outer tubular member in a proximal direction allowing the medical device constrained by the outer tubular member to be released.

公开(公告)号：US10675164B2

公开(公告)日：2020-06-09

申请号：US15163984

申请日：2016-05-25

Applicant: ABBOTT CARDIOVASCULAR SYSTEMS INC.

Inventor： Michael L. Green ,  Michael R. Bialas

IPC: A61F2/966 ,  A61M25/09 ,  A61M25/00 ,  A61F2/95 ,  A61M25/10 ,  A61F2/958 ,  A61M25/01

Abstract: Catheter comprising an inner tubular member defining a fluid lumen and inflation lumen therein. An exterior surface of the inner tubular member defines a fluid flow port in fluid communication with the fluid lumen and located along a region of the inner tubular member. Catheter further includes an outer member having a distal section movable relative to the inner tubular member and having an interior surface. A piston balloon is coupled to the inner tubular member distal to the fluid flow port and is in fluid communication with the inflation lumen. A pressure chamber is in fluid communication with the fluid flow port. Fluid introduced through the inflation lumen inflates the piston balloon to seal against the interior surface and fluid introduced through the fluid flow port and into the pressure chamber applies a force to urge at least the distal section of the outer member in a proximal direction.

公开(公告)号：US20160262920A1

公开(公告)日：2016-09-15

申请号：US15163984

申请日：2016-05-25

Applicant: ABBOTT CARDIOVASCULAR SYSTEMS INC.

Inventor： Michael L. Green ,  Michael R. Bialas

IPC: A61F2/966 ,  A61M25/10 ,  A61M25/09 ,  A61F2/958

Abstract: Catheter comprising an inner tubular member defining a fluid lumen and inflation lumen therein. An exterior surface of the inner tubular member defines a fluid flow port in fluid communication with the fluid lumen and located along a region of the inner tubular member. Catheter further includes an outer member having a distal section movable relative to the inner tubular member and having an interior surface. A piston balloon is coupled to the inner tubular member distal to the fluid flow port and is in fluid communication with the inflation lumen. A pressure chamber is in fluid communication with the fluid flow port. Fluid introduced through the inflation lumen inflates the piston balloon to seal against the interior surface and fluid introduced through the fluid flow port and into the pressure chamber applies a force to urge at least the distal section of the outer member in a proximal direction.