公开(公告)号：US11006956B2

公开(公告)日：2021-05-18

申请号：US16813566

申请日：2020-03-09

Applicant: ABBOTT CARDIOVASCULAR SYSTEMS INC.

Inventor： Michael F. Wei

IPC: A61B17/122 ,  A61B17/08 ,  A61B17/128 ,  A61B17/00

Abstract: The invention provides improved devices, systems, and methods for tissue approximation and repair at treatment sites. The invention provides devices, systems, and methods that may more successfully approximate and repair tissue by improving the capture of tissue into the devices. The invention may be a one-way mechanism that allows tissue to enter the mechanism but not easily exit, such as a leaf-spring, a protrusion, a pivoting arm and one or more frictional elements.

公开(公告)号：US20210128303A1

公开(公告)日：2021-05-06

申请号：US17148186

申请日：2021-01-13

Applicant: Abbott Cardiovascular Systems, Inc.

Inventor： Michael F. Wei

IPC: A61F2/24 ,  A61B17/122 ,  A61B17/08

Abstract: The present disclosure describes tissue gripping devices, systems, and methods for gripping mitral valve tissue during treatment of a mitral valve and while a tissue fixation device is implanted in the mitral valve. The tissue gripping device includes a flexible member and one or more tissue gripping members coupled to one or more arms of the flexible member. The flexible member is formed from a shape-memory material, such as nitinol, and the tissue gripping member(s) are formed from a material that is more rigid than the shape-memory material. The tissue gripping member(s) are attached to the flexible member by threading or looping suture lines around and/or through the tissue gripping member(s) and the flexible member and/or by applying a cover material to the tissue gripping device to hold the tissue gripping member(s) against the flexible member.

公开(公告)号：US20190151089A1

公开(公告)日：2019-05-23

申请号：US15820374

申请日：2017-11-21

Applicant: Abbott Cardiovascular Systems Inc.

Inventor： Michael F. Wei

IPC: A61F2/24

Abstract: A device for adjusting a shape of a coronary sinus in a heart of a patient, the device comprising a flexible tube having: an outer wall extending between a proximal end and a distal end; a first bore extending from the proximal end to the distal end; a proximal flange attached to the proximal end; a distal flange attached to the distal end; wherein, the outer wall includes at least one accordion-like hinge region.