Paul Lubock,Brian J. Cox,Robert Rosenbluth,Richard Quick,Michael J. Rosenbluth
申请号：
US14370945
公开号：
US20150005811A1
申请日:
2013.01.04
申请国别(地区):
US
年份:
2015
代理人:
摘要：
Devices and methods for occluding the left atrial appendage are disclosed herein. An occlusion device can include an expandable lattice structure having a proximal portion configured to be positioned at or near the ostium of the LAA, a distal portion configured to extend into an interior portion of the LAA, and a contact portion between the proximal and distal portions. In several embodiments, the expandable lattice structure includes an occlusive braid configured to contact and seal with tissue of the LAA and a structural braid enveloped by the occlusive braid. The structural braid can be coupled to the occlusive braid at a proximal hub located at the proximal portion of the lattice structure. The structural braid is configured to drive the occlusive braid radially outward. The occlusive braid can have an atrial face at the proximal portion facing the left atrium LA, and the atrial face can have a low-profile contour that mitigates thrombus formation at the atrial face.
