Patent ID: 8579790
Filing Date: 2013-11-12
Classification: A61M

Abstract:
1. An apical ring for coupling a conduit of a ventricular assist device to a heart, comprising: an annular disk with a central aperture for receiving the conduit, wherein the annular disk is comprised of a suturing flange; a collar axially aligned with the central aperture and having a cylindrical shape interrupted by a gap between first and second ends of the collar, wherein the collar has a fixed section joined to the annular disk and has a cantilever section extending from the fixed section to the first end of the collar; and a tightener for selectively driving the first end toward the second end to close the gap in order to retain the conduit within the collar; wherein the cantilever section includes a relief slot that is expandable for extending a circumferential length of the cantilever section in response to interacting with the conduit when the gap is closed.