Annuloplasty ring with reduced dehiscence
First Claim
1. A prosthetic tricuspid annuloplasty ring, comprising:
- a ring core made of a relatively rigid material and defining a discontinuous periphery around an axis along an inflow-outflow direction with a first free end separated from a second free end across a gap; and
a suture-permeable interface that surrounds the ring core along its length and extends circumferentially from both free ends into the gap to form floppy regions through which sutures may be passed to secure the annuloplasty ring to a valve annulus, the floppy regions being axially flattened, wherein the annuloplasty ring defined by the ring core and interface has an asymmetrical ovoid shape shaped for implanting at the tricuspid annulus.
1 Assignment
0 Petitions
Accused Products
Abstract
A prosthetic remodeling annuloplasty ring for use in tricuspid or mitral valve repairs to provide support after annuloplasty surgery. The annuloplasty ring includes a relatively rigid core extending around an axis that is discontinuous to define two free ends. A suture-permeable interface surrounding the core includes floppy regions adjacent both free ends of the core. Sutures are used to attach the annuloplasty ring to the annulus, including at least one suture through each of the floppy regions to secure the free ends of the ring and minimize the risk of ring dehiscence, or pull through of the sutures through the annulus tissue. The floppy regions may project from each free end into the gap toward each other, be radially enlarged such as paddle-like extensions, or may comprise outwardly lateral extensions at the free ends of the core.
-
Citations
20 Claims
-
1. A prosthetic tricuspid annuloplasty ring, comprising:
-
a ring core made of a relatively rigid material and defining a discontinuous periphery around an axis along an inflow-outflow direction with a first free end separated from a second free end across a gap; and a suture-permeable interface that surrounds the ring core along its length and extends circumferentially from both free ends into the gap to form floppy regions through which sutures may be passed to secure the annuloplasty ring to a valve annulus, the floppy regions being axially flattened, wherein the annuloplasty ring defined by the ring core and interface has an asymmetrical ovoid shape shaped for implanting at the tricuspid annulus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A prosthetic tricuspid annuloplasty ring, comprising:
-
a ring core made of a relatively rigid material and defining a discontinuous periphery around an axis along an inflow-outflow direction with a first free end separated from a second free end across a gap; and a suture-permeable interface that surrounds the ring core along its length and extends circumferentially from both free ends into the gap to form floppy ends more flexible than the ring core and through which sutures may be passed to secure the annuloplasty ring to a valve annulus, wherein the suture-permeable interface comprises an elastomeric sleeve immediately surrounding the ring core and a fabric covering around the sleeve, with the elastomeric sleeve forming no part of the floppy ends, wherein the floppy ends are not radially larger than a portion of the interface surrounding the ring core, and wherein the annuloplasty ring defined by the ring core and interface has an asymmetrical ovoid shape shaped for implanting at the tricuspid annulus. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
-
Specification