Annuloplasty and suture rings
First Claim
1. An annuloplasty ring comprising an annulus shaped and sized for insertion in a human heart comprised of multi-layers of braided tube. wherein each layer forms a wall, said annulus formed from a single length of tubular braid that is invaginated to form a double walled tube having first and second ends and inner and outer walls, a roll over fold formed at one end thereof, and two cut ends formed at the other end thereof, said inner and outer walls of the tube being sealed together at said two cut ends forming a seal line, said tube being rolled so that said seal line lies substantially centrally in the inner wall of the tube, said tube set to form a "V" cross-section configuration to form an eight walled flexible contractile member.
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Accused Products
Abstract
Adjustable, flexible suture 2ings, mitral and tricuspid annuloplasty 2ings having internal drawstrings that emerge from the 2ings on the annular faces so that the drawstring knots are out of the bloodstream, the drawstrings being contained in clearly marked channels, the mitral 2ing having a curved semi-flexible stiffener member in the anteri/r segment to maintain intertrigonal distance during implantati/n are disclosed.
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Citations
15 Claims
- 1. An annuloplasty ring comprising an annulus shaped and sized for insertion in a human heart comprised of multi-layers of braided tube. wherein each layer forms a wall, said annulus formed from a single length of tubular braid that is invaginated to form a double walled tube having first and second ends and inner and outer walls, a roll over fold formed at one end thereof, and two cut ends formed at the other end thereof, said inner and outer walls of the tube being sealed together at said two cut ends forming a seal line, said tube being rolled so that said seal line lies substantially centrally in the inner wall of the tube, said tube set to form a "V" cross-section configuration to form an eight walled flexible contractile member.
Specification