MITRAL AND TRICUSPID ANNULOPLASTY RINGS
First Claim
1. A mitral annuloplasty ring, comprising:
- an inner core and an outer band located around the outside of the inner core for anchoring the ring to a mitral annulus;
the ring having an anterior region and a posterior region opposite the anterior region, and two side regions between the anterior and posterior regions, the ring having a vertical dimension extending between the anterior region and posterior region and a transverse dimension extending between the side regions, wherein the transverse dimension is greater than the vertical dimension; and
wherein a width dimension of the outer band as seen in cross-section through the ring is greater in the posterior region of the ring than in the anterior region.
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Abstract
A mitral annuloplasty ring with an inner core and an outer band located therearound is disclosed. The ring has an anterior region, a posterior region opposite the anterior region, and two side regions therebetween. A cross-sectional width dimension of the outer band is greater in the posterior region of the ring than in the anterior region. A cross-sectional width dimension of a semi-flexible core is thinner in the anterior and posterior regions than in the side regions so that the mitral ring is more rigid in the anterior-posterior direction. A tricuspid annuloplasty ring of the invention has an inner core and an outer band located therearound. The inner core has an anterior region separated across a gap from a septal region, and a posterior region. A cross-sectional width dimension of the outer band is greater in the septal region than either the anterior or posterior regions.
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Citations
20 Claims
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1. A mitral annuloplasty ring, comprising:
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an inner core and an outer band located around the outside of the inner core for anchoring the ring to a mitral annulus; the ring having an anterior region and a posterior region opposite the anterior region, and two side regions between the anterior and posterior regions, the ring having a vertical dimension extending between the anterior region and posterior region and a transverse dimension extending between the side regions, wherein the transverse dimension is greater than the vertical dimension; and wherein a width dimension of the outer band as seen in cross-section through the ring is greater in the posterior region of the ring than in the anterior region. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A mitral annuloplasty ring, comprising:
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a semi-flexible metallic inner core; the inner core having an anterior region and a posterior region opposite the anterior region, and two side regions between the anterior and posterior regions, the ring having a vertical dimension extending between the anterior region and posterior region and a transverse dimension extending between the side regions, wherein the transverse dimension is greater than the vertical dimension; and wherein a width dimension of the core as seen in cross-section through the ring is thinner in the anterior and posterior regions than in the side regions. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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17. A tricuspid annuloplasty ring, comprising:
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an inner core and an outer band located around the outside of the inner core for anchoring the ring to a tricuspid annulus; the inner core having an anterior region separated across a gap from a septal region, and a posterior region, wherein a width dimension of the outer band as seen in cross-section through the ring is greater in the septal region than either the anterior region or posterior region. - View Dependent Claims (18, 19, 20)
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Specification