Valvuloplasty ring and prosthetic method
First Claim
Patent Images
1. Adjustable valvuloplasty ring for an atrioventricular orifice comprising:
- a. a frame that is sized and shaped to extend about a significant portion of the circumference of the orifice;
b. an expandable member extending from the ends of the frame that is sized and shaped to extend about at least a substantial portion of the remainder of the circumference of the orifice; and
c. means for expanding and contracting the expandable member whereby the size of the ring and orifice may be adjusted.
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Abstract
An adjustable valvuloplasty ring that comprises a C-shaped frame that is sized and shaped to extend about the circumference of the left atrioventricular orifice along the base of the anterior cusp of the mitral valve; an expandable sleeve connected to the frame that together therewith forms a closed annulus, the sleeve being adapted to extend about the remainder of the circumference of the orifice; and a drawstring running through the sleeve by which the sleeve may be contracted to constrict and remodel the orifice and secured in place to maintain such constriction.
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Citations
13 Claims
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1. Adjustable valvuloplasty ring for an atrioventricular orifice comprising:
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a. a frame that is sized and shaped to extend about a significant portion of the circumference of the orifice; b. an expandable member extending from the ends of the frame that is sized and shaped to extend about at least a substantial portion of the remainder of the circumference of the orifice; and c. means for expanding and contracting the expandable member whereby the size of the ring and orifice may be adjusted. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. Method for constricting and remodeling an atrioventricular orifice comprising:
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a. affixing a noncontractile support member about a significant portion of the orifice; b. affixing a contractile support member that is attached to the noncontractile support member about at least a substantial portion of the remainder of the circumference of the orifice; c. contracting the contractile support member to a contracted position whereby the orifice is constricted; and d. fixing the contractile support member in said contracted position. - View Dependent Claims (11, 12, 13)
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Specification