Prosthetic heart valve
First Claim
1. An assembly comprising:
- a delivery catheter comprising an inflatable balloon; and
an implantable prosthetic heart valve that is radially collapsible to a collapsed configuration for delivery into a patient on the delivery catheter and radially expandable to an expanded configuration using the inflatable balloon;
the prosthetic heart valve comprising;
a radially expandable annular frame having an inflow end portion defining an inflow end of the frame that is configured to receive antegrade blood flow into the prosthetic heart valve when implanted within a patient'"'"'s body in the expanded configuration, and the annular frame also having an outflow end portion defining an outflow end of the frame opposite the inflow end of the frame;
a leaflet structure positioned within the frame; and
an outer skirt extending from the inflow end of the frame along an outer surface of the frame to an outflow edge of the outer skirt, wherein the outflow edge of the outer skirt defines a plurality of alternating projections and notches of the outer skirt, the projections projecting further toward the outflow end of the frame relative to the notches, and wherein the outflow edge is attached to the frame at the projections and the outflow edge is free from the frame at the notches.
2 Assignments
0 Petitions
Accused Products
Abstract
Embodiments of a radially collapsible and expandable prosthetic heart valve are disclosed. A valve frame can have a tapered profile when mounted on a delivery shaft, with an inflow end portion having a smaller diameter than an outflow end portion. The valve can comprise generally V-shaped leaflets, reducing material within the inflow end of the frame. An outer skirt can be secured to the outside of the inflow end portion of the frame, the outer skirt having longitudinal slack when the valve is expanded and lying flat against the frame when the valve is collapsed. A diagonally woven inner skirt can elongate axially with the frame. Side tabs of adjacent leaflets can extend through and be secured to window frame portions of the frame to form commissures. The window frame portions can be depressed radially inward relative to surrounding frame portions when the valve is crimped onto a delivery shaft.
387 Citations
19 Claims
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1. An assembly comprising:
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a delivery catheter comprising an inflatable balloon; and an implantable prosthetic heart valve that is radially collapsible to a collapsed configuration for delivery into a patient on the delivery catheter and radially expandable to an expanded configuration using the inflatable balloon; the prosthetic heart valve comprising; a radially expandable annular frame having an inflow end portion defining an inflow end of the frame that is configured to receive antegrade blood flow into the prosthetic heart valve when implanted within a patient'"'"'s body in the expanded configuration, and the annular frame also having an outflow end portion defining an outflow end of the frame opposite the inflow end of the frame; a leaflet structure positioned within the frame; and an outer skirt extending from the inflow end of the frame along an outer surface of the frame to an outflow edge of the outer skirt, wherein the outflow edge of the outer skirt defines a plurality of alternating projections and notches of the outer skirt, the projections projecting further toward the outflow end of the frame relative to the notches, and wherein the outflow edge is attached to the frame at the projections and the outflow edge is free from the frame at the notches. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An assembly comprising:
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a delivery catheter comprising an inflatable balloon; and an implantable prosthetic heart valve that is radially collapsible to a collapsed configuration for delivery into a patient on the delivery catheter and radially expandable to an expanded configuration using the inflatable balloon; the prosthetic heart valve comprising; a radially expandable annular frame having an inflow end portion defining an inflow end of the frame that is configured to receive antegrade blood flow into the prosthetic heart valve when implanted within a patient'"'"'s body in the expanded configuration, and the annular frame also having an outflow end portion defining an outflow end of the frame opposite the inflow end of the frame; a leaflet structure positioned within the frame; and an outer skirt extending from the inflow end of the frame along an outer surface of the frame, and comprising an outflow end having a plurality of circumferentially spaced apart projections attached to the frame between the inflow end and the outflow end; wherein the frame comprises an inflow row of openings at the inflow end portion of the frame, an outflow row of openings at the outflow end portion of the frame, and at least one intermediate row of openings between the inflow row of openings and outflow row of openings; and wherein openings of the inflow row of openings are larger than openings of the at least one intermediate row of openings. - View Dependent Claims (11, 12, 13, 14)
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15. An assembly comprising:
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a delivery catheter comprising an inflatable balloon; and an implantable prosthetic heart valve that is radially collapsible to a collapsed configuration for delivery into a patient on the delivery catheter and radially expandable to an expanded configuration using the inflatable balloon; the prosthetic heart valve comprising; a radially expandable annular frame having an inflow end portion defining an inflow end of the frame that is configured to receive antegrade blood flow into the prosthetic heart valve when implanted within a patient'"'"'s body in the expanded configuration, and the annular frame also having an outflow end portion defining an outflow end of the frame opposite the inflow end of the frame; a leaflet structure positioned within the frame; and an outer skirt extending from the inflow end of the frame along an outer surface of the frame and comprising an outflow end having a plurality of circumferentially spaced apart notches that are not attached to the frame; wherein the frame comprises an inflow row of openings at the inflow end portion of the frame, an outflow row of openings at the outflow end portion of the frame, and at least one intermediate row of openings between the inflow row of openings and outflow row of openings; and wherein openings of the inflow row of openings are larger than openings of the at least one intermediate row of openings. - View Dependent Claims (16, 17, 18, 19)
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Specification