DELIVERY SYSTEM FOR COLLAPSIBLE HEART VALVE
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0 Petitions
Accused Products
Abstract
A delivery system for delivering a collapsible prosthetic heart valve includes a valve support structure for supporting a collapsible prosthetic heart valve, and a distal sheath movable in a longitudinal direction relative to the valve support structure between a first position in which the distal sheath is adapted to surround a collapsible prosthetic heart valve supported on the valve support structure, and a second position in which the distal sheath is adapted to expose the collapsible prosthetic heart valve for deployment. The distal sheath is at least partially formed of an inner polymer layer, an outer polymer layer, and a tubular supporting member sandwiched between the inner polymer layer and the outer polymer layer.
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Citations
18 Claims
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1. (canceled)
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2. A delivery device for implanting a prosthetic heart valve, comprising:
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a valve support for supporting a collapsible prosthetic heart valve; and a distal sheath slidable in a longitudinal direction relative to the valve support between a first position in which the distal sheath is adapted to maintain the prosthetic heart valve in a collapsed condition, and a second position in which the distal sheath is adapted to expose the prosthetic heart valve for deployment, the distal sheath including an inner polymer layer, an outer polymer layer, and a tubular support sandwiched between the inner polymer layer and the outer polymer layer, the tubular support having a first longitudinal section and a second longitudinal section and including a plurality of struts extending in a circumferential direction of the tubular support, each of the first and second longitudinal sections having a degree of flexibility sufficient to facilitate advancement of the distal sheath into the aortic arch, each strut defining a continuous closed loop, the loops being coupled to one another by a plurality of connectors so as to define a plurality of open cells, the connectors in the second longitudinal section being arranged in a plurality of rows oriented substantially orthogonally to the loops, each of the rows in the second longitudinal section being diametrically opposed to another of the rows in the second longitudinal section and substantially continuous from one end of the second longitudinal section to another end of the second longitudinal section. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification