Prosthetic cardiac valves and systems and methods for implanting thereof
First Claim
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1. A prosthetic valve replacement system for implantation at a target site within a subject, said system comprising:
- a valve mechanism;
a fixation mechanism for retaining said valve mechanism in a fixed position at said target site; and
magnetic means comprising magnetic material for magnetically coupling said valve mechanism with said fixation mechanism,wherein said fixation mechanism is changeable from a collapsed condition with magnetic material folded radially inward from a coupling position to an expanded condition with the magnetic material positioned at the coupling position for coupling with the valve mechanism.
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Abstract
Implantable prosthetic valve systems and methods for implanting them are provided. Magnets are employed within one or more components of the valve systems to facilitate anchoring of the prosthetic valve at a target implant site, delivery of the prosthetic valve to the target implant site or both.
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Citations
9 Claims
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1. A prosthetic valve replacement system for implantation at a target site within a subject, said system comprising:
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a valve mechanism; a fixation mechanism for retaining said valve mechanism in a fixed position at said target site; and magnetic means comprising magnetic material for magnetically coupling said valve mechanism with said fixation mechanism, wherein said fixation mechanism is changeable from a collapsed condition with magnetic material folded radially inward from a coupling position to an expanded condition with the magnetic material positioned at the coupling position for coupling with the valve mechanism. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A prosthetic valve replacement system for implantation at a target site within a subject, said system comprising:
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a valve mechanism; a fixation mechanism for retaining said valve mechanism in a fixed position at said target site; and magnetic means comprising magnetic material for magnetically coupling said valve mechanism with said fixation mechanism, wherein said fixation mechanism comprises an annular ring including magnetic material arranged as a substantially annular surface for coupling to a substantially similarly arranged annular surface of magnetic material provided to the valve mechanism for coupling the fixation mechanism with the valve mechanism. - View Dependent Claims (8, 9)
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Specification