Bioprosthetic cardiovascular valve system
First Claim
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1. A cardiovascular valve system comprising:
- a base unit permanently attachable to tissue; and
a collapsible valve engageable and disengageable with said base unit, wherein said collapsible valve includes a collapsible frame having a plurality of articulated struts, said collapsible frame movable between an expanded position to engage the collapsible valve with the base unit, and a collapsed position to disengage the collapsible valve from the base unit.
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Abstract
A cardiovascular valve system including a permanent base unit that is affixed to the patient using conventional sutures or staples, and a collapsible valve having a collapsible frame that mates with the permanent base unit, and supports valve leaflets. An installed collapsible frame may be re-collapsed and disengaged from the permanent housing. A new collapsible valve is then installed, to resume the function of the prosthesis.
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Citations
20 Claims
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1. A cardiovascular valve system comprising:
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a base unit permanently attachable to tissue; and
a collapsible valve engageable and disengageable with said base unit, wherein said collapsible valve includes a collapsible frame having a plurality of articulated struts, said collapsible frame movable between an expanded position to engage the collapsible valve with the base unit, and a collapsed position to disengage the collapsible valve from the base unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A cardiovascular valve system comprising:
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a base unit permanently attachable to tissue, said base unit including a receptacle; and
a collapsible valve engageable and disengageable with the receptacle, wherein said collapsible valve includes a collapsible frame having a plurality of articulated struts, said collapsible frame movable between an expanded position to engage the collapsible valve with the receptacle, and a collapsed position to disengage the collapsible valve from the receptacle. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification