Reed valve for implantation into mammalian blood vessels and heart with optional temporary or permanent support
First Claim
1. An intravascular multi-leaflet, one-way valve to serve as a prosthesis for diseased native valve of a mammal, the valve comprising:
- a tubular member formed of one of a naturally occurring tubular body channel and of a membrane, the membrane being selected from a group of materials consisting of biocompatible polymer and biologic flat membrane, said membrane configured as a truncated cone, the tubular body having an inflow orifice and an outflow orifice, the leaflets forming the outflow orifice and forming a plurality of comissures;
a first flexible stent consisting essentially of material selected from the group consisting of thin metal wire, thin plastic ring, or suture filament, said first stent being removably affixed in a substantially circular fashion around the tubular body in proximity of the inflow orifice, and a second flexible stent consisting essentially of material selected from the group consisting of thin metal wire, thin plastic ring, or suture filament, said second stent being removably affixed at the location of the comissures to form a circle around the tubular body in proximity of the outflow orifice.
1 Assignment
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Accused Products
Abstract
A multi-leaflet valve adapted to serve as a prosthesis for diseased native valve of a mammal is constructed of biologic membrane or of biocompatible synthetic membrane. The valve has the shape of a truncated cone that has an inflow and an outflow orifice with leaflets forming the outflow orifice and forming a plurality of commissures. A first flexible stent is removably affixed in a substantially circular fashion around the truncated cone in proximity of the inflow orifice, and a second flexible stent is removably affixed at the location of the commissures to form a circle around the truncated cone in proximity of the outflow orifice. The stents maintain the shape of the valve during the surgical implantation procedure. Each stent independently can be left in the valve or can be removed during the implantation procedure based upon the judgement of the cardiac surgeon performing the implantation procedure. A holder designed to maintain the geometry of the valve during implantation to a mammal is also disclosed.
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Citations
23 Claims
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1. An intravascular multi-leaflet, one-way valve to serve as a prosthesis for diseased native valve of a mammal, the valve comprising:
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a tubular member formed of one of a naturally occurring tubular body channel and of a membrane, the membrane being selected from a group of materials consisting of biocompatible polymer and biologic flat membrane, said membrane configured as a truncated cone, the tubular body having an inflow orifice and an outflow orifice, the leaflets forming the outflow orifice and forming a plurality of comissures;
a first flexible stent consisting essentially of material selected from the group consisting of thin metal wire, thin plastic ring, or suture filament, said first stent being removably affixed in a substantially circular fashion around the tubular body in proximity of the inflow orifice, and a second flexible stent consisting essentially of material selected from the group consisting of thin metal wire, thin plastic ring, or suture filament, said second stent being removably affixed at the location of the comissures to form a circle around the tubular body in proximity of the outflow orifice. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification