Valve Mold and Prosthesis for Mammalian Systems
First Claim
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1. A mold for forming a replacement tissue valve comprising:
- a first template comprised of a thin film polymer having three continuously linked cusps formed thereon, wherein said first template includes a first lower undulating side that is longer than a first upper side; and
a second template comprised of a thin film polymer having three continuously linked cusps formed thereon, wherein said second template includes a second lower undulating side that is longer than a second upper side,wherein said first and second templates interlock to accommodate a membrane interposed there between where said membrane is to be formed into said replacement tissue value.
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Abstract
A valve mold for a prosthetic valved conduit includes two thin film transparent plastic templates having the molding shape of the valve to sandwich biological tissue membrane to form the valve. In another embodiment, a valve mold template has a 3-dimensional geometry which, when folded and sutured to form a close-loop, resembles the geometry of a native aortic valve. The attachment side of a template designed in accordance with the principles of the invention may have a slightly undulating edge, according to one embodiment.
23 Citations
30 Claims
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1. A mold for forming a replacement tissue valve comprising:
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a first template comprised of a thin film polymer having three continuously linked cusps formed thereon, wherein said first template includes a first lower undulating side that is longer than a first upper side; and a second template comprised of a thin film polymer having three continuously linked cusps formed thereon, wherein said second template includes a second lower undulating side that is longer than a second upper side, wherein said first and second templates interlock to accommodate a membrane interposed there between where said membrane is to be formed into said replacement tissue value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A mold for forming a replacement tissue valve comprising:
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a first template portion having three continuously linked concave cusps formed thereon, wherein said first template portion includes a first lower side that is longer than a first upper side, and wherein said first lower side has a first set of undulations; and a second template portion having three continuously linked convex cusps formed thereon, wherein said second template portion includes a second lower side that is longer than a second upper side, and wherein said second lower side has a second set of undulations that correspond to the first set of undulations, wherein said first and second template portions interlock to accommodate a membrane interposed there between where said membrane is to be formable into said replacement tissue value. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A mold for forming a replacement tissue valve comprising:
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a first template portion having three adjacent concave cusps separated by first interspersed connecting strips formed thereon, wherein said first template portion includes a first lower side that is longer than a first upper side, and wherein said first lower side has a first set of undulations; and a second template portion having three adjacent convex cusps separated by second interspersed connecting strips formed thereon, wherein said second template portion includes a second lower side that is longer than a second upper side, and wherein said second lower side has a second set of undulations that correspond to the first set of undulations, wherein said first and second template portions interlock to accommodate a membrane interposed there between where said membrane is to be formable into said replacement tissue value.
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25. A prosthetic valved conduit having a base orifice that is larger than an upper orifice, the valved conduit being formed of a pericardium membrane that is,
formed between first and second mold templates, wherein each of the first and second mold templates have three continuously linked cusps formed thereon and lower undulating sides that are longer than corresponding upper sides, wherein the upper sides correspond to the upper orifice and the lower undulating sides correspond to the base orifice, trimmed along a perimeter of the first and second mold templates, sutured at the commissures of three valve leaflets using commissural sutures, and sutured along lateral sides of the pericardium membrane so as to form a vascular cone.
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30. A prosthetic valved conduit having a base orifice that is larger than an upper orifice, the valved conduit being formed of a pericardium membrane that is,
formed between first and second mold templates, wherein each of the first and second mold templates have three adjacent cusps formed thereon separated by interspersed connecting strips, and lower undulating sides that are longer than corresponding upper sides, wherein the upper sides correspond to the upper orifice and the lower undulating sides correspond to the base orifice, trimmed along a perimeter of the first and second mold templates, sutured at the commissures of three valve leaflets using commissural sutures, and sutured along lateral sides of the pericardium membrane so as to form a vascular cone.
Specification