Stents for autologous tissue heart valve

An outer stent for securing an inner stent having a base and a plurality of posts extending therefrom and spaced around the base and tissue wrapped thereon, said outer stent spreadable from a relaxed position to a spread position, said outer and inner stents cooperating to form a heart valve implanted into a patient by use of sutures and needles, said outer stent comprising:

• a base having a plurality of slots;
• a tensioning spring disposed around said base;
• a plurality of posts extending upwardly from said base, said posts connected by scalloped portions, said posts adapted to register with said inner stent when said inner and outer stents are secured together, each of said posts including a window to allow the insertion of the posts of said inner stent therein;
• an elastic ring disposed around said base for allowing the securing of said outer stent to said patient;
• and
• a covering emplaced around said base and said posts and bonded to said base at a plurality of locations.

An outer stent for securing an inner stent having a base and a plurality of posts extending therefrom and spaced around the base and tissue wrapped thereon, said outer stent spreadable from a relaxed position to a spread position, said outer and inner stents cooperating to form a heart valve implanted into a patient by use of sutures and needles, said outer stent comprising:

• a frame having an annular lower portion and an upper portion, said lower portion having a plurality of slots, said upper portion integrally formed with and extending upwardly from said lower portion to form a plurality of posts, at least one of said posts having a window to allow the insertion of the posts of said inner stent therein;
• a tensioning spring disposed in a circumferential groove formed in an outer surface of said lower portion, said spring causing said lower portion of said frame to clamp said tissue between said inner and outer stents when formed as said heart valve;
• an elastic ring disposed around said lower portion for allowing the securing of said outer stent to said patient;
• and
• a covering emplaced around said frame and said ring and bonded to said lower portion of said frame at a plurality of locations.

An outer stent for securing an inner stent having a base and a plurality of posts extending therefrom and spaced around the base and tissue wrapped thereon, said outer stent spreadable from a relaxed position to a spread position, said outer and inner stents cooperating to form a heart valve implanted into a patient by use of sutures and needles, said outer stent comprising:

• a base having a plurality of slots;
• a tensioning spring disposed in a groove formed around said base for providing a radially compressive force about said base and configured to clamp said tissue between said inner and outer stents when formed as said heart valve;
• a plurality of posts extending upwardly from said base, said posts adapted to register with said inner stent when said inner and outer stents are secured together, at least one of said posts including a window to allow the insertion of the posts of said inner stent therein;
• an elastic ring disposed around said base for allowing the securing of said outer stent to said patient;
• and
• a covering emplaced around said base and said posts and bonded to said base at a plurality of locations.