Artificial heart valve and method for making same

• US 3,130,418 A
• Filed: 11/25/1960
• Issued: 04/28/1964
• Est. Priority Date: 11/25/1960
• Status: Expired due to Term

• Current Assignee: Loraine M. Kessenich, Louis R. Head
• Original Assignee: Loraine M. Kessenich, Louis R. Head
• Inventors: Head, Louis R., Kessenich, Loraine M.
• Application Number:
  US04/095,447
• Time in Patent Office: 1,250 Days
• US Class Current: 623/2.12
• CPC Class Codes: A61F 2/2412 with soft flexible valve members, e.g. tissue valves shaped like natural valves check valves with flexible valve members in general F16K15/14
• CPC Class Codes: A61F 2/2457 Chordae tendineae prostheses

Claims

1. A OVEN ARTIFICIAL HEART VALVE ADAPTED TO BE USED BETWEEN AN AURICLE AND A VENTRICLE OF A HEART FOR PREVENTING FLOW OF BLOOD FROM THE VENTRICAL TO THE AURICLE, SAID VAVLE COMPRISING A SLEEVE PORTION, THE UPPER PERIPHERAL EDGE OF THE SLEEVE PORTION ADAPTED TO BE SECURED TO THE JUNCTURE BETWEEN THE AURICLE AND THE VENTRICLE, A FIRST EXTENSION PORTION ALONG A PART OF THE LOWER PERIPHERAL EDGE OF THE SLEVE PORTION, A SECOND EXTENSION PORTION ALONG ANOTHER PART OF THE LOWER PERIPHERAL EDGE OF THE SLEEVE PROTION AND DIRECTLY OPPOSITE TO SAID FIRST EXTENSION PORTION, A PLURALITY OF WARP THREADS EXTENDING FROM THE LOWER PERIPHERAL EDGE OF THE SLEEVE SECTION AND FROM THE FREE EDGES OF SAID EXTENSION PORTIONS, HALF OF THE WARP THREADS FORMING THE SLEEVE PORTION BEING WOVEN TOGETHER TO FORM A FIRST PATCH PORTION IN SPACED RELATION TO THE SLEEVE PORTION, AND THE OTHER HALF OF THE WARP THREADS BEING WOVEN TOGETHER TO FORM A SECOND PATCH PORTION, SAID PATCH PORTIONS ADAPTED TO BE SECURED TO THE SIDE WALLS OF THE VENTRICLE IN SUCH A MANNER AS TO CONTROL THE CLOSING ACTION OF THE VALVE.