HEART VALVE PROSTHESIS WITH GUARD STRUCTURE

• US 3,551,913 A
• Filed: 04/02/1968
• Issued: 01/05/1971
• Est. Priority Date: 04/02/1968
• Status: Expired due to Term

• Current Assignee: Donald P. Shiley, Kay Jerome Harold
• Original Assignee: Donald P. Shiley, Kay Jerome Harold
• Inventors: Shiley, Donald P., KAY JEROME HAROLD
• Application Number:
  US04/718,157
• Time in Patent Office: 1,008 Days
• US Class Current: 623/2.38
• CPC Class Codes: A61F 2/2421 with non-pivoting rigid closure members
• CPC Class Codes: Y10T 137/7909 Valve body is the weight
• CPC Class Codes: Y10T 29/49904 Assembling a subassembly, then assembling with a second subassembly

Abstract

A HEART VALVE PROSTHESIS WHICH INCLUDES A GUARD STRUCTURE FOR PREVENTING INTRUSION OF HEART MUSCLE OR OTHER FOREIGN TISSUE INTO THE PATH OF VALVE EXCURSION. THE GUARD IN ONE EMBODIMENT IS FORMED FROM A PAIR OF UPSTANDING STRUTS MOUNTED ABOUT THE VALVE BODY INTERMEDIATE THE LIMITS OF VALVE EXCURSION. IN ANOTHER EMBODIMENT THE GUARD IS FORED BY A PLASTIC FLANGE WHICH EXTENDS UPWARDLY AND OUTWARDLY FROM THE VALVE BODY AND SUBSTANTIALLY SURROUNDS THE PATH OF VALVE EXCURSION.

Claims