04042979 is referenced by 264 patents and cites 2 patents.

An adjustable valvuloplasty ring that comprises a C-shaped frame that is sized and shaped to extend about the circumference of the left atrioventricular orifice along the base of the anterior cusp of the mitral valve; an expandable sleeve connected to the frame that together therewith forms a closed annulus, the sleeve being adapted to extend about the remainder of the circumference of the orifice; and a drawstring running through the sleeve by which the sleeve may be contracted to constrict and remodel the orifice and secured in place to maintain such constriction.

Title
Valvuloplasty ring and prosthetic method
Application Number
5/704542
Publication Number
4042979
Application Date
July 12, 1976
Publication Date
August 23, 1977
Inventor
William W Angell
19174 De Haviland, San Jose, 95070
CA, US
Agent
Thomas E Ciotti
IPC
A61F 1/22
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