06656221 is referenced by 191 patents and cites 9 patents.

A method and apparatus for reducing mitral regurgitation. The apparatus is inserted into the coronary sinus of a patient in the vicinity of the posterior leaflet of the mitral valve, the apparatus being adapted to straighten the natural curvature of at least a portion of the coronary sinus in the vicinity of the posterior leaflet of the mitral valve, whereby to move the posterior annulus anteriorly and thereby improve leaflet coaptation and reduce mitral regurgitation.

Title
Method and apparatus for improving mitral valve function
Application Number
10/68264
Publication Number
6656221 (B2)
Application Date
February 5, 2002
Publication Date
December 2, 2003
Inventor
Thomas F Kordis
Wilmington
MA, US
Todd F Davenport
Andover
MA, US
William E Cohn
Chestnut Hill
MA, US
Steven B Woolfson
Boston
MA, US
Richard B Streeter
Winchester
MA, US
John R Liddicoat
Sewickley
PA, US
Daniel C Taylor
Brighton
MA, US
Agent
Pandiscio & Pandiscio P C
US
Assignee
Viacor
MA, US
IPC
A61F 2/24
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