Safety and Efficacy Study of the Sorin 3D Annuloplasty Ring For Mitral Repair

Inclusion Criteria: * The subject is 18 years old or older * An annuloplasty ring is indicated for reinforcement of a dysfunctional or diseased native mitral valve according to the current medical practice for valvular repair at each site. * The subject is able to return for all follow-up evaluations of the study. Exclusion Criteria: * The subject or subject's legal representative is unwilling to sign the informed consent. * The subject is or will be participating in another medical device or drug clinical trial. * The subject is a minor, prisoner, institutionalized, or is unable to give informed consent. * The subject has a life expectance of less than 1 year.