A diagnostic device for determining the amount of change required in a coronary sinus to reduce valve regurgitation. The device includes a distal tube having a distal anchor at a distal end portion of the distal tube, a proximal tube having a proximal anchor at a distal end portion of the proximal tube,...http://www.google.ca/patents/US20060129051?utm_source=gb-gplus-sharePatent US20060129051 - Diagnostic kit to assist with heart valve annulus adjustment
