Described is a device for evaluating a heart valve annulus in order to choose a particular annuloplasty device to be attached to the annulus, wherein the annuloplasty device has an inter-trigonal or inter-commissural distance and an anterior-posterior ratio, the device comprising: a valve sizing element...http://www.google.com/patents/US20090192605?utm_source=gb-gplus-sharePatent US20090192605 - Sizer Device Having a Plurality of Anterior-Posterior Ratios