US Patent 7359752 Configurable test load for an implantable medical device

A test assembly for an implantable medical device, which includes a patient simulator capable of providing signals to the implantable medical device that are representative of the patient's organ function to thereby test whether the implantable medical device is capable of detecting circumstances requiring the deliver of therapy. The patient simulator further includes a plurality of loads that can be selected to correspond to the loads actually seen by the implantable medical device when delivering therapy to the patient.