Medical instruments; Telemetry devices for medical applications; Apparatus for the electrical stimulation of groups of muscles; Defibrillators; Cardiac defibrillation electrodes; Electrophysiology electrodes; Electrodes for picking up electrophysiological parameters; Electrodes for picking up biological parameters; Electronic muscle stimulators for medical use; Apparatus for cardiac defibrillation; Heart pacemakers; Implantable pacemakers; Implantable leads for cardiac pacing; Cardiovascular catheters; Cardioversion and/or defibrillator leads; Medical apparatus and instruments; Medical guidewires and parts and fittings therefor; Medical cooling units with body contact applicators; Medical therapy instruments; Instruments for cardiac stimulation; Surgical apparatus and instruments; Medical and surgical devices, namely cardiac assist devices; Resuscitation apparatus; Artificial resuscitation apparatus; Medical and surgical devices for supporting or replacing the contraction of the heart; Cardiac support systems