Patent ID: 6370427
Filing Date: 2002-04-09
Classification: A61N

Abstract:
An implantable medical interventional device adapted to provide therapy to a patient to treat cardiac dysrhythmias, said device comprising a pulse generator and a shock generator for providing a plurality of functions corresponding to different levels of therapy including pulse, low energy and high energy shock waveforms configured to terminate respective dysrhythmias; said pulse generator adapted for pacing the patient's heart by generating stimulating electrical pulses therefor; and a pair of thin leads dimensioned for insertion respectively into the left and right ventricles of the patient's heart when said device is implanted, said pair of thin leads being coupled to said pulse generator and said pulse generator being adapted to energize said pair of thin leads in unison for simultaneous application of said stimulating electrical pulses to the left and right ventricles when said pair of thin leads are inserted respectively therein, each of said leads including a respective electrode adapted to be positioned in stimulating relation to cardiac tissue in a respective one of said ventricles when said leads are inserted therein and, when said leads are energized in unison by said pulse generator, to simultaneously pace said left and right ventricles; the lead dimensioned for insertion into the left ventricle having an insulative sheath composed of a material of low thrombogenicity and coated at least in part with a biodegradable material to inhibit thrombus formation on the respective lead.