Subcutaneous cardiac stimulation device providing...

Details Subcutaneous cardiac stimulation device providing... Subcutaneous cardiac stimulation device providing...

2007-08-21

2007-08-21

Layno, Carl (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C607S004000, C607S028000, C607S005000, C607S017000, C607S024000, C607S009000, C600S515000, C600S518000, C600S526000

Reexamination Certificate

active

10937656

ABSTRACT:
An implantable subcutaneous cardiac device includes at least two subcutaneous electrodes adapted for placement external to a heart beneath the skin of a patient. The device further includes an arrhythmia detector that detects a sustained tachyarrhythmia of the heart and a pulse generator that delivers anti-tachycardia pacing pulses to the subcutaneous electrodes in response to detection of a sustained tachyarrhythmia. The pacing pulses preferably have waveforms devoid of any exponential voltage decay and include rounded or substantially constant portions to minimize pain.

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