Approval for the model 3330 version6.1.1 software for the model 3650 merlin patient care system and model 3307 version 6.4.1 software for the model 3510 programmer which enables v-v timing, af suppression and quickopt timing cycle optimization in the frontier ii model 5586 crt-p device. The device, as modified, will be marketed under the trade names as specified in the device families and is indicated for rate adaptive pacing, cardioversion and defibrillation and/or treatment of heart failure with cardiac resynchronization therapy.
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