Multi-site hybrid hardware-based cardiac pacemaker
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United States of America Patent
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Jul 30, 2002
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N/A
app pub date -
Feb 28, 2000
filing date -
Aug 23, 1999
priority date (Note) -
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Abstract
A hybrid cardiac pacemaker in which the operation of the device is controlled by hardware-based controller as supervised by a microprocessor-based controller. The hardware-based controller comprises a plurality of timers that expire when they reach timer limit values stored in registers updatable by the microprocessor, and a combinational logic array for causing the device to generate pace outputs in accordance with timer expirations and sense signals. The combinational logic array may operate the pacemaker in a number of programmed modes in accordance with a mode value stored in a mode control register by the microprocessor.
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