Bus system for interconnecting an implantable medical device with a plurality of sensors
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United States of America Patent
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Jan 14, 1997
Grant Date -
N/A
app pub date -
Jan 27, 1995
filing date -
Jan 27, 1995
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A two-conductor bus system is provided to electrically interconnect a plurality of physiologic sensors to a pacemaker, each sensor being adapted for placement along a pacing lead. The conductors of the bus extend longitudinally through the insulating material of the lead, connecting to each sensor. The pacemaker provides a supply voltage on the bus to provide power to the sensors. The sensors modulate the supply voltage on the bus to transmit information to the pacemaker. This information may be used by the pacemaker to adaptively pace the heart. In one embodiment, the sensors include bus monitoring circuitry for receiving control signals from the pacemaker.
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