Biomedical device having a temperature sensing system
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United States of America Patent
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-
Jan 28, 1997
Grant Date -
N/A
app pub date -
May 2, 1995
filing date -
May 2, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system for monitoring temperature comprising a first thermocouple temperature sensor mounted to a catheter, the catheter also having a connector with a plurality of connecting devices for making the thermocouple signals available to external equipment. The connecting devices are formed of a material dissimilar to at least one of the thermocouple leads such that a second thermocouple is created at the connection point. The second thermocouple produces a second temperature signal that combines with the signal from the first thermocouple. A reference temperature sensor is mounted at the connector to sense the temperature at the connector and provide a reference temperature signal for use by a processor in correcting the combined temperature signal to derive the first thermocouple signal received from the connector.
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Family
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