System for mapping a heart using catheters having ultrasonic position sensors
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United States of America Patent
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Jun 15, 2004
Grant Date -
Apr 18, 2002
app pub date -
Feb 14, 2001
filing date -
Jul 20, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system for mapping a heart comprises a mapping catheter having an ultrasonic position sensor for insertion into the heart. The system also comprises at least one reference catheter having an ultrasonic position sensor placeable in a fixed position relative to the heart. The position of the mapping catheter is determined relative to the at least one reference catheter. The ultrasonic position sensor of the mapping catheter is located at the tip of the mapping catheter. The ultrasonic position sensor for the at least one reference catheter is located at the tip of the at least one reference catheter.
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