Motor control system for an automatic catheter inflation system
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United States of America Patent
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Feb 4, 1997
Grant Date -
N/A
app pub date -
Nov 22, 1993
filing date -
Nov 22, 1993
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A motor controller for providing a constant rate of change of pressure during inflation and deflation of an expandable member of a catheter for use in a body lumen by an automated inflation system is disclosed. The system conforms the rate of change of pressure to a set point value by means of a feedback loop controller, and makes possible consistent inflations and deflations using an automated system regardless of variations in catheter volume and compliance characteristics. Safety features such as maximum pressure and balloon rupture alarms are also disclosed.
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