Dual mode laser smoke evacuation system with sequential filter monitor and vacuum compensation
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United States of America Patent
Stats
-
Sep 7, 1993
Issued Date -
N/A
app pub date -
Nov 10, 1992
filing date -
Nov 10, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A surgical laser smoke evacuation system includes a sensor positioned at the surgical site to determine the need for evacuation. A vacuum pump draws smoke from the site through a system of conduits, including an in line filter. The filter tends to become clogged over time. A sensor determines changes in the pressure drop across the filter, and is connected to a control mechanism which adjusts the speed of the vacuum pump to maintain an approximately constant flow across the filter.
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Family
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Cited Art Landscape
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