Vaporous delivery of thermal energy to tissue sites
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United States of America Patent
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Issued Date -
Nov 28, 2002
app pub date -
Mar 6, 2002
filing date -
Mar 6, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Many surgical applications require the heating of a tissue site. The heating of the site may be for the purpose ablating the tissue, shrinking the tissue, coagulating the tissue, cauterizing the tissue, or the like. Vapor provides a medium for transfer of thermal energy to a tissue site. The vapor rapidly heats the tissue rapidly upon release of thermal energy in the phase change of the vapor from gas to liquid. By changing attributes of the vapor such as duration, direction, pressure, volume, and temperature, the effect, i.e. ablation, coagulation, or the like, of the heating can be controlled.
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