Fluid-assisted medical devices, fluid delivery systems and controllers for such devices, and methods
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United States of America Patent
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Oct 3, 2006
Grant Date -
May 23, 2002
app pub date -
Sep 5, 2001
filing date -
Mar 6, 2000
priority date (Note) -
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Abstract
Medical devices, methods and systems for treating tissue are provided. An exemplary system comprises a fluid from a fluid source, a surgical device which provides energy and the fluid to the tissue and a control mechanism which changes a flow rate of fluid provided from the surgical device and changes a rate of energy provided from the surgical device. The fluid flow rate changes between at least two non-zero flow rates and the energy rate changes between at least two non-zero energy rates. An exemplary method comprises providing a fluid from a fluid source, providing a surgical device which provides energy and the fluid to the tissue, and changing a flow rate of fluid provided from the surgical device with a change in a rate of energy provided from the surgical device. Exemplary devices comprise a tip portion configured to provide energy and a fluid to a tissue.
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