SYSTEMS AND METHODS FOR CUTTING TISSUE

WIPO Patent Application WO2004058084

A3

Devices and methods for cutting of soft tissue using radio frequency and suitable for use in minimally invasive procedures are disclosed. The device generally includes an electrode housed in a housing, the electrode being flexible and/or extendable out of and/or retractable into the housing, and an insulating layer partially surrounding the electrode to expose at least a portion of the electrode to define at least one cutting area so as to focus energy from the energy source to the cutting area to facilitate initiation of a cut with the cutting area in contact with tissue. The cutting area(s) may extend and/or be aligned in a direction along a length of the electrode and may include a sharpened and/or serrated edge. The tissue cutting device may include an automated electrode oscillator coupled to the electrode and configured to oscillate the electrode along an axis or plane generally defined by the electrode.

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LEE ROBERTA (US)
ZUCKSWERT SAMUEL E (US)
CONSTON STAN (US)
YAMAMOTO RONALD (US)
HO HUDDEE JACOB (US)

PCT/US2003/040904

October 07, 2004

December 22, 2003

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MANOA MEDICAL INC (US)
LEE ROBERTA (US)
ZUCKSWERT SAMUEL E (US)
CONSTON STAN (US)
YAMAMOTO RONALD (US)
HO HUDDEE JACOB (US)

A61B18/14; A61B18/00; (IPC1-7): A61B18/14

WO2003022157A2

2003-03-20

DE10028413A1	2001-09-20
US6080152A	2000-06-27
GB2327352A	1999-01-27
US5078716A	1992-01-07
EP1180349A1	2002-02-20
US6660003B1	2003-12-09

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