System and method for control of tissue welding

A system and method for welding of biological tissue by applying an RF voltage during a first stage to electrodes of a tissue welding tool; monitoring tissue impedance, and determining a minimum tissue impedance value during the first stage; determining relative tissue impedance; detecting when the...

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Bibliographic Details
Main Authors VLADIMIR K. LEBEDEV, YURII A. MASALOV, YURI A. FURMANOV, ALEXEI V. LEBEDEV, BORIS E. PATON, MYKHAILO P. ZAKHARASH, OLGA N. IVANOVA
Format Patent
LanguageEnglish
Published 03.06.2010
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:A system and method for welding of biological tissue by applying an RF voltage during a first stage to electrodes of a tissue welding tool; monitoring tissue impedance, and determining a minimum tissue impedance value during the first stage; determining relative tissue impedance; detecting when the relative tissue impedance reaches a predetermined relative tissue impedance value and starting a second stage; calculating the duration of the second stage as a function of the duration of the first stage; and applying the RF voltage during the second stage to the electrodes of the tissue welding tool.
Bibliography:Application Number: AU20100201919