Catherine R. CONDIE,Marshall L. SHERMAN,Mark T. STEWART
申请号:
US13460900
公开号:
US20130296840A1
申请日:
2012.05.01
申请国别(地区):
US
年份:
2013
代理人:
摘要:
Systems and methods for assessing tissue contact, including positioning an electrode adjacent a tissue region delivering radiofrequency energy to the electrode, wherein the delivered radiofrequency energy is sufficient to ablate at least a portion of the tissue region obtaining a plurality of impedance measurements from the electrode during the delivery of the radiofrequency energy calculating a change in the impedance measurements over a pre-determined time period and generating an alert if the calculated change is less than a pre-defined value.