Oliver Lips,Bernd David,Sascha Krueger,Steffen Weiss
申请号：
US13142432
公开号：
US09918653B2
申请日:
2010.01.07
申请国别(地区):
US
年份:
2018
代理人:
摘要：
The invention relates to electrophysiology catheter systems and their use, such as in an MRI environment, and in particular to analysis of electric signals from such. An electrophysiology (EP) catheter with a plurality of electrically isolated electrode segments arranged in longitudinally spaced bands around the catheter is used to detect electric signals. A workstation receives the electrical signals which are then processed by a processing unit. Electric signals from electrode segments can be used to determine roll angle information of the catheter in relation to patient anatomy by determining signals from electrode segments in contact with tissue. Also, electric signals can be used to extract a reference signal that can be used to correct for gradient induced artifacts.
