Dustin R. Tobey,Shubhayu Basu,Cesar Fuentes-Ortega,Pieter E. Van Niekerk,Tushar Sharma
申请号：
US16451263
公开号：
US20200038101A1
申请日:
2019.06.25
申请国别(地区):
US
年份:
2020
代理人:
摘要：
An apparatus includes a shaft and an end effector at a distal end of the shaft. The end effector has a distal end and a proximal end with a longitudinal intermediate point between the distal and proximal ends. The end effector is sized to fit in an anatomical passageway within a cardiovascular system. The end effector includes at least one sensor electrode and a reference electrode. The at least one sensor electrode is configured to contact cardiovascular tissue and thereby pick up potentials. The reference electrode is configured to pick up a potential from fluid in contact with the reference electrode. The reference electrode is located proximal to the longitudinal intermediate point of the end effector. The end effector is configured to prevent the reference electrode from contacting tissue.
