Daniel Gelbart,Douglas Wayne Goertzen,Fernando Luis de Souza Lopes
申请号：
US14713190
公开号：
US20150250539A1
申请日:
2015.05.15
申请国别(地区):
US
年份:
2015
代理人:
摘要：
A device positionable in a cavity of a bodily organ (e.g., a heart) may discriminate between fluid (e.g., blood) and non-fluid tissue (e.g., wall of heart) to provide information or a mapping indicative of a position and/or orientation of the device in the cavity. Discrimination may be based on flow, or some other characteristic, for example electrical permittivity or force. The device may selectively ablate portions of the non-fluid tissue based on the information or mapping. The device may detect characteristics (e.g., electrical potentials) indicative of whether ablation was successful. The device may include a plurality of transducers, intravascularly guided in an unexpended configuration and positioned proximate the non-fluid tissue in an expanded configuration. Expansion mechanism may include helical members) or inflatable member(s).
