Raju R. Viswanathan,Rogers C. Ritter,Peter R. Werp
申请号：
US11770547
公开号：
US08551109B2
申请日:
2007.06.28
申请国别(地区):
US
年份:
2013
代理人:
摘要：
An apparatus and method for interventional navigation within a subjects body is provided in which a medical device having at least one electrostrictive element is adapted to cause the distal end of the medical device to bend in a given direction for improving navigation. The medical device may further comprise at least one magnetically responsive element on the distal end, which may be oriented in the approximate direction of a magnetic field that is applied to the subjects body. At least one method for navigating a medical device though a subjects body is provided, by changing the direction of an applied magnetic field to align a magnetically responsive element on the distal end for orienting the distal end, and by applying a voltage to at least one electrostrictive element disposed in the distal portion of the device for causing the distal end to change orientation from that achieved by application of the magnetic field alone.
