Kevin Boyle,Andrzej J. Chanduszko,Michael Randall,Peng Zheng
申请号：
US15388335
公开号：
US20180177515A1
申请日:
2016.12.22
申请国别(地区):
US
年份:
2018
代理人:
摘要：
A catheter includes a wave guide for transmitting ultrasonic energy from a transducer, and which is also rotated to facilitate enhanced disruption of the concerned obstruction in a transverse direction. Embodiments of waveguide include distal anchors that help focus the energy transmitted to a treatment site, and may also include a deployable filter that may open distal of the obstruction to capture any dislodged debris. Selectively inflatable balloons may cordon off a treatment site, and the wave guide may comprise a tube that may serve the dual purposes of inflating the balloon(s), as well as to transmit ultrasonic energy to an obstruction. A portion of an ultrasonic catheter may include plural curved portions to space an exposed portion of the wave guide away from the catheter body to enhance the vibratory action provided.
