Patent ID: 9138286
Filing Date: 2015-09-22
Classification: A61B

Abstract:
1. An interventional medical device for use with a motion-sensitive ultrasonic imaging system comprising: a) a flexible elongated member having a tip at one extremity thereof and a hub at the opposing extremity thereof; b) a flexing mechanism mechanically coupled to the flexible elongated member, the flexing mechanism comprising a two axis flexing mechanism configured to induce an orbital movement within the flexible elongated member; and c) a mechanism configured for controlled spread-spectrum, quadrature-phased electrical excitation of the flexing mechanism and the flexible elongated member mechanically coupled thereto wherein the spread-spectrum electrical excitation comprises a linear sweep repeated at a rate of less than 1/10 second over an audible frequency range, wherein continual visualization of the elongated member is maintained without operator adjustment and visualization of the elongated member at any rotational position is maintained without operator adjustment.