Ultrasound detectable interventional medical device
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United States of America Patent
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Sep 22, 2015
Grant Date -
Nov 11, 2010
app pub date -
Oct 20, 2008
filing date -
Oct 20, 2008
priority date (Note) -
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Abstract
An interventional medical device for use with a motion-sensitive ultrasonic imaging system comprising a flexible elongated member for insertion into soft tissue, a two-axis, flexing mechanism coupled to the flexible elongated member and a mechanism for controlled electrical excitation of the flexible elongated member. Each of the axial flexing mechanisms, when acted upon by electrical excitation, forcibly bends the elongated member along a section of it length causing its tip to move in the plane of the applied bending force. As a direct result of direct energy coupling by bending rather than vibration, the relative phases of the two axes can be controlled to accomplish specific movement of the tip of the flexible elongated member.
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