Devices, systems and methods for an oscillating crown drive for rotational atherectomy
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United States of America Patent
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Sep 5, 2017
Issued Date -
N/A
app pub date -
Mar 13, 2014
filing date -
Mar 14, 2013
priority date (Note) -
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Abstract
The present invention is directed in various methods, devices and systems relating to rotational atherectomy. More specifically, an oscillating driver is connected to a drive shaft, or torque transfer tube, with abrasive element mounted thereon. The result provides a rotational working diameter for the rotating abrasive element that is larger than its resting diameter. Generally, the preferred abrasive element is concentric in profile and/or with center of mass collinear with the drive shaft's rotational axis. However, eccentric abrasive elements, both in terms of offsetting center of mass and/or geometric eccentricity may also be employed.
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