ATHERECTOMY DEVICES AND METHODS

Rotational atherectomy devices and systems can remove or reduce stenotic lesions in implanted grafts by rotating one or more abrasive elements within the graft. The abrasive elements can be attached to a distal portion of an elongate flexible drive shaft that extends from a handle assembly that incl...

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Hauptverfasser: Plowe, Charles Anthony, Kallok, Michael, Piippo Svendsen, Cassandra Ann, Benjamin, Albert Selden, Robinson, Paul Joseph
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Kallok, Michael
Piippo Svendsen, Cassandra Ann
Benjamin, Albert Selden
Robinson, Paul Joseph
description Rotational atherectomy devices and systems can remove or reduce stenotic lesions in implanted grafts by rotating one or more abrasive elements within the graft. The abrasive elements can be attached to a distal portion of an elongate flexible drive shaft that extends from a handle assembly that includes a driver for rotating the drive shaft. In particular implementations, individual abrasive elements are attached to the drive shaft at differing radial angles in comparison to each other (e.g., configured in a helical array). The centers of mass of the abrasive elements can define a path that fully or partially spirals around the drive shaft.
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subjects DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
title ATHERECTOMY DEVICES AND METHODS
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