Guide-wire dilation device for facilitation of lesion crossing

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United States of America Patent

PATENT NO 9345509
APP PUB NO 20140107681A1
SERIAL NO

14135656

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Importance

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Abstract

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Devices and methods are disclosed for widening a channel in a treatment site, the channel containing a guide-wire. The channel is widened by advancing an elongated dilation device, which is configured to fit tightly over the guide-wire at the distal tip of the dilation device and to provide a distal dilating surface, over the guide-wire and at least partially through the treatment site. The dilation device comprises a tubular metallic shaft, typically a metal inner tube, for providing sufficient stiffness and column strength for the dilator to be advanced at least partially through the channel, and a flexible sleeve providing a tapered distal tip. The distal end of the dilator defines a leading surface that is shaped to force away portions of a lesion surrounding the guide-wire away from the guide-wire as the distal end is advanced over the guide-wire through the lesion, whereby a channel through the lesion is at least partially dilated.

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Patent Owner(s)

Patent OwnerAddress
BOSTON SCIENTIFIC MEDICAL DEVICE LIMITEDGALWAY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Davies, Gareth Toronto, CA 146 1283
Luk, Maria Toronto, CA 13 289
Strauss, Bradley H Toronto, CA 7 147
Waram, Thomas C Dundas, CA 8 432

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