Systems and methods for percutaneous intravascular access and guidewire placement
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United States of America Patent
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Feb 10, 2015
Issued Date -
N/A
app pub date -
Nov 2, 2012
filing date -
Nov 4, 2011
priority date (Note) -
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Abstract
A device for allowing passage of a guidewire from a primary blood vessel to an adjacent secondary blood vessel includes a main body having a primary lumen and a secondary lumen, and a piercing member disposed in the secondary lumen, and configured to be moved distally out of the secondary lumen, and to pierce through tissue while being distally moved. A third lumen located within the piercing member is configured to allow placement of a guidewire from the primary blood vessel to the adjacent secondary blood vessel. In one embodiment, the secondary lumen is configured to allow articulation of the distal end of the piercing element. The piercing member has a sharp point on one end to facilitate cutting a small communicating aperture from the primary blood vessel to the secondary blood vessel.
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