Steerable endoluminal punch
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United States of America Patent
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Jul 23, 2013
Grant Date -
Sep 9, 2010
app pub date -
May 21, 2010
filing date -
Jul 25, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
This invention is a transvascularly placed punch, further including internal steerability and the ability to articulate in a direction at right angles to its longitudinal axis at or near its distal end. The punch is generally fabricated from stainless steel and includes an outer tube, an intermediate tube, a central stylet, hub structures, and a distal articulating region. The punch can be advanced through a body lumen in its straight configuration and then be selectively articulated or curved to permit negotiation of tortuous curvature or to permit optimal approach or access to a puncture site. The punch is able to create holes in the atrial septum of the heart or other structures and is easier to use than punches that are pre-curved near their distal tip since it is easier to advance through accessory catheters.
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