Wedge holding mechanism for vascular intervention device delivery system
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United States of America Patent
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Nov 21, 2017
Issued Date -
N/A
app pub date -
Jun 24, 2015
filing date -
Sep 15, 2014
priority date (Note) -
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Abstract
A vascular intervention device delivery system, such as for implanting a self expanding stent, includes a thumbwheel rotatably mounted in a handle. The thumbwheel includes a radially outward thumb surface. A catheter has a proximal end attached to the handle, and a distal carrier segment for mounting a vascular intervention device thereon. A retractable sheath is movable from a first position covering the distal carrier segment to a second position retracted proximally uncovering the distal carrier segment. A pull extends between the thumbwheel and the retractable sheath. A holding mechanism is operably positioned between the handle and the thumbwheel, and includes a wedge pin trapped to move in a wedge shaped cavity between a wedged position that prevents the thumb wheel from rotating, and an unwedged position that permits the thumbwheel to rotate to facilitate deployment of a self-expanding stent.
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