Tissue modification devices and methods
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United States of America Patent
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Mar 19, 2013
Grant Date -
Apr 19, 2012
app pub date -
Dec 27, 2011
filing date -
Jul 1, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Described herein are devices and methods for cutting tissue in a patient. In some embodiments, a bimanually controlled device may include a tissue modification region; at least two flexible elongate lengths of cable that extend substantially adjacent to each other proximally to distally; a plurality of rungs extending between the lengths of cable; and a pair of flexible elongate cutting members extending along the length of the tissue modification region of the device. Each elongate cutting member has a thickness cuts a discrete trough into tissue to a depth that is greater than the thickness of the cutting member. The device may further include a substrate sized and configured to releasably hold the cutting members a distance from one another and a pair of couplers positioned toward an outer edge region of the substrate and configured to releasably secure a cutting member to the outer edge region of the substrate.
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