Surgical instruments and techniques for treating gastro-esophageal reflux disease
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United States of America Patent
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Issued Date -
Feb 18, 2010
app pub date -
Oct 15, 2009
filing date -
May 20, 1998
priority date (Note) -
Abandoned
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Abstract
Instruments for thermally-mediated treatment of a patient's lower esophageal sphincter (LES) to induce an injury healing response to thereby populate the extracellular compartment of walls of the LES with collagen matrices to alter the biomechanics of the LES to provide an increased intra-esophageal pressure for preventing acid reflux. A preferred embodiment is a bougie-type device for trans-esophageal introduction that carries conductive electrodes for delivering Rf energy to walls of the LES (i) to induce the injury healing response or (ii) to “model” collagenous tissues of the LES by shrinking collagen fibers therein.
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