Expandable electrode assemblies for forming lesions to treat dysfunction in sphincters and adjoining tissue regions
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United States of America Patent
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Jul 10, 2001
Issued Date -
N/A
app pub date -
May 4, 1999
filing date -
Feb 19, 1998
priority date (Note) -
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Abstract
Expandable assemblies for treating a tissue region at or near a sphincter comprises a support basket formed from an array of spines. A mechanism flexes the spines to expand and collapse the basket. Electrodes carried by the spines for advancement in a path to penetrate the tissue region upon expansion of the basket. The basket can be formed from a mechanical array of molded, jointed spines, or from an extruded tube having axial slits forming the spines.
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