Tissue patches and related delivery systems and methods
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United States of America Patent
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Oct 11, 2011
Grant Date -
Nov 11, 2004
app pub date -
May 5, 2003
filing date -
May 5, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A tissue patch for treatment of a lesion in an alimentary tract of a patient includes a tissue implant having a top surface and a bottom surface. The tissue patch also includes a substrate completely surrounding the tissue implant such that the substrate forms a first layer on the top surface and a second layer on the bottom surface. At least one of the first and second layers contacts the respective top or bottom surface and is entirely bio-absorbable so that the tissue implant touches an area of the patient's tissue upon dissolving of the at least one of the first and second layers. The first layer has a first predetermined thickness and the second layer has a second predetermined thickness different from the first predetermined thickness.
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