Agent for regenerating tympanic membrane or external auditory canal
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United States of America Patent
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Oct 20, 2015
Grant Date -
May 12, 2011
app pub date -
Jun 26, 2009
filing date -
Jun 26, 2008
priority date (Note) -
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Abstract
Provided is a tympanic membrane or ear canal regeneration agent comprising a combination of a gelatin sponge that carries basic fibroblast growth factor (bFGF) and a covering material. The covering material is used not only to fix the gelatin sponge to the affected portion, but also for the purpose of preventing drying and infections to provide a culturing environment that is favorable for regenerating tissue isolated from the outside. To promote tissue regeneration, the margin of the tympanic membrane or ear canal defect is preferably freshened in advance.
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