Surgery – Instruments – Electrical application
Reexamination Certificate
2003-02-19
2010-11-16
Johnson, III, Henry M (Department: 3769)
Surgery
Instruments
Electrical application
C607S096000, C607S100000, C607S101000
Reexamination Certificate
active
07833220
ABSTRACT:
A method and apparatus (100) of treating tissue adjacent a bodily conduit using thermotherapy, while preventing obstructions of the bodily conduit due to edema, includes injection of a drug-encapsulated within a heat-sensitive carrier, such as a liposome, within a region of tissue to be treated. The heat produced by the energy-emitting source (110) heats a portion of the tissue surrounding the bodily conduit to a temperature of approximately 43° C. for a time sufficient to destroy the heated portion of the tissue. In addition, the heat produced by the energy-emitting source (110) activates the heat-sensitive carrier to activate the release of the encapsulated drug and the drug targets the tissue to be heated. The focused energy of the energy-emitting source together with the compression acting on the target area can assist in delivering drugs to the target area so that a natural stent has a long term efficacy.
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Fenn Alan J.
Mon John
Boston Scientific Corporation
Brown Rudnick LLP
Johnson, III Henry M
Roane Aaron
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