X-ray or gamma ray systems or devices – Specific application – Absorption
Reexamination Certificate
2011-02-08
2011-02-08
Casler, Brian (Department: 3737)
X-ray or gamma ray systems or devices
Specific application
Absorption
C378S065000, C378S119000, C600S001000, C600S002000, C600S003000, C600S004000, C600S005000, C600S006000, C600S007000, C600S008000, C600S452000, C600S459000, C128S897000, C128S898000, C128S899000
Reexamination Certificate
active
07885382
ABSTRACT:
Methods and apparatus are described for irradiating living tissue via a cavity or lumen, using an inflatable balloon applicator. In a preferred embodiment the applicator balloon has a balloon skin with x-ray contrast material in relatively low concentration, so that an outline of the balloon will appear sharply when imaged externally. In another preferred embodiment the balloon catheter has a drain for withdrawing liquids from the cavity, which may include channels or texture on the exterior of the balloon. Methods are described for using a switchable miniature x-ray tube, variable as to voltage and current, to achieve accuracy in an isodose profile.
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Francescatti Darius
Lim Alex
Lovoi Paul A.
Rusch Thomas W.
Stewart Daren L.
Casler Brian
Freiburger Thomas M.
Ramirez John F
Xoft, Inc.
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