Miniature X-ray unit

Surgery – Radioactive substance applied to body for therapy – Radioactive substance placed within body

Reexamination Certificate

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Reexamination Certificate

active

07901345

ABSTRACT:
A miniaturized x-ray apparatus for delivering x-rays to a selected site within a body cavity includes a catheter having at least one lumen and an x-ray transparent window at a distal end thereof; an x-ray source in the lumen adjacent said x-ray transparent window; a movable x-ray shield positioned to direct x-rays from the source through the x-ray transparent window to the selected site.

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