Miniature x-ray unit
AssigneeSciMed Life Systems, Inc.
InventorsYem Chin, Charles H. Pugsley JR., David W. Hoffman
Life of this patent
Estimating the term…
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.
Claims14
Apparatus for delivering x-rays to a selected site within a body cavity comprising:
- a catheter having at least one lumen and an x-ray transparent window at a distal end thereof;
- an x-ray source in said at least one lumen adjacent said x-ray transparent window;
- a movable x-ray shield positioned to direct x-rays from said source through said x-ray transparent window to said selected site.
Apparatus for delivery x-rays to a selected site within a body cavity comprising:
- a catheter having at least one lumen and an x-ray transparent window at a distal end thereof;
- an x-ray source in said at least one lumen adjacent said x-ray transparent window;
- and
- inflatable anchoring or position balloons affixed to the outer valve of the outer and operably connected to a gas or liquid reservoir by transport ducts.
Method for treating precancerous conditions in a body cavity comprising positioning the apparatus of claim 13 adjacent the selected cancerous site and irradiating the site with a therapeutically effective dose of radiation.
Apparatus for delivering x-rays to a selected site within a body cavity comprising:
- a catheter having at least one lumen and an x-ray transparent window at a distal end thereof;
- an x-ray source in said at least one lumen adjacent said x-ray transparent window;
- a stationary x-ray shield positioned to direct x-rays from said source through said x-ray transparent window to said selected site.
Dependencies are inferred from the claim text.