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US 7,008,368 B2Granted
Method for making treatment strands
AssigneesIdeaMatrix, Inc., Worldwide Medical Technologies LLC
InventorsRichard A. Terwilliger, Gary A. Lamoureux
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Abstract
A delivery system and method for interstitial radiation therapy uses a seed strand composed of a plurality of tubular shaped, hollow radioactive seeds with a bore. The seed strand as assembled with a material provided in the bore and between the spaced seeds is axially stiff and radially flexible and is bioabsorbable in living tissue.
Claims4
A method to create a treatment strand tissue comprising the steps of:
- accepting a tissue treatment plan for the tissue to be treated, which treatment plan specifies a number of, and a spacing of, treatment seeds, said treatment seeds to be provided in the strand;
- threading a material through a bore of each of the specified number of treatment seeds;
- positioning the number of treatment seeds at the specified spacing;
- and
- heating to cause the material to expand and fix the seeds at the specified spacing.
2 more elements
Dependencies are inferred from the claim text.