US 8,821,835 B2 | Flexible and/or elastic brachytherapy seed or strand

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US 8,821,835 B2

Flexible and/or elastic brachytherapy seed or strand

Tech Center:

1600 Biotechnology and Organic Chemistry

Examiner:

Jake Vu

Art Unit:

1618 Organic Compounds: Bio-affecting, Body Treating, Drug Delivery, Steroids, Herbicides, Pesticides, Cosmetics, and Drugs

Agent:

Pabst Patent Group LLP

Inventors:

Edward J. Kaplan

Assignee:

MICROSPHERIX LLC

Priority:

11/16/00

Filed:

06/13/13

Granted:

09/02/14

Expiration:

10/10/22

Abstract

A flexible or elastic brachytherapy strand that includes an imaging marker and/or a therapeutic, diagnostic or prophylactic agent such as a drug in a biocompatible carrier that can be delivered to a subject upon implantation into the subject through the bore of a brachytherapy implantation needle has been developed. Strands can be formed as chains or continuous arrays of seeds up to 50 centimeters or more, with or without spacer material, flaccid, rigid, or flexible.

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