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1. WO2000009210 - RADIOACTIVE SEED AND METHOD OF MAKING

Publication Number WO/2000/009210
Publication Date 24.02.2000
International Application No. PCT/US1999/018365
International Filing Date 12.08.1999
Chapter 2 Demand Filed 14.02.2000
IPC
A61N 5/10 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
CPC
A61N 2005/1024
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
1001using radiation sources introduced into or applied onto the body; brachytherapy
1019Sources therefor
1024Seeds
A61N 5/1027
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
5Radiation therapy
10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
1001using radiation sources introduced into or applied onto the body; brachytherapy
1027Interstitial radiation therapy
Applicants
  • SYNTHEON, LLC [US]/[US] (AllExceptUS)
  • SLATER, Charles, R. [--]/[US] (UsOnly)
  • JAHRMARKT, Scott, L. [--]/[US] (UsOnly)
  • SMITH, Scott, T. [--]/[US] (UsOnly)
Inventors
  • SLATER, Charles, R.
  • JAHRMARKT, Scott, L.
  • SMITH, Scott, T.
Agents
  • GORDON, David, P.
Priority Data
09/133,07212.08.1998US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) RADIOACTIVE SEED AND METHOD OF MAKING
(FR) GRAINS RADIOACTIFS ET PROCEDE DE FABRICATION
Abstract
(EN) Radioactive therapeutic seeds (10) include a seed capsule (12), a radioactive isotope (16), and a radiopaque marker (14). According to one embodiment of the invention, the radiopaque marker (14) is a silver wire coil, and the isotope (16) is coated on the surface of the coil. According to a first method of the invention, the therapeutic dosage of the seed is adjusted during manufacture by expanding or contracting the coil before it is sized, and deposited in the capsule.
(FR) La présente invention concerne des grains radioactifs thérapeutiques (10) constitués d'une capsule de grain (12), d'un radio-isotope (16) et d'un marqueur opaque aux rayons X (14). Selon l'une des réalisations de l'invention, le marqueur opaque aux rayons X (14) est un enroulement de fil d'argent, le radio-isotope (16) étant un enduit déposé sur la surface de l'enroulement. Un premier procédé de l'invention consiste, pour régler la dose posologique thérapeutique du grain, à étirer ou resserrer l'enroulement avant calibrage et dépôt dans la capsule.
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