Patent · US Expired

Medical radioactive iodine-125 miniature radiation sources and methods of producing same

US6485406B1 · kind B1 · utility

21Cited by

19References

15Claims

0Family size

Assignee

Eurotope Entwicklungsgesellschaft fÃƒÂ¼r Isotopentechnologien mbH · DE

Inventors

Jürgen Ziegler · Heuchelheim, DE
Claudia Muller · Trebsen/Mulde, DE
Gunnar Mann · Berlin, DE
Andre Hess · Berlin, DE

Key dates

Filing date	Oct 21, 1999
Grant date	Nov 26, 2002
Priority date	—
Expiry date	Oct 21, 2019

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61N2005/1024
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The present invention relates to new radioactive iodine-125 miniature radiation sources (seeds) comprising a radioactive carrier matrix which consists of a porous and mechanically stable inorganic material, the pores of which contain inorganic insoluble iodide-125, and which is enclosed within a capsule made of a corrosion-resistent and body-compatible material or which is coated with such a material. The iodine seeds according to the present invention further may contain (a) usual X-ray marker(s). Another object of the present invention are methods for manufacturing said novel iodine-125 seeds.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.