Global Patent Index - EP 0986818 A1

EP 0986818 A1 2000-03-22 - MEDICINAL, RADIOACTIVE RUTHENIUM RADIATION SOURCES WITH HIGH DOSAGE RATE AND METHOD FOR PRODUCING THE SAME

Title (en)

MEDICINAL, RADIOACTIVE RUTHENIUM RADIATION SOURCES WITH HIGH DOSAGE RATE AND METHOD FOR PRODUCING THE SAME

Title (de)

MEDIZINISCHE RADIOAKTIVE RUTHENIUM-STRAHLENQUELLEN HOHER DOSISLEISTUNG UND VERFAHREN ZUR HERSTELLUNG DIESER

Title (fr)

SOURCES IRRADIANTES RADIOACTIVES AU RUTHENIUM A DEBIT DE DOSE ELEVE, A USAGE MEDICAL ET LEUR PROCEDE D'OBTENTION

Publication

EP 0986818 A1 (DE)

Application

EP 99916898 A

Priority

  • DE 19815568 A
  • EP 9902159 W

Abstract (en)

[origin: DE19815568A1] The invention relates to radioactive ruthenium radiation sources with a dosage rate of at least 1.5 Gy/min at a distance (water) of 2 mm, consisting of an activity carrier and an encapsulation of the carrier made of a material compatible with the human body. A multilayer system made of metals and/or or alloys is galvanically applied on the carrier. At least two layers in said system are made of ruthenium 106 and inactive intermediate layers made of other metals or alloys are provided between the radioactive ruthenium layers. The activity carrier is encapsulated with a material compatible with the human body, for instance a metal or a plastic material. Encapsulation can be carried out by filling a capsule and subsequently sealing or galvanically depositing a top layer made, for instance, of hard gold.

IPC 1-7 (main, further and additional classification)

G21G 4/06

IPC 8 full level (invention and additional information)

G21G 4/08 (2006.01); A61M 36/00 (2006.01); A61M 36/12 (2006.01); C25D 3/50 (2006.01); C25D 5/10 (2006.01); A61N 5/10 (2006.01)

CPC (invention and additional information)

C25D 3/50 (2013.01); C25D 5/10 (2013.01); A61N 5/1002 (2013.01); A61N 2005/1019 (2013.01)

Citation (search report)

See references of WO 9950855A1

Designated contracting state (EPC)

CH DE FR GB IT LI NL

EPO simple patent family

DE 19815568 A1 19991007; DE 19815568 C2 20000608; EP 0986818 A1 20000322; JP 2002500772 A 20020108; US 6319190 B1 20011120; WO 9950855 A1 19991007

INPADOC legal status


2003-12-17 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030607

2000-03-22 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19991119

2000-03-22 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): CH DE FR GB IT LI NL