Global Patent Index - EP 1064051 A1

EP 1064051 A1 2001-01-03 - CONTROLLING DELIVERY OF RADIOTHERAPY

Title (en)

CONTROLLING DELIVERY OF RADIOTHERAPY

Title (de)

STEUERUNG ZUR STRAHLENTHERAPIE

Title (fr)

CONTROLE DE LA MISE EN OEUVRE DE RADIOTHERAPIES

Publication

EP 1064051 A1 (EN)

Application

EP 99911913 A

Priority

  • GB 9900886 W
  • GB 9806057 A

Abstract (en)

[origin: GB2335583A] A system for discrete beam intensity modulation uses a multi-leaf collimator to determine irradiation from a linear accelerator. The leaves of the collimator are adjusted during irradiation (Fig.2a), and the diaphragms or jaws of a further collimator are advanced beyond the collimator leaves (Fig.2b) when necessary so as to prevent over-dosing while maintaining at least minimum leaf separation. An algorithm is used to control the movement of the collimators.

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

A61N 5/10; G21K 1/04

IPC 8 full level (invention and additional information)

A61N 5/10 (2006.01); G21K 1/04 (2006.01)

CPC (invention and additional information)

A61N 5/1042 (2013.01); G21K 1/04 (2013.01); G21K 1/046 (2013.01); A61N 5/1036 (2013.01)

Citation (search report)

See references of WO 9948558A1

Designated contracting state (EPC)

DE ES FR GB IT NL

EPO simple patent family

GB 2335583 A 19990922; GB 2335583 B 20020529; GB 9806057 D0 19980520; CA 2324446 A1 19990930; CN 1202884 C 20050525; CN 1298317 A 20010606; EP 1064051 A1 20010103; JP 2002507462 A 20020312; WO 9948558 A1 19990930

INPADOC legal status


2004-08-25 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20040217

2003-09-17 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030805

2001-01-03 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001005

2001-01-03 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

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