Title:
CONTOUR COLLIMATOR FOR RADIOTHERAPY
Document Type and Number:
WIPO Patent Application WO1997013255
Kind Code:
A3
Abstract:
A contour collimator has a plurality of plate-shaped diaphragm elements movably arranged with respect to each other in a guiding block to form a contour diaphragm for a radiation beam emitted by a radiation source towards the collimator, and at least one drive for moving the diaphragm elements. A drive is associated with each diaphragm element with the drives of a group of diaphragm elements being substantially adjacent, and a driving transmission arranged between each drive and the associated diaphragm element.
Inventors:
PASTYR OTTO (DE)
SCHLEGEL WOLFGANG (DE)
HOEVER KARL-HEINZ (DE)
MAIER-BORST WOLFGANG (DE)
SCHLEGEL WOLFGANG (DE)
HOEVER KARL-HEINZ (DE)
MAIER-BORST WOLFGANG (DE)
Application Number:
PCT/DE1996/001892
Publication Date:
June 19, 1997
Filing Date:
October 01, 1996
Export Citation:
Assignee:
DEUTSCHES KREBSFORSCH (DE)
PASTYR OTTO (DE)
SCHLEGEL WOLFGANG (DE)
HOEVER KARL HEINZ (DE)
MAIER BORST WOLFGANG (DE)
PASTYR OTTO (DE)
SCHLEGEL WOLFGANG (DE)
HOEVER KARL HEINZ (DE)
MAIER BORST WOLFGANG (DE)
International Classes:
A61N5/10; G21K1/04; (IPC1-7): G21K1/04
Domestic Patent References:
| WO1994029882A1 | 1994-12-22 |
Foreign References:
| FR2485790A1 | 1981-12-31 | |||
| US4313349A | 1982-02-02 | |||
| EP0387921A2 | 1990-09-19 | |||
| US5555283A | 1996-09-10 |
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