CONTOUR COLLIMATOR FOR USE IN RADIOTHERAPY

A contour collimator for radiation therapy has a plurality of diaphragm elements that are movable with respect to each other by means of drive units. The diaphragm elements of the invention are supported on the side of the drive units for ease of movement, even in the case of diaphragm elements. Thi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HOVER, KARL-HEINZ, SCHLEGEL, WOLFGANG, PASTYR, OTTO, ECHNER, GERNOT, RICHTER, JURGEN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ELECTROTHERAPY GAMMA RAY OR X-RAY MICROSCOPES HUMAN NECESSITIES HYGIENE IRRADIATION DEVICES MAGNETOTHERAPY MEDICAL OR VETERINARY SCIENCE NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS RADIATION THERAPY TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOTOTHERWISE PROVIDED FOR ULTRASOUND THERAPY
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Beschreibung
Zusammenfassung:	A contour collimator for radiation therapy has a plurality of diaphragm elements that are movable with respect to each other by means of drive units. The diaphragm elements of the invention are supported on the side of the drive units for ease of movement, even in the case of diaphragm elements. This allows larger contour collimators to be constructed having relatively heavy diaphragm elements while retaining relatively small motors. A preferred embodiment provides for diaphragm groups that are arranged opposite to one another and can be moved as a group towards and away from each other in addition to the movement of the individual diaphragm elements.