RADIATION THERAPY APPARATUS HAVING RETRACTABLE BEAM STOPPER

RADIATION THERAPY APPARATUS HAVING RETRACTABLE BEAM STOPPER A translation mechanism for linearly moving a beam stopper in radiation therapy apparatus includes first and second arms pivotally mounted to a support and third and fourth arms pivotally mounted to the first and second-arms. The third and...

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1. Verfasser:	COAD, GEORGE L
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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creator	COAD, GEORGE L
description	RADIATION THERAPY APPARATUS HAVING RETRACTABLE BEAM STOPPER A translation mechanism for linearly moving a beam stopper in radiation therapy apparatus includes first and second arms pivotally mounted to a support and third and fourth arms pivotally mounted to the first and second-arms. The third and fourth arms are attached to the beam stopper and can comprise part of the beam stopper. In one embodiment, the third and fourth arms include disc shaped portions stacked in axial alignment with a drive motor attached to one disc portion and having a drive shaft axially aligned with and coupled to the other portion whereby relative rotation of the disc portions effects linear translation of. the beam stopper.
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The third and fourth arms are attached to the beam stopper and can comprise part of the beam stopper. In one embodiment, the third and fourth arms include disc shaped portions stacked in axial alignment with a drive motor attached to one disc portion and having a drive shaft axially aligned with and coupled to the other portion whereby relative rotation of the disc portions effects linear translation of. the beam stopper.</description><language>eng ; fre</language><subject>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</subject><creationdate>1983</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19830215&DB=EPODOC&CC=CA&NR=1141484A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76292</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19830215&DB=EPODOC&CC=CA&NR=1141484A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>COAD, GEORGE L</creatorcontrib><title>RADIATION THERAPY APPARATUS HAVING RETRACTABLE BEAM STOPPER</title><description>RADIATION THERAPY APPARATUS HAVING RETRACTABLE BEAM STOPPER A translation mechanism for linearly moving a beam stopper in radiation therapy apparatus includes first and second arms pivotally mounted to a support and third and fourth arms pivotally mounted to the first and second-arms. The third and fourth arms are attached to the beam stopper and can comprise part of the beam stopper. 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The third and fourth arms are attached to the beam stopper and can comprise part of the beam stopper. In one embodiment, the third and fourth arms include disc shaped portions stacked in axial alignment with a drive motor attached to one disc portion and having a drive shaft axially aligned with and coupled to the other portion whereby relative rotation of the disc portions effects linear translation of. the beam stopper.</abstract><oa>free_for_read</oa></addata></record>
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language	eng ; fre
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subjects	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
title	RADIATION THERAPY APPARATUS HAVING RETRACTABLE BEAM STOPPER
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