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US 2014/0275697 A1Published application
Treatment couch for small isocentric rotations
AssigneeVarian Medical Systems International AG
InventorReto W. Filiberti
Life of this patent
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Abstract
A treatment system for a patient includes a treatment couch to position the patient. The treatment couch includes a couch top and one or more stages to pitch the couch top about a lateral axis and/or roll the couch top about a longitudinal axis, translate the couch top along lateral directions and/or longitudinal directions, rotate the couch top about a vertical axis, and translate the couch top along vertical directions.
Claims16
A treatment system for a patient, comprising:
- a treatment couch to position the patient, comprising:
- a couch top;
- and
- one or more stages to:
- pitch the couch top about a lateral axis and/or to roll the couch top about a longitudinal axis;
- to translate the couch top along lateral directions and/or longitudinal directions;
- to rotate the couch top about a vertical axis;
- and
- to translate the couch top along vertical directions.
6 more elements
A method to move a couch top, comprising:
- isocentrically rotating a couch top about a first vertical axis passing through an isocenter, comprising:
- rotating the couch top about a second vertical axis offset from the first vertical axis;
- and
- translating the couch top along the lateral and the longitudinal directions to compensate for lateral and longitudinal displacements from the first vertical axis caused by said rotating.
1 more element
Dependencies are inferred from the claim text.