Adaptive rotator for gantry
First Claim
Patent Images
1. An adaptive rotator comprising:
- an at least partial ring mounted for rotation on a ring mount, said at least partial ring having provisions for mounting thereon accessories;
a gantry coupler adapted to couple said at least partial ring to a rotatable gantry; and
a mechanical compensator attached to at least one of said at least partial ring, said ring mount and said gantry coupler, said mechanical compensator yielding so that said at least partial ring rotates about a ring rotation axis generally collinear with a gantry rotation axis of the rotatable gantry without exercising significant forces on the rotatable gantry and said at least partial ring.
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Abstract
An adaptive rotator including an at least partial ring mounted for rotation on a ring mount, the at least partial ring having provisions for mounting thereon accessories, a gantry coupler adapted to couple the at least partial ring to a rotatable gantry, and a mechanical compensator attached to at least one of the at least partial ring, the ring mount and the gantry coupler, the mechanical compensator yielding so that the at least partial ring rotates about a ring rotation axis generally collinear with a gantry rotation axis of the rotatable gantry without exercising significant forces on the rotatable gantry and the at least partial ring.
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Citations
11 Claims
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1. An adaptive rotator comprising:
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an at least partial ring mounted for rotation on a ring mount, said at least partial ring having provisions for mounting thereon accessories; a gantry coupler adapted to couple said at least partial ring to a rotatable gantry; and a mechanical compensator attached to at least one of said at least partial ring, said ring mount and said gantry coupler, said mechanical compensator yielding so that said at least partial ring rotates about a ring rotation axis generally collinear with a gantry rotation axis of the rotatable gantry without exercising significant forces on the rotatable gantry and said at least partial ring. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An Image-Guided Radiotherapy (IGRT) system comprising:
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an at least partial ring mounted for rotation on a ring mount, said at least partial ring having provisions for mounting thereon accessories, said at least partial ring being coupled to a rotatable gantry by means of a gantry coupler, and a mechanical compensator attached to at least one of said at least partial ring, said ring mount and said gantry coupler, said mechanical compensator yielding so that said at least partial ring rotates about a ring rotation axis generally collinear with a gantry rotation axis of the rotatable gantry without exercising significant forces on the rotatable gantry and said at least partial ring; and an imaging device mounted on said at least partial ring adapted to provide images that guide movement of said gantry.
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Specification