Patient support device for radiation therapy
First Claim
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1. A patient support device for a radiation therapy system comprising:
- a load-bearing element supported rotatably on a stationary floor of a well structure about a vertical iso-axis extending through a treatment iso-center; and
a patient tabletop mounted on the load-bearing element,wherein at least one continuously variable leveling device serves to orient the load-bearing element,wherein the at least one continuously variable leveling device includes a bottom plate, a top plate, and an adjustable wedge disposed between the bottom and top plates, andwherein the at least one continuously variable leveling device is disposed such that a horizontal motion of the adjustable wedge causes a vertical motion of the load-bearing element.
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Abstract
A patient support device for a radiation therapy system has a load-bearing element, which is set up so as to be supported rotatably on a stationary structure about a vertical iso-axis extending through a treatment iso-center. The load-bearing element, with a patient tabletop mounted on it, can be leveled by a continuously adjustable leveling device. The leveling device is embodied in particular as a leveling shoe, which includes a bottom plate, a top plate, and an adjustable wedge disposed between them.
94 Citations
18 Claims
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1. A patient support device for a radiation therapy system comprising:
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a load-bearing element supported rotatably on a stationary floor of a well structure about a vertical iso-axis extending through a treatment iso-center; and a patient tabletop mounted on the load-bearing element, wherein at least one continuously variable leveling device serves to orient the load-bearing element, wherein the at least one continuously variable leveling device includes a bottom plate, a top plate, and an adjustable wedge disposed between the bottom and top plates, and wherein the at least one continuously variable leveling device is disposed such that a horizontal motion of the adjustable wedge causes a vertical motion of the load-bearing element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A patient support device for a radiation therapy system comprising:
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a load-bearing element supported rotatably on a stationary floor of a well structure about a vertical iso-axis extending through a treatment iso-center; and a patient tabletop mounted on the load-bearing element, wherein at least one continuously variable leveling device serves to orient the load-bearing element, wherein the at least one continuously variable leveling device includes a bottom plate, a top plate, and an adjustable wedge disposed between the bottom and top plates, and wherein the at least one continuously variable leveling device has a horizontally supported threaded spindle for adjusting the wedge. - View Dependent Claims (16)
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17. A patient support device for a radiation therapy system comprising:
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a load-bearing element supported rotatably on a stationary floor of a well structure about a vertical iso-axis extending through a treatment iso-center; and a patient tabletop mounted on the load-bearing element; wherein at least one continuously variable leveling device serves to orient the load-bearing element, and wherein the load-bearing element is mounted at least in part in the floor well functioning as the stationary structure, and the floor well on its bottom face, has a mounting face of concrete, in which levelings are anchored directly.
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18. A patient support device for a radiation therapy system comprising:
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a load-bearing element supported rotatably on a stationary floor of a well structure about a vertical iso-axis extending through a treatment iso-center; and a patient tabletop mounted on the load-bearing element; wherein at least one continuously variable leveling device serves to orient the load-bearing element, and wherein the load-bearing element is mounted at least in part in the floor well functioning as the stationary structure, wherein the at least one continuously variable leveling device includes a bottom plate, a top plate, and an adjustable wedge disposed between the bottom and top plates.
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Specification