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Publication Number
US-12702610-B2
Publication Date
2026-08-11
Expiration Date
Abstract
The present disclosure provides a subject support apparatus for a radiation therapy device comprising a base, a subject support tillable relative to the base, at least two first guides disposed between the subject support and the base and each inclined relative to the base, and a tilting module. The tilting module comprises a first actuator, and a plate disposed between the subject support and the base, and the plate is coupled to an underside of the subject support and to the first actuator such that movement generated by the first actuator is translated into movement of the plate along the at least two first guides, thereby causing the subject support to tilt relative to the base.
Core Innovation
The invention describes a subject support apparatus for a radiation therapy device. A subject support tilts relative to a base as a first actuator moves a plate along at least two inclined guides. The plate is coupled to the underside of the subject support and includes an elongated groove angled relative to the actuator's direction of movement, translating actuator movement into tilting of the support.
The described arrangement can include additional guides and a second actuator to provide independent pitch and roll, while opposed guides bias the support toward a neutral position. The document states that the compact mechanism can reduce support height, improve stability, and require less actuation energy. The background section and its statement of the problem being solved are not included in the provided content.
Claims Coverage
The provided claims include two independent claims and cover two inventive features: a tiltable subject support apparatus and a radiation therapy device incorporating that apparatus.
Tiltable subject support apparatus
A base and a subject support that is parallel to the base in a neutral position, with at least two inclined guides and a tilting assembly. A first actuator moves a plate along the guides to tilt the subject support; the plate has an elongated groove angled relative to the actuator's movement axis.
Radiation therapy device with a tiltable subject support
A radiation therapy device comprising a radiation source configured to emit radiation and a subject support apparatus with a base, inclined guides, and a tilting assembly. The actuator moves a plate along the guides to tilt the subject support, and the plate includes an elongated groove angled relative to the actuator's movement axis.
The independent claims cover both the subject support apparatus and a radiation therapy device comprising that apparatus. In both, actuator-driven plate movement along inclined guides tilts the support relative to the base.
Stated Advantages
The compact mechanism can reduce the height of the subject support.
The mechanism can improve stability.
The mechanism can require less actuation energy.
Documented Applications
Use in a radiation therapy device for delivering radiation to a subject.
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