Device for carrying out proton therapy
First Claim
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1. An apparatus for treating a patient using proton therapy, comprising:
- a proton beam guiding device employing magnets, quadrupoles, and an end-mounted proton beam guiding and control device with an exit window for guiding or directing the proton beam to the treatment spot in the patient;
a controllably movable patient table for moving the patient to the desired position relative to the proton beam, said table positioned over an immobile floor;
wherein the proton beam guiding and control device is located so as to be turnable or rotatable by turning or rotating less than a fill 360°
about a horizontal axis in such a way that there results a region through which the proton beam guiding and control device is not freely movable, in which region the patient table located in essentially the plane of the horizontal axis of rotation remains accessible from the side and the beam guiding and control device is arranged to be turnable or rotatable by at least 135°
upwards and downwards from a horizontal plane running essentially through the horizontal axis of rotation; and
wherein the patient table is rotatable in a horizontal plane running essentially through the axis of rotation of the proton beam guiding device or parallel to it and displaced by a small deviation around an axis which runs essentially through the isocenter of the apparatus, which isocenter is formed by the intersection of the proton beam with the horizontal axis of rotation or with the intersection by approximation of the beam with the horizontal axis of rotation.
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Abstract
An apparatus for carrying out proton therapy on a patient comprises a proton beam guiding device using magnets, quadrupoles, and an end-mounted device for proton beam guiding and control device with an exit window for guiding or directing the proton beam to the treatment spot in the patient. A patient table of the apparatus can be moved in a controlled manner in such a way that the patient can be placed in a desired position with respect to the proton beam. The proton beam guiding and controlling device can be turnably or rotatably mounted around a horizontal axis of rotation in such a way that the patient table which is arranged approximately on the plane of the axis of rotation remains accessible from one side at all moments for the person treating the patient. The patient table can be displaced slightly on a horizontal plane, extending inside of the axis of rotation or parallel thereto, about an axis which runs approximately through the isocenter of the device, wherein the isocenter is formed by the intersection of the proton beam with the axis of rotation or the approximate point where the beam intersects with the axis of rotation. The apparatus is particularly suitable for use in the destruction of a sick organ or tumor in the human body.
104 Citations
13 Claims
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1. An apparatus for treating a patient using proton therapy, comprising:
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a proton beam guiding device employing magnets, quadrupoles, and an end-mounted proton beam guiding and control device with an exit window for guiding or directing the proton beam to the treatment spot in the patient;
a controllably movable patient table for moving the patient to the desired position relative to the proton beam, said table positioned over an immobile floor;
wherein the proton beam guiding and control device is located so as to be turnable or rotatable by turning or rotating less than a fill 360°
about a horizontal axis in such a way that there results a region through which the proton beam guiding and control device is not freely movable, in which region the patient table located in essentially the plane of the horizontal axis of rotation remains accessible from the side and the beam guiding and control device is arranged to be turnable or rotatable by at least 135°
upwards and downwards from a horizontal plane running essentially through the horizontal axis of rotation; and
wherein the patient table is rotatable in a horizontal plane running essentially through the axis of rotation of the proton beam guiding device or parallel to it and displaced by a small deviation around an axis which runs essentially through the isocenter of the apparatus, which isocenter is formed by the intersection of the proton beam with the horizontal axis of rotation or with the intersection by approximation of the beam with the horizontal axis of rotation. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. Apparatus for treating a patient using proton therapy, comprising:
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a proton bean guiding device employing magnets, quadrupoles, and an end-mounted proton beam guiding and control device with an exit window for directing the proton beam to the treatment spot in the patient;
a controllably movable patient table for moving the patient to the desired position relative to the proton bean;
wherein the exit window or a covering housing which is end-mounted on the proton beam guiding and control device and forms the exit window, is provided which is movement-coupled with the patient table during treatment such that during treatment of the patient discrete movements effected by the patient table are synchronously reproduced by the exit window or covering housing. - View Dependent Claims (9)
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10. A method for treating a patient using proton therapy, the method comprising:
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directing a proton beam to a treatment spot in a patient using an apparatus comprising a proton beam guiding device employing magnets, quadrupoles, and an end-mounted proton beam guiding and control device with an exit window for guiding or directing the proton beam to the treatment spot in the patient, wherein the proton beam guiding and control device is located so as to be tunable or rotatable by turning or rotating less than a full 360°
about a horizontal axis in such a way that there results a region through which the proton beam guiding and control device is not freely movable; and
a controllable movable patient table positioned over an immobile floor for moving the patient to the desired position relative to the proton beam and the guiding and control device is arranged to be turnable or rotatable by at least 135°
upwards and downwards from a horizontal plane running essentially through the horizontal axis of rotation; and
wherein the method includes positioning a person lying on the patient table by moving the patient table and proton beam guiding and control device of the apparatus such that the proton beam is directed to the treatment spot in the patient, and wherein the patient table remains accessible by way of said region at all times from one side. - View Dependent Claims (11, 12, 13)
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Specification
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Current AssigneePaul Scherrer-Institut (Schweizerische Eidgenossenschaft)
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Original AssigneePaul Scherrer-Institut (Schweizerische Eidgenossenschaft)
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InventorsPedroni, Eros
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Primary Examiner(s)Gilbert, Samuel G.
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Application NumberUS10/018,797Time in Patent Office936 DaysField of Search600/1-9, 600/410, 600/411, 600/414, 250/492.3, 250/306, 560/1US Class Current600/1CPC Class CodesA61N 2005/1087 Ions; ProtonsA61N 5/10 X-ray therapy; Gamma-ray th...A61N 5/1043 Scanning the radiation beam...A61N 5/1081 Rotating beam systems with ...
