Computer controlled stereotaxic radiotherapy system and method
First Claim
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1. An integrated patient diagnostic and treatment system for intracranial lesions, comprising:
- a diagnostic device having a first treatment couch;
a first positioning assembly secured to said first treatment couch, said first positioning assembly including a stereotaxic phantom assembly;
a patient positioning device adapted to be attached to the skull of the patient and which is releasably secured to said first positioning assembly during the operation of said diagnostic device on said patient;
a computer means for receiving output signals from said diagnostic device;
a treatment system connected to said computer device, said treatment system including a second treatment couch;
a second positioning assembly secured to said second treatment couch such that said patient positioning device may be releasably secured to said second treatment couch to perform treatment on said patient; and
a magnetic positioner system having a component attached to said treatment system and a component attached to said patient positioning device, said magnetic positioner system being connected to said computer means;
whereby said treatment device can be aligned such that it efficiently treats said intracranial lesion.
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Abstract
A computer controlled stereotoxic radiotherapy system is disclosed which facilitates a precise localization and subsequent irradiation of small intracranial tumors. The system permits the accurate integration of the diagnostic and therapeutic procedures utilized in connection with intracranial tumors, including precise determination of space coordinates of the tumor and the repetitive repositioning of the patients'"'"'s head in space within a scanner and/or accelerator coordinate system. The system is uniquely designed for fractionated repetitive radiotherapy but may be used in other medical fields such as surgery and radiology.
340 Citations
18 Claims
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1. An integrated patient diagnostic and treatment system for intracranial lesions, comprising:
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a diagnostic device having a first treatment couch; a first positioning assembly secured to said first treatment couch, said first positioning assembly including a stereotaxic phantom assembly; a patient positioning device adapted to be attached to the skull of the patient and which is releasably secured to said first positioning assembly during the operation of said diagnostic device on said patient; a computer means for receiving output signals from said diagnostic device; a treatment system connected to said computer device, said treatment system including a second treatment couch; a second positioning assembly secured to said second treatment couch such that said patient positioning device may be releasably secured to said second treatment couch to perform treatment on said patient; and a magnetic positioner system having a component attached to said treatment system and a component attached to said patient positioning device, said magnetic positioner system being connected to said computer means; whereby said treatment device can be aligned such that it efficiently treats said intracranial lesion. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for providing integrated patient diagnosis and treatment for an intracranial lesion, comprising the steps of:
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fixing first and second identical positioning devices to treatment couches of diagnostic and treatment devices; fixing a patient positioning device to the skull of a patient; releasably securing said patient positioning device to said first positioning device; performing a diagnostic procedure with said diagnostic device on said patient to determine the position coordinates of said lesion within the skull of said patient; releasably securing said patient positioning device to said second positioning device; attaching different components of a three-dimensional magnetic positioner device to both said patient positioning device and said treatment device; and processing the position coordinates produced by said diagnostic procedure together with information generated by said three-dimensional magnetic positioner device to align an isocenter of said treatment device with said lesion for treatment. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification