Dynamic filter for radiography system
AssigneeUniversity of Pittsburgh—Of the Commonwealth System of Higher Education
InventorsWilliam Anderst, Tom Gale
Life of this patent
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Abstract
A dynamic filter for a radiographic imaging system includes a frame having an interface member structured for coupling the dynamic filter to an x-ray source of the radiographic imaging system, a movable member made of an x-ray blocking material that is structured to block a portion of an incident x-ray beam of the x-ray source to prevent it from travelling to an x-ray detector of the radiographic imaging system, and a motor supported by the frame and coupled to the movable member, wherein the motor is structured and configured to control operation of the motor to move moveable member based on data indicative of a position of and/or movement of a patient
Claims20
A radiographic imaging system, comprising:
- a position and motion detecting apparatus structured and configured to be worn by a patient and to generate data indicative of a position of and/or movement of the patient;
- an x-ray source structured to generate an incident x-ray beam;
- an x-ray detector structured to detect a transmitted x-ray beam;
- a dynamic filter coupled to the x-ray source, the dynamic filter having a movable member made of an x-ray blocking material and structured to block a portion of the incident x-ray beam to prevent it from travelling to the x-ray detector;
- and
- a controller coupled to the position and motion detecting apparatus and the dynamic filter, wherein movement and positioning of the movable member is controlled by the controller based on the data indicative of position of and/or movement of the patient.
A dynamic filter for a radiographic imaging system, comprising:
- a frame having an interface member structured for coupling the dynamic filter to an x-ray source of the radiographic imaging system;
- a movable member made of an x-ray blocking material and being structured to block a portion of an incident x-ray beam of the x-ray source to prevent it from travelling to an x-ray detector of the radiographic imaging system;
- and
- a motor supported by the frame and coupled to the movable member, wherein the motor is structured and configured to control operation of the motor to move moveable member based on data indicative of a position of and/or movement of a patient.
A radiographic imaging method, comprising:
- generating an incident x-ray beam;
- generating data indicative of a position of and/or movement of the patient during a movement task;
- and
- controlling movement and positioning of a movable member of a dynamic filter based on the data indicative of position of and/or movement of the patient to block a portion of the incident x-ray beam to prevent it from travelling to an x-ray detector.
Dependencies are inferred from the claim text.