Motion Compensated Image-Guided Focused Ultrasound Therapy System
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Accused Products
Abstract
An image-guide therapy system comprises a thermal treatment device (e.g., an ultrasound transducer) configured for transmitting a therapeutic energy beam, and The system further comprises an imaging device (e.g., a magnetic resonant imaging (MRI) device) configured for acquiring images of the target tissue mass and the thermal treatment device. The system further comprises a controller configured for controlling thermal dose properties of the thermal treatment device to focus the energy beam on a target tissue mass located in an internal body region of a patient, and a processor configured for tracking respective positions of the thermal treatment device and the target tissue mass in a common coordinate system based on the acquired images. The system may optionally comprise a display configured for displaying the acquired images.
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Citations
45 Claims
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1-24. -24. (canceled)
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25. An image-guided therapy system for applying thermal treatment to a target tissue mass notwithstanding motion of the target tissue mass, the system comprising:
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a thermal treatment device configured for transmitting a therapeutic energy beam; an imaging device configured for acquiring images of a scanning window around the target tissue mass; a processor configured for tracking relative movement between a focal zone of the energy beam and the target tissue mass in a common coordinate system based on the acquired images; and a controller configured for controlling the thermal treatment device to focus the energy beam on the target tissue mass, the controller being responsive to the processor so as to automatically maintain the focus of the energy beam on the target tissue mass notwithstanding the motion, wherein the imaging device is responsive to the processor so as to adjust a location of the scanning window to correspond with a position of the target tissue mass notwithstanding the motion. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. An image-guided therapy method for applying thermal treatment to a target tissue mass notwithstanding motion of the target tissue mass, the system comprising:
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focusing a therapeutic energy beam from a thermal treatment device on the target tissue mass; acquiring images of a scanning window around the target tissue mass; tracking relative movement between a focal zone of the energy beam and the target tissue mass in a common coordinate system based on the acquired images; controlling the thermal treatment device so as to automatically maintain the focus of the energy beam on the target tissue mass notwithstanding the motion; and adjusting a location of the scanning window to correspond with a position of the target tissue mass notwithstanding the motion. - View Dependent Claims (42, 43, 44, 45)
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Specification