Method and device for generating a passive movement in a diagnostic device
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Abstract
A method and an apparatus for generating a passive movement of a patient in a magnetic resonance tomograph. The apparatus includes a support for supporting at least one body part of the patient. The support, together with a patient bed can be moved into a passage of the magnetic resonance tomograph. Driven by a motor, the support can be swiveled about at least one axis inside the passage of the magnetic resonance tomograph. The components of the support and its drive, which are disposed inside the passage of the magnetic resonance tomograph, are made of non-ferromagnetic materials.
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Citations
43 Claims
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1-10. -10. (canceled)
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11. A device comprising:
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at least one first support surface for at least one first body part; means for stabilizing at least one side of the at least one first body part; means for fixing the at least one first body part with the at least one first support surface; means for pivoting the at least one first support surface about a first axis to apply passive movement to the first body part; means for pivoting the at least one first support surface about a second axis to apply passive movement to the first body part; means for applying pressure to the at least one first support surface to thereby apply pressure to the at least one first body part; and means for sensing a pivotal position of the at least one first support surface. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. A device comprising:
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at least one first support surface for at least one first body part; opposing sidewall adjacent respective sides of the at least first body part; the at least one first body part being detachably fixed with the at least one first support surface; a first drive for pivoting the at least one first support surface about a first axis to apply passive movement to the first body part; a second drive for pivoting the at least one first support surface about a second axis to apply passive pressure to the first body part; at least one second support surface for a second body part, the first drive pivoting the at least one second support surface about the first axis; the second drive pivoting the at least one second support surface about the second axis; the at least first and second support surfaces being pivoted independently about the first and second axes; a pneumatic or hydraulic source for applying pressure to the at least one first support surface to thereby apply pressure to the at least one first body part; means for sensing a pivotal position of the at least one first support surface and the at least one second support surface; means for sensing the pressure applied by the pneumatic or hydraulic source for applying pressure; the material for the at least one first support surface and the at least one second support surface and the opposing side walls and the detachable fixing and the first and second drive for pivoting and the source for applying pressure and the means for sensing is chosen to avoid interferences or artifacts in imaging. a control unit disposed in a space separate from the device; a plurality of electrically grounded and magnetic shielded lines connecting the control unit with the first and second drives for pivoting. - View Dependent Claims (39)
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40. A method for using a device for imaging comprising:
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providing at least one first support surface for at least one first body part; stabilizing at least one side of the at least one first body part; fixing the at least one first body part with the at least one first support surface; pivoting the at least one first support surface about a first axis to apply passive movement to the first body part; pivoting the at least one first support surface about a second axis to apply passive movement to the first body part; applying pressure to the at least one first support surface to thereby apply pressure to the at least one first body part; sensing a pivotal position of the at least one first support surface. disposing a control unit in a space separate from the device; connecting the unit with a plurality of electrically grounded and magnetic shielded lines to control the pivoting; disposing the device in an imaging modality; and locating the control unit exterior to the imaging modality. - View Dependent Claims (41, 42, 43)
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Specification