Fiberoptic display for a video image
First Claim
1. A video display for an imaging zone of a Magnetic Resonance Imaging (MRI) apparatus, comprising:
- means for receiving a video image;
means for transferring the video image into the imaging zone of the MRI apparatus when the MRI apparatus is generating a high magnetic flux density in the imaging zone without the high magnetic flux density degrading the video image or the video image degrading the high magnetic flux density; and
means for displaying the video image to a patient who is in the imaging zone when the MRI apparatus is generating the high magnetic flux density in the imaging zone.
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Abstract
A coherent fiberoptic display for a region having strong magnetic field. Transfer optics launch the image into one end of a coherent fiberoptic bundle that transfers the image to the display. Transfer optics at the other end of the coherent fiberoptic bundle direct the image to a fiberoptic taper. The image is viewed on the expanded end of the fiberoptic taper. The image can comprise a video image formed by a CRT located in a region of low magnetic flux density and the fiberoptic taper can be positioned in the imaging zone of a Magnetic Resonance Imaging (MRI) apparatus. The video image can allow the patient to watch television during magnetic resonance imaging. This distraction will reduce the anxiety experienced during magnetic resonance so that the patient is less apt to move and the magnetic resonance images are less apt to be blurred or destroyed. The efficiency of magnetic resonance imaging is thus improved.
46 Citations
22 Claims
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1. A video display for an imaging zone of a Magnetic Resonance Imaging (MRI) apparatus, comprising:
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means for receiving a video image; means for transferring the video image into the imaging zone of the MRI apparatus when the MRI apparatus is generating a high magnetic flux density in the imaging zone without the high magnetic flux density degrading the video image or the video image degrading the high magnetic flux density; and means for displaying the video image to a patient who is in the imaging zone when the MRI apparatus is generating the high magnetic flux density in the imaging zone. - View Dependent Claims (2, 3, 4)
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5. An apparatus for transferring an active optical image across a gradient between a region having a high magnetic flux density and a region having a low magnetic flux density, comprising:
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means for receiving the entire active optical image in one region in real time; means for transferring the entire active optical image across the gradient together in real time without the magnetic flux degrading the image or the image degrading the magnetic flux; and means for displaying the entire active optical image in the other region in real time. - View Dependent Claims (6, 7, 8, 9, 10)
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11. A method of displaying a video image in an imaging zone of a Magnetic Resonance Imaging (MRI) apparatus, comprising the steps:
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receiving the video image; transferring the video image into the imaging zone of the MRI apparatus when the MRI apparatus is generating a high magnetic flux density in the imaging zone without the high magnetic flux density degrading the video image or the video image degrading the high magnetic flux density; and displaying the video image to a patient who is in the imaging zone when the MRI apparatus is generating the high magnetic flux density in the imaging zone.
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12. A method of transferring an entire active optical image across a gradient between a region having a high magnetic flux density and a region having a low magnetic flux density, comprising the steps of:
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receiving the entire active optical image in one region; transferring the entire active optical image across the gradient together in real time without the magnetic flux degrading the image or the image degrading the magnetic flux; and displaying the entire active optical image in the other region in real time. - View Dependent Claims (13, 14, 15)
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16. A Magnetic Resonance Imaging (MRI) apparatus, comprising:
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means for receiving a video image; means for transferring the video image into an imaging zone of the MRI apparatus when the MRI apparatus is generating a high magnetic flux density in the imaging zone without the high magnetic flux density degrading the video image or the video image degrading the high magnetic flux density; and means for displaying the video image to a patient who is in the imaging zone when the MRI apparatus is generating the high magnetic flux density in the imaging zone. - View Dependent Claims (17, 18, 19)
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20. An apparatus for transferring an optical image across a gradient between a region having a high magnetic flux density and a region having a low magnetic flux density, comprising:
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means for receiving the optical image in a region of low magnetic flux density; means for transferring the optical image across the gradient without the magnetic flux degrading the image or the image degrading the magnetic flux; and means for displaying the optical image in having a high magnetic flux density, wherein the region of high magnetic flux density is an imaging zone of a magnetic resonance (MRI) apparatus. - View Dependent Claims (21)
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22. A method of transferring an optical image across a gradient between a region having a high magnetic flux density and a region having a low magnetic flux density, comprising the steps of:
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receiving the optical image in a region of low magnetic flux density; transferring the optical image across the gradient without the magnetic flux degrading the image or the image degrading the magnetic flux; and displaying the optical image in the region of high magnetic flux density corresponding to an imaging zone of an MRI apparatus.
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Specification