Magnetic Particle Imaging Devices and Methods
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Abstract
A magnetic particle imaging device is provided. The device includes a magnetic field source configured to produce a magnetic field having a non-saturating magnetic field region, an excitation signal source configured to produce an excitation signal in the non-saturating magnetic field region that produces a detectable signal from magnetic particles in the non-saturating magnetic field region, and a signal processor configured to convert a detected signal into an image of the magnetic particles. Aspects of the present disclosure also include methods of imaging magnetic particles in a sample, and methods of producing an image of magnetic particles in a subject. The subject devices and methods find use in a variety of applications, such as medical imaging applications.
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Citations
59 Claims
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1-29. -29. (canceled)
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30. A magnetic particle imaging device comprising:
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a magnetic field source configured to produce a magnetic field having a non-saturating magnetic field region; an excitation signal source configured to produce an excitation signal in the non-saturating magnetic field region that produces a detectable signal from magnetic particles in the non-saturating magnetic field region; and a signal processor configured to convert the detectable signal into an image of the magnetic particles. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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45. A method of producing an image of magnetic particles in a sample, the method comprising:
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applying a magnetic field having a non-saturating magnetic field region to a sample comprising magnetic particles; applying an excitation signal to the magnetic particles in the non-saturating magnetic field region to produce a detectable signal from the magnetic particles in the non-saturating magnetic field region; detecting the signal from the magnetic particles in the non-saturating magnetic field region; and analyzing the detected signal to produce an image of the magnetic particles in the sample. - View Dependent Claims (46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58)
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59. A method of producing an image of magnetic particles in a subject, the method comprising:
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administering magnetic particles to a subject; positioning the subject in a magnetic particle imaging device; applying a magnetic field having a non-saturating magnetic field region to the subject; applying an excitation signal to the magnetic particles in the non-saturating magnetic field region to produce a detectable signal from the magnetic particles in the non-saturating magnetic field region; detecting the signal from the magnetic particles in the non-saturating magnetic field region; and analyzing the detected signal to produce an image of the magnetic particles in the subject.
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Specification