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Hyperfine Research Inc patents


Recent patent applications related to Hyperfine Research Inc. Hyperfine Research Inc is listed as an Agent/Assignee. Note: Hyperfine Research Inc may have other listings under different names/spellings. We're not affiliated with Hyperfine Research Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hyperfine Research Inc-related inventors


Electromagnetic shielding for magnetic resonance imaging methods and apparatus

According to some aspects, a portable magnetic resonance imaging system is provided, comprising a b0 magnet configured to produce a b0 magnetic field for an imaging region of the magnetic resonance imaging system, a noise reduction system configured to detect and suppress at least some electromagnetic noise in an operating environment of the portable magnetic resonance imaging system, and electromagnetic shielding provided to attenuate at least some of the electromagnetic noise in the operating environment of the portable magnetic resonance imaging system, the electromagnetic shielding arranged to shield a fraction of the imaging region of the portable magnetic resonance imaging system. According to some aspects, the electromagnetic shield comprises at least one electromagnetic shield structure adjustably coupled to the housing to provide electromagnetic shielding for the imaging region in an amount that can be varied. ... Hyperfine Research Inc

Electromagnetic shielding for magnetic resonance imaging methods and apparatus

According to some aspects, a portable magnetic resonance imaging system is provided, comprising a b0 magnet configured to produce a b0 magnetic field for an imaging region of the magnetic resonance imaging system, a noise reduction system configured to detect and suppress at least some electromagnetic noise in an operating environment of the portable magnetic resonance imaging system, and electromagnetic shielding provided to attenuate at least some of the electromagnetic noise in the operating environment of the portable magnetic resonance imaging system, the electromagnetic shielding arranged to shield a fraction of the imaging region of the portable magnetic resonance imaging system. According to some aspects, the electromagnetic shield comprises at least one electromagnetic shield structure adjustably coupled to the housing to provide electromagnetic shielding for the imaging region in an amount that can be varied. ... Hyperfine Research Inc

Systems and methods for automated detection in magnetic resonance images

Some aspects include a method of determining change in size of an abnormality in a brain of a patient positioned within a low-field magnetic resonance imaging (mri) device. The method comprises, while the patient remains positioned within the low-field mri device, acquiring first and second magnetic resonance (mr) image data of the patient's brain; providing the first and second mr image data as input to a trained statistical classifier to obtain corresponding first and second output; identifying, using the first output, at least one initial value of at least one feature indicative of a size of the abnormality; identifying, using the second output, at least one updated value of the at least one feature; determining the change in the size of the abnormality using the at least one initial value of the at least one feature and the at least one updated value of the at least one feature.. ... Hyperfine Research Inc

Systems and methods for automated detection in magnetic resonance images

Some aspects include a method of detecting change in degree of midline shift in a brain of a patient. The method comprises, while the patient remains positioned within the low-field magnetic resonance imaging device, acquiring first magnetic resonance (mr) image data and second mr image data of the patient's brain; providing the first and second mr data as input to a trained statistical classifier to obtain corresponding first and second output, identifying, from the first output, at least one initial location of at least one landmark associated with at least one midline structure of the patient's brain; identifying, from the second output, at least one updated location of the at least one landmark; and determining a degree of change in the midline shift using the at least one initial location of the at least one landmark and the at least one updated location of the at least one landmark.. ... Hyperfine Research Inc

Low-field magnetic resonance imaging methods and apparatus

According to some aspects, a portable magnetic resonance imaging system is provided. The portable magnetic resonance imaging system comprises a b0 magnet configured to produce a b0 magnetic field for an imaging region of the magnetic resonance imaging system, a noise reduction system configured to detect and suppress at least some electromagnetic noise in an operating environment of the portable magnetic resonance imaging system, and electromagnetic shielding provided to attenuate at least some of the electromagnetic noise in the operating environment of the portable magnetic resonance imaging system, the electromagnetic shielding arranged to shield a fraction of the imaging region of the portable magnetic resonance imaging system. ... Hyperfine Research Inc

Systems and methods for automated detection in magnetic resonance images

Some aspects include a method of detecting change in biological subject matter of a patient positioned within a low-field magnetic resonance imaging device, the method comprising: while the patient remains positioned within the low-field magnetic resonance device: acquiring first magnetic resonance image data of a portion of the patient; acquiring second magnetic resonance image data of the portion of the patient subsequent to acquiring the first magnetic resonance image data; aligning the first magnetic resonance image data and the second magnetic resonance image data; and comparing the aligned first magnetic resonance image data and second magnetic resonance image data to detect at least one change in the biological subject matter of the portion of the patient.. . ... Hyperfine Research Inc

Low-field magnetic resonance imaging methods and apparatus

According to some aspects, a low-field magnetic resonance imaging system is provided. The low-field magnetic resonance imaging system comprises a magnetics system having a plurality of magnetics components configured to produce magnetic fields for performing magnetic resonance imaging, the magnetics system comprising, a b0 magnet configured to produce a b0 field for the magnetic resonance imaging system at a low-field strength of less than 0.2 tesla (t), a plurality of gradient coils configured to, when operated, generate magnetic fields to provide spatial encoding of magnetic resonance signals, and at least one radio frequency coil configured to, when operated, transmit radio frequency signals to a field of view of the magnetic resonance imaging system and to respond to magnetic resonance signals emitted from the field of view, a power system comprising one or more power components configured to provide power to the magnetics system to operate the magnetic resonance imaging system to perform image acquisition, and a power connection configured to connect to a single-phase outlet to receive mains electricity and deliver the mains electricity to the power system to provide power needed to operate the magnetic resonance imaging system. ... Hyperfine Research Inc

Radio frequency coil tuning methods and apparatus

Some aspects comprise a tuning system configured to tune a radio frequency coil for use with a magnetic resonance imaging system comprising a tuning circuit including at least one tuning element configured to affect a frequency at which the radio frequency coil resonates, and a controller configured to set at least one value for the tuning element to cause the radio frequency coil to resonate at approximately a larmor frequency of the magnetic resonance imaging system determined by the tuning system. Some aspects include a method of automatically tuning a radio frequency coil comprising determining information indicative of a larmor frequency of the magnetic resonance imaging system, using a controller to automatically set at least one value of a tuning circuit to cause the radio frequency coil to resonate at approximately the larmor frequency based on the determined information.. ... Hyperfine Research Inc

Noise suppression methods and apparatus

According to some aspects, a method of suppressing noise in an environment of a magnetic resonance imaging system is provided. The method comprising estimating a transfer function based on multiple calibration measurements obtained from the environment by at least one primary coil and at least one auxiliary sensor, respectively, estimating noise present in a magnetic resonance signal received by the at least one primary coil based at least in part on the transfer function, and suppressing noise in the magnetic resonance signal using the noise estimate.. ... Hyperfine Research Inc

Low field magnetic resonance imaging methods and apparatus

According to some aspects, a laminate panel is provided. The laminate panel comprises at least one laminate layer including at least one non-conductive layer and at least one conductive layer patterned to form at least a portion of a b0 coil configured to contribute to a b0 field suitable for use in low-field magnetic resonance imaging (mri).. ... Hyperfine Research Inc

Methods and apparatus for magnetic field shimming

According to some aspects, a method of producing a permanent magnet shim configured to improve a profile of a b0 magnetic field produced by a b0 magnet is provided. The method comprises determining deviation of the b0 magnetic field from a desired b0 magnetic field, determining a magnetic pattern that, when applied to magnetic material, produces a corrective magnetic field that corrects for at least some of the determined deviation, and applying the magnetic pattern to the magnetic material to produce the permanent magnet shim. ... Hyperfine Research Inc

Methods and apparatus for magnetic field shimming

According to some aspects, a method of producing a permanent magnet shim configured to improve a profile of a b0 magnetic field produced by a b0 magnet is provided. The method comprises determining deviation of the b0 magnetic field from a desired b0 magnetic field, determining a magnetic pattern that, when applied to magnetic material, produces a corrective magnetic field that corrects for at least some of the determined deviation, and applying the magnetic pattern to the magnetic material to produce the permanent magnet shim. ... Hyperfine Research Inc

Ferromagnetic augmentation for magnetic resonance imaging

In some aspects, a magnetic system for use in a low-field mri system. The magnetic system comprises at least one electromagnet configured to, when operated, generate a magnetic field to contribute to a b0 field for the low-field mri system, and at least one permanent magnet to produce a magnetic field to contribute to the b0 field.. ... Hyperfine Research Inc

Noise suppression methods and apparatus

According to some aspects, a method of suppressing noise in an environment of a magnetic resonance imaging system is provided. The method comprising estimating a transfer function based on multiple calibration measurements obtained from the environment by at least one primary coil and at least one auxiliary sensor, respectively, estimating noise present in a magnetic resonance signal received by the at least one primary coil based at least in part on the transfer function, and suppressing noise in the magnetic resonance signal using the noise estimate.. ... Hyperfine Research Inc








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