Patents Assigned to Hyperfine, Inc.
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Publication number: 20220187395Abstract: The present disclosure provides techniques for using opto-isolator circuitry to control switching circuitry configured to be coupled to a radio-frequency (RF) coil of a magnetic resonance imaging (MRI) system. In some embodiments, opto-isolator circuitry described herein may be configured to galvanically isolate switch controllers of the MRI system from the switching circuitry and/or provide feedback across an isolation barrier. Some embodiments provide an apparatus including switching circuitry configured to be coupled to an RF coil of an MRI system and a drive circuit that includes opto-isolator circuitry configured to control the switching circuitry. Some embodiments provide an MRI system that includes an RF coil configured to, when operated, transmit and/or receive RF signals to and/or from a field of view of the MRI system, switching circuitry coupled to the RF coil, and a drive circuit that includes opto-isolator circuitry configured to control the switching circuitry.Type: ApplicationFiled: December 13, 2021Publication date: June 16, 2022Applicant: Hyperfine, Inc.Inventor: Michael Twieg
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Publication number: 20220104722Abstract: According to some aspects, a magnetic resonance imaging system capable of imaging a patient is provided. The magnetic resonance imaging system comprising at least one B0 magnet to produce a magnetic field to contribute to a B0 magnetic field for the magnetic resonance imaging system and a member configured to engage with a releasable securing mechanism of a radio frequency coil apparatus, the member attached to the magnetic resonance imaging system at a location so that, when the member is engaged with the releasable securing mechanism of the radio frequency coil apparatus, the radio frequency coil apparatus is secured to the magnetic resonance imaging system substantially within an imaging region of the magnetic resonance imaging system.Type: ApplicationFiled: December 15, 2021Publication date: April 7, 2022Applicant: Hyperfine, Inc.Inventors: Anne Michele Nelson, Christopher Thomas McNulty, Jeremy Christopher Jordan, Michael Stephen Poole, Gang Chen
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Publication number: 20220107374Abstract: According to some aspects, an apparatus is provided comprising a deployable guard device, configured to be coupled to a portable medical imaging device, the deployable guard device further configured to, when deployed, inhibit encroachment within a physical boundary with respect to the portable medical imaging device. According to some aspects, an apparatus is provided comprising a deployable guard device, configured to be coupled to a portable magnetic resonance imaging system, the deployable guard device further configured to, when deployed, demarcate a boundary within which a magnetic field strength of a magnetic field generated by the portable magnetic resonance imaging system equals or exceeds a given threshold.Type: ApplicationFiled: December 15, 2021Publication date: April 7, 2022Applicant: Hyperfine, Inc.Inventors: Christopher Thomas McNulty, Michael Stephen Poole
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Publication number: 20220091211Abstract: 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.Type: ApplicationFiled: December 2, 2021Publication date: March 24, 2022Applicant: Hyperfine, Inc.Inventors: Todd Rearick, Gregory L. Charvat, Matthew Scot Rosen, Jonathan M. Rothberg
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Publication number: 20220082643Abstract: An apparatus for providing a B0 magnetic field for a magnetic resonance imaging system. The apparatus includes at least one first B0 magnet configured to produce a first magnetic field to contribute to the B0 magnetic field for the magnetic resonance imaging system, the at least one first B0 magnet comprising a first plurality of permanent magnet rings including at least two rings with respective different heights.Type: ApplicationFiled: November 24, 2021Publication date: March 17, 2022Applicant: Hyperfine, Inc.Inventors: Michael Stephen Poole, Cedric Hugon, Christopher Thomas McNulty
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Patent number: 11275137Abstract: An assembly for providing a B0 magnetic field for a magnetic resonance imaging (MRI) system, the assembly comprising: a plurality of ferromagnetic segments positioned to form: a bore extending along a common longitudinal direction, and a first gap, on a first side of the bore, to accommodate at least one first gradient coil, wherein at least some of the plurality of ferromagnetic segments are positioned on one side of the first gap and at least some others of the plurality of ferromagnetic segments are positioned on another side of the first gap.Type: GrantFiled: December 9, 2020Date of Patent: March 15, 2022Assignee: Hyperfine, Inc.Inventors: Cedric Hugon, Michael Stephen Poole
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Publication number: 20220075015Abstract: Systems and methods for operating a magnetic resonance imaging (MRI) system are provided. The MRI system includes a magnetics system and a power system configured to provide power to at least some of the magnetics system. The power system includes an energy storage device and a power supply configured to receive mains electricity. The MRI system also includes at least one controller configured to control the MRI system to operate in accordance with a pulse sequence at least in part by generating, by using power supplied by the power supply and supplemental power supplied by the energy storage device, at least one gradient field using at least one gradient coil of the magnetics system.Type: ApplicationFiled: September 3, 2021Publication date: March 10, 2022Applicant: Hyperfine, Inc.Inventor: Michael Twieg
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Publication number: 20220043094Abstract: An apparatus for controlling at least one gradient coil of a magnetic resonance imaging (MRI) system. The apparatus may include at least one computer hardware processor; and at least one computer-readable storage medium storing processor executable instructions that, when executed by the at least one computer hardware processor, cause the at least one computer hardware processor to perform a method. The method may include receiving information specifying at least one target pulse sequence; determining a corrected pulse sequence to control the at least one gradient coil based on the at least one target pulse sequence and a hysteresis model of induced magnetization in the MRI system caused by operation of the at least one gradient coil; and controlling, using the corrected gradient pulse sequence, the at least one gradient coil to generate one or more gradient pulses for imaging a patient.Type: ApplicationFiled: September 24, 2021Publication date: February 10, 2022Applicant: Hyperfine, Inc.Inventors: Rafael O'Halloran, Cedric Hugon, Laura Sacolick, Hadrien A. Dyvorne
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Publication number: 20220043088Abstract: 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).Type: ApplicationFiled: October 26, 2021Publication date: February 10, 2022Applicant: Hyperfine, Inc.Inventors: Jonathan M. Rothberg, Matthew Scot Rosen, Gregory L. Charvat, William J. Mileski, Todd Rearick, Michael Stephen Poole, Keith G. Fife
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Patent number: 11234610Abstract: According to some aspects, a magnetic resonance imaging system capable of imaging a patient is provided. The magnetic resonance imaging system comprising at least one B0 magnet to produce a magnetic field to contribute to a B0 magnetic field for the magnetic resonance imaging system and a member configured to engage with a releasable securing mechanism of a radio frequency coil apparatus, the member attached to the magnetic resonance imaging system at a location so that, when the member is engaged with the releasable securing mechanism of the radio frequency coil apparatus, the radio frequency coil apparatus is secured to the magnetic resonance imaging system substantially within an imaging region of the magnetic resonance imaging system.Type: GrantFiled: July 19, 2019Date of Patent: February 1, 2022Assignee: Hyperfine, Inc.Inventors: Anne Michele Nelson, Christopher Thomas McNulty, Jeremy Christopher Jordan, Michael Stephen Poole, Gang Chen
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Patent number: 11231470Abstract: According to some aspects, an apparatus is provided comprising a deployable guard device, configured to be coupled to a portable medical imaging device, the deployable guard device further configured to, when deployed, inhibit encroachment within a physical boundary with respect to the portable medical imaging device. According to some aspects, an apparatus is provided comprising a deployable guard device, configured to be coupled to a portable magnetic resonance imaging system, the deployable guard device further configured to, when deployed, demarcate a boundary within which a magnetic field strength of a magnetic field generated by the portable magnetic resonance imaging system equals or exceeds a given threshold.Type: GrantFiled: July 24, 2020Date of Patent: January 25, 2022Assignee: Hyperfine, Inc.Inventors: Christopher Thomas McNulty, Michael Stephen Poole
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Publication number: 20220015662Abstract: Techniques for generating magnetic resonance (MR) images of a subject from MR data obtained by a magnetic resonance imaging (MRI) system, the techniques including: obtaining input MR data obtained by imaging the subject using the MRI system; generating a plurality of transformed input MR data instances by applying a respective first plurality of transformations to the input MR data; generating a plurality of MR images from the plurality of transformed input MR data instances and the input MR data using a non-linear MR image reconstruction technique; generating an ensembled MR image from the plurality of MR images at least in part by: applying a second plurality of transformations to the plurality of MR images to obtain a plurality of transformed MR images; and combining the plurality of transformed MR images to obtain the ensembled MR image; and outputting the ensembled MR image.Type: ApplicationFiled: September 17, 2021Publication date: January 20, 2022Applicant: Hyperfine, Inc.Inventors: Jo Schlemper, Seyed Sadegh Moshen Salehi, Michal Sofka
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Patent number: 11221386Abstract: 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.Type: GrantFiled: September 25, 2019Date of Patent: January 11, 2022Assignee: Hyperfine, Inc.Inventors: Todd Rearick, Gregory L. Charvat, Matthew Scot Rosen, Jonathan M. Rothberg
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Patent number: 11215685Abstract: An apparatus for providing a B0 magnetic field for a magnetic resonance imaging system. The apparatus includes at least one first B0 magnet configured to produce a first magnetic field to contribute to the B0 magnetic field for the magnetic resonance imaging system, the at least one first B0 magnet comprising a first plurality of permanent magnet rings including at least two rings with respective different heights.Type: GrantFiled: May 20, 2019Date of Patent: January 4, 2022Assignee: Hyperfine, Inc.Inventors: Michael Stephen Poole, Cedric Hugon, Christopher Thomas McNulty
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Publication number: 20210373107Abstract: A magnetic resonance imaging (MRI) system and method for acquiring magnetic resonance (MR) images using a pulse sequence implementing driven equilibrium and quadratic phase cycling techniques is provided. The method includes, during a pulse repetition period of a pulse sequence and using a quadratic phase cycling scheme, applying a first RF pulse to deflect a net magnetization vector associated with the subject from a longitudinal plane into a transverse plane; after applying the first RF pulse, applying a first sequence of RF pulses each of which flips the net magnetization vector by approximately 180 degrees within the transverse plane; and after applying the first sequence of RF pulses, applying a second RF pulse to deflect the net magnetization vector from the transverse plane to the longitudinal plane.Type: ApplicationFiled: May 28, 2021Publication date: December 2, 2021Applicant: Hyperfine, Inc.Inventors: Hadrien A. Dyvorne, Laura Sacolick, Rafael O'Halloran, Carole Lazarus
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Patent number: 11185249Abstract: Techniques for generating magnetic resonance (MR) images of a subject from MR data obtained by a magnetic resonance imaging (MRI) system, the techniques including: obtaining input MR data obtained by imaging the subject using the MRI system; generating a plurality of transformed input MR data instances by applying a respective first plurality of transformations to the input MR data; generating a plurality of MR images from the plurality of transformed input MR data instances and the input MR data using a non-linear MR image reconstruction technique; generating an ensembled MR image from the plurality of MR images at least in part by: applying a second plurality of transformations to the plurality of MR images to obtain a plurality of transformed MR images; and combining the plurality of transformed MR images to obtain the ensembled MR image; and outputting the ensembled MR image.Type: GrantFiled: March 12, 2020Date of Patent: November 30, 2021Assignee: Hyperfine, Inc.Inventors: Jo Schlemper, Seyed Sadegh Moshen Salehi, Michal Sofka
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Patent number: 11175364Abstract: 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).Type: GrantFiled: September 25, 2019Date of Patent: November 16, 2021Assignee: Hyperfine, Inc.Inventors: Jonathan M. Rothberg, Matthew Scot Rosen, Gregory L. Charvat, William J. Mileski, Todd Rearick, Michael Stephen Poole, Keith G. Fife
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Patent number: 11156688Abstract: An apparatus for controlling at least one gradient coil of a magnetic resonance imaging (MRI) system. The apparatus may include at least one computer hardware processor; and at least one computer-readable storage medium storing processor executable instructions that, when executed by the at least one computer hardware processor, cause the at least one computer hardware processor to perform a method. The method may include receiving information specifying at least one target pulse sequence; determining a corrected pulse sequence to control the at least one gradient coil based on the at least one target pulse sequence and a hysteresis model of induced magnetization in the MRI system caused by operation of the at least one gradient coil; and controlling, using the corrected gradient pulse sequence, the at least one gradient coil to generate one or more gradient pulses for imaging a patient.Type: GrantFiled: November 15, 2019Date of Patent: October 26, 2021Assignee: Hyperfine, Inc.Inventors: Rafael O'Halloran, Cedric Hugon, Laura Sacolick, Hadrien A. Dyvorne
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Publication number: 20210311143Abstract: A magnetic resonance imaging (MRI) system, comprising a magnetics system having a plurality of magnetics components configured to produce magnetic fields for performing magnetic resonance imaging, electromagnetic shielding provided to attenuate at least some electromagnetic noise in an operating environment of the MRI system, and an electrical conductor coupled to the electromagnetic shielding and configured to electrically couple to a patient during imaging of the patient by the MRI system. The magnetics system may include at least one permanent B0 magnet configured to produce a B0 magnetic field for an imaging region of the MRI system. The B0 magnetic field strength may be less than or equal to approximately 0.2 T.Type: ApplicationFiled: June 11, 2021Publication date: October 7, 2021Applicant: Hyperfine, Inc.Inventors: Eddy B. Boskamp, Jeremy Christopher Jordan
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Patent number: D932014Type: GrantFiled: December 10, 2019Date of Patent: September 28, 2021Assignee: Hyperfine, Inc.Inventor: Cedric Hugon