Patents by Inventor Cédric Hugon
Cédric Hugon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240142556Abstract: 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: December 28, 2023Publication date: May 2, 2024Applicant: Hyperfine Operations, Inc.Inventors: Rafael O'Halloran, Cedric Hugon, Laura Sacolick, Hadrien A. Dyvorne
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Patent number: 11971465Abstract: An apparatus for providing a B0 magnetic field for a magnetic resonance imaging system. The apparatus includes at least one permanent B0 magnet to contribute a magnetic field to the Bo magnetic field for the MRI system and a ferromagnetic frame configured to capture and direct at least some of the magnetic field generated by the B0 magnet. The ferromagnetic frame includes a first post having a first end and a second end, a first multi-pronged member coupled to the first end, and a second multi-pronged member coupled to the second end, wherein the first and second multi-pronged members support the at least one permanent B0 magnet.Type: GrantFiled: August 9, 2022Date of Patent: April 30, 2024Assignee: Hyperfine Operations, Inc.Inventors: Cedric Hugon, Hadrien A. Dyvorne, Michael Stephen Poole
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Patent number: 11867787Abstract: 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: January 9, 2024Assignee: Hyperfine Operations, Inc.Inventors: Rafael O'Halloran, Cedric Hugon, Laura Sacolick, Hadrien A. Dyvorne
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Patent number: 11841408Abstract: 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.Type: GrantFiled: May 6, 2020Date of Patent: December 12, 2023Assignee: Hyperfine Operations, Inc.Inventors: Michael Stephen Poole, Cedric Hugon, Hadrien A. Dyvorne, Laura Sacolick, William J. Mileski, Jeremy Christopher Jordan, Alan B. Katze, Jr., Jonathan M. Rothberg, Todd Rearick, Christopher Thomas McNulty
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Publication number: 20230366959Abstract: 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. According to some aspects, a permanent magnet shim for improving a profile of a B0 magnetic field produced by a B0 magnet is provided. The permanent magnet shim comprises magnetic material having a predetermined magnetic pattern applied thereto that produces a corrective magnetic field to improve the profile of the B0 magnetic field.Type: ApplicationFiled: July 11, 2023Publication date: November 16, 2023Applicant: Hyperfine Operations, Inc.Inventors: Cedric Hugon, Michael Stephen Poole, Tyler S. Ralston
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Publication number: 20230358833Abstract: 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: June 28, 2023Publication date: November 9, 2023Applicant: Hyperfine Operations, Inc.Inventors: Michael Stephen Poole, Cedric Hugon, Christopher Thomas McNulty
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Publication number: 20230324482Abstract: An assembly for providing a B0 magnetic field for a magnetic resonance imaging (MRI) system, the assembly comprising: a plurality of rods extending along a common longitudinal direction and positioned to form a bore extending along the common longitudinal direction, the plurality of rods including a first rod, the first rod comprising: ferromagnetic segments, each having a net magnetization in a plane that is substantially perpendicular to the common longitudinal direction; and non-ferromagnetic segments.Type: ApplicationFiled: April 12, 2023Publication date: October 12, 2023Applicant: Hyperfine Operations, Inc.Inventors: Cedric Hugon, Michael Stephen Poole
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Publication number: 20230324489Abstract: Techniques for compensating for presence of eddy currents during the operation of a magnetic resonance imaging (MRI) system in accordance with a pulse sequence, the pulse sequence comprising a gradient waveform associated with a target gradient field. The techniques include: compensating for presence of eddy currents during operation of the MRI system at least in part by correcting the gradient waveform using a nonlinear function of a characteristic of the gradient waveform to obtain a corrected gradient waveform; and operating the MRI system in accordance with the corrected gradient waveform to generate the target gradient field.Type: ApplicationFiled: May 22, 2023Publication date: October 12, 2023Applicant: Hyperfine Operations, Inc.Inventors: Hadrien A. Dyvorne, Cedric Hugon, Rafael O’Halloran, Laura Sacolick
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Publication number: 20230324481Abstract: According to some aspects, a portable magnetic resonance imaging system is provided, comprising a Bo magnet configured to produce a Bo 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. According to some aspects, substantially no shielding of the imaging region is provided.Type: ApplicationFiled: June 15, 2023Publication date: October 12, 2023Applicant: Hyperfine Operations, Inc.Inventors: Michael Stephen Poole, Cedric Hugon, Hadrien A. Dyvorne, Laura Sacolick, William J. Mileski, Jeremy Christopher Jordan, Alan B. Katze, JR., Jonathan M. Rothberg, Todd Rearick, Christopher Thomas McNulty
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Patent number: 11740302Abstract: 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. According to some aspects, a permanent magnet shim for improving a profile of a B0 magnetic field produced by a B0 magnet is provided. The permanent magnet shim comprises magnetic material having a predetermined magnetic pattern applied thereto that produces a corrective magnetic field to improve the profile of the B0 magnetic field.Type: GrantFiled: March 16, 2022Date of Patent: August 29, 2023Assignee: Hyperfine Operations, Inc.Inventors: Cedric Hugon, Michael Stephen Poole, Tyler S. Ralston
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Patent number: 11726155Abstract: 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: November 24, 2021Date of Patent: August 15, 2023Assignee: Hyperfine Operations, Inc.Inventors: Michael Stephen Poole, Cedric Hugon, Christopher Thomas McNulty
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Patent number: 11698430Abstract: Techniques for compensating for presence of eddy currents during the operation of a magnetic resonance imaging (MRI) system in accordance with a pulse sequence, the pulse sequence comprising a gradient waveform associated with a target gradient field. The techniques include: compensating for presence of eddy currents during operation of the MRI system at least in part by correcting the gradient waveform using a nonlinear function of a characteristic of the gradient waveform to obtain a corrected gradient waveform; and operating the MRI system in accordance with the corrected gradient waveform to generate the target gradient field.Type: GrantFiled: August 14, 2020Date of Patent: July 11, 2023Assignee: Hyperfine Operations, Inc.Inventors: Hadrien A. Dyvorne, Cedric Hugon, Rafael O'Halloran, Laura Sacolick
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Patent number: 11656308Abstract: An assembly for providing a B0 magnetic field for a magnetic resonance imaging (MRI) system, the assembly comprising: a plurality of rods extending along a common longitudinal direction and positioned to form a bore extending along the common longitudinal direction, the plurality of rods including a first rod, the first rod comprising: ferromagnetic segments, each having a net magnetization in a plane that is substantially perpendicular to the common longitudinal direction; and non-ferromagnetic segments.Type: GrantFiled: December 9, 2020Date of Patent: May 23, 2023Assignee: Hyperfine Operations, Inc.Inventors: Cedric Hugon, Michael Stephen Poole
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Publication number: 20230095957Abstract: An apparatus for providing a B0 magnetic field for a magnetic resonance imaging system. The apparatus includes at least one permanent B0 magnet to contribute a magnetic field to the Bo magnetic field for the MRI system and a ferromagnetic frame configured to capture and direct at least some of the magnetic field generated by the B0 magnet. The ferromagnetic frame includes a first post having a first end and a second end, a first multi-pronged member coupled to the first end, and a second multi-pronged member coupled to the second end, wherein the first and second multi-pronged members support the at least one permanent B0 magnet.Type: ApplicationFiled: August 9, 2022Publication date: March 30, 2023Applicant: Hyperfine Operations, Inc.Inventors: Cedric Hugon, Hadrien A. Dyvorne, Michael Stephen Poole
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Patent number: 11422213Abstract: An apparatus for providing a B0 magnetic field for a magnetic resonance imaging system. The apparatus includes at least one permanent B0 magnet to contribute a magnetic field to the B0 magnetic field for the MRI system and a ferromagnetic frame configured to capture and direct at least some of the magnetic field generated by the B0 magnet. The ferromagnetic frame includes a first post having a first end and a second end, a first multi-pronged member coupled to the first end, and a second multi-pronged member coupled to the second end, wherein the first and second multi-pronged members support the at least one permanent B0 magnet.Type: GrantFiled: December 9, 2020Date of Patent: August 23, 2022Assignee: Hyperfine Operations, Inc.Inventors: Cedric Hugon, Hadrien A. Dyvorne, Michael Stephen Poole
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Publication number: 20220206093Abstract: 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. According to some aspects, a permanent magnet shim for improving a profile of a B0 magnetic field produced by a B0 magnet is provided. The permanent magnet shim comprises magnetic material having a predetermined magnetic pattern applied thereto that produces a corrective magnetic field to improve the profile of the B0 magnetic field.Type: ApplicationFiled: March 16, 2022Publication date: June 30, 2022Applicant: Hyperfine Operations, Inc.Inventors: Cedric Hugon, Michael Stephen Poole, Tyler S. Ralston
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Patent number: 11366188Abstract: According to some aspects, a portable magnetic resonance imaging system is provided, comprising a magnetics system having a plurality of magnetics components configured to produce magnetic fields for performing magnetic resonance imaging. The magnetics system comprises a permanent B0 magnet configured to produce a B0 field for the magnetic resonance imaging system, and a plurality of gradient coils configured to, when operated, generate magnetic fields to provide spatial encoding of emitted magnetic resonance signals, 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 base that supports the magnetics system and houses the power system, the base comprising at least one conveyance mechanism allowing the portable magnetic resonance imaging system to be transported to different locations.Type: GrantFiled: July 8, 2020Date of Patent: June 21, 2022Assignee: Hyperfine Operations, Inc.Inventors: Michael Stephen Poole, Cedric Hugon, Hadrien A. Dyvorne, Laura Sacolick, William J. Mileski, Jeremy Christopher Jordan, Alan B. Katze, Jr., Jonathan M. Rothberg, Todd Rearick, Christopher Thomas McNulty
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Patent number: 11333727Abstract: An apparatus for providing a B0 magnetic field for a magnetic resonance imaging system. The apparatus includes at least one permanent B0 magnet to contribute a magnetic field to the B0 magnetic field for the MRI system and a ferromagnetic frame configured to capture and direct at least some of the magnetic field generated by the B0 magnet. The ferromagnetic frame includes a first plate configured to support the at least one permanent B0 magnet and a first post attached to the first plate using a first connection assembly, wherein the first connection assembly includes a first connector that connects the first post and the first plate and a second connector attached to the first connector.Type: GrantFiled: December 9, 2020Date of Patent: May 17, 2022Assignee: Hyperfine Operations, Inc.Inventor: Cedric Hugon
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Patent number: 11294006Abstract: 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. According to some aspects, a permanent magnet shim for improving a profile of a B0 magnetic field produced by a B0 magnet is provided. The permanent magnet shim comprises magnetic material having a predetermined magnetic pattern applied thereto that produces a corrective magnetic field to improve the profile of the B0 magnetic field.Type: GrantFiled: October 5, 2020Date of Patent: April 5, 2022Assignee: Hyperfine Operations, Inc.Inventors: Cedric Hugon, Michael Stephen Poole, Tyler S. Ralston
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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