Hyperfine Research, Inc.

Hyperfine Operations, Inc.

Hyperfine, Inc.

Hyperfire Research, Inc.

Michael Stephen Poole

Jonathan Marc Rothberg

Todd Rearick

Christopher Thomas McNulty

Cedric Hugon

Jeremy Christopher Jordan

Laura Sacolick

Hadrien A Dyvorne

William Julian Mileski

Alan B Katze, Jr

Gregory L Charvat

Tyler S Ralston

Matthew Scot Rosen

Anne Michele Nelson

Keith Glen Fife

Gang Chen

Jonathan M Rothberg

Michal Sofka

Rafael O'Halloran

Carole Lazarus

Jo Schlemper

Eddy B Boskamp

Prantik Kundu

Seyed Sadegh Mohseni Salehi

Sunli Tang

A radio frequency (RF) coil apparatus is described herein for facilitating imaging of a patient positioned within a magnetic resonance imaging (MRI) system, the MRI system comprising a Bmagnet. The apparatus may comprise a frame comprising a first plate and a second plate disposed opposite the first plate; and an RF transmit coil comprising a plurality of conductors connected in series, the plurality of conductors being would around the frame and forming a plurality of turns. According to some aspects, there is provided an MRI system configured to image a patient positioned within the MRI system, the MRI system comprises a Bmagnet that produces a Bmagnetic field and the RF coil apparatus.

Radio frequency coil for magnetic resonance imaging

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.

Methods and apparatus for patient positioning in magnetic resonance imaging

A method of producing a permanent magnet shim configured to improve a profile of a Bmagnetic field produced by a Bmagnet is provided. The method comprises determining deviation of the Bmagnetic field from a desired Bmagnetic 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 Bmagnetic field produced by a Bmagnet 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 Bmagnetic field.

Methods and apparatus for magnetic field shimming

In some aspects, a method of operating a magnetic resonance imaging system comprising a Bmagnet and at least one thermal management component configured to transfer heat away from the Bmagnet during operation is provided. The method comprises providing operating power to the Bmagnet, monitoring a temperature of the Bmagnet to determine a current temperature of the Bmagnet, and operating the at least one thermal management component at less than operational capacity in response to an occurrence of at least one event.

Automatic configuration of a low field magnetic resonance imaging system

An apparatus for providing a Bmagnetic field for a magnetic resonance imaging system. The apparatus includes at least one permanent Bmagnet 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 Bmagnet. 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 Bmagnet.

Ferromagnetic frame for magnetic resonance imaging

Aspects relate to providing radio frequency components responsive to magnetic resonance signals. According to some aspects, a radio frequency component comprises at least one coil having a conductor arranged in a plurality of turns oriented about a region of interest to respond to corresponding magnetic resonant signal components. According to some aspects, the radio frequency component comprises a plurality of coils oriented to respond to corresponding magnetic resonant signal components. According to some aspects, an optimization is used to determine a configuration for at least one radio frequency coil.

Radio frequency coil methods and apparatus

According to some aspects, a portable magnetic resonance imaging system is provided, comprising a Bmagnet configured to produce a Bmagnetic 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 of the portable magnetic resonance imaging system is provided.

Electromagnetic shielding for magnetic resonance imaging methods and apparatus

Techniques for removing artefacts, such as RF interference and/or noise, from magnetic resonance data. The techniques include: obtaining input magnetic resonance (MR) data using at least one radio-frequency (RF) coil of a magnetic resonance imaging (MRI) system; and generating an MR image from input MR data at least in part by using a neural network model to suppress at least one artefact in the input MR data.

Deep learning techniques for suppressing artefacts in magnetic resonance images

An apparatus for providing a Bmagnetic field for a magnetic resonance imaging system. The apparatus includes at least one first Bmagnet configured to produce a first magnetic field to contribute to the Bmagnetic field for the magnetic resonance imaging system, the at least one first Bmagnet comprising a first plurality of permanent magnet rings including at least two rings with respective different heights.

Bmagnet methods and apparatus for a magnetic resonance imaging system

An assembly for providing a Bmagnetic 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.

Permanent magnet assembly for magnetic resonance imaging with non-ferromagnetic frame

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.

Deployable guard for portable magnetic resonance imaging devices

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 BO magnet to produce a magnetic field to contribute to a BO 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.

An apparatus for providing a Bmagnetic field for a magnetic resonance imaging system. The apparatus includes at least one permanent Bmagnet to contribute a magnetic field to the Bmagnetic field for the MRI system and a ferromagnetic frame configured to capture and direct at least some of the magnetic field generated by the Bmagnet. 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 Bmagnet.

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 Bfield for the low-field MRI system, and at least one permanent magnet to produce a magnetic field to contribute to the Bfield.

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Guilford, CT, United States of America

Michael Stephen Poole