102 patents
Page 4 of 6
Utility
Intermodal Synchronization of Surgical Data
27 May 21
Systems and methods are provided in which local tissue diagnostic measurements are correlated with archival local tissue diagnostic data from prior tissue analyses to supplement diagnostic measurements with tissue analysis data from prior tissue analyses having similar local tissue diagnostic data.
Cameron Piron, Gal SELA, Monroe M. THOMAS, Simon ALEXANDER, Murugathas YUWARAJ, Michael WOOD, Alex PANTHER, Joshua RICHMOND, Wes HODGES, David GALLOP
Filed: 28 Jan 21
Utility
Positioning Arm for a Surgical Navigation System
13 May 21
A motion-assisted positioning arm for a medical procedure.
Brent Andrew BAILEY, Trevor James DELL, Bart VERZIJLENBERG, Adam PHILIP, Sean DOWLING, Robert LUCAS
Filed: 22 Jan 21
Utility
Magnetic Resonance Imaging Systems and Methods
22 Apr 21
A method is provided for magnetic resonance (MR) imaging near metal, including acquiring an image at a first magnetic field from a subject that includes a metal object, acquiring an image at a second magnetic field, and combining the images to provide a corrected image with reduced metal distortion.
JEFF ALAN STAINSBY, CHAD TYLER HARRIS
Filed: 8 Dec 20
Utility
Suction Tool with Integrated Optical Probe and Use Thereof
25 Mar 21
A device and method is provided for a suction tool combined with an optical probe.
Kresimir FRANJIC, Luc Gilles CHARRON, Siu Wai Jacky MAK
Filed: 30 Nov 20
Utility
Micrometer Size Multi-functional Probe for Oct and Electro-physiological Recording
18 Mar 21
A device and method for guided insertion of microelectrodes into tissue, the device involving a flexible optical fiber for optical coherence tomography imaging, a metal layer coating the optical fiber for recording electrical signals and an outer insulation layer coating the metal layer along the optical fiber length, and the method involving inserting an optical fiber coated with a metal layer and further coated with an insulation layer into a tissue, collecting intraoperative image data through the optical fiber by optical coherence tomography, receiving the image data on a computer and displaying the image on a monitor, using the image data to determine a location in the tissue, receiving an electrical nerve signal through the metal layer, and measuring the electrical nerve signal on an electro-physiological recording system.
SIU WAI JACKY MAK, FANGXIN LI
Filed: 30 Nov 20
Utility
Motorized Full Field Adaptive Microscope
18 Mar 21
An optical imaging system for imaging a target during a medical procedure, the imaging system involving an optical assembly having moveable zoom optics and moveable focus optics, a zoom actuator and a focus actuator for positioning the zoom and focus optics, respectively, a controller for controlling the zoom and focus actuators independently in response to received control input, a camera for capturing an image of the target from the optical assembly, the system capable of performing autofocus during a medical procedure.
Tammy Kee-Wai LEE, Michael Frank Gunter WOOD, Cameron Anthony PIRON, Brent Andrew BAILEY, Sagar SAXENA, Sean Adrian CONROY, Kamyar ABHARI, Kai Michael HYNNA, Gal SELA, Kelly Noel DYER, Joshua Lee RICHMOND
Filed: 24 Nov 20
Utility
Magnetic Resonance Imaging System and Methods for Use with a Medical Robotic System
11 Mar 21
A magnetic resonance imaging (MRI) system and methods for use with a medical, e.g., a surgical, robotic system, involving an MRI apparatus configured to operate with the surgical robotic system, the MRI apparatus having at least one low-field magnet, the at least one low-field magnet configured to generate a low magnetic field, and the low magnetic field comprising a magnetic flux density in a range of approximately 0.1 Tesla (T) to approximately 0.5 T, whereby a standoff between the MRI apparatus and the surgical robotic system is reduced.
CAMERON ANTHONY PIRON, ALEXANDER GYLES PANTHER, THANH VINH VUONG, DIANA LEE
Filed: 8 Sep 20
Utility
System and Method of Coil Design to Reduce Magnetic Coupling
18 Feb 21
A method of manufacturing an electromagnet coil for use in a magnetic resonance imaging (MRI) system includes: generating a coil surface representation defining a surface to contain the electromagnet coil; defining a set of performance metric functions, the set including a mutual inductance function defining mutual inductance between the electromagnet coil and a second electromagnet coil; defining a performance functional based on the coil surface representation and the set of performance metric functions; optimizing the performance functional; generating a current density pattern over the coil surface representation based on the optimized performance functional; and obtaining coil windings defining the electromagnet coil from the current density pattern.
Geron Andre BINDSEIL, Chad Tyler HARRIS
Filed: 11 Aug 20
Utility
Magnetic Resonance Imaging System Capable of Rapid Field Ramping
21 Jan 21
Systems and methods for rapidly ramping the magnetic field of a superconducting magnet, such as a superconducting magnet adapted for use in a magnetic resonance imaging system, are provided.
Jeff A. Stainsby, Chad T. Harris, Alexander G. Panther, Cameron A. Piron
Filed: 30 Sep 20
Utility
Reducing Magnetic Field Instabilities Caused by Oscillations of a Mechanical Cryo-cooler In Magnetic Resonance Systems
6 Jan 21
Described here are systems and methods for mitigating or otherwise removing the effects of short-term magnetic field instabilities caused by oscillations of the cold head in a cryogen-free magnet system used for magnetic resonance systems, such as magnetic resonance imaging (“MRI”) systems, nuclear magnetic resonance (“NMR”) systems, or the like.
Chad Tyler Harris, Geron Andre Bindseil, Alexander Gyles Panther, Jeff Alan Stainsby, Philip J. Beatty
Filed: 20 Sep 20
Utility
Device, System and Method for Transforming a Diffusion-weighted Magnetic Resonance Image to a Patient Diffusion-weighted Magnetic Resonance Coordinate Space
30 Dec 20
A computing device: compares an anatomical magnetic resonance (MR) image of a patient region and reference anatomical data associated with the region to determine a first transform of a bore anatomical coordinate space of the anatomical MR image to a patient anatomical coordinate space associated with the patient; determines, from the first transform, a second transform of a bore DWMR coordinate space of a DWMR image to a patient DWMR coordinate space associated with the patient, the anatomical and the DWMR images being in respective bore coordinate spaces associated with a bore of an MR device which acquired the anatomical and the DWMR images; transforms, using the second transform, the DWMR image to the patient DWMR coordinate space; and controls a display screen to render the DWMR image, as transformed, according to visual attributes associated with the patient DWMR coordinate space.
Neil Jeffrey WITCOMB, Simon Kenley ALEXANDER
Filed: 24 Jun 19
Utility
System and Method for Dynamic Validation, Correction of Registration for Surgical Navigation
30 Dec 20
A system and method for dynamic validation, registration correction for surgical navigation during medical procedures involving confirmation of registration between previously registered virtual objects, in a common coordinate frame of a surgical navigation system and an operating room, and intra-operatively acquired imaging during the medical procedure in the common coordinate frame.
Gal Sela, Cameron Piron, Michael Wood, Joshua Richmond, Murugathas Yuwaraj, Stephen McFadyen, Monroe M. Thomas, Wes Hodges, Simon Alexander, David Gallop
Filed: 8 Sep 20
Utility
Magnetic Resonance Imaging Systems and Methods
23 Dec 20
A method is provided for magnetic resonance (MR) imaging near metal, including acquiring an image at a first magnetic field from a subject that includes a metal object, acquiring an image at a second magnetic field, and combining the images to provide a corrected image with reduced metal distortion.
JEFF ALAN STAINSBY, CHAD TYLER HARRIS
Filed: 23 Jun 19
Utility
Shimming Coils for Magnetic Resonance Imaging
23 Dec 20
A method for operating a magnetic resonance imaging (MRI) system that includes: accessing data indicating a first region for imaging a portion of a subject, the portion being placed in a main magnet of the MRI system and the main magnet generating a magnetic field; selecting, from a group of available shimming coils, a first subset of shimming coils arranged and configured such that, when the shimming coils in the first subset are driven, a homogeneity of the magnetic field at the first region is increased; and driving the shimming coils in the selected first subset of shimming coils without driving other shimming coils in the group of available shimming coils such that the homogeneity of the magnetic field at the first region increases relative to the homogeneity of the magnetic field at the first region when the shimming coils of the selected first subset are not driven.
Chad Tyler Harris, Philip J. Beatty, Alexander Gyles Panther, Jeff Alan Stainsby, David Mark Deschenes
Filed: 26 Jan 20
Utility
Magnetic Resonance Imaging of Different Nuclear Spin Species with the Same Radio Frequency Coil
16 Dec 20
Systems and methods for magnetic resonance imaging (“MRI”) of multiple different nuclear spin species using the same radio frequency (“RF”) coil are described.
Jeff A. Stainsby
Filed: 27 Aug 20
Utility
Orthogonal Element Decoupling for Moveable Coil Arrays In Mri
9 Dec 20
A head coil assembly includes a housing with a lower portion, an upper portion, a left portion, and a right portion, wherein each portion includes two or more radio-frequency (RF) coils, wherein the portions are sized and shaped to adjustably conform to a curvature of the subject's head for magnetic resonance (MR) imaging of the subject's head placed inside the housing, wherein the portions are operable to transition from an open position where the portions are sufficiently apart from each other to a closed position where the portions are adjusted to tighten a wrap around the subject's head along the curvature, and wherein the two or more RF coils in each portion are disposed in such manner that when the portions are operated to transition from the open position to the closed position, the RF coils of each portion remain decoupled to each other even along edges of each portion.
Ian Robert Oliphant CONNELL, Gilbert Thevathasan, William Wai-Leung LAU, Alexander Gyles Panther
Filed: 6 Jun 19
Utility
Integrated Active Detuning for Magnetic Resonance Imaging
25 Nov 20
A coil assembly includes: a radio frequency (RF) coil operable to be placed over a portion of a subject; a quarter-wave transformer coupled to the RF coil and configured to transform a characteristic impedance of the RF coil; and a diode placed behind the quarter-wave transformer and away from the RF coil, wherein the diode is operable to: (i) when the diode is forward biased, the diode turns the quarter-wave transformer into an open circuit such that the power amplifier drives the RF coil with sufficient electrical power for the RF coil to transmit an RF pulse into the portion of the subject; and (ii) when the diode is provided zero or reverse bias, the diode turns the quarter-wave transformer into a short circuit such that the RF coil is detuned from a Lamor frequency of nuclei of interest immersed in the main magnet.
Ian Robert Oliphant CONNELL
Filed: 21 May 19
Utility
System and Method to Reduce Eddy Current Artifacts In Magnetic Resonance Imaging
18 Nov 20
Some implementations provide a system that includes: a housing having a bore in which a subject to be image is placed; a main magnet configured to generate a volume of magnetic field within the bore, the volume of magnetic field having inhomogeneity below a defined threshold; one or more gradient coils configured to linearly vary the volume of magnetic field as a function of spatial location; one or more pulse generating coils configured to generate and apply radio frequency (RF) pulses to the volume of magnetic field in sequence to scan the portion of the subject; one or more shim gradient coils configured to perturb a spatial distribution of the linearly varying volume of magnetic field; and a control unit configured to operate the gradient coils, pulse generating coils, and shim gradient coils such that only the user-defined region within the volume of magnetic field is imaged.
Jeff Alan Stainsby, Chad Tyler Harris
Filed: 2 Aug 20
Utility
Coil Assembly for Magnetic Resonance Imaging
4 Nov 20
A portable magnetic resonance imaging (MRI) system and methods, involving a magnet configured to generate a magnetic field, the magnet being a portable magnet transportable on a cart, and at least one coil assembly disposed in relation to the magnet, the at least one coil assembly having at least one gradient coil.
Cameron Anthony Piron, Alexander Gylers Panther, Sheryl Rae Thingvold, Chad Tyler Harris, Jeff Alan Stainsby
Filed: 21 Jul 20
Utility
Transmit Coil Frequency Response Correction for Magnetic Resonance Imaging
7 Oct 20
Methods for correcting a non-uniform power response of a radiofrequency (“RF”) transmit coil used in magnetic resonance imaging (“MRI”) are described.
Jeff Alan Stainsby, Chad Tyler Harris, Andrew Thomas Curtis, Alexander Gyles Panther
Filed: 17 Jun 20