309 patents
Page 3 of 16
Utility
Method for multimodal tissue imaging based on resonance Raman effect on metal based MRI contrast agents and method for ionizing laser plumes through atmospheric pressure chemical ionization
21 Feb 23
Disclosed herein is a method for multimodal imaging during a medical procedure using magnetic resonance imaging (MRI) and Raman optical imaging which involves administering an MRI imaging contrast agent that a chemical structure having charge-transfer electronic transitions.
Kresmir Franjic
Filed: 24 Jul 17
Utility
Method of reducing spatial extent of gradient coil current feeding connectors
21 Feb 23
Magnetic resonance imaging (MRI) systems and methods, involving: a main magnet configured to generate a magnet field for MRI; a transmit radio frequency (RF) coil assembly configured to transmit an RF pulse into a portion of a subject; an RF coil assembly configured to, in response to the an RF pulse, receive MR signals emitted from the portion of the subject; and a gradient coil assembly having coil windings arranged in a radial layer and a first set of electrical connectors embedded in the radial layer to reduce a radial extent occupied by the gradient coil assembly, an electrical connector in the first set of electrical connectors configured to cross over a portion of the coil windings in the radial layer, the first set of electrical connectors configured to drive the coil windings with a current sufficient to generate a perturbation in the magnet field such that the MR signals encode an MR image based on the perturbation, and the radial layer having a depressed area configured to radially constrain the electrical connector.
Geron André Bindseil, William Bradfield Handler
Filed: 2 Feb 22
Utility
System and method for providing surgical guidance based on polarization-sensitive optical coherence tomography
14 Feb 23
Systems and methods are provided for identifying a suitable surgical location and/or trajectory for proceeding with a surgical procedure based on local polarization-sensitive optical coherence tomography imaging (PS-OCT).
Cameron Anthony Piron, Michael Frank Gunther Wood, Murugathas Yuwaraj, Siu Wai Jacky Mak
Filed: 28 Mar 19
Utility
Reducing magnetic field instabilities caused by oscillations of a mechanical cryo-cooler in magnetic resonance systems
31 Jan 23
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: 21 Sep 20
Utility
Orthogonal element decoupling for moveable coil arrays in MRI
31 Jan 23
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: 22 Jul 21
Utility
System and methods for correcting image data of distinct images and generating and stereoscopic three-dimensional images
3 Jan 23
An optical imaging system for imaging a target during a medical procedure, the optical imaging system involving a first camera for capturing a first image of the target, a second wide-field camera for capturing a second image of the target, at least one optional path folding mirror disposed in an optical path between the target and a lens of the second camera, and a processor for receiving the first image and the second image, the processor configured to apply an image transform to one of the first image and the second wide-field image and combine the transformed image with the other one of the images to produce a stereoscopic image of the target.
Gal Sela
Filed: 1 Jun 21
Utility
Optical-based input for medical devices
13 Dec 22
A system for adjusting an operating state of a medical electronic device is described.
Kirusha Srimohanarajah, Dorothy Lui, Gal Sela, Stephen Elliott Soman, Sepide Movaghati
Filed: 8 Dec 16
Utility
Systems and Methods for Navigation and Simulation of Minimally Invasive Therapy
8 Dec 22
Navigation and simulation systems and methods for minimally invasive therapy in which the navigation system imports a planning method using patient specific preoperative images.
Cameron PIRON, Michael WOOD, Gal SELA, Joshua RICHMOND, Murugathas YUWARAJ, Monroe M. THOMAS, Wes HODGES, Simon ALEXANDER, David GALLOP, Alex PANTHER, Nishanthan SHANMUGARATNAM, William LAU
Filed: 15 Aug 22
Utility
System and Method for Reducing Peripheral Nerve Stimulation at Higher Gradient Amplitudes and Faster Gradient Slew Rates in Magnetic Resonance Imaging
8 Dec 22
Systems and methods for imaging a subject with a magnetic resonance imaging system using magnetic field gradients generated by one or more gradient coils operating with gradient coil settings, such as gradient amplitudes and gradient slew rates, above a threshold at which peripheral nerve stimulation is likely to be induced in the subject.
Chad Tyler HARRIS, Geron ANDRÉ BINDSEIL, William Bradfield HANDLER
Filed: 15 Aug 22
Utility
Adjustable Head Coil System and Methods for Enhancing And/or Optimizing Mri
1 Dec 22
An adjustable head coil system and methods for enhancing and/or optimizing magnetic resonance imaging, involving a housing, the housing having at least one portion, the at least one portion having a lower portion, an upper portion, and opposing side portions, each at least one portion optionally in movable relation to any other portion for facilitating adjustability, each at least one portion configured to accommodate at least one radio-frequency coil, and the upper and lower portions each optionally configured to overlap and engage the opposing side portions for facilitating decoupling the at least one radio-frequency coil, and a tongue portion optionally in movable relation to any other portion for facilitating adjustability, engageable with the lower portion, and fixably couple-able with a transporter.
William Wai-Leung LAU, Alexander Gyles PANTHER, Gilbert THEVATHASAN, Mark Tullio MORREALE
Filed: 9 Aug 22
Utility
Surgical optical zoom system
22 Nov 22
Methods and systems for controlling a surgical microscope.
Tammy Kee-Wai Lee, William La, Paul Quevedo, Aryeh Benjamin Taub, Yusuf Bismilla, Sam Anthony Leitch, Yuri Alexander Kuzyk, Ze Shan Yao, Michael Frank Gunter Wood
Filed: 28 Mar 21
Utility
System and method for delta relaxation enhanced magnetic resonance imaging
22 Nov 22
A delta-relaxation magnetic resonance imaging (DREMR) system is provided.
Alexander Gyles Panther, Cameron Anthony Piron, Jeff Alan Stainsby, Chad Tyler Harris
Filed: 18 Oct 18
Utility
Systems and Methods for Planning and Simulation of Minimally Invasive Therapy
10 Nov 22
A system and method is provided for planning a surgical procedure.
Kelly Noel DYER, Fergal KERINS, Alicia MCNEELY
Filed: 10 May 21
Utility
System and method for determining health care procedures and reimbursement
8 Nov 22
A method and system is provided for recording a health care event, optimizing medical procedures and calculating reimbursement.
Cameron Anthony Piron, Arun Victor Jagga, Murugathas Yuwaraj, Thanh Vinh Vuong
Filed: 18 Aug 16
Utility
Magnetic Resonance Imaging System and Method for Rapid Shutdown and Recharge of a Superconducting Magnet
3 Nov 22
A magnetic resonance imaging (MRI) system includes a set of magnet coils for generating a magnetic field.
Jeff Alan Stainsby, Chad Tyler Harris, Alexander Gyles Panther
Filed: 1 Jul 22
Utility
Method and system for reducing magnetic field instabilities in a magnetic resonance system
18 Oct 22
A method, device, and system for reducing inhomogeneity in an imaging magnetic field during magnetic resonance imaging is described.
Ian Connell, Chad Harris, Geron Bindseil, Andrew T. Curtis
Filed: 26 May 21
Utility
Motorized Full Field Adaptive Microscope
22 Sep 22
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: 7 Jun 22
Utility
System and Method of Tractography Labeling In the Presence of Brain Lesion
8 Sep 22
A system and methods for labeling tractography, having a tract segmentation and a tract labeling atlas, in a presence of a lesion in a brain, involving: a graphical user interface (GUI) comprising a tool configured to facilitate adjusting a displacement for intraoperatively reperforming the tract segmentation in approximately real time, modeling deformation of the tract labeling atlas by facilitating modeling a force exerted by the lesion on the brain, and defining parameters of a size, a shape, and a level of the displacement condition; and a processor in communication with the GUI and configured to: determine whether an infiltration condition and a displacement condition appears in the tractography; if the infiltration condition and the displacement condition is determined to appear in the tractography, estimate the infiltration condition and the displacement condition; if the displacement condition is determined to appear in the tractography, instruct the GUI to render the tool and model the force exerted by the lesion on the brain by using the parameters, whereby a new tract segmentation and a new tract labeling atlas are provided; and if the displacement condition is determined to be absent from the tractography, refrain from modeling the force, a presence of only the infiltration condition being assumed.
Wes HODGES, Alicia McNeely
Filed: 3 Mar 22
Utility
Head coil system and methods for enhancing and/or optimizing MRI
6 Sep 22
Optionally adjustable head coil system and methods for enhancing and/or optimizing magnetic resonance imaging, involving a housing, the housing having at least one portion, the at least one portion having a lower portion, an upper portion, and opposing side portions, each at least one portion optionally in movable relation to any other portion for facilitating adjustability, each at least one portion configured to accommodate at least one radio-frequency coil, and the upper and lower portions each optionally configured to overlap and engage the opposing side portions for facilitating decoupling the at least one radio-frequency coil, and a tongue portion optionally in movable relation to any other portion for facilitating adjustability, engageable with the lower portion, and fixably couple-able with a transporter.
William Wai-Leung Lau, Alexander Gyles Panther, Gilbert Thevathasan, Mark Tullio Morreale
Filed: 27 Jan 16
Utility
System and method for reducing peripheral nerve stimulation at higher gradient amplitudes and faster gradient slew rates in magnetic resonance imaging
30 Aug 22
Described here are systems and methods for imaging a subject with a magnetic resonance imaging (“MRI”) system using magnetic field gradients generated by one or more gradient coils operating with gradient coil settings (e.g., gradient amplitudes, gradient slew rates) above a threshold at which peripheral nerve stimulation (“PNS”) is likely to be induced in the subject.
Chad Harris, Geron Bindseil, William Handler
Filed: 31 Oct 16