203 patents
Page 4 of 11
Utility
Magnetic resonance imaging of different nuclear spin species with the same radio frequency coil
17 May 22
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: 28 Aug 20
Utility
Magnetic resonance imaging system capable of rapid field ramping
3 May 22
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
Exoscope with enhanced depth of field imaging
19 Apr 22
An exoscope with enhanced depth of field imaging is provided.
William La, Siu Wai Jacky Mak
Filed: 4 Dec 19
Utility
Micrometer size multi-functional probe for oct and electro-physiological recording
22 Mar 22
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
Trajectory alignment system and methods
22 Mar 22
The navigation systems and methods facilitate aligning a tool in relation to a trajectory in real-time to receive input data from a pre-operative plan image, at least one multi-modal image, and at least one real-time multi-modal image; interactively track at least one neural fiber, whereby interactively tracked fiber data is obtainable; automatically generate output data by way of data transformation using the input data and the interactively tracked neural fiber data; and transmit the output data to at least one of: at least one display device for rendering at least one real-time interactive navigation display for facilitating neural navigation, and at least one drive device for positioning at least one tracking device in relation to the tool in real-time, whereby real-time alignment data is achievable, and whereby at least one neurological structure is preservable.
Gal Sela, Neil Jeffrey Witcomb
Filed: 16 Mar 16
Utility
Context aware surgical systems and methods via hyperspectral image analysis to configure a device during medical procedure
15 Mar 22
Systems and methods are provided in which devices that are employed during a medical procedure are adaptively configured during the medical procedure, based on input or feedback that is associated with the current state, phase or context of the medical procedure.
Cameron Piron, Michael Wood, Gal Sela, Joshua Richmond, Murugathas Yuwaraj, Stephen McFadyen, Alex Panther, Nishanthan Shanmugaratnam, William Lau, Monroe M. Thomas, Wes Hodges, Simon Alexander, David Gallop
Filed: 7 Jul 17
Utility
Magnetic resonance visible labels and markers for encoding information
8 Mar 22
Systems and methods for manufacturing and using magnetic resonance (“MR”) visible labels or markers to encode information unique to the subject or object being imaged by a magnetic resonance imaging (“MRI”) system are provided.
Kelly Noel Dyer, Jeff Alan Stainsby, Fergal Kerins
Filed: 17 Sep 18
Utility
System and method for increased signal-to-noise ratio in multi spin-echo pulse imaging
8 Mar 22
The present disclosure provides a system for and a method of obtaining a magnetic resonance image by performing magnetic resonance imaging (MRI) at multiple slices simultaneously.
Charles H. Cunningham, Jeffrey A. Stainsby, Andrew T. Curtis
Filed: 16 Mar 20
Utility
Method of reducing spatial extent of gradient coil current feeding connectors
8 Mar 22
A magnetic resonance (MR) imaging system includes: a main magnet configured to generate a volume of magnet field suitable for forming MR imaging; a transmit radio frequency (RF) coil assembly configured to transmit at least one RF signal; a receive radio frequency (RF) coil assembly configured to, in response to the at least one RF pulse, receive MR signals; a gradient coil assembly comprising (i) windings of coils arranged in a radial layer, and (ii) a first set of connectors embedded in the radial layer to reduce a radial extent occupied by the gradient coil assembly, the first set of electrical connectors configured to drive the windings of coils; and a control unit coupled to the transmit RF coil assembly, the receive RF coil assembly, and the gradient coils, the control unit configured to synchronously operate the gradient coil assembly, the transmit coil assembly, and the receive coil assembly.
Geron Andre Bindseil, William Bradfield Handler
Filed: 18 May 18
Utility
Insert imaging device for surgical procedures
22 Feb 22
Insertable imaging devices and use methods thereof in minimally invasive medical procedures.
Cameron Piron, Michael Wood, Murugathas Yuwaraj, Alex Panther, Nishanthan Shanmugaratnam, William Lau, Monroe M. Thomas, Gal Sela, Joshua Richmond, Wes Hodges, Simon Alexander, David Gallop
Filed: 17 Oct 17
Utility
Gradient coil apparatus and methods for MRI
15 Feb 22
A coil apparatus and methods for magnetic resonance imaging involving a wire winding, the wire winding having at least one of: a hollow cross-section wire and a solid cross-section wire, the solid cross-section wire having at least one of: a solid small cross-section wire and a solid large cross-section wire, the solid large cross-section wire having a thickness greater than that of the solid small cross-section wire, and the solid small cross-section wire disposed in one of adjacent and proximate at least one of the hollow cross-section wire and the solid large cross-section wire, whereby at least one of current density, winding density, and heat extraction are increasable.
Geron André Bindseil, Ian Robert Oliphant Connell, William Bradfield Handler, Chad Tyler Harris
Filed: 13 Sep 19
Utility
System and method to improve performance of asymmetrical gradient coils by allowing a uniform offset field
8 Feb 22
An asymmetric electromagnet system, method, and method of producing an asymmetric electromagnet system, wherein the asymmetric electromagnet system is for generating an imaging magnetic field in an imaging region with an imaging isocentre, the imaging region being asymmetrically positioned within a gradient coil bore inside a magnetic resonance imaging (MRI) system during imaging, the electromagnet assembly comprising: an asymmetric gradient coil configured to generate a gradient field in the asymmetrically positioned imaging region, at least one gradient axis having the gradient field with a constant offset component such that the position at which the gradient field passes through zero is offset with respect to the imaging isocentre of the asymmetrically positioned imaging region.
Geron Andre Bindseil, Blaine Alexander Chronik, Ian Robert Oliphant Connell, Andrew Thomas Curtis, William Bradfield Handler, Chad Tyler Harris, Jeff Alan Stainsby, Philip J. Beatty
Filed: 29 Jul 20
Utility
Real-time compensation of high-order concomitant magnetic fields
8 Feb 22
A method, electromagnet device, and system for reducing a higher order term of a concomitant field in an imaging magnetic field during magnetic resonance imaging is described.
Chad Harris, Geron Bindseil, Andrew T. Curtis
Filed: 2 Oct 19
Utility
Shimming coils for magnetic resonance imaging
1 Feb 22
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: 27 Jan 20
Utility
Surgical microscope system with automatic zoom control
1 Feb 22
A surgical microscope system for use in a medical procedure.
Siu Wai Jacky Mak, Tammy Lee
Filed: 3 Jul 20
Utility
Dressing apparatus and methods for facilitating healing
25 Jan 22
A dressing apparatus and methods for facilitating healing, the apparatus and methods involving a dressing member, an electromagnetically conductive element mechanically coupled with the dressing member, and a primary RFID device configured to transmit at least one output signal to the electromagnetically conductive element, to receive at least one return signal from the electromagnetically conductive element, and to provide an alert if the at least one return signal has a strength corresponding to at least approximately a threshold amount of fluid present in the dressing member, whereby healing is facilitated.
Sean Jy-Shyang Chen, Alison-Jean Kramer, Gal Sela
Filed: 16 Aug 16
Utility
Intelligent positioning system and methods therefor
28 Dec 21
System and methods are provided for adaptively and intraoperatively configuring an automated arm used during a medical procedure.
Cameron Piron, Michael Wood, Gal Sela, Joshua Richmond, Murugathas Yuwaraj, Stephen McFadyen, Alex Panther, Nishanthan Shanmugaratnam, William Lau, Monroe M. Thomas, Wes Hodges, Simon Alexander, David Gallop
Filed: 4 Jan 18
Utility
3D navigation system and methods
28 Dec 21
A 3D navigation system and methods for enhancing feedback during a medical procedure, involving: an optical imaging system having an optical assembly comprising movable zoom optics and movable focus optics, a zoom actuator for positioning the zoom optics, a focus actuator for positioning the focus optics, a controller for controlling the zoom actuator and the focus actuator in response to received control input, at least one detector for capturing an image of at least one of a target and an obstacle, the at least one detector operable with the optical assembly, and a proprioception feature operable with the optical imaging system for generating a 3D perception, the proprioception feature comprising a communication feature for providing 3D information, the 3D information comprising real-time depth information in relation to real-time planar information within an interrogation volume.
Cameron Anthony Piron, Michael Frank Gunter Wood
Filed: 31 Oct 16
Utility
Multi-fiber optical probe and optical coherence tomography system
21 Dec 21
Multichannel optical coherence systems are disclosed in which optical coherence tomography (OCT) subsystems are operably and respectively connected to optical fibers of a multichannel optical probe, such that each optical fiber forms at least a distal portion of a sample beam path of a respective OCT subsystem.
Siu Wai Jacky Mak, Arun Victor Jagga
Filed: 22 Apr 16
Utility
Method for recovering patient registration
7 Dec 21
A method for updating a patient registration during a medical procedure is disclosed.
Kirusha Srimohanarajah, Gal Sela, Dorothy Lui, Kai Michael Hynna
Filed: 19 Mar 20