Patents Examined by Pascal M. Bui-Pho
  • Patent number: 11428761
    Abstract: A method of operating a magnetic resonance imaging system (10) includes adjusting a radio frequency excitation field B1 to be applied to a subject of interest (20) to be imaged. At least one position parameter (d) that is indicative of a position of at least the portion of the subject of interest (20) relative to at least one radio frequency transmit antenna (36) of the magnetic resonance imaging system (10) is determined. At least one radio frequency power-related parameter of radio frequency power to be fed to the at least one radio frequency transmit antenna (36) is adjusted in dependence of the at least one of the determined at least one position parameter (d) and a determined geometric dimension (w) of the subject of interest (20).
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: August 30, 2022
    Assignee: Koninklijke Philips N.V.
    Inventor: Paul Royston Harvey
  • Patent number: 11378638
    Abstract: An echo planar imaging technique in which a quadruple echo gradient and spin echo echo-planar imaging pulse sequence is utilized. The pulse train includes generation of two echo trains between an excitation pulse (90) and a refocusing pulse (180) to achieve two gradient echo images (also called T2*-weighted images); with one echo train directly after the 180 pulse, leading to asymmetric spin echo images (T2?-weighted images); and a last echo train afterward that generates spin echo images (T2-weighted). The technique has a number of advantages over existing techniques with regard to voxel size, mapping relative oxygen extraction, determining permeability, determining relative cerebral blood volume, vessel parameters (diameter, density, size, arterial/venous, etc.), stroke imaging, imaging perfusion, fMRI imaging, and additional benefits.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: July 5, 2022
    Assignee: The Regents of the University of California
    Inventors: Benjamin Ellingson, Kevin Leu
  • Patent number: 11369403
    Abstract: A handheld instrument for endoscope surgery includes a shaft, a jaw, a handle, a phased array ultrasonic sensor, and a signal wiring. The jaw is placed at one end of the shaft and has a holding function. The handle is placed at the other end of the shaft and includes an operation mechanism for operating the jaw. The phased array ultrasonic sensor is mounted on the jaw and has an imaging function. The signal wiring is provided to the shaft and connects the ultrasonic sensor and the handle.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: June 28, 2022
    Assignee: SONY CORPORATION
    Inventors: Rui Morimoto, Kazuhiko Miyahara
  • Patent number: 11357476
    Abstract: Provided is a probe which transmits an ultrasonic wave to a diagnostic site and receives a reception signal which is a reflected wave.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: June 14, 2022
    Assignee: FUJIFILM Healthcare Corporation
    Inventors: Yutaka Igarashi, Shinya Kajiyama, Yohei Nakamura, Kengo Imagawa, Kazuhiro Amino, Takayuki Iwashita
  • Patent number: 11350826
    Abstract: A device for acquisition of medical images of an ulcer includes a plurality of light sources arranged on the perimeter of a closed regular plane geometry, and adapted to illuminate an ulcer by respective light beams covering the surface of the wound in an overlapped fashion; an image acquisition device placed within the perimeter of the light sources and adapted to acquire medical images of said illuminated ulcer.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: June 7, 2022
    Assignee: Politecnico Di Torino
    Inventors: Jacopo Secco, Orlando Selenu, Marco Farina
  • Patent number: 11350870
    Abstract: This disclosure provides methods, reagents, and diagnostic and prognostic markers useful for non-invasive identification, diagnosis, and therapeutic intervention in individuals with epilepsy. More particularly, the disclosure uses specific metabolites measured by magnetic resonance spectroscopy in brain tissue to detect epileptic brain regions.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: June 7, 2022
    Assignee: The Board of Trustees of the University of Illinois
    Inventor: Jeffrey A Loeb
  • Patent number: 11344283
    Abstract: Synthetic-aperture ultrasound tomography systems and methods using scanning arrays and algorithms configured to simultaneously acquire ultrasound transmission and reflection data, and process the data for improved ultrasound tomography imaging, wherein the tomography imaging comprises total-variation regularization, or a modified total variation regularization, particularly with edge-guided or spatially variant regularization.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: May 31, 2022
    Assignee: TRIAD NATIONAL SECURITY, LLC
    Inventors: Lianjie Huang, Youzuo Lin
  • Patent number: 11344218
    Abstract: A contact-free method of determining biometric parameters and physiological parameters of a subject of interest (20) to be examined by a medical imaging modality (10), comprising steps of taking (72) a picture by a first digital camera (52) including a total view of an examination table (44); applying (74) a computer vision algorithm or an image processing algorithm to the picture for determining a biometric parameter of the subject of interest (20) in relation to the examination table (44); taking (78) at least one picture with a second digital camera (58), whose field of view (60) includes a region of the subject of interest (20) that is related to the at least one determined biometric parameter; using data indicative of the determined biometric parameter to identify (82) a subset of pixels of the at least one picture taken by the second digital camera (58) that define a region of interest (64) from which at least one physiological parameter of the subject of interest (20) is to be determined, taking (84) a
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: May 31, 2022
    Assignee: Koninklijke Philips N.V.
    Inventors: Julien Senegas, Daniel Wirtz, Sascha Krueger, Vincent Jeanne, Thirukumaran Thangaraj Kanagasabapathi, Joerg Sabczynski, Peter Forthmann
  • Patent number: 11327163
    Abstract: Methods, systems and computer program products for determining a mechanical parameter for a sample having a target region using constructive shear wave displacement is provided. The method includes generating a first shear wave in the target region at a first excitation position and a second shear wave in the target region at a second excitation position; transmitting tracking pulses in the target region at a tracking position that is between the first and second excitation positions; receiving corresponding echo signals for the tracking pulses at the tracking position in the target region; and determining at least one mechanical parameter of the target region based on at least one parameter of a constructive shear wave displacement from the first and second shear waves simultaneously displacing tissue at the tracking position.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: May 10, 2022
    Assignee: Duke University
    Inventors: Mark Palmeri, Kathryn R. Nightingale
  • Patent number: 11311275
    Abstract: Asymmetry is provided for the pushing pulse in acoustic radiation force impulse (ARFI) imaging. MI is based on the negative pressure. By increasing the positive pressure more than the negative pressure, the magnitude of displacement may be increased without exceeding the MI limit. Similarly, negative voltages depole while positive do not, so using an ARFI or pushing pulse with asymmetric positive-to-negative peak pressures or voltages allows for generation of greater magnitude of displacement without harm to the transducer.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: April 26, 2022
    Assignee: Siemens Medical Solutions USA, Inc.
    Inventors: Stephen J. Rosenzweig, Paul Reynolds
  • Patent number: 11311276
    Abstract: An ultrasonic diagnostic apparatus includes an image generating unit configured to generate a plurality of different ultrasound image data items from reception signals corresponding to a plurality of different steering angles, on the basis of the reception signals which an ultrasound probe has generated on the basis of reflected ultrasonic waves received from a reflecting surface of a subject body by transmitting ultrasonic waves at the plurality of different steering angles, and a regression estimate generating unit configured to perform regression analysis on the basis of the different steering angles and the ultrasound image data items, and generate regression estimates which are weighting values on the basis of the result of the regression analysis, and an image synthesis unit configured to perform weighting on the plurality of ultrasound image data items on the basis of the regression estimates, and synthesize them, thereby generating synthetic image data.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: April 26, 2022
    Assignee: KONICA MINOLTA, INC.
    Inventor: Jo Shikama
  • Patent number: 11298104
    Abstract: According to one embodiment, a medical processing apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires a body mark that schematically shows a positional relationship of a plurality of structures in a heart. The processing circuitry analyzes image data as analysis targets which are at least two structures in the heart of a subject, the image data being acquired by scanning the subject. The processing circuitry displays the body mark on a display together with analysis results of the at least two structures.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: April 12, 2022
    Assignee: Canon Medical Systems Corporation
    Inventors: Shogo Fukuda, Keita Yonemori
  • Patent number: 11298206
    Abstract: A positioning system for an imaging device, in particular a MR imaging device to position an insertion element on or in the body of a subject, in particular an animal, wherein the imaging device comprises a bore, in which the subject is received, wherein the positioning system comprises a robot which can be at least partially arranged in the bore of the imaging device and comprises a holding element to hold the insertion element; wherein the robot further comprises at least one actuator acting on the holding element, such that an end portion of the insertion element is movable, wherein said at least one actuator is arranged with a distance D from the bore to minimize magnetic and/or electromagnetic interferences between the imaging device and the at least one actuator and said first actuator is coupled to the holding element in a form-fit- and/or a force-fit-manner.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: April 12, 2022
    Assignee: The General Hospital Corporation
    Inventors: Yi Chen, Xin Yu, Shanyi Yu
  • Patent number: 11293963
    Abstract: One example discloses a device for electromagnetic structural characterization, including: a controller having an electromagnetic transmitter output and a communications interface; wherein the controller is configured to send a signal over the electromagnetic transmitter output that causes an electromagnetic transmitter to generate a first electrical field (E1) and a first magnetic field (H1); wherein the controller configured to receive over the communications interface a second electric field (E2) and a second magnetic field (H2) received by an electromagnetic receiver; wherein the first electrical field and the first magnetic field correspond to when the electromagnetic transmitter is at a first location proximate to a structure and the second electrical field and the second magnetic field correspond to when the electromagnetic receiver is at a second location proximate to the structure; and wherein the controller is configured to calculate an impedance based on the electric and magnetic fields interacting
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: April 5, 2022
    Assignee: NXP B.V.
    Inventors: Anthony Kerselaers, Axel Nackaerts
  • Patent number: 11291505
    Abstract: A system for simulating surgical methods includes a method for thorax simulation modelling. The thorax simulation modeling is generally useful in facilitating the development and optimization of person specific surgical methods and materials.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: April 5, 2022
    Assignee: Deakin University
    Inventor: Rashid Ahmad
  • Patent number: 11285338
    Abstract: The present disclosure relates to a method for controlling a magnetic resonance imaging guided radiation therapy apparatus comprising a magnetic resonance imaging system.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: March 29, 2022
    Assignee: Koninklijke Philips N.V.
    Inventors: Nicole Schadewaldt, Steffen Renisch, Sven Prevrhal, Heinrich Schulz, Thomas Blaffert
  • Patent number: 11284865
    Abstract: The ultrasonic diagnostic apparatus according to the present embodiment includes processing circuitry. The processing circuitry is configured to determine a scan region of an ultrasonic wave according to a scan target. The processing circuitry is configured to set a pulse repetition frequency for each raster of rasters so as to correspond to the scan region. The processing circuitry is configured to control a scan performance according to the pulse repetition frequency.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: March 29, 2022
    Assignee: CANON MEDICAL SYSTEMS CORPORATION
    Inventors: Chihiro Shibata, Akihiro Kakee, Kuramitsu Nishihara
  • Patent number: 11284964
    Abstract: The invention relates to a medical navigation marker device (1; 2; 3) comprising a light reflector, characterised in that the reflector features a marker pattern (11, 12, 13; 11, 12, 13, 14, 15, 16; 27, 28; 34, 37; 35, 37) having the following features:—the marker pattern (11, 12, 13; 11, 12, 13, 14, 15, 16; 27, 28; 34, 37; 35, 37) points in more than one spatial direction; —the marker pattern (11, 12, 13; 11, 12, 13, 14, 15, 16; 27, 28; 34, 37; 35, 37) comprises at least one moire pattern (11, 12, 13; 27; 37) which points in more than one spatial direction; and—the marker pattern (11, 12, 13; 11, 12, 13, 14, 15, 16; 27, 28; 34, 37; 35, 37) comprises a face identification pattern (14, 15, 16; 25, 26; 34; 35) which identifies the face of the marker being viewed from a particular spatial direction.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: March 29, 2022
    Assignee: Brainlab AG
    Inventors: Wolfgang Steinle, Timo Neubauer, Ingmar Hook
  • Patent number: 11284859
    Abstract: Provided is a probe which transmits an ultrasonic wave to a diagnostic site and receives a reception signal which is a reflected wave.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: March 29, 2022
    Assignee: FUJIFILM Healthcare Corporation
    Inventors: Yutaka Igarashi, Shinya Kajiyama, Yohei Nakamura, Kengo Imagawa, Kazuhiro Amino, Takayuki Iwashita
  • Patent number: 11284948
    Abstract: The present invention relates to a surgical microscope (1) with a field of view (9) and comprising an optical imaging system (3) which images an inspection area (11) which is at least partially located in the field of view (9), and to a method for a gesture control of a surgical microscope (1) having an optical imaging system (3). Surgical microscopes (1) of the art have the disadvantage that an adjustment of the microscope parameters, for instance the working distance, field of view (9) or illumination mode, requires the surgeon to put down his or her surgical tools, look up from the microscope's eyepiece (5) and perform the adjustment by operating the microscope handles. Also foot switches and mouth switches where proposed, whereas those are not intuitively operated, require training and are less accurate than hand control of the microscope handles. Thus, the surgeon may lose his or her focus, is confronted with inconveniences and delays and bears an increased risk of contamination.
    Type: Grant
    Filed: July 15, 2017
    Date of Patent: March 29, 2022
    Assignee: LEICA INSTRUMENTS (SINGAPORE) PTE. LTD.
    Inventor: George Themelis