Patents Examined by Jonathan Cwern
  • Patent number: 11344251
    Abstract: Disclosed herein are methods and apparatus for diagnosing a disease in the gingival region of an individual, comprising: quantitatively measuring blood flow or changes in blood flow in the gingival region of the individual, potentially comparing these data to that of a healthy subject, and diagnosing the disease based one of more of these quantities.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: May 31, 2022
    Assignee: The Regents of the University of California
    Inventors: Bernard H. Choi, Petra Wilder-Smith, Bruce Y. Yang, Caitlin Regan, Sean M. White, Tyler Rice
  • Patent number: 11337612
    Abstract: Described herein is a system and method for determining characteristics of a wound. The system includes a first imaging sensor that obtains imaging information of a wound area and a second imaging sensor that obtains topology information of the wound area.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: May 24, 2022
    Inventors: Kyle Wu, Peng Cheng, Peter Kim, Ozgur Guler
  • Patent number: 11330975
    Abstract: The present technology relates generally to devices and methods for intravascular evaluation of blood vessels. Many embodiments of the technology relate to the intravascular evaluation of blood vessels before, during and after creation of autologous valves. In one embodiment, for example, the present technology is directed to a method comprising intravascularly delivering a delivery catheter to a target location adjacent a vessel wall and engaging the vessel wall along a portion of the delivery catheter. The method can further include determining the location of a first circumferential periphery of a dissection pouch formed within the vessel wall, determining the location of a second circumferential periphery of the dissection pouch, and determining an angular width of the dissection pouch based on the location of the first circumferential periphery and the second circumferential periphery.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: May 17, 2022
    Assignee: InterVene, Inc.
    Inventors: Fletcher T. Wilson, Zachary J. Malchano
  • Patent number: 11324480
    Abstract: A sonographic imaging device involves an at least one movable panel, coupled to an upper surface, wherein movement of the panel will alter the overall size of the opening, a tub positioned beneath the opening and defining a volume such that a body part of a human subject can freely protrude through the opening into the volume defined by the tub, at least one robotic arm having a terminal end, wherein the terminal end is position-able to multiple locations within the volume defined by the tub, and at least one high frequency ultrasound transducer located near the terminal end. A related method of acquiring sonographic images of tissue of a human subject is also described.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: May 10, 2022
    Inventor: Philip B. Kivitz
  • Patent number: 11317892
    Abstract: Disclosed are embodiments of devices and methods for imaging the inside of a body part, such as a blood vessel. In particular embodiments, a catheter has a chamber within which is a transducer. A wire guide channel extends throughout the length of the catheter. The transducer is rotatable about the wire guide channel and the transducer is driven by a cable or other device that is connected to a motor which is located outside the catheter. In one form, a torque cable connects the transducer to the motor. In other embodiments, a pusher piece having a plurality of lumens is positioned in the catheter. Each of the lumens is sized to receive a cable, wire, and/or flushing fluid. The lumens maintain the orientation and separation of the cables, wires, and/or to flushing fluid.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: May 3, 2022
    Assignee: Muffin Incorporated
    Inventors: William J. Havel, Neal E. Fearnot, Sarah Robbins, Yun Zhou, Peter S. McKinnis, Marc C. Buhrmester
  • Patent number: 11304665
    Abstract: Methods for computing hemodynamic quantities include: (a) acquiring angiography data from a patient; (b) calculating a flow and/or calculating a change in pressure in a blood vessel of the patient based on the angiography data; and (c) computing the hemodynamic quantity based on the flow and/or the change in pressure. Systems for computing hemodynamic quantities and computer readable storage media are described.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: April 19, 2022
    Assignee: Siemens Healthcare GmbH
    Inventors: Puneet Sharma, Saikiran Rapaka, Xudong Zheng, Ali Kamen, Lucian Mihai Itu, Bogdan Georgescu, Dorin Comaniciu, Thomas Redel, Jan Boese, Viorel Mihalef
  • Patent number: 11304644
    Abstract: A system for simulating a medical procedure includes: a physical model of an organ including a sensor mesh; directed at the physical model; a user input device including a distal end inserted within the physical model; a display device; and a simulation controller coupled to the sensor mesh, the camera system, the user input device, and the display device, the simulation controller including a processor and memory storing instructions to cause the processor to: initialize a simulation of the organ; display, on the display device, a state of the simulation; compute a location of the distal end within the physical model of the organ based on contact data from the sensor mesh and images received from the cameras; receive user input from the user input device; update the state of the simulation of the organ in accordance with the user input; and display the updated state of the simulation.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: April 19, 2022
    Inventors: Albert Lu, Guoqiang Wu, Weiguo Lai
  • Patent number: 11298022
    Abstract: A configuration is provided for firmly fixing a transmitting and receiving unit for IVUS and a transmitting and receiving unit for OCT in a probe of an imaging apparatus for diagnosis in which space saving is achieved. The probe includes a cylindrical housing in which an ultrasonic wave transmitting and receiving unit is arranged on a distal side and a light transmitting and receiving unit is arranged on a proximal side. The ultrasonic wave transmitting and receiving unit and the light transmitting and receiving unit being fixed to the cylindrical housing in a state where a base of the ultrasonic wave transmitting and receiving unit and a base portion of the ball lens of the light transmitting and receiving unit are embedded in an adhesive agent.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: April 12, 2022
    Inventors: Ema Itoh, Kazuyuki Takahashi
  • Patent number: 11298567
    Abstract: It is an object of the invention to improve quality assurance when using MRI images for radiotherapy treatment planning. This object is achieved by a treatment plan evaluation tool A configured for calculating a quality indicator for a radiotherapy treatment plan. The radiotherapy treatment plan originates from a planning image, wherein the planning image is an MRI image acquired under a presence of a main magnetic field having a magnetic field inhomogeneity. The treatment plan evaluation tool is further configured to receive information about the magnetic field inhomogeneity and the treatment plan evaluation tool is further configured to calculate the quality indicator based on the information about the magnetic field homogeneity.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: April 12, 2022
    Inventors: Erkki Tapani Vahala, Lizette Warner, Kumar Raja Gattamaneni
  • Patent number: 11298026
    Abstract: Techniques for imaging are disclosed. In one example, the disclosure is directed to a sensor positioned on an elongate optical fiber. The sensor comprises a plurality of blazed Bragg gratings configured to generate acoustic energy for imaging a region in response to a first optical signal, an interferometer configured to sense acoustic energy from the region and to provide a responsive second optical signal, the interferometer including a first fiber Bragg grating (FBG) and a second FBG, wherein the plurality of blazed Bragg gratings are positioned between the first and second FBGs.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: April 12, 2022
    Inventors: Howard Neil Rourke, Michael J. Eberle, Diana Margaret Tasker
  • Patent number: 11266387
    Abstract: A medical system includes a flexible catheter, an imaging probe, a working catheter, and a positioning system. The flexible catheter includes a plurality of first lumens and a sealing device having one or more balloons to seal the anatomic passageways at a sealing location and one or more flaps or valves to remove air from the anatomic passageways. The imaging probe and working catheter are receivable within the plurality of first lumens and extend through the sealing device. The working catheter includes one or more second lumens to receive a medical instrument. The positioning system is configured to determine a position of a distal portion of the flexible catheter, the imaging probe, or the working catheter. The medical system is configured to collapse a portion of the anatomic passageways distal of the sealing location by removing air from the anatomic passageways to facilitate ultrasound imaging using the imaging probe.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: March 8, 2022
    Inventors: Worth B. Walters, Randall L. Schlesinger, Oliver J. Wagner
  • Patent number: 11259760
    Abstract: A method of providing imaging of a patient supported by a patient support platform arranged to be rotated about a first patient rotation axis by a patient rotation angle, the method constituted of: rotating an imager about an imager rotation axis by the patient rotation angle; translating the imager along a first imager translation axis; and translating the imager along a second imager translation axis different than the first imager translation axis, wherein responsive to the translation of the imager along the first imager translation axis and along the second imager translation axis, the imager is translated along an imaging axis defined by the patient support platform such that the imager is arranged to image the patient supported by the patient support platform.
    Type: Grant
    Filed: September 29, 2013
    Date of Patent: March 1, 2022
    Assignee: P-CURE LTD.
    Inventors: Michael Marash, Michael Shpunt
  • Patent number: 11207050
    Abstract: Disclosed are ultrasound devices and methods for use in guiding a subdermal probe during a medical procedure. A device can be utilized to guide a probe through the probe guide to a subdermal site. In addition, a device can include a detector in communication with a processor. The detector can recognize the location of a target associated with the probe. The processor can utilize the data from the detector and create an image of a virtual probe that can accurately portray the location of the actual probe on a sonogram of a subdermal area. In addition, disclosed systems can include a set of correlation factors in the processor instructions. As such, the virtual probe image can be correlated with the location of the actual probe.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: December 28, 2021
    Assignee: Soma Research, LLC
    Inventors: M. Dexter Hagy, Stephen F. Ridley
  • Patent number: 11191520
    Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes an ultrasonic probe and processing circuitry. The ultrasonic probe collects reflected wave data in a time series manner from a region of a subject in motion. The processing circuitry generates time-series volume data from the reflected wave data collected by the ultrasonic probe. The processing circuitry calculates at least either of volume information and motion information on a region of interest of the subject by performing processing including tracking using the volume data. The processing circuitry sets one or more feature positions that represent anatomical features in the region of interest. The processing circuitry displays an MPR image that passes through at least one of the feature positions. The processing circuitry outputs at least either of the volume information and the motion information that includes the feature positions as boundaries.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: December 7, 2021
    Inventors: Yasuhiko Abe, Shogo Fukuda
  • Patent number: 11185720
    Abstract: An ultrasound system for an ultrasound therapy (ablation or hyperthermia) of a region of interest comprising: a patch comprising a two-dimensional array of ultrasonic transducers (preferably CMUTs) arranged on a support, wherein a plurality of the transducers is adapted to operate in a variable frequency range; a transducer controller means adopted to activate at least two groups of the plurality of the transducers in the array for a transmission of the ultrasound signals, wherein each of the at least two groups: is arranged in a pattern; and operates at a frequency different from other group's frequency.
    Type: Grant
    Filed: October 12, 2015
    Date of Patent: November 30, 2021
    Inventors: Debbie Rem-Bronneberg, Aaldert Jan Elevelt, Sergei Shulepov
  • Patent number: 11182907
    Abstract: Systems and methods for managing motions of an anatomical region of interest of a patient during image-guided radiotherapy are disclosed. An exemplary system may include an image acquisition device, a radiotherapy device, and a processor device. The processor device may be configured to control the image acquisition device to acquire at least one 2D image. Each 2D image may include a cross-sectional image of the anatomical region of interest. The processor device may also be configured to perform automatic contouring in each 2D image to extract a set of contour elements segmenting the cross-sectional image of the anatomical region of interest in that 2D image. The processor device may be further configured to match the set of contour elements to a 3D surface image of the anatomical region of interest to determine a motion of the anatomical region of interest and to control radiation delivery based on the determined motion.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: November 23, 2021
    Assignee: Elekta LTD.
    Inventor: Martin Emile Lachaine
  • Patent number: 11179059
    Abstract: An optical imaging apparatus for diagnosis generates a closed curve which precisely reproduces the shape of the indwelled stent and the shape of the inner wall of the biological tissue at the indwelling position of the stent. The optical imaging apparatus analyzes intensity change in transmission direction of the light from the transmission and reception unit for every one of the respective line data; based on the result of the analysis detects pixel data expressing the stent position in the transmission direction; labels each pixel data expressing the detected stent position; eliminates, within the respective labeling groups applied with the same labels, labeling groups in each of which the number of pixel data in the circumferential direction is a predetermined value or less; calculates center position for each labeling group not eliminated; and generates a stent closed-curve using the center position of each labeling group.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: November 23, 2021
    Inventors: Junya Furuichi, Kenji Kaneko
  • Patent number: 11179202
    Abstract: A method is described for planning intracorporeal positioning of a puncture needle to be introduced percutaneously into a patient on the basis of a puncture plan, said method comprising the following steps: a) arranging a needle guide means in a spatially fixed manner on the patient; b) generating and storing a series of cross-sectional images, each containing spatially resolved image information of the patient and of the needle guide means attached in a spatially fixed manner to the patient in a first coordinate system, using an imaging diagnostic method; c) selecting and visually displaying at least one cross-sectional image or a numerically generated cross-sectional image from the series of stored cross-sectional images; d) superimposing a virtual, positionally variable linear trajectory on the basis of the selected cross-sectional image; e) positioning the virtual linear trajectory on the basis of the puncture plan to obtain a target linear trajectory, in which the virtual linear trajectory traverses the
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: November 23, 2021
    Inventors: Rafael Hostettler, Stephan Wetzel
  • Patent number: 11172891
    Abstract: A method and related apparatus for deriving mean arterial pressure of a subject, including receiving data relating to at least one cardiac cycle of a bio-signal from the subject; normalizing the received data relating to the at least one cardiac cycle; calculating an area enclosed by the normalized received data to obtain a normalized area; calculating a heart rate of the subject from the at least one cardiac cycle; and deriving the mean arterial pressure from the normalized area and heart rate.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: November 16, 2021
    Inventors: Aye Aung, Kittipong Kasamsook, Visit Thaveeprungsriporn
  • Patent number: 11169237
    Abstract: The present invention includes a computerized method of detecting fluid flow in a vessel, the method comprising: obtaining at least one non-contrast enhanced magnetic resonance image from a magnetic resonance imager; performing a phase sensitive reconstruction of the at least one non-contrast enhanced magnetic resonance image using a processor; combining the phase sensitive reconstruction with a velocity selective preparation of the non-contrast enhanced magnetic resonance image, to determine using the processor, in a single acquisition, at least one of: a flow direction of a fluid in the vessel, a reduction or elimination of a background signal, body fat, water/fat separation, or differentiation of a fast moving flow signal from a slow moving flow signal in an opposite direction with suppression of the background signal; and storing or displaying at least one of flow direction or flow strength of the fluid flow in the vessel obtained from the single acquisition.
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: November 9, 2021
    Inventors: Ananth J. Madhuranthakam, Xinzeng Wang