Patents Assigned to B-K Medical APS
  • Patent number: 10383598
    Abstract: An elongate ultrasound probe (204) including a probe head (214) with a transducer array (216), a handle (208), a flexor (222) located between and affixed to the probe head and the handle, a flexor actuator (224) configured to flex the flexor, and a probe head motion actuator (226) configured to oscillate the flexor actuator and thereby oscillate the probe head. A method includes electronically vibrating a probe head, which includes a transducer array, of an ultrasound probe in connection with ultrasound elasticity imaging.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: August 20, 2019
    Assignee: B-K Medical Aps
    Inventor: Jesper L. Manigoff
  • Patent number: 10359515
    Abstract: An ultrasound imaging system (100) includes a transducer array (102) that emits an ultrasound beam and produces at least one transverse pulse-echo field that oscillates in a direction transverse to the emitted ultrasound beam and that receive echoes produced in response thereto and a spectral velocity estimator (110) that determines a velocity spectrum for flowing structure, which flows at an angle of 90 degrees and flows at angles less than 90 degrees with respect to the emitted ultrasound beam, based on the received echoes.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: July 23, 2019
    Assignee: B-K Medical Aps
    Inventor: Jorgen Arendt Jensen
  • Patent number: 10349922
    Abstract: An ultrasound imaging system (102) includes an ultrasound sub-system (104) with at least a transducer array (112), and an ultrasound resource pool (106). The ultrasound sub-system and the ultrasound resource pool are separate entities. The ultrasound resource pool provides temporary access to ultrasound processing resources of the ultrasound resource pool on an on-demand basis, based on an identified performance mode of the ultrasound sub-system for a scan.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: July 16, 2019
    Assignee: B-K Medical Aps
    Inventors: Jesper Lomborg Manigoff, Michael Knud Eibye
  • Patent number: 10330781
    Abstract: A transducer array (802) includes at least one 1D array of transducing elements (804). The at least one 1D array of transducing elements includes a plurality of transducing elements (904). A first of the plurality of transducing elements has a first apodization and a second of the plurality of transducing elements has a second apodization. The first apodization and the second apodization are different. The transducer array further includes at least one electrically conductive element (910) in electrical communication with each of the plurality of transducing elements. The transducer array further includes at least one electrical contact (906) in electrical communication with the at least one electrically conductive element. The at least one electrical contact concurrently addresses the plurality of transducing elements through the at least one electrically conductive element.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: June 25, 2019
    Assignee: B-K Medical Aps
    Inventors: Thomas Lehrmann Christiansen, Morten Fischer Rasmussen, Erik Vilain Thomsen, Jorgen Jensen
  • Patent number: 10304226
    Abstract: An ultrasound focal zone display includes an image area for displaying an ultrasound image, a plurality of depth markers, the plurality of depth markers representative of a predetermined tissue depth of the displayed ultrasound image, a focus indicator representative of a maximum acoustic beam intensity of the displayed ultrasound image, and a focal zone extent representative of acoustic beam intensity values within a predetermined range below the maximum acoustic beam intensity value, the focus indicator being adjacent or overlapping the focal zone extent, the position of the focus indicator being asymmetrical relative to the focal zone extent.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: May 28, 2019
    Assignee: B-K Medical Aps
    Inventors: Ajay Anand, Mary B. Kyryk, Bo Martins
  • Patent number: 10302752
    Abstract: An ultrasound imaging system includes a transducer array with a plurality of transducer elements configured to repeatedly emit in a predetermined pattern, a first beamformer configured to beamform echo signals received by the transducer array to produce a low resolution line of data for each emission, and a first communication interface configured to wirelessly transmit the low resolution lines of data for each emission in series. The ultrasound imaging system further includes a second communication interface configured to for each emission in series wirelessly receive the transmitted low resolution lines of data, a second beamformer configured to beamform the received low resolution lines of data to produce high resolution ultrasound data, and a velocity processor configured to estimate vector velocity components from the high resolution ultrasound data in a lateral direction and an axial using an autocorrelation algorithm.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: May 28, 2019
    Assignee: B-K Medical Aps
    Inventors: Tommaso Di Ianni, Martin Hemmsen, Jorgen Arendt Jensen
  • Publication number: 20190142382
    Abstract: An ultrasound imaging system includes at least one transducer element. The ultrasound imaging system further includes a console with a transducer controller that controls the at least one element, a transducer processor that processes information detected by the at least one element, and a display controller that controls display of the processed information. The ultrasound imaging system further includes a display monitor with a first image display region. The ultrasound imaging system further includes a touch screen keyboard with a second image display region, wherein the display monitor and the touch screen keyboard are separate devices.
    Type: Application
    Filed: January 16, 2019
    Publication date: May 16, 2019
    Applicant: B-K MEDICAL APS
    Inventor: Peter Ulrik Kann
  • Publication number: 20190090850
    Abstract: An ultrasound imaging system includes a probe and a console. The probe includes an elongate shaft with a long axis, a transducer array disposed the shaft along the long axis and configured to generate signals indicative of received echoes, and a motor with a position sensor configured to rotate the shaft within a predetermined arc. The console includes a beamformer configured to process the signals from the transducer array and generate at least a volume of data for each sweep of the transducer array along the arc. The console further includes a display configured to display the volume of data.
    Type: Application
    Filed: September 27, 2017
    Publication date: March 28, 2019
    Applicant: B-K Medical Aps
    Inventors: Fredrik GRAN, Svetoslav Ivanov Nikolov, Jens Munk Hansen, Robert Harold Owen
  • Publication number: 20190076122
    Abstract: An imaging system includes transmit circuitry, a transducer array with an array of capacitive micromachined ultrasonic transducer elements, a beamformer, a decoder and a display. The transmit circuitry includes a signal generator and at least one excitation coding scheme. The transmit circuitry combines an excitation signal generated by the signal generator with an excitation coding scheme of the at least one excitation coding scheme, generating a coded excitation signal. The array of transducer elements is excited with the coded excitation signal to emit ultrasound signals. The coding scheme does not introduce heating on the capacitive micromachined ultrasonic transducer elements. The array of ultrasonic transducer elements receives echo signals produced in response to the ultrasound signals interacting with structure and generates electrical signals indicative thereof.
    Type: Application
    Filed: September 12, 2017
    Publication date: March 14, 2019
    Applicant: B-K Medical Aps
    Inventors: Fredrik GRAN, Ramin Moshavegh
  • Patent number: 10226230
    Abstract: An ultrasound imaging system includes at least one transducer element. The ultrasound imaging system further includes a console with a transducer controller that controls the at least one element, a transducer processor that processes information detected by the at least one element, and a display controller that controls display of the processed information. The ultrasound imaging system further includes a display monitor with a first image display region. The ultrasound imaging system further includes a touch screen keyboard with a second image display region, wherein the display monitor and the touch screen keyboard are separate devices.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: March 12, 2019
    Assignee: B-K Medical Aps
    Inventor: Peter Ulrik Kann
  • Publication number: 20190072671
    Abstract: A method includes receiving first electrical signals from a first single-element transducer (1121) and second electrical signals from a second single-element transducer (1122). The transducers are disposed on a shaft (110), which has a longitudinal axis (200), of an ultrasound imaging probe (102) with transducing sides disposed transverse to and facing away from the longitudinal axis. The transducers are angularly offset from each other on the shaft by a non-zero angle. The transducers are operated at first and second different cutoff frequencies. The shaft concurrently translates and rotates while the transducers receive the first and second ultrasound signals. The method further includes delay and sum beamforming, with first and second beamformers (1201, 1202), the first and second electrical signals, respectively via different processing chains (7121, 7122), employing an adaptive synthetic aperture technique, producing first and second images.
    Type: Application
    Filed: March 1, 2016
    Publication date: March 7, 2019
    Applicant: B-K Medical Aps
    Inventors: Svetoslav Ivanov Nikolov, Jens Munk Hansen
  • Publication number: 20190049567
    Abstract: An ultrasound imaging system includes receive circuitry (110) configured to receive electrical signals from ultrasound transducer elements wherein the electrical signals are indicative of sensed ultrasound echo signals. The system further includes an image process (114) configured to process the electrical signals and generate a 2-D image. The system further includes a vessel wall identifier (116) configured to identify at least a proximal wall and a distal wall of a vessel in the B-mode image from the B-image employing a signal mirroring technique. The system further includes a rendering engine (124) configured to display the 2-D image on a display (126) with graphical indicia corresponding to the identified proximal wall and distal wall superimposed over the vessel in the 2-D image.
    Type: Application
    Filed: February 29, 2016
    Publication date: February 14, 2019
    Applicant: B-K Medical Aps
    Inventor: Bo Martins
  • Patent number: 10201330
    Abstract: A method includes receiving, at a console (132) of an ultrasound imaging system (102), a first signal indicative of actuation of a touch control (128) of a touch screen user interface (122) of the ultrasound imaging system, wherein the touch control is one of a plurality of different touch controls of the ultrasound imaging system. The method further includes identifying, with a processor of the ultrasound imaging system, the touch control from the plurality of different touch controls based on the first signal. The method further includes identifying, with the processor of the ultrasound imaging system, a graphic representation of the touch control based on the identification of the touch control. The method further includes visually displaying, with the processor of the ultrasound imaging system, the graphic representation on a display monitor concurrently with displaying an image.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: February 12, 2019
    Assignee: B-K Medical Aps
    Inventors: Torben Svanberg Nielsen, Kaj Duncan, Jesper Helleso Hansen, John Antol, Michael Leismann
  • Publication number: 20190018125
    Abstract: An ultrasound imaging system (100) includes a transducer array (102) with a plurality of transducer elements (106) configured to transmit an ultrasound signal, receive echo signals produced in response to the ultrasound signal interacting with structure, and generate electrical signals indicative of the echo signals. The system further includes a beamformer (112) configured to process the electrical signals and generate radio frequency data, an in-phase quadrature processor (114) configured to process the radio frequency data and generate in-phase quadrature data, and a frame processor (116) configured to envelope detect and log compress the in-phase quadrature data, producing compressed envelope data. The system further includes a time gain compensation controller (120) configured to continuously process the in-phase quadrature data and the compressed envelope data and continuously and automatically apply time gain compensation data to an envelope data image.
    Type: Application
    Filed: January 11, 2016
    Publication date: January 17, 2019
    Applicant: B-K Medical Aps
    Inventor: Bo Martins
  • Publication number: 20180356519
    Abstract: A method for determining a flow acceleration directly from beamformed ultrasound data includes extracting a sub-set of data from the beamformed ultrasound data, wherein the sub-set of data corresponds to predetermined times and predetermined positions of interest, determining the flow acceleration directly from the extracted sub-set of data, and generating a signal indicative of the determined flow acceleration. An apparatus includes a beamformer (112) configured to processes electrical signals indicative of received echoes produced in response to an interaction of a transmitted ultrasound signal with tissue and generate RF data, and an acceleration flow processor (114) configured to directly process the RF data and generate a flow acceleration therefrom.
    Type: Application
    Filed: July 23, 2015
    Publication date: December 13, 2018
    Applicant: B-K Medical Aps
    Inventors: Jacob Bjerring OLESEN, Carlos Armando VILLAGOMEZ-HOYOS, Jorgen Arendt JENSEN
  • Publication number: 20180344291
    Abstract: An ultrasound imaging system includes a biplane ultrasound probe and a console. The biplane ultrasound probe includes a sagittal array and a transverse array. The console includes a transmit circuit, a receive circuit, and an image generator. The transmit circuit is configured to control the sagittal and transverse arrays to emit ultrasound signals while the probe is manually rotated and translated. The receive circuit is configured to receive electrical signal produced by the sagittal and transverse arrays in response to the sagittal and transverse arrays receiving echoes produced in response to the corresponding ultrasound signals interreacting with structure. The image generator is configured to construct a three-dimensional image with the electrical signals from the sagittal or transverse array using the electrical signals from both the sagittal and transverse arrays to track the motion of the probe and align scanplanes.
    Type: Application
    Filed: May 31, 2017
    Publication date: December 6, 2018
    Applicant: B-K Medical Aps
    Inventors: Bo MARTINS, Fredrik GRAN, Svetoslav NIKOLOV
  • Publication number: 20180303457
    Abstract: An imaging transducer (302) includes a plurality of transducer elements (404, 604, 704, 804) arranged with respect to each other in an array along an long axis of the transducer, wherein an effective width of a transducer element of the transducer is equal to or greater than a center-to-center distance between adjacent transducer elements. A method includes acquiring data with an imaging transducer, wherein the transducer includes a plurality of transducer elements arranged with respect to each other in an array along an long axis of the transducer, wherein an effective width of a transducer element of the transducer is equal to or greater than a center-to-center distance between adjacent transducer elements.
    Type: Application
    Filed: April 24, 2017
    Publication date: October 25, 2018
    Applicant: B-K Medical Aps
    Inventors: Henrik Jensen, Svetoslav Ivanov Nikolov
  • Patent number: 10098614
    Abstract: An ultrasound imaging system includes an ultrasound transducer that receives an echo signal generated in response to an ultrasound signal transmitted by the system interacting with a moving material. Receive circuitry processes the echo signal and produces an electrical signal indicative thereof. Front end electronics amplify and digitize the electrical signal producing M-bit RF data. A beamformer that processes the M-bit RF data and generates N-bit high dynamic range beamformed data. N is greater than M. The system further includes pre-processing circuitry that converts the N-bit data RF to 2×K-bit I/Q data. K is less than M. A velocity processor determines a phase estimate of the moving material from the I/Q data. A rendering engine visually presents the phase estimate.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: October 16, 2018
    Assignee: B-K Medical Aps
    Inventors: Per Haugaard, Gert Seerup
  • Publication number: 20180289357
    Abstract: An ultrasound probe includes a housing. The housing includes a first end, which internally houses: a transducer array and a tracking sensor, and a second end. The housing further includes a second portion extending between the first and second ends. The second portion houses: a first electrically conductive path extending from the transducer array through the second portion to the second end, which is opposite the first end, and a second electrically conductive path extending from the tracking sensor through the second portion to the second end. The probe further includes a single electro-mechanical connector with a physical interface configured to transfer signals carried by the first and second electrically conductive members off the probe. The probe further includes a single cable that routes the first and second electrically conductive members from the second end to the electro-mechanical connector.
    Type: Application
    Filed: April 5, 2017
    Publication date: October 11, 2018
    Applicant: B-K Medical Aps
    Inventors: Henrik JENSEN, Robert Harold OWEN, Soren Juel ANDERSEN, Christopher BEERS, Niels Christian SASADY, Per Ehrenreich NYGAARD
  • Publication number: 20180271493
    Abstract: An ultrasound imaging system includes a transducer array. The array is configured for row-column addressing. The array of transducer elements includes a plurality of first 1-D arrays and a plurality of second 1-D arrays, which is orthogonal to the plurality of first 1-D arrays. The array of transducer elements further includes a plurality of front-end circuits. A single front-end circuit of the front-end circuits is in electrical communication with a single pair of 1-D arrays, which consists of a first 1-D array of the plurality of first 1-D arrays and a second 1-D array of the plurality of second 1-D arrays. The first and second 1-D arrays are either separate sets of 1-D arrays or part of a same 2-D array. In one instance, for N rows and N columns, a number of electrical connections between the elements and front-end electronics are less than 2N.
    Type: Application
    Filed: March 24, 2017
    Publication date: September 27, 2018
    Applicant: B-K Medical Aps
    Inventors: Jorgen Arendt JENSEN, Hamed Bouzari, Mathias Engholm, Erik Vilain Thomsen, Matthias Bo Stuart