Patents by Inventor William Kaiser
William Kaiser has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11957418Abstract: A method for displaying graphical indications associated with a joint includes: receiving image data associated with a joint of a subject; generating a three-dimensional model of at least a portion of the joint of the subject using the image data; identifying at least one region of the joint that deviates from a baseline anatomy by comparing at least a portion of the three-dimensional model to a baseline model; generating at least one measurement of a characteristic of the joint at one or more predefined locations using the three-dimensional model and a coordinate system; displaying a spectrum bar graph that comprises at least one representation of the at least one measurement of the characteristic of the joint; determining a pathology associated with the joint based on the at least one measurement of the characteristic of the joint; and displaying at least one graphical indication indicating the pathology associated with the joint.Type: GrantFiled: October 10, 2022Date of Patent: April 16, 2024Assignee: Stryker CorporationInventors: Floor Lambers, William Kaiser
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Publication number: 20240099919Abstract: A method for positioning a patient on a surgical table for a surgical procedure on a hip of the patient includes removably mounting a table extender to the surgical table in an operating room by releasably attaching mounts of the table extender to side rails of the surgical table, wherein the mounts are configured to mount the table extender in only one orientation with respect to the surgical table; and positioning the patient on the surgical table such that shoulders of the patient are supported by the surgical table and hips of the patient are supported by the table extender, wherein the table extender has a rectangular shape so that the hips of the patient are positioned entirely on the table extender.Type: ApplicationFiled: June 26, 2023Publication date: March 28, 2024Applicant: Stryker Corp.Inventors: William KAISER, James FLOM, Conrad SMITH
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Patent number: 11933816Abstract: This disclosure relates generally to test equipment, apparatuses, and systems for a device under test, such as, but not limited to, a semiconductor device. More specifically, this disclosure relates to test equipment, apparatuses, and systems that are portable for use in atypical testing environments.Type: GrantFiled: March 20, 2020Date of Patent: March 19, 2024Assignee: CELADON SYSTEMS, INC.Inventors: William A. Funk, Garrett Tranquillo, Riley Kaiser
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Publication number: 20230355173Abstract: A monitoring apparatus for a human body includes a node network with at least one motion sensor and at least one acoustic sensor. A processor is coupled to the node network, and receives motion information and acoustic information from the node network. The processor determines from the motion information and the acoustic information a source of acoustic emissions within the human body by analyzing the acoustic information in the time domain to identify an event envelope representing an acoustic event, determining a feature vector related to the event envelope, calculating a distance between the feature vector and each of a set of predetermined event silhouettes, and identifying one of the predetermined event silhouettes for which the distance is a minimum.Type: ApplicationFiled: July 12, 2023Publication date: November 9, 2023Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Fabrizio BILLI, Per Henrik BORGSTROM, William KAISER, Harry A. MCKELLOP
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Publication number: 20230337966Abstract: A handheld, conforming capacitive sensing apparatus configured to measure Sub-Epidermal Moisture (SEM) as a mean to detect and monitor the formation of pressure ulcers. The device incorporates an array of electrodes which are excited to measure and scan SEM in a programmable and multiplexed manner by a battery-less RF-powered chip. The scanning operation is initiated by an interrogator which excites a coil embedded in the apparatus and provides the needed energy burst to support the scanning/reading operation. Each electrode measures the equivalent sub-epidermal capacitance corresponding and representing the moisture content.Type: ApplicationFiled: June 30, 2023Publication date: October 26, 2023Applicants: The Regents of the University of California, Bruin Biometrics, LLCInventors: Majid SARRAFZADEH, William KAISER, Alireza MEHRNIA, Barbara BATES-JENSEN, Frank WANG, Michael FLESCH, Joseph BOYSTAK, Yeung LAM
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Patent number: 11779265Abstract: A handheld, conforming capacitive sensing apparatus configured to measure Sub-Epidermal Moisture (SEM) as a mean to detect and monitor the formation of pressure ulcers. The device incorporates an array of electrodes which are excited to measure and scan SEM in a programmable and multiplexed manner by a battery-less RF-powered chip. The scanning operation is initiated by an interrogator which excites a coil embedded in the apparatus and provides the needed energy burst to support the scanning/reading operation. Each electrode measures the equivalent sub-epidermal capacitance corresponding and representing the moisture content.Type: GrantFiled: June 13, 2019Date of Patent: October 10, 2023Assignees: Bruin Biometrics, LLC, The Regents of the University of CaliforniaInventors: Majid Sarrafzadeh, William Kaiser, Alireza Mehrnia, Barbara M. Bates-Jensen, Frank Wang, Michael Flesch, Joseph Boystak, Yeung Lam
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Publication number: 20230240927Abstract: A method for hip distraction includes positioning a patient on a patient pad placed on a surgical table; and applying a distraction force to a leg of the patient that is sufficient to distract a hip joint of the patient, wherein the distraction force is opposed by a slide-resisting friction force provided by the patient pad and the patient pad is sufficiently stiff to resist bunching while providing the slide-resisting friction force.Type: ApplicationFiled: January 30, 2023Publication date: August 3, 2023Applicant: Stryker CorporationInventors: William KAISER, Christina LAGARTO, Conrad SMITH, Nicolas OLIVARES, Ian KOVACEVICH
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Patent number: 11712201Abstract: A monitoring apparatus for a human body includes a node network with at least one motion sensor and at least one acoustic sensor. A processor is coupled to the node network, and receives motion information and acoustic information from the node network. The processor determines from the motion information and the acoustic information a source of acoustic emissions within the human body by analyzing the acoustic information in the time domain to identify an event envelope representing an acoustic event, determining a feature vector related to the event envelope, calculating a distance between the feature vector and each of a set of predetermined event silhouettes, and identifying one of the predetermined event silhouettes for which the distance is a minimum.Type: GrantFiled: June 19, 2020Date of Patent: August 1, 2023Assignee: The Regents of the University of CaliforniaInventors: Fabrizio Billi, Per Henrik Borgstrom, William Kaiser, Harry A. McKellop
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Publication number: 20230210599Abstract: A method for displaying graphical indications associated with a joint includes: receiving image data associated with a joint of a subject; generating a three-dimensional model of at least a portion of the joint of the subject using the image data; identifying at least one region of the joint that deviates from a baseline anatomy by comparing at least a portion of the three-dimensional model to a baseline model; generating at least one measurement of a characteristic of the joint at one or more predefined locations using the three-dimensional model and a coordinate system; displaying a spectrum bar graph that comprises at least one representation of the at least one measurement of the characteristic of the joint; determining a pathology associated with the joint based on the at least one measurement of the characteristic of the joint; and displaying at least one graphical indication indicating the pathology associated with the joint.Type: ApplicationFiled: October 10, 2022Publication date: July 6, 2023Applicant: Stryker CorporationInventors: Floor LAMBERS, William KAISER
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Patent number: 11684532Abstract: A stabilizing pad configured for positioning on a surgical table onto which a patient is placed for a surgical procedure, the stabilizing pad comprising: a high friction top surface; and a high friction bottom surface; wherein the stabilizing pad comprises foam.Type: GrantFiled: February 6, 2018Date of Patent: June 27, 2023Assignee: Stryker Corp.Inventors: William Kaiser, Conrad Smith
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Publication number: 20230157916Abstract: A distraction frame includes a table mount for removably mounting the distraction frame to a surgical table; at least one horizontal strut mounted to the table mount; at least one vertical strut mounted to the at least one horizontal strut; and at least one distractor mounted to the at least one vertical strut, wherein the at least one distractor is configured for connection to a limb of a patient and for applying a distraction force to the limb of the patient; wherein the table mount comprises at least one wheel for selectively supporting the table mount above the floor and the at least one horizontal strut comprises at least one caster for selectively rollably supporting the at least one horizontal strut on the floor so that the distraction frame can be selectively moved to the surgical table supported by the at least one wheel and the at least one caster.Type: ApplicationFiled: January 23, 2023Publication date: May 25, 2023Applicant: Stryker Corp.Inventors: Conrad SMITH, William KAISER, Chris BOWLES, Edson LOPES, Ruben CARDENAS, Roger MALCOLM
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Publication number: 20230105268Abstract: An anatomical gripping system comprising: a binding comprising: a substantially rigid spine; a calf shell mounted to the substantially rigid spine; an anterior shell; and a clamping mechanism connecting the anterior shell to the calf shell; wherein the calf shell comprises a flexible portion configured to selectively engage the superior portion of the calcaneus bone of a patient; and further wherein when the clamping mechanism applies a force to the flexible portion of the calf shell, the flexible portion of the calf shell is drawn into engagement with the superior portion of the calcaneus bone of the patient.Type: ApplicationFiled: November 29, 2022Publication date: April 6, 2023Inventors: William Kaiser, Ian Kovacevich, Jeremy Graul, John Parker, Nouphone Bansasine, James Flom
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Patent number: 11564855Abstract: A method for hip distraction includes positioning a patient on a slide-resisting pad placed on a surgical table; tilting the surgical table so that the patient is in a first degree of inclination; applying a distraction force to a leg of the patient while the patient is in the first degree of inclination so that a hip joint of the patient is distracted, wherein the distraction force is opposed by a combination of a slide-resisting friction force provided by the slide-resisting pad and a gravitational force attributable to the first degree of inclination; reducing the tilt of the surgical table in accordance with a reduction of the distraction force over time so that the patient is in a second degree of inclination; and performing at least a portion of a surgical procedure on the distracted hip joint while the patient is in the second degree of inclination.Type: GrantFiled: September 28, 2021Date of Patent: January 31, 2023Assignee: Stryker CorporationInventors: William Kaiser, Christina Lagarto, Conrad Smith, Nicolas Olivares, Ian Kovacevich
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Patent number: 11559455Abstract: A distraction frame for use with a surgical table, wherein the surgical table includes a base for positioning on a floor, the distraction frame including a table mount for fixation to the base of the surgical table; at least one horizontal strut mounted to the table mount; at least one vertical strut mounted to the at least one horizontal strut; and at least one distraction mechanism mounted to the at least one vertical strut, wherein the at least one distraction mechanism may be connected to a limb of a patient for applying a distraction force to the limb of the patient; wherein the table mount may transfer to the floor a force moment imposed on the table mount when the at least one distraction mechanism applies a distraction force to a limb of a patient.Type: GrantFiled: February 6, 2018Date of Patent: January 24, 2023Assignee: Stryker Corp.Inventors: Conrad Smith, William Kaiser, Chris Bowles, Edson Lopes, Ruben Cardenas, Roger J. Malcolm
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Patent number: 11510805Abstract: An anatomical gripping system comprising: a binding comprising: a substantially rigid spine; a calf shell mounted to the substantially rigid spine; an anterior shell; and a clamping mechanism connecting the anterior shell to the calf shell; wherein the calf shell comprises a flexible portion configured to selectively engage the superior portion of the calcaneus bone of a patient; and further wherein when the clamping mechanism applies a force to the flexible portion of the calf shell, the flexible portion of the calf shell is drawn into engagement with the superior portion of the calcaneus bone of the patient.Type: GrantFiled: February 6, 2018Date of Patent: November 29, 2022Assignee: Stryker Corp.Inventors: William Kaiser, Ian Kovacevich, Jeremy Graul, John Parker, Nouphone Bansasine, James Flom
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Publication number: 20220346765Abstract: A method for creating space in a joint formed at the convergence of two bones, the method comprising: applying force to a body part so as to separate the two bones from one another by a distance which is greater than the distance that they are normally separated from one another when the joint is in a healthy state, whereby to distract the joint and create an intrajoint space; inserting an assembly of three balloons into the intrajoint space while the assembly of three balloons is in a contracted condition; expanding the assembly of three balloons within the intrajoint space; and reducing the force applied to the body part so that the joint is supported on the assembly of three balloons, with the two bones remaining separated from one another by a distance which is greater than the distance that they are normally separated from one another when the joint is in a healthy state.Type: ApplicationFiled: March 17, 2022Publication date: November 3, 2022Inventors: William Kaiser, Brett M. Page, Julian Nikolchev, Ed Carcamo
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Patent number: 11464569Abstract: A method for visualizing at least one region of a joint that deviates from a baseline anatomy includes receiving image data associated with a joint of a subject, generating a three-dimensional model of at least a portion of the joint using the image data, identifying at least one region of the joint that deviates from the baseline anatomy by comparing the three-dimensional model to a baseline model, generating a measurement of a characteristic of the joint at one or more predefined locations using the three-dimensional model and a coordinate system, and generating a three-dimensional rendering of the model that includes a visual indication of the at least one region of the three-dimensional model that deviates from the baseline so that the region is visually indicated according to degree of deviation, and a representation of the measurement of the characteristic of the joint that is positioned according to the predefined locations.Type: GrantFiled: January 29, 2019Date of Patent: October 11, 2022Assignee: Stryker CorporationInventors: Floor Lambers, William Kaiser
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Publication number: 20220096304Abstract: A method for hip distraction includes positioning a patient on a slide-resisting pad placed on a surgical table; tilting the surgical table so that the patient is in a first degree of inclination; applying a distraction force to a leg of the patient while the patient is in the first degree of inclination so that a hip joint of the patient is distracted, wherein the distraction force is opposed by a combination of a slide-resisting friction force provided by the slide-resisting pad and a gravitational force attributable to the first degree of inclination; reducing the tilt of the surgical table in accordance with a reduction of the distraction force over time so that the patient is in a second degree of inclination; and performing at least a portion of a surgical procedure on the distracted hip joint while the patient is in the second degree of inclination.Type: ApplicationFiled: September 28, 2021Publication date: March 31, 2022Applicant: Stryker CorporationInventors: William KAISER, Christina LAGARTO, Conrad SMITH, Nicolas OLIVARES, Ian KOVACEVICH
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Patent number: 11253192Abstract: A handheld, conforming capacitive sensing apparatus configured to measure Sub-Epidermal Moisture (SEM) as a mean to detect and monitor the formation of pressure ulcers. The device incorporates an array of electrodes which are excited to measure and scan SEM in a programmable and multiplexed manner by a battery-less RF-powered chip. The scanning operation is initiated by an interrogator which excites a coil embedded in the apparatus and provides the needed energy burst to support the scanning/reading operation. Each electrode measures the equivalent sub-epidermal capacitance corresponding and representing the moisture content.Type: GrantFiled: December 5, 2018Date of Patent: February 22, 2022Assignees: Bruain Biometrics, LLC, The Regents of the University of CaliforniaInventors: Majid Sarrafzadeh, William Kaiser, Alireza Mehrnia, Barbara M. Bates-Jensen, Frank Wang, Michael Flesch, Joseph Boystak, Yeung Lam
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Patent number: 11234601Abstract: An Integrated CardioRespiratory (ICR) System is provided for continuous Ejection Fraction (EF) measurement using a wearable device comprising a plurality of acoustic sensors. The ICR system performs signal processing computations to characterize cardiac acoustic signals that are generated by cardiac hemodynamic flow, cardiac valve, and tissue motion, and may use advanced machine learning methods to provide accurate computation of EF.Type: GrantFiled: August 10, 2018Date of Patent: February 1, 2022Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: William Kaiser, Nils Peter Borgstrom, Per Henrik Borgstrom, Aman Mahajan