Patents Assigned to Welch Allyn, Inc.
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Patent number: 11950848Abstract: An example system for microvascular assessment of a patient can include: a fundus imaging device including: a camera configured to capture one or more images of an eye of the patient; and at least one light source; and a microvascular assessment computing device including: a processor; and memory encoding instructions which, when executed by the processor, cause the system to: activate the light source to direct light at a fundus of the eye of the patient; capture, with the camera, one or more images of the fundus of the patient, the fundus comprising a plurality of blood vessels; and analyze with the microvascular assessment computing device, the one or more images to determine a microvasculature health index for the patient.Type: GrantFiled: July 27, 2021Date of Patent: April 9, 2024Assignee: Welch Allyn, Inc.Inventors: Stacey A. Fitzgibbons, Allen R. Hart, David L. Ribble, Craig M. Meyerson, Heather Whitt, Gene J. Wolfe
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Publication number: 20240108271Abstract: This disclosure relates to methods and systems for detecting pace pulses in electrocardiogram (ECG) data. First ECG data associated with a first sampling frequency can be obtained. Candidate pace pulses in the first ECG data can be identified. Additional data comprising waveform descriptors characterizing the candidate pace pulses can be generated. Second ECG data can be generated by down-sampling the first ECG data. The second ECG data can be associated with a second sampling frequency that is lower than the first sampling frequency. Multiple ECG waveforms can be presented based on the second ECG data. The waveform descriptors characterizing candidate pace pulses can be presented based on the additional data.Type: ApplicationFiled: September 28, 2023Publication date: April 4, 2024Applicant: Welch Allyn, Inc.Inventors: Patrick J. Noffke, Keith Becker
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Patent number: 11944380Abstract: Various implementations disclosed herein relate to systems, methods, and devices to facilitate mass vision screening of individuals. An example method includes capturing a first image of an individual and confirming an identity of the individual based on the first image. In response to confirming the identity of the individual, the method may further include capturing one or more second images of an eye of the individual; determining one or more health metrics of the individual based on the one or more second images, and transmitting, to a remote device, the identity of the individual and the one or more health metrics of the individual. The one or more health metrics may include at least one of a pupillary distance of the individual, a pupil size of the eye of the individual, a complete refraction of the eye of the individual, or an alignment indicator of the eye of the individual.Type: GrantFiled: September 22, 2020Date of Patent: April 2, 2024Assignee: Welch Allyn, Inc.Inventors: David L. Kellner, Jennifer Bergstrom, Eric J. Laurin
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Patent number: 11918539Abstract: A wearable health management system includes a flexible member configured to be worn on an affected area by a patient. At least one actuator is operably coupled to the flexible member. The at least one actuator is configured to be adjusted between a deployed state and a non-deployed state. At least one of a photoplethysmogram sensor and a bioimpedance sensor is coupled to the flexible member to obtain one or more health metrics from the patient. A controller is in communication with the at least one actuator. The controller is configured to adjust the at least one actuator to the deployed state to provide a selected pressure to the affected area.Type: GrantFiled: June 8, 2021Date of Patent: March 5, 2024Assignee: Welch Allyn, Inc.Inventors: Carlos Suarez, Edward Bremer, Aaron R. Burnham, Ashu Jain, John Lane, Christopher Larson, Rachel K. Douglas, Thaddeus J. Wawro
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Patent number: 11915826Abstract: An example device is configured to capture an image of a patient. The devices includes a camera configured to capture the image of the patient. The device further: captures contextual data associated with the image; allows a caregiver to select the image to be stored; forwards the image and the contextual data to a remote server for processing using artificial intelligence; and receives a proposed diagnosis from the remote server based upon the image and the contextual data.Type: GrantFiled: June 1, 2020Date of Patent: February 27, 2024Assignee: Welch Allyn, Inc.Inventors: John A. Lane, Chris R. Roberts, Thomas A. Gurgol, WonKyung McSweeney
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Patent number: 11896356Abstract: A blood pressure cuff includes a smaller patient bladder extending laterally across the cuff and longitudinally along a minor portion of second and fourth perimeter segments of the cuff. The cuff also includes a larger patient bladder extending laterally across the cuff and longitudinally along a major portion of the second and fourth perimeter segments of the cuff. The smaller patient bladder and the larger patient bladder are fluidically isolated from each other. A small patient port projects through the smaller patient bladder on a first side of the cuff. A large patient port projects through the larger patient bladder on a second side of the cuff which is transversely opposite the first side.Type: GrantFiled: October 23, 2020Date of Patent: February 13, 2024Assignee: Welch Allyn, Inc.Inventors: Raymond A Lia, Robert L. Vivenzio
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Patent number: 11867566Abstract: A method of determining a temperature of a patient includes measuring a first temperature of the patient with a temperature device, and measuring a second temperature of an environment with the temperature device. The method includes determining if a change in the ambient temperature exceeds a threshold. If the change does exceed the threshold, the method also includes applying a correction factor to the first temperature of the patient to account for the change in ambient temperature.Type: GrantFiled: September 25, 2020Date of Patent: January 9, 2024Assignee: WELCH ALLYN, INC.Inventors: John A. Lane, Matthew J. Kinsley, Ryan Kent
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Patent number: 11857295Abstract: An adapter includes a substantially rigid body having a distal portion, a proximal portion, a central opening formed at least in part by an inner wall of the body, and a longitudinal axis extending substantially centrally through the opening. The distal portion includes an annular ring having a top surface and a ridge disposed opposite the top surface, the ridge extending substantially perpendicular to the longitudinal axis. The distal. The adapter also includes a seal configured to form a substantially fluid-tight seal with a surface of a fitting removably attachable to the adapter.Type: GrantFiled: November 2, 2020Date of Patent: January 2, 2024Assignee: WELCH ALLYN, INC.Inventors: Sean R. Karla, Raymond A. Lia, Scott A. Martin, Robert L Vivenzio, Thaddeus J. Wawro, Chris R. Roberts, Jeffrey J. Perkins
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Patent number: 11819272Abstract: An apparatus for producing a fundus image includes: a processor and a memory; an illumination component including a light source and operatively coupled to the processor; a camera including a lens and operatively coupled to the processor, wherein the memory stores instructions that, when executed by the processor, cause the apparatus to: execute an automated script for capture of the fundus image; and allow for manual capture of the fundus image.Type: GrantFiled: August 5, 2020Date of Patent: November 21, 2023Assignee: Welch Allyn, Inc.Inventors: Richard M. Farchione, Austin Gardner, Scott P. Gucciardi, Allen R. Hart, Eric P. Jensen, Thomas A. Myers, Salvin J. Strods, Ynjiun P. Wang, Charles E. Witkowski, II
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Patent number: 11813023Abstract: An example device is configured to capture an image of an eye. The device includes a camera configured to capture the image of the eye. The device also includes: a first base configured to be moved along a first axis to position the camera to capture the image of the eye; a second base configured to be moved along a second axis to position the camera to capture the image of the eye; and a third base configured to be moved along a third axis to position the camera to capture the image of the eye.Type: GrantFiled: April 1, 2021Date of Patent: November 14, 2023Assignee: Welch Allyn, Inc.Inventors: Allen R. Hart, Christian H. Reinke, Carlos Suarez, Ynjiun P. Wang
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Patent number: 11805990Abstract: An otoscope includes an instrument head, a tip element and an optical system. The instrument head has a distal insertion portion for insertion into an ear of a human or veterinary subject. The distal insertion portion has a distal opening. The tip element is releasably attached to the distal insertion portion. The tip element has a distal opening. The optical system is contained within the instrument head. The optical system includes a plurality of optical components. The optical system further comprises a viewing component for viewing of an image of a target of interest aligned along an optical axis disposed within said distal opening. The optical system is configured to provide a field of having a diameter equaling at least 7 mm at a distance of at least 15 mm from a distal opening of said attached tip element. The optical system is further configured to simultaneously provide a distance range of optimal focus having a range of at least 8 mm.Type: GrantFiled: July 13, 2021Date of Patent: November 7, 2023Assignee: Welch Allyn, Inc.Inventors: Eric M. Andreassen, David M. Fallat, Ervin Goldfain, John R. Strom, John T. Delaney, Howard Haines, Corinn C. Fahrenkrug, Cynthia A. Kuiper
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Patent number: 11806114Abstract: A system for measuring capillary refill time includes a wearable device and a control unit. The wearable device includes a force sensor to obtain a force signal and an optical sensor to obtain an optical signal. The system ensures that an applied force is acceptable in both magnitude and duration, and that a duration over which the applied force is released or removed is acceptable. These factors can establish that a capillary refill time determined or calculated therein is accurate. The system can also determine the capillary refill time based on the force and optical signals obtained by the force and optical sensors, respectively.Type: GrantFiled: May 29, 2020Date of Patent: November 7, 2023Assignees: ProMedix, Inc., Welch Allyn, Inc., Oregon Health & Science UniversityInventors: David Sheridan, Matthew Lee Hansen, Andrew Kibler, Steven D. Baker, Richard Allen Sunderland, Richard H. Weitzel
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Patent number: 11806138Abstract: Devices, systems, and methods for patient sensing include a patient sensor having a light diffuser arranged to provide a light field in which photoelectric sensors can be positioned to provide enhanced detection of physiological parameters of the patient. The light diffuser is connected with a sensor baffle to assist in avoiding interference.Type: GrantFiled: September 24, 2020Date of Patent: November 7, 2023Assignee: Welch Allyn, Inc.Inventor: Thaddeus J. Wawro
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Patent number: 11793412Abstract: A male bayonet connector includes a first shaft having a first distal end portion having a first sealing surface configured to form a substantially fluid-tight seal with a female connector, a first proximal end portion opposite the first distal end portion, a first lumen extending substantially along a first longitudinal axis of the first shaft from the first distal end portion to the first proximal end portion, and a first channel formed on an outer surface of the first shaft between the first sealing surface and the first proximal end portion. The first channel at least partially extends circumferentially around the first longitudinal axis. The first channel is also defined by a first distal wall, a first proximal wall opposite the first distal wall, and a first central region extending from the first distal wall to the first proximal wall. The first distal wall includes a first axial length that is at least one of curved or at an acute angle relative to the first longitudinal axis.Type: GrantFiled: August 21, 2018Date of Patent: October 24, 2023Assignee: Welch Allyn, Inc.Inventors: Sean R. Karla, Thaddeus J. Wawro, Raymond A. Lia, Scott A. Martin
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Patent number: 11779209Abstract: An apparatus for producing a fundus image includes: a processor and a memory; an illumination component including a light source; a camera; and a display, the memory stores instructions that, when executed by the processor, cause the apparatus to: display a target element on the display; display a light source reflection from a cornea of an eye on the display; update a position of the light source reflection on the display as a caregiver manipulates a position of the apparatus relative to the eye; as time elapses, modify the display to allow the light source reflection to more easily be positioned within the target element; and automatically initiate fundus image capture with the camera when the light source reflection is within the target element on the display.Type: GrantFiled: July 19, 2021Date of Patent: October 10, 2023Assignee: Welch Allyn, Inc.Inventor: Ynjiun Paul Wang
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Patent number: 11741608Abstract: An example method for automating a quality assessment of digital fundus image can include: obtaining a digital fundus image file; analyzing a first quality of the digital fundus image file using a model to estimate an optimal time to capture a fundus image; and analyzing a second quality of the digital fundus image file using the model to estimate a disease state.Type: GrantFiled: August 16, 2021Date of Patent: August 29, 2023Assignee: Welch Allyn, Inc.Inventors: Allen R. Hart, Hongying Krause, Su Wang, Ynjiun P. Wang
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Patent number: 11730421Abstract: A sensor device includes a housing defining a cavity, an inlet to receive fluid pumped from an instrument device, an outlet to return the fluid to a fluid reservoir, and a fluid channel defined inside the cavity between the inlet and the outlet. A heat pump is mounted inside the cavity, and has a side surface thermally coupled to the fluid channel and an opposite side surface thermally coupled to a plate. The heat pump is configured to induce a temperature change. A sensor unit is aligned with an aperture in the plate and includes an optical component and a thermal component. The optical component configured to measure a vascular endothelial response from the induced temperature change.Type: GrantFiled: March 27, 2020Date of Patent: August 22, 2023Assignee: Welch Allyn, Inc.Inventors: Steven D. Baker, Jotpreet Chahal, Stacey Fitzgibbons, Craig .M Meyerson, David E. Quinn, Lori Ann Zapfe, Gene J. Wolfe
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Patent number: 11684449Abstract: A system includes a base, and an actuator having a first end and a second end. The system also includes a shaft configured to rotate relative to the base, and a drive link fixed to the shaft. The system further includes a support arm. A first end of the support arm being fixed to the shaft such that rotation of the shaft causes commensurate rotation of the support arm. The system also includes a timing link having a first end pivotably connected to the base and a second end opposite the first end. Additionally, the system includes a mount coupled to the second end of the timing link. The mount is configured to maintain a substantially constant orientation relative to the base as the support arm transitions between a raised position and a lowered position.Type: GrantFiled: December 30, 2021Date of Patent: June 27, 2023Assignee: Welch Allyn, Inc.Inventors: Christian H. Reinke, Carlos Suarez, Richard M. Farchione
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Patent number: D1015423Type: GrantFiled: June 30, 2022Date of Patent: February 20, 2024Assignee: WELCH ALLYN, INC.Inventors: Carlos Andrew Suarez, John Strom, Alan Knieriem, Michael McMahon, Michael Pileski, Timothy Fitch, Catherine M. King, Thomas Myers, Ching Yue Yeung, Tiffany L. Moon, Tiffany Do
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Patent number: D1015546Type: GrantFiled: May 5, 2021Date of Patent: February 20, 2024Assignees: WELCH ALLYN, INC., KAZ USA, INC.Inventors: Scott A. Martin, John A. Lane, Matthew D. Mullin, David E. Quinn, John R. Strom, Dio Climaco Cavero, Jeffrey M. Cross