Patents Assigned to Welch Allyn, Inc.
  • Patent number: 11234586
    Abstract: A portable medical illuminator is configured for attachment to a medical device wherein the illuminator includes an illuminator housing and a light source disposed in relation to the housing. A portable rechargeable power supply is connected to the light source, and an inductive charging coil is disposed within the illuminator housing to enable contactless charging of the contained portable power supply.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: February 1, 2022
    Assignee: Welch Allyn, Inc.
    Inventors: Raymond A. Lia, Robert A. Vivenzio, Miguel C. Mudge, Jon R. Salvati, Jeffrey Chiodo
  • Patent number: 11224495
    Abstract: 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: Grant
    Filed: June 2, 2020
    Date of Patent: January 18, 2022
    Assignee: Welch Allyn, Inc.
    Inventors: Christian H. Reinke, Carlos Suarez, Richard M. Farchione
  • Publication number: 20210393120
    Abstract: A system includes system housing, an eccentric radiation source, and a radiation sensor. The radiation produced by the eccentric radiation source can be collected by the radiation sensor to generate images of retinas for a patient. The system also includes a vision screening device connected with the eccentric radiation source and the radiation sensor via the system house that can control and synchronize actions for the eccentric radiation source and the radiation sensor. The vision screening device further analyzes the images generated by the radiation sensor via neural network algorithms to determine spherical error slopes, refractive errors, and recommendations for the patient.
    Type: Application
    Filed: June 10, 2021
    Publication date: December 23, 2021
    Applicant: Welch Allyn, Inc.
    Inventors: Yaolong Lou, Yuan Ing Chow, Shadakshari Devarajaiah Chikkanaravangala
  • Patent number: 11202578
    Abstract: The invention provides a body-worn patch sensor for simultaneously measuring a blood pressure (BP), pulse oximetry (SpO2), and other vital signs and hemodynamic parameters from a patient. The patch sensor features a sensing portion having a flexible housing that is worn entirely on the patient's chest and encloses a battery, wireless transmitter, and all the sensor's sensing and electronic components. It measures electrocardiogram (ECG), impedance plethysmogram (IPG), photoplethysmogram (PPG), and phonocardiogram (PCG) waveforms, and collectively processes these to determine the vital signs and hemodynamic parameters. The sensor that measures PPG waveforms also includes a heating element to increase perfusion of tissue on the chest.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: December 21, 2021
    Assignee: Welch Allyn, Inc.
    Inventors: Erik Tang, Matthew Banet, Marshal Dhillon, James McCanna, Mark Dhillon, David E. Quinn, Ervin Goldfain
  • Patent number: 11172817
    Abstract: A fundus image capture system operates to determine if the system has captured an image that identifies the fundus, a region of interest in the image, or the current field of view. According to the determination, the system can guide the user to operate the system to capture a desired fundus image.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: November 16, 2021
    Assignee: Welch Allyn, Inc.
    Inventors: Allen R. Hart, Ynjiun P. Wang
  • Patent number: 11147441
    Abstract: An instrument head is provided for attachment to a plurality of instrument handles having different power profiles. The instrument head contains an illumination assembly including at least one LED as well as a drive circuit for detecting a power profile of an attached instrument handle and converting variable voltages received from the attached instrument handle to a constant current for powering the at least one LED based on the power profile. Accordingly, the instrument head enables use with a plurality of instrument handles, including those originally configured for use only with incandescent light sources.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: October 19, 2021
    Assignee: Welch Allyn, Inc.
    Inventors: Kenneth V. Coon, Paul DeLucia, David M. Babson, Richard H. Weitzel
  • Patent number: 11147465
    Abstract: An electrode includes an electrically conductive member having a first surface oriented to face the skin of a patient when the electrode is placed on the skin of the patient. The electrode further includes a housing member. The electrode further includes an abrasive member configured to abrade the skin of the patient. The electrode further includes an integrated gripping portion configured to allow an operator to grip the gripping portion by hand and abrade the skin by moving the electrode using the gripping portion.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: October 19, 2021
    Assignee: Welch Allyn, Inc.
    Inventors: Justin Mortara, Jeffrey Plate
  • Patent number: 11138732
    Abstract: 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: Grant
    Filed: June 17, 2019
    Date of Patent: October 5, 2021
    Assignee: Welch Allyn, Inc.
    Inventors: Allen R. Hart, Hongying Krause, Su Wang, Ynjiun P. Wang
  • Patent number: 11134895
    Abstract: A method for guiding electrocardiogram (ECG) electrode placement on a person includes acquiring an image of the person, identifying an externally discernable anatomical landmark on the image, determining target locations for first through nth electrodes as a function of the location of the landmark, and highlighting the target locations on the person. A system for guiding placement of ECG electrodes comprises an imaging device, an illumination source, a processor, and machine readable instructions. The instructions, when executed by the processor, identify at least one marker in an image acquired by the imaging device, determine, as a function of the location of the at least one marker, target locations on the person at which first through nth ECG electrodes should be placed, and cause the illumination source to illuminate the first through nth target locations.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: October 5, 2021
    Assignee: Welch Allyn, Inc.
    Inventor: Sharone Zlochiver
  • Patent number: 11116397
    Abstract: Aspects of the subject disclosure may include, for example, a system adapted for determining from sensor data collected for a patient over a period of time a normative condition of a biological function of the patient, generating provisioning information according to the normative condition, detecting a first sensor coupled to the patient, and providing the provisioning information to the first sensor to enable the first sensor to detect an abnormal state of the biological function of the patient. Other embodiments are disclosed.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: September 14, 2021
    Assignee: Welch Allyn, Inc.
    Inventors: David E. Quinn, Craig M. Meyerson, John A. Lane, Kenzi L. Mudge
  • Patent number: 11096574
    Abstract: 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: Grant
    Filed: May 17, 2019
    Date of Patent: August 24, 2021
    Assignee: WELCH ALLYN, INC.
    Inventor: Ynjiun Paul Wang
  • Patent number: 11096627
    Abstract: An examination system having separate enabled interchangeable operating modes includes at least one medical device having a housing retaining an optical system. The examination system further includes an adapter that is configured for aligning a plurality of disparate smart devices with the optical system of the medical device when the adapter is attached to the medical device, thereby enabling multiple operating modes without modification to the device. In at least one version, common engagement features are provided on a plurality of medical devices to permit the adapter and an attached smart device to be used therewith interchangeably.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: August 24, 2021
    Assignee: Welch Allyn, Inc.
    Inventors: David G. Perkins, Raymond A. Lia, Robert L. Vivenzio, John R. Strom, Ervin Goldfain, Steven R. Slawson, Michael T. McMahon
  • Patent number: 11071467
    Abstract: A system for monitoring a patient includes a sensor configured to determine a first characteristic and a second characteristic of an at least partially occluded artery. The system also includes a control module in communication with the sensor and configured to determine a hemodynamic parameter of the patient based on the first and second characteristics. The control module is operable in an automatic operating mode and a manual operating mode. The automatic operating mode is characterized by the sensor determining, in response to one or more sensor control signals automatically generated by the control module, the first and second characteristics during at least one of automatic inflation and automatic deflation of a cuff associated with the control module. The manual operating mode is characterized by the sensor determining, in response to manual actuation of a trigger associated with the sensor, the first and second characteristics during at least one of inflation and deflation of the cuff.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: July 27, 2021
    Assignee: Welch Allyn, Inc.
    Inventors: Shawn C. St. Pierre, Ian K. Edwards
  • Patent number: 11071446
    Abstract: 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: Grant
    Filed: November 8, 2019
    Date of Patent: July 27, 2021
    Assignee: 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
  • Patent number: 11045088
    Abstract: An apparatus for producing a non-mydriatic fundus image is disclosed. The apparatus can include a processor and memory, as well as an illumination component and a camera with a variable focus lens. The apparatus can be configured to adjust the focus of the lens to a plurality of different diopter ranges and capture at least one image at each of the plurality of different diopter ranges. A method for capturing a non-mydriatic image of a fundus is also disclosed. The method can include setting a depth of field, dividing the depth of field into a plurality of zones, adjusting a variable focus lens of a camera to focus on each of the plurality of zones, and capturing at least one image at each of the plurality of zones.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: June 29, 2021
    Assignee: Welch Allyn, Inc.
    Inventor: Ynjiun Paul Wang
  • Patent number: 11039795
    Abstract: A method of estimating oxygen saturation includes illuminating a target site with light of three different wavelengths, for example green, red and infrared, and detecting light returned from the site at each of the wavelengths. The method distinguishes between cardiac pulsatility and nonpulsatility based on a parameter of the return light of the shortest wavelength. The method formulates an estimate of oxygen saturation as a function of a parameter of the light of the two longer wavelengths taken at both a period of pulsatility and at a period of nonpulsatility. An oximeter adapted to carry out the method is also disclosed. Aspects of the method and oximeter may be used to estimate other physiological parameters.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: June 22, 2021
    Assignee: Welch Allyn, Inc.
    Inventor: David E. Quinn
  • Patent number: 11039797
    Abstract: A device obtains a series of measurements of a physiological parameter of one or more patients. The device displays a monitoring workflow home screen when the device is operating within a monitoring workflow. The device displays a non-monitoring workflow home screen when the device is operating within a non-monitoring workflow. The device displays a continuous workflow home screen when the device is operating within a continuous workflow. The monitoring workflow home screen, the non-monitoring workflow home screen, and the continuous workflow home screen are each different.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: June 22, 2021
    Assignee: Welch Allyn, Inc.
    Inventors: Daniel Thomas Meador, Janalee Esler, Michele Marie Donovan
  • Patent number: D923800
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: June 29, 2021
    Assignee: WELCH ALLYN, INC.
    Inventors: Scott A. Martin, John A. Lane, Matthew D. Mullin, David E. Quinn, John R. Strom, Dio Climaco Cavero, Jeffrey M. Cross
  • Patent number: D926128
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: July 27, 2021
    Assignee: WELCH ALLYN, INC.
    Inventors: David G. Perkins, Sean R. Karla, Timothy R. Fitch, David M. Villarreal, Michael Suits, Timothy Braun, Robert S. Englert
  • Patent number: D935999
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: November 16, 2021
    Assignee: WELCH ALLYN, INC.
    Inventors: Timothy R. Fitch, David G. Perkins, Brian Perrault, Robert S. Englert