Patents Assigned to Natus Medical Incorporated
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Patent number: 11962348Abstract: An audiometer system including an audiometer device that includes an audiometer digital signal processing (DSP) unit, an audiometer baseband processing unit positioned, and an audiometer light-based transceiver. The system further includes a transducer including a transducer light-based transceiver in optical communication with the audiometer light-based transceiver, a transducer baseband processing unit, a transducer processor unit, and an audio speaker.Type: GrantFiled: November 18, 2021Date of Patent: April 16, 2024Assignee: Natus Medical IncorporatedInventor: Ningzhou Cui
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Publication number: 20240074660Abstract: An eye-imaging apparatus including red, green, and blue light sources, one or more optical lenses, a light guide cable to transmit light from the light source, a one-chip color image sensor including a shutter, the color image sensor being operable to measure red, green, and blue light in the imaging path and transmit measured colored light in respective red, green, and blue channels. The red, green, and blue light sources are sequentially flashed in synchronization with the operation of the image sensor and the color image sensor captures red, green, and blue images in synchronization with the flashed color. The color image sensor transmits the colored images on respective color channels one at a time.Type: ApplicationFiled: November 10, 2023Publication date: March 7, 2024Applicant: Natus Medical IncorporatedInventors: Yan Zhou, Willem Crone, John Allison
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Patent number: 11864833Abstract: An eye-imaging apparatus and system is described including circular fiber array ends arranged at skewed angles relative to the optical axis of the imaging path, a light intensity distribution converter along the illumination path to convert a bell-shaped distribution into a top-hat distribution, an image sensor, and high frequency response light source(s) operating in flash illumination mode in synchronization with the image sensor. As a result, unnecessary exposure of illumination light to a patient eye is minimized while the illumination light can span a wide enough coverage range with desired intensity and spectral distribution to cover the desired angular field of view and spectral range on a retina.Type: GrantFiled: October 8, 2020Date of Patent: January 9, 2024Assignee: Natus Medical IncorporatedInventors: Yan Zhou, Willem Crone, John Allison
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Publication number: 20230149660Abstract: A device for producing sensory stimuli for a child by means of a body made of an elastic material and a bellows which is embedded in the elastic material of the body, including a first converter device for generating a fluid flow for moving a lying surface for a child, a second converter device for generating sound in a fluid, which corresponds at least to either heart sounds or human speech or music, and a fluid line for simultaneously conducting the fluid flow generated by the first converter device and transmitting the sound generated by the second converter device to a bellows in a body made of an elastic material.Type: ApplicationFiled: October 12, 2020Publication date: May 18, 2023Applicant: Natus Medical IncorporatedInventors: Raphael Patrick Manfred LANG, Camilo Andres ANABALON ALAMOS, Maximilian BLENDINGER
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Publication number: 20230153053Abstract: An audiometer system including an audiometer device that includes an audiometer digital signal processing (DSP) unit, an audiometer baseband processing unit positioned, and an audiometer light-based transceiver. The system further includes a transducer including a transducer light-based transceiver in optical communication with the audiometer light-based transceiver, a transducer baseband processing unit, a transducer processor unit, and an audio speaker.Type: ApplicationFiled: November 18, 2021Publication date: May 18, 2023Applicant: Natus Medical IncorporatedInventor: Ningzhou Cui
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Publication number: 20230077076Abstract: A prism array light redistribution apparatus for an eye imaging system including light transmitting fibers, light receiving fibers, and a micro prism array optically coupled to bridge the light transmitting fibers and the light receiving fibers, configured to receive light having a bell-shaped angular distribution from the light transmitting fibers and refract light emitted by the light transmitting fibers to enter the light receiving fibersType: ApplicationFiled: November 16, 2022Publication date: March 9, 2023Applicant: Natus Medical IncorporatedInventors: Yan Zhou, Willem Crone, John Allison
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Patent number: 11426071Abstract: An eye-imaging apparatus and system is described including arrayed optical fibers having a high numerical aperture and circular fiber array ends arranged at skewed angles relative to the optical axis of the imaging path. Circular fiber array ends are arranged to emit the illumination light into an eye at a skewed angle and a light intensity distribution converter along the illumination path to convert a bell-shaped distribution into a top-hat distribution. As a result, illumination uniformity on the retina of the eye is improved.Type: GrantFiled: May 21, 2020Date of Patent: August 30, 2022Assignee: Natus Medical IncorporatedInventors: Yan Zhou, Willem Crone, John Allison
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Publication number: 20210321911Abstract: A wideband acoustic immittance measurement apparatus including an ear probe having an acoustic output port for emitting sound into an ear canal and an acoustic input port for receiving sound from the ear canal, a loudspeaker that is acoustically connected with the acoustic output port, a microphone acoustically connected with the acoustic input port for generating an audio signal as a function of sound received at the acoustic input port, and a processor for controlling the loudspeaker to emit sound spanning a frequency range and receiving the audio signal of the microphone, determining a complex acoustic admittance Y(f)=G(f)+jB(f) as a function of frequency f based on the emitted sound and the received audio signal, and identifying at least one middle ear resonance based on both the real and imaginary part of the determined acoustic admittance as a function of frequency f.Type: ApplicationFiled: June 30, 2021Publication date: October 21, 2021Applicant: Natus Medical IncorporatedInventors: Camilla Magnussen, Ask Bojesen
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Publication number: 20210307654Abstract: A system for detecting and recording head orientations of a person includes: a first sensor device capable of providing sensor data regarding a head orientation of a person in a three-dimensional space; a data acquisition system configured for storing and outputting the sensor data from the first sensor device; and a processor configured for processing the sensor data from the data acquisition system, outputting a first signal representing the head orientation, and generating an image for presentation by a graphical display; wherein the image comprises: a first reference indicator; an orientation indicator, wherein a position of the orientation indicator in the image is determined based on the first signal from the processor, and a feedback indicator when a first condition is met.Type: ApplicationFiled: June 24, 2021Publication date: October 7, 2021Applicant: Natus Medical IncorporatedInventors: Hamish MACDOUGALL, Robert NYGREN, Wendy CRUMLEY-WELSH
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Patent number: 11076780Abstract: A new wideband acoustic immittance measurement apparatus is provided for determination of wideband acoustic immittance in the ear of the human, the apparatus comprising an ear probe for insertion in an ear canal of the human and having an acoustic output port for emission of sound into the ear canal of the human, and an acoustic input port for reception of sound from the ear canal of the human, and a loudspeaker that is arranged for acoustical connection with the acoustic output port of the ear probe for emission of the sound, and a microphone that is arranged for acoustical connection with the acoustic input port of the ear probe for generation of an audio signal as a function of sound received at the acoustic input port, and a processor that is adapted for controlling the loudspeaker to emit sound spanning a frequency range, and receiving the audio signal of the microphone, determining a complex acoustic admittance Y(f)=G(f)+jB(f) as a function of frequency f based on the emitted sound and the received audiType: GrantFiled: July 26, 2018Date of Patent: August 3, 2021Assignee: Natus Medical IncorporatedInventors: Camilla MacGregor Magnussen, Ask Bojesen
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Patent number: 11071475Abstract: A system for detecting and recording head orientations of a person includes: a first sensor device capable of providing sensor data regarding a head orientation of a person in a three-dimensional space; a data acquisition system configured for storing and outputting the sensor data from the first sensor device; and a processor configured for processing the sensor data from the data acquisition system, outputting a first signal representing the head orientation, and generating an image for presentation by a graphical display; wherein the image comprises: a first reference indicator; an orientation indicator, wherein a position of the orientation indicator in the image is determined based on the first signal from the processor, and a feedback indicator when a first condition is met.Type: GrantFiled: September 22, 2019Date of Patent: July 27, 2021Assignee: Natus Medical IncorporatedInventors: Hamish Macdougall, Robert Nygren, Wendy Crumley-Welsh
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Publication number: 20210106224Abstract: An eye-imaging apparatus and system is described including circular fiber array ends arranged at skewed angles relative to the optical axis of the imaging path, a light intensity distribution converter along the illumination path to convert a bell-shaped distribution into a top-hat distribution, an image sensor, and high frequency response light source(s) operating in flash illumination mode in synchronization with the image sensor. As a result, unnecessary exposure of illumination light to a patient eye is minimized while the illumination light can span a wide enough coverage range with desired intensity and spectral distribution to cover the desired angular field of view and spectral range on a retina.Type: ApplicationFiled: October 8, 2020Publication date: April 15, 2021Applicant: Natus Medical IncorporatedInventors: Yan Zhou, Willem Crone, John Allison
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Publication number: 20210106223Abstract: A prism array light redistribution apparatus for an eye imaging system including light transmitting fibers, light receiving fibers, and a micro prism array optically coupled to bridge the light transmitting fibers and the light receiving fibers. The array may be further configured to receive light having a bell-shaped angular distribution from the light transmitting fibers and refract the received light to enter the light receiving fibers such that a square-shaped angular distribution of light emits from a light emitting end of the light receiving fibers.Type: ApplicationFiled: August 6, 2020Publication date: April 15, 2021Applicant: Natus Medical IncorporatedInventors: Yan Zhou, Willem Crone, John Allison
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Publication number: 20210106222Abstract: An eye-imaging apparatus and system is described including arrayed optical fibers having a high numerical aperture and circular fiber array ends arranged at skewed angles relative to the optical axis of the imaging path. Circular fiber array ends are arranged to emit the illumination light into an eye at a skewed angle and a light intensity distribution converter along the illumination path to convert a bell-shaped distribution into a top-hat distribution. As a result, illumination uniformity on the retina of the eye is improved.Type: ApplicationFiled: May 21, 2020Publication date: April 15, 2021Applicant: Natus Medical IncorporatedInventors: Yan Zhou, Willem Crone, John Allison
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Patent number: 10842417Abstract: An audiologic test probe with locking mechanism, and a component for the test probe is disclosed. The probe for conducting an audiologic test comprises the locking mechanism, the probe comprising a probe body with a first probe opening to a first probe channel in the probe body, the probe comprising the locking mechanism for connecting a component with a first component opening to a first component channel.Type: GrantFiled: January 5, 2015Date of Patent: November 24, 2020Assignee: Natus Medical IncorporatedInventor: Thomas Geertsen
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Publication number: 20200015715Abstract: A system for detecting and recording head orientations of a person includes: a first sensor device capable of providing sensor data regarding a head orientation of a person in a three-dimensional space; a data acquisition system configured for storing and outputting the sensor data from the first sensor device; and a processor configured for processing the sensor data from the data acquisition system, outputting a first signal representing the head orientation, and generating an image for presentation by a graphical display; wherein the image comprises: a first reference indicator; an orientation indicator, wherein a position of the orientation indicator in the image is determined based on the first signal from the processor, and a feedback indicator when a first condition is met.Type: ApplicationFiled: September 22, 2019Publication date: January 16, 2020Applicant: Natus Medical IncorporatedInventors: Hamish MACDOUGALL, Robert NYGREN, Wendy CRUMLEY-WELSH
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Patent number: 10441200Abstract: An audiologic test apparatus includes: a pump device configured to apply a first pressure to the ear canal; and a processing module for communicatively coupling to the pump device and to a signal generator, wherein the processing module is configured to obtain first acoustic parameter values indicative of an acoustic parameter at the first pressure based on a first broadband signal generated using the signal generator; wherein the pump device is configured to change the first pressure to a changed pressure, and wherein the pump device is also configured to apply a second pressure to the ear canal; and wherein the processing module is also configured to obtain second acoustic parameter values indicative of the acoustic parameter at the second pressure based on a second broadband signal generated using the signal generator, and determine a middle ear resonance frequency based on the first and second acoustic parameter values.Type: GrantFiled: March 9, 2015Date of Patent: October 15, 2019Assignee: Natus Medical IncorporatedInventor: Ask Bojesen
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Patent number: 10426379Abstract: A system for detecting and recording head orientations of a person includes: a first sensor device capable of providing sensor data regarding a head orientation of a person in a three-dimensional space; a medical data acquisition system configured for storing and outputting the sensor data from the first sensor device; and a processor configured for processing the sensor data from the medical data acquisition system, outputting a first signal representing the head orientation, and generating an image for presentation by a graphical display; wherein the image comprises: a first reference indicator; an orientation indicator, wherein a position of the orientation indicator in the image is determined based on the first signal from the processor, and a feedback indicator when a first condition is met.Type: GrantFiled: April 14, 2015Date of Patent: October 1, 2019Assignee: Natus Medical IncorporatedInventors: Hamish MacDougall, Robert Nygren, Wendy Crumley-Welsh
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Patent number: 10206568Abstract: A head mountable device for measuring eye movement includes: a camera system comprising a first camera, wherein the camera system is configured to obtain a first set of images of a first eye of a user with a first frame rate and a first resolution; a processing unit configured to process the obtained first set of images and provide a processing unit output based on the first set of images; and an interface connected to the processing unit, for providing a device output based on the processing unit output; wherein the first frame rate is sufficient to allow the processing unit to detect eye saccades of the first eye.Type: GrantFiled: May 27, 2014Date of Patent: February 19, 2019Assignee: Natus Medical IncorporatedInventor: Hamish MacDougall
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Patent number: 10136843Abstract: An audiologic test apparatus includes: a processing unit; a tone generator connected to the processing unit; and a probe interface for connecting the audiologic test apparatus to a test probe; the tone generator configured to provide a first electrical signal representative of a first signal with a first primary frequency component at a first primary frequency; wherein the processing unit is configured to: obtain a first response signal, determine if a first insertion criterion is satisfied, the first insertion criterion based on the first signal and the first response signal, and generate a signal to initiate an audiologic test if at least the first insertion criterion is satisfied; the tone generator configured to provide a second electrical signal representative of a second signal with a second primary frequency component at a second primary frequency during the audiologic test, the first primary frequency being lower than the second primary frequency.Type: GrantFiled: April 24, 2014Date of Patent: November 27, 2018Assignee: Natus Medical IncorporatedInventor: Christian Reinholdt-Nielsen