Patents by Inventor Soren Aasmul
Soren Aasmul 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).
-
Publication number: 20240358250Abstract: The technology relates to video laryngoscopes with improved illumination. An example laryngoscope includes a display; a handle; an arm extending distally from the handle; a camera positioned at a distal end of the arm; a light source positioned at the distal end of the arm; and a unibody plug positioned at the distal end of the arm, the unibody plug. The unibody plug includes a light guide formed of a solid transparent material having an entry surface at a proximal end of the light guide and an exit surface at a distal end of the light guide, wherein the entry surface is adjacent the light source; and a frame that defines an air gap around at least 70% of a length of the light guide.Type: ApplicationFiled: April 1, 2024Publication date: October 31, 2024Applicant: Covidien LPInventors: Juergen Van Vlem, Yik Loong Tham, Soren Aasmul
-
Publication number: 20240252068Abstract: A continuous glucose monitoring system may include a hand-held monitor, a transmitter, an insulin pump, and an orthogonally redundant glucose sensor, which may comprise an optical glucose sensor and a non-optical glucose sensor. The former may be a fiber optical sensor, including a competitive glucose binding affinity assay with a glucose analog and a fluorophore-labeled glucose receptor, which is interrogated by an optical interrogating system, e.g., a stacked planar integrated optical system. The non-optical sensor may be an electrochemical sensor having a plurality of electrodes distributed along the length thereof. Proximal portions of the optical and electrochemical sensors may be housed inside the transmitter and operationally coupled with instrumentation for, e.g., receiving signals from the sensors, converting to respective glucose values, and communicating the glucose values.Type: ApplicationFiled: March 19, 2024Publication date: August 1, 2024Inventors: Rajiv V. Shah, Jesper Svenning Kristensen, Katherine T. Wolfe, Soren Aasmul, Anubhuti Bansal
-
Patent number: 11931145Abstract: A continuous glucose monitoring system may include a hand-held monitor, a transmitter, an insulin pump, and an orthogonally redundant glucose sensor, which may comprise an optical glucose sensor and a non-optical glucose sensor. The former may be a fiber optical sensor, including a competitive glucose binding affinity assay with a glucose analog and a fluorophore-labeled glucose receptor, which is interrogated by an optical interrogating system, e.g., a stacked planar integrated optical system. The non-optical sensor may be an electrochemical sensor having a plurality of electrodes distributed along the length thereof. Proximal portions of the optical and electrochemical sensors may be housed inside the transmitter and operationally coupled with instrumentation for, e.g., receiving signals from the sensors, converting to respective glucose values, and communicating the glucose values.Type: GrantFiled: December 6, 2021Date of Patent: March 19, 2024Assignee: MEDTRONIC MINIMED, INC.Inventors: Rajiv Shah, Jesper Svenning Kristensen, Katherine T. Wolfe, Soren Aasmul, Anubhuti Bansal
-
Patent number: 11864893Abstract: An example device includes processing circuitry configured to receive, from an oxygen sensor, an ambient air signal indicative of an oxygen partial pressure of ambient air. The processing circuitry is further configured to receive, from an atmospheric pressure sensor, an atmospheric pressure sensor signal indicative of atmospheric pressure. The processing circuitry is configured to determine, based on the atmospheric pressure sensor signal, an oxygen partial pressure of the ambient air, determine, based at least in part on the oxygen partial pressure of the ambient air and the ambient air signal, the one or more calibration parameters, and calibrate, based on the one or more calibration parameters, the oxygen sensor. The calibrated oxygen sensor may be used to, for example, determine the oxygen content of urine of a patient to monitor renal function of the patient.Type: GrantFiled: June 9, 2021Date of Patent: January 9, 2024Assignee: COVIDIEN LPInventors: Jacob D. Dove, Søren Aasmul, William S. Smith, David J. Miller, Jesper Svenning Kristensen
-
Publication number: 20230329601Abstract: In some examples, a system comprises a catheter including an elongated body defining a lumen, the elongated body comprising a proximal portion and a distal portion; an anchoring member positioned on the proximal portion of the elongated body, the anchoring member configured to anchor the proximal portion of the elongated body to a patient; and a sensor configured to sense a biomarker in a fluid within the lumen of the elongated body, wherein the biomarker is indicative of an acute kidney infection (AKI) of the patient.Type: ApplicationFiled: September 1, 2021Publication date: October 19, 2023Inventors: David J. Miller, Søren Aasmul, Jesper Svenning Kristensen
-
Publication number: 20230263442Abstract: Example systems, catheters, and methods are disclosed for actively sampling a fluid. An example system includes a pump configured to pump fluid to direct the fluid a dissolved oxygen sensor and the dissolved oxygen sensor configured to output a signal indicative of an amount of dissolved oxygen in the fluid.Type: ApplicationFiled: September 2, 2021Publication date: August 24, 2023Inventors: Jacob D. Dove, Søren Aasmul, William S. Smith, David J. Miller, Jesper Svenning Kristensen
-
Publication number: 20230074761Abstract: Example assemblies and techniques for introducing a conductive element into a catheter are disclosed. An example assembly includes a sensing device configured to sense a parameter of interest in a fluid, the sensing device including sensor circuitry at a distal portion, a sensing element at a proximal portion, and a conductive element communicatively coupled to the sensor circuitry and the sensing element. The assembly includes an introducer defining an introducer lumen configured to receive at least a portion of the conductive element of the sensing device, the introducer being configured to be inserted into a catheter lumen of a catheter while the at least the portion of the conductive element is in the introducer lumen. The assembly further includes a rigid member mechanically coupled to the sensing device and configured to open a longitudinal surface of the introducer as the introducer is retracted relative to the sensing device.Type: ApplicationFiled: August 25, 2022Publication date: March 9, 2023Inventors: Estelle J.G. Fraysse, Søren Aasmul, Jacob D. Dove
-
Publication number: 20220087578Abstract: A continuous glucose monitoring system may include a hand-held monitor, a transmitter, an insulin pump, and an orthogonally redundant glucose sensor, which may comprise an optical glucose sensor and a non-optical glucose sensor. The former may be a fiber optical sensor, including a competitive glucose binding affinity assay with a glucose analog and a fluorophore-labeled glucose receptor, which is interrogated by an optical interrogating system, e.g., a stacked planar integrated optical system. The non-optical sensor may be an electrochemical sensor having a plurality of electrodes distributed along the length thereof. Proximal portions of the optical and electrochemical sensors may be housed inside the transmitter and operationally coupled with instrumentation for, e.g., receiving signals from the sensors, converting to respective glucose values, and communicating the glucose values.Type: ApplicationFiled: December 6, 2021Publication date: March 24, 2022Inventors: Rajiv Shah, Jesper Svenning Kristensen, Katherine T. Wolfe, Soren Aasmul, Anubhuti Bansal
-
Publication number: 20220071517Abstract: An example device includes processing circuitry configured to receive, from an oxygen sensor, an ambient air signal indicative of an oxygen partial pressure of ambient air. The processing circuitry is further configured to receive, from an atmospheric pressure sensor, an atmospheric pressure sensor signal indicative of atmospheric pressure. The processing circuitry is configured to determine, based on the atmospheric pressure sensor signal, an oxygen partial pressure of the ambient air, determine, based at least in part on the oxygen partial pressure of the ambient air and the ambient air signal, the one or more calibration parameters, and calibrate, based on the one or more calibration parameters, the oxygen sensor. The calibrated oxygen sensor may be used to, for example, determine the oxygen content of urine of a patient to monitor renal function of the patient.Type: ApplicationFiled: June 9, 2021Publication date: March 10, 2022Inventors: Jacob D. Dove, Søren Aasmul, William S. Smith, David J. Miller, Jesper Svenning Kristensen
-
Publication number: 20220071536Abstract: Example devices and techniques for sensing a parameter of a substance of interest are disclosed. An example catheter includes an elongated body defining a lumen. The lumen is configured to receive or house an oxygen sensing element. When the oxygen sensing element is located in a proximal portion of the lumen, the oxygen sensing element is configured to sense an amount of dissolved oxygen in a fluid external to the lumen. The catheter is configured to block ingress of the fluid into the lumen while the oxygen sensing element senses the amount of dissolved oxygen.Type: ApplicationFiled: August 24, 2021Publication date: March 10, 2022Inventors: Jacob D. Dove, Søren Aasmul, William S. Smith, David J. Miller, Jesper Svenning Kristensen
-
Publication number: 20220072270Abstract: An example device includes memory configured to store an observer and processing circuitry communicatively coupled to the memory. The processing circuitry is configured to receive, from an oxygen sensor, an oxygen sensor signal indicative of an amount of dissolved oxygen in a fluid, wherein the oxygen sensor is located in a distal portion of a catheter or distal to a distal end of the catheter, and wherein the fluid flows to the oxygen sensor from a location within a patient. The processing circuitry is configured to determine, based on the oxygen sensor signal, a measurement of the amount of dissolved oxygen in the fluid. The processing circuitry is configured to apply the observer to the measurement of the amount of dissolved oxygen in the fluid. The processing circuitry is configured to determine, based on the observer, an estimate of an amount of dissolved oxygen in the fluid at the location.Type: ApplicationFiled: September 3, 2021Publication date: March 10, 2022Inventors: Jacob D. Dove, Søren Aasmul, William S. Smith, David J. Miller, Jesper Svenning Kristensen
-
Patent number: 11229384Abstract: A continuous glucose monitoring system may include a hand-held monitor, a transmitter, an insulin pump, and an orthogonally redundant glucose sensor, which may comprise an optical glucose sensor and a non-optical glucose sensor. The former may be a fiber optical sensor, including a competitive glucose binding affinity assay with a glucose analog and a fluorophore-labeled glucose receptor, which is interrogated by an optical interrogating system, e.g., a stacked planar integrated optical system. The non-optical sensor may be an electrochemical sensor having a plurality of electrodes distributed along the length thereof. Proximal portions of the optical and electrochemical sensors may be housed inside the transmitter and operationally coupled with instrumentation for, e.g., receiving signals from the sensors, converting to respective glucose values, and communicating the glucose values.Type: GrantFiled: November 29, 2018Date of Patent: January 25, 2022Assignee: MEDTRONIC MINIMED, INC.Inventors: Rajiv Shah, Jesper Svenning Kristensen, Katherine T. Wolfe, Soren Aasmul, Anubhuti Bansal
-
Patent number: 10864286Abstract: The invention is directed to a competitive glucose binding affinity assay comprising a glucose receptor (typically mannan binding lectin) labeled with an assay fluorophore and a modified glucose analog (typically dextran) labeled with a reference fluorophore. In certain embodiments, the glucose analog is dextran and is coupled to both a reference fluorophore and a quencher dye (e.g. hexamethoxy crystalviolet-1). Optionally the reference fluorophore is blue shifted relative to the assay fluorophore.Type: GrantFiled: December 19, 2019Date of Patent: December 15, 2020Assignee: Medtronic MiniMed, Inc.Inventors: Tri T. Dang, Soren Aasmul, Jesper Svenning Kristensen, Joseph Hanna, Robert McKinlay
-
Patent number: 10792378Abstract: The invention is directed to a competitive glucose binding affinity assay comprising a glucose receptor (typically mannan binding lectin) labeled with an assay fluorophore and a modified glucose analog (typically dextran) labeled with a reference fluorophore. In certain embodiments, the glucose analog is dextran and is coupled to both a reference fluorophore and a quencher dye (e.g. hexamethoxy crystalviolet-1). Optionally the reference fluorophore is blue shifted relative to the assay fluorophore.Type: GrantFiled: April 28, 2017Date of Patent: October 6, 2020Assignee: Medtronics MiniMed, Inc.Inventors: Soren Aasmul, Jesper Svenning Kristensen
-
Publication number: 20200171173Abstract: The invention is directed to a competitive glucose binding affinity assay comprising a glucose receptor (typically mannan binding lectin) labeled with an assay fluorophore and a modified glucose analog (typically dextran) labeled with a reference fluorophore. In certain embodiments, the glucose analog is dextran and is coupled to both a reference fluorophore and a quencher dye (e.g. hexamethoxy crystalviolet-1). Optionally the reference fluorophore is blue shifted relative to the assay fluorophore.Type: ApplicationFiled: December 19, 2019Publication date: June 4, 2020Applicant: Medtronic MIniMed, Inc.Inventors: Tri T. Dang, Soren Aasmul, Jesper Svenning Kristensen, Joseph Hanna, Robert McKinlay
-
Patent number: 10543288Abstract: The invention is directed to a competitive glucose binding affinity assay comprising a glucose receptor (typically mannan binding lectin) labeled with an assay fluorophore and a modified glucose analog (typically dextran) labeled with a reference fluorophore. In certain embodiments, the glucose analog is dextran and is coupled to both a reference fluorophore and a quencher dye (e.g. hexamethoxy crystalviolet-1). Optionally the reference fluorophore is blue shifted relative to the assay fluorophore.Type: GrantFiled: April 28, 2017Date of Patent: January 28, 2020Assignee: MEDTRONIC MINIMED, INC.Inventors: Tri T. Dang, Soren Aasmul, Jesper Svenning Kristensen, Joseph Hanna, Robert McKinlay
-
Publication number: 20190246926Abstract: The invention relates to a device for detecting atrial fibrillation of a subject, comprising a member comprising —mechanical connection means to wearably connect the member to a subject; —the member further comprising an optical sensor arranged to measure a signal representing a blood perfusion parameter of the subject; the member comprising the optical sensor and mechanical connection means at such relative positions that when the mechanical connection means connect the member to the subject, the optica! sensor operatively faces the subject. The device is arranged to detect atrial fibrillation of the subject based on the signal measured by the optical sensor.Type: ApplicationFiled: June 22, 2017Publication date: August 15, 2019Inventors: Nathalie Virag, Soren Aasmul, Catherine Chassard, Richard Cornelussen, Gerard Hill, Robert Leinders, Mirko De Melis, Raphael Schneider, Vasiliki Spyropoulou
-
Publication number: 20190117137Abstract: A continuous glucose monitoring system may include a hand-held monitor, a transmitter, an insulin pump, and an orthogonally redundant glucose sensor, which may comprise an optical glucose sensor and a non-optical glucose sensor. The former may be a fiber optical sensor, including a competitive glucose binding affinity assay with a glucose analog and a fluorophore-labeled glucose receptor, which is interrogated by an optical interrogating system, e.g., a stacked planar integrated optical system. The non-optical sensor may be an electrochemical sensor having a plurality of electrodes distributed along the length thereof. Proximal portions of the optical and electrochemical sensors may be housed inside the transmitter and operationally coupled with instrumentation for, e.g., receiving signals from the sensors, converting to respective glucose values, and communicating the glucose values.Type: ApplicationFiled: November 29, 2018Publication date: April 25, 2019Inventors: RAJIV SHAH, JESPER SVENNING KRISTENSEN, KATHERINE T. WOLFE, SOREN AASMUL, ANUBHUTI BANSAL
-
Patent number: 10194845Abstract: A continuous glucose monitoring system may include a hand-held monitor, a transmitter, an insulin pump, and an orthogonally redundant glucose sensor, which may comprise an optical glucose sensor and a non-optical glucose sensor. The former may be a fiber optical sensor, including a competitive glucose binding affinity assay with a glucose analog and a fluorophore-labeled glucose receptor, which is interrogated by an optical interrogating system, e.g., a stacked planar integrated optical system. The non-optical sensor may be an electrochemical sensor having a plurality of electrodes distributed along the length thereof. Proximal portions of the optical and electrochemical sensors may be housed inside the transmitter and operationally coupled with instrumentation for, e.g., receiving signals from the sensors, converting to respective glucose values, and communicating the glucose values.Type: GrantFiled: March 30, 2017Date of Patent: February 5, 2019Assignee: MEDTRONIC MINIMED, INC.Inventors: Rajiv Shah, Jesper Svenning Kristensen, Katherine T. Wolfe, Soren Aasmul, Anubhuti Bansal
-
Publication number: 20180311383Abstract: The invention is directed to a competitive glucose binding affinity assay comprising a glucose receptor (typically mannan binding lectin) labeled with an assay fluorophore and a modified glucose analog (typically dextran) labeled with a reference fluorophore. In certain embodiments, the glucose analog is dextran and is coupled to both a reference fluorophore and a quencher dye (e.g. hexamethoxy crystalviolet-1). Optionally the reference fluorophore is blue shifted relative to the assay fluorophore.Type: ApplicationFiled: April 28, 2017Publication date: November 1, 2018Applicant: Medtronic MiniMed, Inc.Inventors: Soren Aasmul, Jesper Svenning Kristensen