Patents by Inventor Hans Gregersen
Hans Gregersen 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: 11844622Abstract: Devices, systems, and methods for generating and displaying large bowel information. In at least one embodiment of a method of generating a gastrointestinal model, comprising the steps of obtaining size data within a mammalian gastrointestinal tract using a device configured to fit within the mammalian gastrointestinal tract, and modifying a model colon using the obtained size data to generate a patient-specific colon model.Type: GrantFiled: June 14, 2019Date of Patent: December 19, 2023Assignee: GI Bionics, LLCInventors: Ghassan S. Kassab, Hans Gregersen
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Patent number: 11832917Abstract: An elongated device and a system that at the same time allow acquisition of temperature-related data of high spatial and temporal resolution from hollow structures together with other relevant data of physical or chemical variables. In a preferred embodiment infrared or visible light sensors are used to obtain thermal or color images from the inner surface during imposed change of the temperature in the lumen of the hollow structure. The disclosure makes it possible to evaluate thermal variations when the inner surface returns to pre-change thermal conditions. High-resolution data can be obtained with the disclosure. The disclosure further includes a system with rotators, injection pumps, a control unit and display operably coupled to one or more of the data acquisition and processing system.Type: GrantFiled: November 23, 2021Date of Patent: December 5, 2023Assignee: GI Bionics, LLCInventor: Hans Gregersen
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Publication number: 20230030361Abstract: A pellet for testing intestinal and anorectal function.Type: ApplicationFiled: October 17, 2022Publication date: February 2, 2023Inventors: Ghassan S. Kassab, Hans Gregersen, William J. Combs, Frederic P. Field
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Patent number: 11564629Abstract: A pellet for testing distal colonic and anorectal function. In one embodiment the pellet comprises a bag comprising the exterior of the pellet wherein the bag is comprised of a polymer that is reactive with a catalyst to form a more solid-like substance. In another embodiment, the pellet may comprise one of a grapheme layer, a wavelength transducer, or a magnetically attractive element. In another embodiment the pellet may comprise a telescopic extender and further comprise a telescope bad coupled to the telescopic extender.Type: GrantFiled: June 14, 2019Date of Patent: January 31, 2023Assignee: GI Bionics, LLCInventors: Ghassan S. Kassab, Hans Gregersen
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Publication number: 20220079449Abstract: An elongated device and a system that at the same time allow acquisition of temperature-related data of high spatial and temporal resolution from hollow structures together with other relevant data of physical or chemical variables. In a preferred embodiment infrared or visible light sensors are used to obtain thermal or color images from the inner surface during imposed change of the temperature in the lumen of the hollow structure. The disclosure makes it possible to evaluate thermal variations when the inner surface returns to pre-change thermal conditions. High-resolution data can be obtained with the disclosure. The disclosure further includes a system with rotators, injection pumps, a control unit and display operably coupled to one or more of the data acquisition and processing system.Type: ApplicationFiled: November 23, 2021Publication date: March 17, 2022Applicant: GI Bionics LLCInventor: Hans Gregersen
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Patent number: 11219406Abstract: Devices for testing distal colonic and anorectal function. In at least one embodiment of a device of the present disclosure, the device comprises a flexible central support, a first bag or balloon surrounding at least part of the flexible central support; and a first plurality of sensors positioned upon or embedded within a surface of the first bag or balloon, each of the first plurality of sensors positioned a known distance from each other; wherein the first plurality of sensors are configured to obtain pressure measurements on the surface of the first bag or balloon when the device is operated within a mammalian gastrointestinal tract.Type: GrantFiled: July 31, 2017Date of Patent: January 11, 2022Assignee: GI Bionics LLCInventors: Hans Gregersen, Ghassan S. Kassab
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Patent number: 11179039Abstract: An elongated device and a system that at the same time allow acquisition of temperature-related data of high spatial and temporal resolution from hollow structures together with other relevant data of physical or chemical variables. In a preferred embodiment infrared or visible light sensors are used to obtain thermal or color images from the inner surface during imposed change of the temperature in the lumen of the hollow structure. The disclosure makes it possible to evaluate thermal variations when the inner surface returns to pre-change thermal conditions. High-resolution data can be obtained with the disclosure. The disclosure further includes a system with rotators, injection pumps, a control unit and display operably coupled to one or more of the data acquisition and processing system.Type: GrantFiled: February 12, 2016Date of Patent: November 23, 2021Assignee: GI Bionics LLCInventor: Hans Gregersen
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Patent number: 11134884Abstract: In at least one embodiment of a device configured for insertion into a gastrointestinal tract of the present disclosure, the device comprises a core comprising a core material which is solid, semi-solid or compressible, one or more sensors embedded in an interior of the device and/or on a surface of the device, at least one of the one or more sensors configured to obtain a pressure measurement within the gastrointestinal tract and during defecation of the device, and a plurality of electrodes within or upon the device and configured to obtain impedance planimetric measurements within the gastrointestinal tract and during defecation of the device, the impedance planimetric measurements useful to determine cross-sectional areas.Type: GrantFiled: October 21, 2015Date of Patent: October 5, 2021Assignee: GI Bionics LLCInventors: Hans Gregersen, Ghassan S. Kassab
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Publication number: 20190380601Abstract: A device insertable into the anus of a patient for obtaining bioimpedance and/or pressure data. The data can be analyzed to treat defecation related disesases. The device may be shaped to be easily inserted and alternatively or additionally comprise a dissolvable outer shell and spongy inner portion wherein the spongy inner portion may absorb liquids and sensors disposed thereon may obtain data from the liquid. A method of use for using said devices is also described.Type: ApplicationFiled: June 14, 2019Publication date: December 19, 2019Applicant: GI Bionics LLCInventors: Ghassan S. Kassab, Hans Gregersen
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Publication number: 20190380640Abstract: Devices, systems, and methods for generating and displaying large bowel information. In at least one embodiment of a method of generating a gastrointestinal model, comprising the steps of obtaining size data within a mammalian gastrointestinal tract using a device configured to fit within the mammalian gastrointestinal tract, and modifying a model colon using the obtained size data to generate a patient-specific colon model.Type: ApplicationFiled: June 14, 2019Publication date: December 19, 2019Applicant: GI Bionics LLCInventors: Ghassan S. Kassab, Hans Gregersen
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Publication number: 20190298268Abstract: A pellet for testing distal colonic and anorectal function. In one embodiment the pellet comprises a bag comprising the exterior of the pellet wherein the bag is comprised of a polymer that is reactive with a catalyst to form a more solid-like substance. In another embodiment, the pellet may comprise one of a grapheme layer, a wavelength transducer, or a magnetically attractive element. In another embodiment the pellet may comprise a telescopic extender and further comprise a telescope bad coupled to the telescopic extender.Type: ApplicationFiled: June 14, 2019Publication date: October 3, 2019Applicant: GI Bionics LLCInventors: Ghassan S. Kassab, Hans Gregersen
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Publication number: 20190175110Abstract: Autoexpandable devices for obtaining impedance, pressure, and other measurements in the gastrointestinal tract and other organs. In an exemplary embodiment of a capsule of the present disclosure, the capsule comprises an outer shell configured to dissolve or otherwise be digested within a stomach after ingestion, an expandable material positioned within the outer shell, the expandable material configured for expansion within the stomach after the outer shell has dissolved, and at least one element or sensor selected from the group consisting of an impedance element and a pressure sensor.Type: ApplicationFiled: July 31, 2017Publication date: June 13, 2019Inventors: Hans Gregersen, Ghassan S. Kassab
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Publication number: 20170340264Abstract: Devices for testing distal colonic and anorectal function. In at least one embodiment of a device of the present disclosure, the device comprises a flexible central support, a first bag or balloon surrounding at least part of the flexible central support; and a first plurality of sensors positioned upon or embedded within a surface of the first bag or balloon, each of the first plurality of sensors positioned a known distance from each other; wherein the first plurality of sensors are configured to obtain pressure measurements on the surface of the first bag or balloon when the device is operated within a mammalian gastrointestinal tract.Type: ApplicationFiled: July 31, 2017Publication date: November 30, 2017Inventors: Hans Gregersen, Ghassan S. Kassab
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Publication number: 20170325688Abstract: An elongated device and a system that at the same time allow acquisition of temperature-related data of high spatial and temporal resolution from hollow structures together with other relevant data of physical or chemical variables. In a preferred embodiment infrared or visible light sensors are used to obtain thermal or color images from the inner surface during imposed change of the temperature in the lumen of the hollow structure. The disclosure makes it possible to evaluate thermal variations when the inner surface returns to pre-change thermal conditions. High-resolution data can be obtained with the disclosure. The disclosure further includes a system with rotators, injection pumps, a control unit and display operably coupled to one or more of the data acquisition and processing system.Type: ApplicationFiled: February 12, 2016Publication date: November 16, 2017Inventor: Hans GREGERSEN
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Publication number: 20170065203Abstract: Devices and systems to measure luminal organ parameters using impedance. In at least one embodiment of an impedance device of the present disclosure, the impedance device comprises an elongated body having a distal body end and a pair of detection electrodes positioned in between a pair of excitation electrodes located at or near the distal body end, the pair of detection electrodes configured to obtain one or more conductance values within a mammalian luminal organ within a field generated by the pair of excitation electrodes, wherein a measured parameter of the mammalian luminal organ can be calculated based in part upon the one or more conductance values obtained by the device and a known distance between the pair of detection electrodes.Type: ApplicationFiled: December 23, 2014Publication date: March 9, 2017Inventors: Ghassan S. Kassab, Hans Gregersen, Mohamed Reza Mohaved
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Publication number: 20150141863Abstract: Devices and systems to measure luminal organ parameters using impedance. In at least one embodiment of an impedance device of the present disclosure, the impedance device comprises an elongated body having a distal body end and a pair of detection electrodes positioned in between a pair of excitation electrodes located at or near the distal body end, the pair of detection electrodes configured to obtain one or more conductance values within a mammalian luminal organ within a field generated by the pair of excitation electrodes, wherein a measured parameter of the mammalian luminal organ can be calculated based in part upon the one or more conductance values obtained by the device and a known distance between the pair of detection electrodes.Type: ApplicationFiled: December 23, 2014Publication date: May 21, 2015Inventors: Ghassan S. Kassab, Hans Gregersen, Mohamed Reza Mohaved
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Publication number: 20150126837Abstract: Devices, systems, and methods to determine volume reflux. In an exemplary embodiment of a device of the present disclosure, the device comprises an elongated body having a sufficient length so that a distal end of the elongated body can extend to a gastroesophageal junction of a person while a proximal end of the device, or a connector coupled thereto, is present at or distal to a throat of the person relative to the gastroesophageal junction, and a plurality of least ten electrodes positioned at known distances from one another along the elongated body, wherein two or more of the plurality of electrodes can excite an electric field, detect within the electric field, or excite and detect within the electric field, wherein the device is configured to obtain gastric/reflux bolus data at or near the gastroesophageal junction.Type: ApplicationFiled: November 3, 2014Publication date: May 7, 2015Inventors: Ghassan S. Kassab, Hans Gregersen
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Patent number: 8918169Abstract: Devices and systems to measure luminal organ parameters using impedance. In at least one embodiment of an impedance device of the present disclosure, the impedance device comprises an elongated body having a distal body end and a pair of detection electrodes positioned in between a pair of excitation electrodes located at or near the distal body end, the pair of detection electrodes configured to obtain one or more conductance values within a mammalian luminal organ within a field generated by the pair of excitation electrodes, wherein a measured parameter of the mammalian luminal organ can be calculated based in part upon the one or more conductance values obtained by the device and a known distance between the pair of detection electrodes.Type: GrantFiled: February 14, 2012Date of Patent: December 23, 2014Assignee: 3DT Holdings, LLCInventors: Ghassan S. Kassab, Hans Gregersen, Mohamed Reza Movahed
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Patent number: 8874203Abstract: Methods for measuring cross-sectional areas in luminal organs. In at least one embodiment of a method for measuring a size parameter of a targeted treatment site of the present disclosure, the method comprises the steps of introducing an impedance device into a treatment site, the impedance device selected from the group consisting of an impedance catheter and an impedance wire; injecting a first solution of a first compound having a first conductivity into the treatment site; measuring a first conductance value at the treatment site using the impedance device, the first conductance value indicative of a bolus of the first solution, and calculating a size parameter of the treatment site based in part upon the first conductivity of the first solution, the first conductance.Type: GrantFiled: December 19, 2011Date of Patent: October 28, 2014Assignee: Electro-Cat, LLCInventors: Ghassan S. Kassab, Hans Gregersen, Mohamed Reza Movahed
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Publication number: 20120143078Abstract: Devices and systems to measure luminal organ parameters using impedance. In at least one embodiment of an impedance device of the present disclosure, the impedance device comprises an elongated body having a distal body end and a pair of detection electrodes positioned in between a pair of excitation electrodes located at or near the distal body end, the pair of detection electrodes configured to obtain one or more conductance values within a mammalian luminal organ within a field generated by the pair of excitation electrodes, wherein a measured parameter of the mammalian luminal organ can be calculated based in part upon the one or more conductance values obtained by the device and a known distance between the pair of detection electrodes.Type: ApplicationFiled: February 14, 2012Publication date: June 7, 2012Applicant: Electro-Cat, LLCInventors: Ghassan S. Kassab, Hans Gregersen, Mohamed Reza Movahed