Patents by Inventor Thomas Ohrt
Thomas Ohrt 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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Publication number: 20220057617Abstract: System for state monitoring of a microscope the system having at least one measuring sensor in each case for capturing at least one time-variable chemical and/or physical quantity, a camera for recording an image in a field of view and a processing unit. The at least one measuring sensor has a display area and displays thereon a measured value for the captured time-variable chemical and/or physical quantity. The camera is arranged so that the display areas of at least one measuring sensor are located in the field of view and the processing unit is configured to evaluate the image and to extract the display areas contained in the image therefrom. Also, a method for state monitoring of a microscope is disclosed, wherein at least one measuring sensor with a display area is provided in order to capture in each case at least one time-variable chemical and/or physical quantity, and an image is recorded. The image is recorded so that it contains the display areas of at least one measuring sensor.Type: ApplicationFiled: June 23, 2021Publication date: February 24, 2022Inventors: Thomas OHRT, Daniel HAASE
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Publication number: 20220019828Abstract: A method for processing microscope images comprises: acquiring a microscope image captured by a microscope; identifying at least one image section with sensitive information within the microscope image by means of an image processing program which uses provided reference information regarding sensitive information; rendering unrecognizable the at least one identified image section with sensitive information in order to generate an anonymized image; and outputting the anonymized image.Type: ApplicationFiled: July 15, 2021Publication date: January 20, 2022Inventors: Manuel Amthor, Daniel Haase, Thomas Ohrt
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Publication number: 20210341723Abstract: An immersion set for retrofitting an immersion objective comprises at least one immersion fluid tank, at least one pump fluidly connected to the immersion fluid tank, and a control electronics unit configured at least to control the pump. A fastening device is configured to realize the load-bearing fastening of the at least one immersion fluid tank, the at least one pump and the control electronics unit on the immersion objective or on a mounting adapter for the immersion objective.Type: ApplicationFiled: April 26, 2021Publication date: November 4, 2021Inventors: Johannes Knoblich, Ingo Fahlbusch, Markus Sticker, Ralf Wolleschensky, Thomas Ohrt
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Publication number: 20210341722Abstract: An immersion objective comprises an objective body in which optical components are accommodated, at least one immersion fluid tank and at least one objective-body coupling connection on the objective body. The immersion fluid tank can be supported in a detachable manner via the objective-body coupling connection. At least one pump is supported via the objective body, wherein the pump is arranged in order to convey immersion fluid from the immersion fluid tank to an objective front side. A control electronics component is supported via the objective body and is configured to control the at least one pump.Type: ApplicationFiled: April 26, 2021Publication date: November 4, 2021Inventors: Johannes Knoblich, Ingo Fahlbusch, Markus Sticker, Ralf Wolleschensky, Thomas Ohrt
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Patent number: 11119301Abstract: The invention relates to an immersion matrix (5), designed for adjusting optical properties at interfaces of optical arrangements, having a porosity with pores of at least one pore size selected from a range from >20 nm to 200 ?m and/or nanopores in the material of the immersion matrix (5), wherein the nanopores have at least one average pore size selected from a range of 0.5 nm to 20 nm, and an elasticity modulus E selected from a range of 0.1-100 MPa. The invention furthermore relates to the use of the immersion matrix (5), an arrangement with the immersion matrix and an immersion device.Type: GrantFiled: September 27, 2018Date of Patent: September 14, 2021Assignee: CARL ZEISS MICROSCOPY GMBHInventors: Thomas Ohrt, Thomas Kalkbrenner
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Patent number: 11092794Abstract: An optical apparatus comprises an illumination module (100) comprising a carrier (110), which has at least one light-transmissive region (112), for example. The illumination module (100) comprises a plurality of light sources (111), which are arranged on the carrier (110).Type: GrantFiled: April 26, 2017Date of Patent: August 17, 2021Assignee: CARL ZEISS MICROSCOPY GMBHInventors: Lars Stoppe, Michael Goegler, Thomas Ohrt
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Publication number: 20210239954Abstract: An optical apparatus having an illumination module with a carrier, which has at least one light-transmissive region, for example. The illumination module has a plurality of light sources, which are arranged on the carrier.Type: ApplicationFiled: April 11, 2017Publication date: August 5, 2021Applicant: Carl Zeiss Microscopy GmbHInventors: Lars STOPPE, Michael GOEGLER, Thomas OHRT
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Patent number: 11061216Abstract: A microscope for imaging an object, comprising a lens assembly, which defines an optical axis and a focal plane perpendicular thereto, and correction optics, which are adjustable for adjustment to a depth position and which correct a spherical aberration on the lens assembly which occurs during imaging of the object at a specific depth position of the focal plane. The microscope may be used to determine a phase difference of radiation from a first lateral region and a second lateral region of the object, and to use a previously known connection between the phase difference and a modification of the spherical aberration caused thereby in order to determine an adjustment value of the correction optics, such that the spherical aberration is reduced when imaging the second region.Type: GrantFiled: March 14, 2018Date of Patent: July 13, 2021Assignee: Carl Zeiss Microscopy GmbHInventors: Michael Goegler, Thomas Ohrt, Markus Sticker
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Publication number: 20210132358Abstract: A method for preparing a microscope for imaging a sample. The method includes the following steps: providing the microscope for imaging the sample, wherein the microscope comprises an objective having a motor-adjustable objective correction ring for correcting imaging aberrations; acquiring sample information comprising at least one of the following indications: thickness of a cover glass, material of the cover glass, sample temperature, sample type, sample location on a sample carrier, embedding medium of the sample, or immersion medium; imaging the sample using the microscope for generating at least one raw image of the sample with a first setting of the objective correction ring; and inputting the at least one raw image and the sample information into a machine algorithm and determining a second setting of the objective correction ring, which reduces the imaging aberrations vis à vis the first setting, by means of the algorithm on the basis of the raw image and the sample information.Type: ApplicationFiled: November 3, 2020Publication date: May 6, 2021Applicant: Carl Zeiss Microscopy GmbHInventors: Manuel Amthor, Daniel Haase, Thomas Ohrt
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Patent number: 10989908Abstract: A method and a corresponding calibration system for calibrating a microscope system involve a recording of an overview image of a sample stage of the microscope system and an identification of a calibration sample in the recorded overview image. Moreover, The calibration sample in the recorded overview image is classified into one of a plurality of calibration sample classes using a classification system, which was trained using training data, in order to form a model so that the classification system is adapted for classifying unknown input data into prediction classes. A of a calibration workflow for calibrating the microscope system is selected based on the classified calibration sample class. The selection is performed using a workflow indicator value serving as an input value for a workflow selection system.Type: GrantFiled: May 26, 2020Date of Patent: April 27, 2021Assignee: CARL ZEISS MICROSCOPY GMBHInventors: Manuel Amthor, Daniel Haase, Thomas Ohrt
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Patent number: 10955653Abstract: Various aspects of the invention relate to techniques to facilitate autofocus techniques for a test object by means of an angle-variable illumination. Here, image datasets are captured at a multiplicity of angle-variable illumination geometries. The captured image datsets are evaluated in order to determine the Z-position.Type: GrantFiled: March 28, 2019Date of Patent: March 23, 2021Assignee: Cad Zeiss Microscopy GmbHInventors: Lars Stoppe, Thomas Ohrt, Christian Dietrich, Markus Sticker
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Patent number: 10921573Abstract: A method for determining an arrangement of a sample object in an optical device comprises illuminating the sample object from at least one first illumination direction and illuminating the sample object from at least one second illumination direction. The method also comprises carrying out a correlation between data which are indicative of at least one section of an image of the sample object under illumination from the at least one first illumination direction and data which are indicative of at least one section of an image of the sample object under illumination from the at least one second illumination direction. The method also comprises determining the arrangement of the sample object in relation to a focal plane of the optical device based on the correlation.Type: GrantFiled: October 20, 2017Date of Patent: February 16, 2021Assignee: Carl Zeiss Microscopy GmbHInventors: Lars Stoppe, Thomas Ohrt, Markus Sticker
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Publication number: 20200379236Abstract: A method and a corresponding calibration system for calibrating a microscope system involve a recording of an overview image of a sample stage of the microscope system and an identification of a calibration sample in the recorded overview image. Moreover, The calibration sample in the recorded overview image is classified into one of a plurality of calibration sample classes using a classification system, which was trained using training data, in order to form a model so that the classification system is adapted for classifying unknown input data into prediction classes. A of a calibration workflow for calibrating the microscope system is selected based on the classified calibration sample class. The selection is performed using a workflow indicator value serving as an input value for a workflow selection system.Type: ApplicationFiled: May 26, 2020Publication date: December 3, 2020Inventors: Manuel Amthor, Daniel Haase, Thomas Ohrt
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Publication number: 20200355901Abstract: A microscope objective for imaging a specimen using a microscope, the microscope objective being designed as an air objective for microscopy without an immersion medium or as an oil immersion objective for microscopy with an oil-based immersion medium or as a water immersion objective for microscopy with a water-based immersion medium. The front lens of the microscope objective is provided with a coating which repels an immersion medium and is lipophobic and hydrophobic if the objective is an air objective, only lipophobic if the objective is a water immersion objective, and only hydrophobic if the objective is an oil immersion objective.Type: ApplicationFiled: August 6, 2018Publication date: November 12, 2020Inventors: Thomas OHRT, Michael GOEGLER, Thorsten KUES
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Publication number: 20200315653Abstract: An atherectomy system includes a drive mechanism adapted to rotatably actuate an atherectomy burr and a controller that is adapted to regulate operation of the drive mechanism. The controller is adapted to calculate an estimated load torque at the atherectomy burr based upon at least one of an angular velocity of the atherectomy system and an angular acceleration of the atherectomy system. The controller is further adapted to stop or reverse the drive mechanism when the estimated load torque at the atherectomy burr exceeds a torque threshold.Type: ApplicationFiled: April 7, 2020Publication date: October 8, 2020Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: CORYDON CARLSON, GARY THOMAS OHRT, WADE ROBERT STRELOW
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Publication number: 20200284715Abstract: A method for optically examining a plurality of microscopic samples. The samples are channeled one after the other by means of a flow into at least one flow channel in which the samples advance along a flow direction. The samples are illuminated, and light emitted from the samples is detected and analyzed. A device for carrying out the method in which samples are illuminated in that at least one light sheet with a light sheet plane is directed onto the at least one flow channel, wherein the light sheet is oriented so as to intersect the at least one flow channel in an intersection region, and the normal of the light sheet plane forms an angle differing from null together with the flow direction in the intersection region. The light emitted from the sample is registered by an imaging optical detection unit, and the focal plane of said optical detection unit lies in the intersection region.Type: ApplicationFiled: September 25, 2018Publication date: September 10, 2020Applicant: Carl Zeiss Microscopy GmbHInventors: Thomas KALKBRENNER, Joerg SIEBENMORGEN, Thomas OHRT
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Publication number: 20200183141Abstract: A microscope objective for imaging a specimen using a microscope, the microscope objective having a front lens enclosed by a surround and being designed for microscopy with an immersion liquid. In the microscope objective, the front lens and/or the surround thereof is provided with a coating which can be switched between a state which repels the immersion liquid and a state which does not repel the immersion liquid.Type: ApplicationFiled: August 6, 2018Publication date: June 11, 2020Inventors: Thomas OHRT, Michael GOEGLER, Thorsten KUES
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Publication number: 20200183136Abstract: A method for the microscopy scanning of a specimen. An immersion medium is used between a slide and a microscope objective, said immersion medium wetting a surface of the slide, and the microscope objective being relatively displaced over the surface of the slide for imaging. The surface is provided with a coating which repels the immersion medium.Type: ApplicationFiled: August 8, 2018Publication date: June 11, 2020Applicant: Carl Zeiss Microscopy GmbHInventors: Thomas OHRT, Michael GOEGLER, Thorsten KUES
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Publication number: 20200110254Abstract: A microscope for imaging an object, comprising a lens assembly, which defines an optical axis and a focal plane perpendicular thereto, and correction optics, which are adjustable for adjustment to a depth position and which correct a spherical aberration on the lens assembly which occurs during imaging of the object at a specific depth position of the focal plane. The microscope may be used to determine a phase difference of radiation from a first lateral region and a second lateral region of the object, and to use a previously known connection between the phase difference and a modification of the spherical aberration caused thereby in order to determine an adjustment value of the correction optics, such that the spherical aberration is reduced when imaging the second region.Type: ApplicationFiled: March 14, 2018Publication date: April 9, 2020Inventors: Michael GOEGLER, Thomas OHRT, Markus STICKER
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Publication number: 20200088984Abstract: A method for generating and analyzing an overview contrast image of a specimen carrier and/or of specimens situated on a specimen carrier. A specimen carrier arranged at least partially in the focus of a detection optical unit is illuminated in transmitted light using a two-dimensional, array-like illumination pattern. At least two overview raw images are detected using different illuminations of the specimen carrier, and, according to information to be extracted from the overview contrast image, a combination algorithm is selected by means of which the at least two overview raw images are combined to form the overview contrast image. According to information to be extracted from the overview contrast image, an image evaluation algorithm is selected by means of which the information is extracted.Type: ApplicationFiled: May 15, 2018Publication date: March 19, 2020Inventors: Daniel HAASE, Thomas OHRT, Markus STICKER