Patents by Inventor Michael Steinlechner
Michael Steinlechner 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: 20240130893Abstract: An ophthalmological laser device for treatment of eye tissue is disclosed, comprising a base station having a treatment laser source configured to generate a treatment laser beam, an application head, an arm arranged between the base station and the application head, wherein the arm is configured to provide a beam path for the treatment laser beam, the arm having at least one joint, and a scanner arranged in the joint and configured to dynamically deflect the treatment laser beam about two axes, wherein the treatment laser beam upstream of the scanner is collinear with an axis of rotation of the joint and an orientation of the scanner is dependent on a movement of the joint.Type: ApplicationFiled: August 27, 2023Publication date: April 25, 2024Inventors: Christian Rathjen, Michael Steinlechner
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Publication number: 20240108509Abstract: The present disclosure relates to an ophthalmological patient interface for application to an eye of a person, the ophthalmological patient interface comprising a coupling portion configured to be arranged on an application head of an ophthalmological laser treatment system, wherein the ophthalmological patient interface further comprises an eye fixation portion configured to be arranged on the eye, wherein the eye fixation portion comprises a cornea contacting element, configured to contact at least partially the cornea of the eye, and a sclera contacting element, configured to contact at least partially the sclera of the eye, wherein the cornea contacting element and the sclera contacting element define a rotationally asymmetric contact surface configured to contact the eye.Type: ApplicationFiled: October 2, 2023Publication date: April 4, 2024Inventors: Werner Bernau, Fabian Müller, Christian Rathjen, Michael Steinlechner, Thomas Studer
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Publication number: 20240108510Abstract: The present disclosure relates to an ophthalmological laser treatment system for treatment of tissue of an eye comprising an ophthalmological laser treatment device comprising a base station having a treatment laser source configured to generate a treatment laser beam, an arm and an application head, wherein the ophthalmological laser treatment system further comprises an ophthalmological patient interface with a cornea contacting element, and a sclera contacting element, wherein the cornea contacting element and the sclera contacting element define a rotationally asymmetric contact surface configured to contact the eye, wherein the ophthalmological patient interface comprises a through opening, which is configured to enable the treatment laser beam from the application head to pass through the ophthalmological patient interface to penetrate a target volume of tissue of the eye.Type: ApplicationFiled: October 2, 2023Publication date: April 4, 2024Inventors: Werner Bernau, Fabian Müller, Christian Rathjen, Michael Steinlechner, Thomas Studer
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Publication number: 20240041651Abstract: An ophthalmological laser device is disclosed, the ophthalmological laser device comprising: a base station having: a treatment laser source configured to generate a treatment laser beam, a scanner arranged in a beam path of the treatment laser beam, wherein the scanner comprises a deflecting element pivotable about two axes, wherein both axes lie in a virtual plane arranged substantially parallel to a deflecting plane of the deflecting element and the two axes are arranged orthogonal to each other; an application head; and an arm arranged between the base station and the application head.Type: ApplicationFiled: July 31, 2023Publication date: February 8, 2024Inventors: Christian Rathjen, Michael Steinlechner
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Publication number: 20230390112Abstract: An ophthalmological laser treatment device and method for controlling an ophthalmological laser treatment device are disclosed, the device comprising a base station which has a treatment laser source configured to generate a treatment laser beam, a control module, an application head, and an arm arranged between the base station and the application head, the application head including a primary laser beam monitor which is retractable out of the treatment laser beam and a secondary laser beam monitor.Type: ApplicationFiled: May 31, 2023Publication date: December 7, 2023Inventors: Christian Rathjen, Michael Steinlechner
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Publication number: 20230310213Abstract: An ophthalmological laser treatment device and methods are disclosed, the ophthalmological laser treatment device comprising: a base station having a treatment laser source, an application head, and an arm configured to provide a beam path for the treatment laser beam; wherein the ophthalmological laser treatment device includes a laser beam monitor, a light signal source, and a control module, the laser beam monitor arranged to receive a light signal generated by the light signal source, the light signal having traveled through the arm along the beam path; wherein the control module is configured to control the ophthalmological laser treatment device using signal characteristics of the light signal.Type: ApplicationFiled: March 28, 2023Publication date: October 5, 2023Inventors: Christian Rathjen, Michael Steinlechner
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Publication number: 20230260122Abstract: An ophthalmological image processing device and method are disclosed in which a reference image of an eye of a person is received and analyzed in a processor by calculating a quality measure, the quality measuring being indicative of a suitability of the reference image for a cyclorotation assessment; and an evaluation is performed to determine whether the reference image is suitable for a cyclorotation assessment.Type: ApplicationFiled: February 10, 2023Publication date: August 17, 2023Inventors: Fabian Mönkeberg, Michael Steinlechner
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Patent number: 11717442Abstract: An ophthalmological device for surgical treatment of a cornea comprises a laser source, a focusing optical module, a scanner system, and an electronic circuit configured to control the scanner system to move the focus of the pulsed laser beam generated by the laser source to cut inside the cornea a lenticule and a venting channel which comprises an opening incision in a peripheral area of an exterior surface of the cornea, outside a perimeter of the lenticule from a top view perspective onto the cornea, and the venting channel connecting fluidically the posterior lenticule surface and/or the anterior lenticule surface to the opening incision, to enable venting of gas, produced by cutting the lenticule inside the cornea, through the opening incision to the exterior of the cornea.Type: GrantFiled: December 22, 2020Date of Patent: August 8, 2023Assignee: Ziemer Ophthalmic Systems AGInventors: Michael Steinlechner, Christian Rathjen, Werner Bernau
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Publication number: 20230201039Abstract: An ophthalmological device comprises a scanner system with a first z-scanner, with first scan performance characteristics, and a second z-scanner, with second scan performance characteristics. A circuit is configured to control the scanner system to move the focal spot to target locations along a processing path defined by the treatment control data. The circuit is further configured to determine from the treatment control data a depth scanning requirement, representing modulation of the depth of the focal spot along the processing path, to divide the depth scanning requirement into a first and second depth scanning components for the first and second z-scanner, respectively, and to control the first z-scanner using the first depth scanning component, and to control the second z-scanner using the second depth scanning component.Type: ApplicationFiled: December 22, 2022Publication date: June 29, 2023Inventors: Christian Rathjen, Michael Steinlechner
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Publication number: 20230196577Abstract: An ophthalmological treatment device comprising a processor and a camera for determining a rotation of an eye of a person, the processor configured to: receive a reference image of the eye, the reference image having been recorded with the person in an upright position by a separate diagnostic device; record, using the camera, a current image of the eye, the current image being recorded with the person in a reclined position; and determine a rotation angle of the eye by comparing the reference image to the current image using a direct solver.Type: ApplicationFiled: December 19, 2022Publication date: June 22, 2023Inventors: Fabian Müller, Christian Rathjen, Michael Steinlechner
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Publication number: 20230015597Abstract: An ophthalmological device for processing a curved treatment face in eye tissue comprises a scanner system with a plurality of scan axes configured to move the focal spot to target locations in the eye tissue. A circuit is configured control the scanner system to move the focal spot to target locations along a processing path, defined by treatment control data, to process the curved treatment face in the eye tissue. The circuit is further configured to perform a feasibility check, using the treatment control data and scan capabilities of the scanner system, defined by scan performance characteristics of each particular scan axis. In case the feasibility check indicates that moving the focal spot along the processing path exceeds the scan capabilities of the scanner system, the circuit adjusts the treatment control data.Type: ApplicationFiled: July 14, 2022Publication date: January 19, 2023Inventors: Christian Rathjen, Michael Steinlechner
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Publication number: 20220331163Abstract: An ophthalmological device for refractive correction of a cornea comprises a laser source, a focusing optical module, a scanner system and an electronic circuit. The electronic circuit is configured to control the scanner system to move the focal spot of the pulsed laser beam generated by the laser source to generate a first part of a void volume ablating cornea tissue inside the first part of the void volume, and to generate a separated second part of the void volume by separating the second part of the void volume as piece of cornea tissue to be removed from the void volume through an incision in the cornea, whereby at least a part of the separated second part is separated from the cornea by the ablated first part.Type: ApplicationFiled: April 12, 2022Publication date: October 20, 2022Inventors: Christian Rathjen, Michael Steinlechner
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Publication number: 20220192882Abstract: An ophthalmological device for treatment of a cornea comprises a laser source, a focusing optical module, a scanner system, and an electronic circuit. The electronic circuit is configured to control the scanner system to move the focal spot of the pulsed laser beam to generate a void volume inside the cornea by ablating cornea tissue with partially overlapping focal spots, whereby two or more focal spots partially overlap in direction of each of three dimensions of the void volume, and to move the focal spot inside the cornea to cut in the cornea a venting channel which connects fluidically the void volume to an escape area and enables venting of gas from the void volume through the venting channel to the escape area.Type: ApplicationFiled: December 22, 2021Publication date: June 23, 2022Inventors: Michael Steinlechner, Christian Rathjen, Werner Bernau
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Publication number: 20220192870Abstract: An ophthalmological device for surgical treatment of a cornea comprises a laser source, a focusing optical module, a scanner system, and an electronic circuit configured to control the scanner system to move the focus of the pulsed laser beam generated by the laser source to cut inside the cornea a lenticule and a venting channel which comprises an opening incision in a peripheral area of an exterior surface of the cornea, outside a perimeter of the lenticule from a top view perspective onto the cornea, and the venting channel connecting fluidically the posterior lenticule surface and/or the anterior lenticule surface to the opening incision, to enable venting of gas, produced by cutting the lenticule inside the cornea, through the opening incision to the exterior of the cornea.Type: ApplicationFiled: December 22, 2020Publication date: June 23, 2022Inventors: Michael Steinlechner, Christian Rathjen, Werner Bernau
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Publication number: 20220125632Abstract: An ophthalmological device for surgical treatment of a cornea comprises a laser source, a focusing optical module, a scanner system, and an electronic circuit configured to control the scanner system to move the focus of the pulsed laser beam generated by the laser source to cut inside the cornea a lenticule, an opening incision in an exterior surface of the cornea, and two access channels which connect the opening incision to the posterior lenticule surface and to the anterior lenticule surface to provide access for a surgical tool through the opening incision to the posterior lenticule surface and the anterior lenticule surface, respectively. The access channels are cut to overlap at least partially from a top view perspective onto the cornea.Type: ApplicationFiled: October 22, 2021Publication date: April 28, 2022Inventors: Michael Steinlechner, Werner Bernau
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Publication number: 20210401622Abstract: An ophthalmological device comprises a laser source, an application head having focusing optics and a patient interface, a scanner system and circuit. The circuit is configured to control the scanner system to incise an incision surface, which is symmetrical with respect to the central axis of the patient interface, in the eye tissue, a pulsed laser beam being steered onto treatment points on the incision surface on a first treatment path, and the treatment path being curved while extending around the projection axis of the focusing optics. In the event of a tilt of the eye with respect to the central axis of the patient interface, the circuit determines an apex of a tilted incision surface by a co-tilt of the incision surface corresponding to the tilt of the eye, and determines a transformed treatment path, which extends around the apex and determines treatment points on the tilted incision surface.Type: ApplicationFiled: June 25, 2021Publication date: December 30, 2021Inventors: Christian Rathjen, Michael Steinlechner