Patents Assigned to Carl Zeiss Meditec AG
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Patent number: 11583391Abstract: An artificial eye lens having an integral optical part which has, viewed in the direction of an optical principal axis of the eye lens, a first optical side and an opposite, second optical side. The optical part is formed with a structure having birefringence, where the birefringent structure in the integral optical part is formed as a laser structure. A method for producing an artificial eye lens, where the birefringent structure is produced with a laser apparatus, and a pulsed laser beam having a pulse length of between 100 fs and 20 ps, a wavelength of between 320 nm and 1100 nm, a pulse repetition rate of between 1 kHz and 10 MHz, a focus diameter of less than 5 ?m, and a power density of greater than 106 W/cm2.Type: GrantFiled: May 17, 2018Date of Patent: February 21, 2023Assignee: Carl Zeiss Meditec AGInventors: Michael Kaschke, Manfred Dick, Mario Gerlach
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Publication number: 20230045686Abstract: A computer-implemented method for generating a control signal by locating at least one instrument by way of a combination of machine learning systems on the basis of digital images is described. In this case, the method includes determining parameter values of a movement context by using the at least two digital images and determining an influence parameter value which controls an influence of one of the digital images and the parameter values of the movement context on the input data which are used within a first trained machine learning system, which has a first learning model, for generating the control signal.Type: ApplicationFiled: July 28, 2022Publication date: February 9, 2023Applicant: Carl Zeiss Meditec AGInventors: Markus Philipp, Stefan Saur, Anna Alperovich, Franziska Mathis-Ullrich
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Patent number: 11559392Abstract: The invention is directed to an intraocular lens having an optical body, two haptic elements and first and second sets of a plurality of ropes corresponding to respective ones of the first and second haptic elements. The ropes are secured to the optical body and to the haptic element and have a severing sequence. The haptic elements each have a compressed state, a partly compressed state and an uncompressed state. In the compressed state, the first rope of the severing sequence is configured to deform the haptic element in a direction toward the optical body as a result of which the first rope is under a tensile stress and the rest of the ropes are stress-free and, by the ropes being severed successively in the severing sequence, the haptic element can be brought firstly to the partly compressed state. All the ropes are severed in the uncompressed state.Type: GrantFiled: December 14, 2020Date of Patent: January 24, 2023Assignee: Carl Zeiss Meditec AGInventor: Nicolas Bensaid
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Patent number: 11559189Abstract: A sterile sheath and methods for enclosing a confocal endomicroscopy (CEM) scanner probe with the sterile sheath are provided. The scanner probe includes a probe shaft, a probe tip, a probe body, and a probe umbilical. The sterile sheath for enclosing the CEM scanner probe includes a sheath tube configured to receive the probe shaft and has a distal tube end, a proximal tube end, a sheath tip mounted at the distal tube end of the sheath tube, and a sheath socket configured to receive the probe body. The sheath socket has a distal socket end and a proximal socket end. The proximal tube end of the sheath tube is fixed to the sheath socket at the distal socket end. The sterile sheath further includes a sheath lock ring and a sheath drape mounted on the sheath socket at the proximal socket end with the sheath lock ring.Type: GrantFiled: October 31, 2018Date of Patent: January 24, 2023Assignees: Carl Zeiss Meditec AG, Optiscan PTY Ltd.Inventors: Gerald Panitz, Robert Pattie, Peter Maxwell Delaney, Christopher Byrne, Selene Rodd-Routley
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Patent number: 11561359Abstract: A balancing device for a rotary apparatus including a rotary body which is configured to pivot or swivel about at least one rotary shaft is provided. The balancing device includes a magnet assembly and a torque adjusting mechanism. The magnet assembly includes a combination of two or more magnets, and the torque adjusting mechanism is configured to adjust a torque generated by the combination of the two or more magnets. The balancing device generates an output torque in the form of a cosine curve or sine curve which optimally matches with an unbalancing torque of the rotary body. The balancing device has a small size and is invulnerable to fatigue failure.Type: GrantFiled: January 31, 2019Date of Patent: January 24, 2023Assignee: Carl Zeiss Meditec AGInventors: Chencai Liu, Jianwei Shu
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Patent number: 11550138Abstract: A microscopy method is for producing an electronic image of an object, wherein the object is imaged with an adjustable optical imaging scale on an image detector. The method includes: selecting a parameter for the electronic image, wherein the parameter can be influenced by the optical imaging scale and differs from the image field dimensions, and setting a setpoint value range for the parameter, setting a total imaging scale for the electronic image, wherein adjusting or controlling the parameter of the electronic image is implemented such that, at the same time, the parameter of the electronic image lies in the specified setpoint value range with a tolerance and the set total imaging scale is obtained, wherein the optical imaging scale forms a basis for a manipulated variable of the adjustment or closed-loop control and a digital image magnification is carried out on the basis of the set total imaging scale.Type: GrantFiled: January 26, 2021Date of Patent: January 10, 2023Assignee: Carl Zeiss Meditec AGInventors: Alois Regensburger, Christoph Nieten, Artur Hoegele, Christoph Hauger
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Patent number: 11540944Abstract: A device and a method for the femtosecond laser surgery of tissue, especially in the vitreous humor of the eye. The device includes an ultrashort pulse laser with pulse widths in the range of approximately 10 fs-1 ps, especially approximately 300 fs, pulse energies in the range of approximately 5 nJ-5 ?J, especially approximately 1-2 ?J and pulse repetition rates of approximately 10 kHz-10 MHz, especially 500 kHz. The laser system is coupled to a scanner system which allows the spatial variation of the focus in three dimensions (x, y and z). In addition to the therapeutic laser/scanner optical system, the device includes a navigation system.Type: GrantFiled: February 15, 2017Date of Patent: January 3, 2023Assignee: Carl Zeiss Meditec AGInventors: Manfred Dick, Marcus Blum, Matthias Reich
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Publication number: 20220409429Abstract: An ophthalmological laser therapy system including an apparatus main body and a laser device which is arranged in the apparatus main body and in a laser arm. The laser arm is arranged on the apparatus main body and includes a lighting arrangement. The invention furthermore relates to a planning device and a planning method for planning a laser therapy on an ophthalmological laser therapy system. It seeks to provide an ophthalmological laser therapy system and a method, by which an optimal psychological (calming) effect can be facilitated for every patient. This calming effect is achieved by an ophthalmological laser therapy system whose laser arm has a lighting arrangement the color of which is variable on an individual basis, and by a corresponding planning device and a corresponding planning method.Type: ApplicationFiled: September 8, 2020Publication date: December 29, 2022Applicant: Carl Zeiss Meditec AGInventors: Frank BRÜCKNER, Burkhard WAGNER, Gregor STOBRAWA
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Publication number: 20220409433Abstract: A planning device for generating control data for a treatment apparatus which produces at least one cut surface in the cornea by operation of a laser device, and to a treatment apparatus including a planning device of the specified type. Also, a method for generating control data for such a treatment apparatus, and a method of eye surgery. In this case, a rotation of the cut surface about an axis running substantially parallel to the ocular axis is facilitated during the determination of the cut surfaces.Type: ApplicationFiled: September 8, 2020Publication date: December 29, 2022Applicant: Carl Zeiss Meditec AGInventors: Frank BRÜCKNER, Wolf WEIMER, Andreas WEYHAUSEN, Ralf LABOUVIE, Gregor STOBRAWA
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Publication number: 20220405926Abstract: A computer-implemented method for predicting digital images in the form of a digital fluorescence representation together with a further derived representation by means of a combined machine learning system is described. The method comprises providing a first digital image of a tissue sample that was recorded under white light by means of a microsurgical optical system with a digital image recording unit, and predicting a second digital image of the tissue sample in a fluorescence representation and a further representation, which has optical indications about diseased tissue elements. This is done by means of a previously trained combined machine learning system comprising a trained combined machine learning model for predicting the second digital image of the tissue sample in the fluorescence representation and the further representation.Type: ApplicationFiled: June 15, 2022Publication date: December 22, 2022Applicant: Carl Zeiss Meditec AGInventors: Stefan Saur, Marco Wilzbach, Alexander Freytag, Anna Alperovich
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Patent number: 11533465Abstract: A system for visualizing a three-dimensional target area of an object with a measuring device which determines a distance of a surgical instrument in a target area with respect to a predetermined structure in the target area, a display unit for representing the views, and a control unit. The control unit controls the display unit such that the display unit is in a first display mode when a determined distance is greater than a predetermined first limit value, and switches from the first display mode into a second display mode when the determined distance changes from being greater than a predetermined second limit value, which is smaller than or equal to the predetermined first limit value, to smaller than the predetermined second limit value.Type: GrantFiled: May 10, 2018Date of Patent: December 20, 2022Assignee: Carl Zeiss Meditec AGInventors: Christoph Hauger, Alois Regensburger
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Patent number: 11531194Abstract: A microscope includes an illumination unit for illuminating a region of a specimen to generate an illuminated region, an imaging optical unit for magnified imaging of the illuminated region, an image sensor disposed downstream of the imaging optical unit for capturing the magnified image of the illuminated region, a camera for recording an overview region of the specimen without using the imaging optical unit and a control unit for controlling the image sensor and the camera. The overview region includes a part of the illuminated region and a non-illuminated region of the specimen. The control unit actuates the camera to make a recording of the overview region. The control unit actuates the image sensor to cause a recordation of the magnified image of the illuminated region. The control unit generates an overview image based on the recording of the overview region and the recording of the magnified image.Type: GrantFiled: January 22, 2021Date of Patent: December 20, 2022Assignee: Carl Zeiss Meditec AGInventors: Alois Regensburger, Susanne Kohlhammer, Jonathan Essig
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Patent number: 11517478Abstract: A laser instrument for therapy on the human eye, designed for surgery of the cornea, the sclera, the vitreous body or the crystalline lens, especially suitable for use in immediate succession with other instruments for eye diagnosis or eye therapy, in such a way that during the alternating use of the various instruments, the eye or at least the patient preferably remains in a predetermined position and alignment within one and the same treatment area.Type: GrantFiled: September 19, 2019Date of Patent: December 6, 2022Assignee: Carl Zeiss Meditec AGInventors: Mark Bischoff, Gregor Stobrawa, Evangelos Papastathopoulous
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Publication number: 20220378288Abstract: A method for collecting biometric measurement data of an eye on the basis of different measurement modalities, allowing for physiologically correct, representative, and robust biometric measurement data. In the method, the measurement data for individual measurement variables and the dynamic behavior of the eye are recorded continuously at the highest possible repetition rate over the measurement time. The individual phases of the dynamics of the eye which define the limits of the phase for stable vision are analyzed on the basis of the measurement values, and only the measurement data for the individual measurement variables are output which have been detected during the phase for stable vision. Although the proposed method is provided for collecting biometric measurement data in preparation for a cataract operation, the method can also be applied to other areas of ophthalmology to generate error-free measurement data or recordings of the eye.Type: ApplicationFiled: August 3, 2020Publication date: December 1, 2022Applicant: Carl Zeiss Meditec AGInventors: Holger MÄUSEZAHL, Roland BERGNER, Manfred DICK
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Patent number: 11513331Abstract: A device for outcoupling a portion of the radiation of an observation beam path of a binocular eyepiece for documentation or co-observation that is freely selectable at any time. For the outcoupling, a rotatable supporting unit, the axis of rotation of which is parallel to the axes of the observation beam paths, is arranged in the housing having the binocular eyepiece. Three optical elements are arranged on this supporting unit such that an outer and the middle optical element and, after rotation of the supporting unit, the middle and the other outer optical element are each located in one of the observation beam paths. Here, the two outer optical elements have a beam-splitting effect and outcouple a portion of the observation radiation into a common documentation beam path.Type: GrantFiled: September 11, 2018Date of Patent: November 29, 2022Assignee: Carl Zeiss Meditec AGInventors: Ingo Koschmieder, Dietrich Martin, Günter Link, Lothar Müller
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Patent number: 11506875Abstract: A surgical microscope for generating an image of an object region includes an eyepiece and an objective conjointly defining a viewing beam path, an image capturing device and a beam path switching device for out-coupling image information. The switching device is switchable between a first switching state wherein light in the viewing beam path is split into a first component along a first beam path to the eyepiece at an intensity IT1 and a second component along a second beam path to the image capturing device at an intensity IT2 and a second switching state wherein the light in the viewing beam path is deflected into the second beam path to the image capturing device at an intensity IU. The switching device includes a beam splitter movable in and out of the viewing beam path and a deflecting element movable into and out of the viewing beam path.Type: GrantFiled: October 1, 2019Date of Patent: November 22, 2022Assignee: Carl Zeiss Meditec AGInventors: Andre Mueller, Daniel Kolster, Christian Beder, Thorsten Tritschler
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Patent number: 11504227Abstract: Provided is an injector assembly, comprising: —an injector, which has a plunger and a cannula and is designed to move an intraocular lens through the cannula by means of a translational motion of the plunger; —a magnetic coupling; and—a drive unit, which has a first coupling half of the magnetic coupling, a motor, which is designed to drive the first coupling half into a first rotational motion, and a housing, within which the first coupling half and the motor are encapsulated and which has an annular housing portion, which delimits a channel having a circular cross-section. The injector has a second coupling half of the magnetic coupling, and the injector and the second coupling half are arranged in the channel.Type: GrantFiled: June 4, 2020Date of Patent: November 22, 2022Assignee: CARL ZEISS MEDITEC AGInventor: Martin Kelp
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Patent number: 11488725Abstract: A surgery planning system obtains data from a doctor's questionnaire, patients questionnaire, EMR, and biometry unit. The data is weight-mapped to a plurality of electives in a plurality of options (categories). A surgery plan is generated based on the weights of the patients answers, EMR data, and biometry unit data.Type: GrantFiled: November 9, 2018Date of Patent: November 1, 2022Assignees: CARL ZEISS MEDITEC, INC., CARL ZEISS MEDITEC AGInventors: Jeremiah Robert Elliott, Kyle Hunter Smith
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Publication number: 20220339037Abstract: A planning device that generates control data for a treatment apparatus which produces at least one cut surface in the cornea by application of a laser device. The invention further relates to a treatment apparatus having a planning device of the aforementioned type. The invention further relates to a method for generating control data for this treatment apparatus, and also to a method for eye surgery, at least one cut surface being produced in the cornea by application of a treatment apparatus with a laser device. The planning device has a calculation application for defining corneal cut surfaces, including a lenticule cut and a cap cut, the incision being controlled by the control data such that mutually corresponding locations of the lenticule cut and cap cut are impinged by laser pulses at substantially the same time interval.Type: ApplicationFiled: September 8, 2020Publication date: October 27, 2022Applicant: Carl Zeiss Meditec AGInventors: Frank BRÜCKNER, Wolf WEIMER, Andreas WEYHAUSEN, Mark BISCHOFF, Gregor STOBRAWA
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Publication number: 20220331042Abstract: A slit projector for generating slit illumination in an eye, including a light source, a slit forming unit and an imaging optical unit along a beam path. The invention facilitates improved freedom to operate in the treatment field. The slit projector includes a mirror arranged between the slit forming unit and the imaging optical unit. A corresponding positioning apparatus facilitates aligning the slit illumination in the eye for a therapy system with a surgical microscope and a slit projector. The positioning apparatus includes a holding element and a fastening element, which can be connected to the surgical microscope and the slit projector, respectively, and a pivoting element including a first connection, by use of which the pivoting element and the holding element are movably connected, and a second connection, by use of which the pivoting element and the fastening element are movably connected.Type: ApplicationFiled: September 8, 2020Publication date: October 20, 2022Applicant: Carl Zeiss Meditec AGInventors: Beate BÖHME, Gerard ANTKOWIAK, Dietmar STEINMETZ, Jens KÜHNEMUND, Karsten FESTAG