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11.发明申请公开(公告)号：US20230005174A1
公开(公告)日：2023-01-05
申请号：US17856957
申请日：2022-07-02
发明人： Dominik Litsch , Stefan Saur
摘要： A system and a method for optically detecting a pose of at least one instrument in an operating theater are provided. The method includes determining pose information of the at least one instrument with an optical pose detection device of a surgical microscope or with a microscope-external optical pose detection device, determining whether the pose information is biunique or whether a biunique determination of the pose of the instrument is possible, and evaluating additional information for determining additional pose information, at least for a case where no biunique determination of the pose is possible.
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公开(公告)号：US11533465B2
公开(公告)日：2022-12-20
申请号：US15976775
申请日：2018-05-10
IPC分类号： H04N13/204 , A61B3/00 , H04N13/239 , H04N13/271 , G02B21/00 , A61B34/20 , A61B90/20 , A61B90/00 , G06T7/50 , G06T7/73 , A61B3/10 , A61B3/13 , A61B3/14 , A61F9/007 , G06T7/00
摘要： 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.
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公开(公告)号：US20220362008A1
公开(公告)日：2022-11-17
申请号：US17875142
申请日：2022-07-27
发明人： Thorben Badur
IPC分类号： A61F2/16
摘要： An ophthalmosurgical injector includes a cannula, a barrel, an outer plunger mounted in the barrel and together with the barrel delimiting a barrel cavity arranged in the barrel, and into which an intraocular lens can be introduced, and an inner plunger mounted in the outer plunger and together with the outer plunger delimiting an outer plunger cavity arranged in the outer plunger and into which a liquid can be introduced. The injector is configured such that a first movement, executed by the inner plunger relative to the outer plunger such that the outer plunger cavity becomes smaller, causes the liquid to flow from the outer plunger cavity into the barrel cavity, and a second movement, executed by the outer plunger relative to the barrel such that the barrel cavity becomes smaller, causes the intraocular lens to be pressed out of the barrel cavity and into the cannula.
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公开(公告)号：US11460684B2
公开(公告)日：2022-10-04
申请号：US17322784
申请日：2021-05-17
发明人： Fang You , David Dobbelstein , Stefan Saur
IPC分类号： G02B21/36 , A61B90/25 , G06T7/285 , H04N13/332 , H04N13/296 , H04N13/239 , H04N5/232 , G02B21/00 , H04N5/225
摘要： A method of operating a surgical microscope includes detecting an amount of movement of a body portion of a user, and performing movements of a camera and changes in a magnification based on the detected movements of the body portion. The amounts of these movements and changes decrease with increasing magnification provided by the surgical microscope, they decrease with decreasing distance of the body portion of the user from the display, and they decrease with decreasing distance of the cameras from the field of view of the cameras.
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公开(公告)号：US11445159B2
公开(公告)日：2022-09-13
申请号：US17109813
申请日：2020-12-02
IPC分类号： G06T7/00 , H04N9/73 , G06K9/62 , H04N13/257 , G06T7/90 , H04N13/239 , H04N13/15 , H04N13/189 , G06V10/94
摘要： A computer-implemented method and a corresponding system for context-sensitive white balancing for a stereomicroscope are presented. The method comprises recording a first digital image by way of a first camera in a first optical path of the stereomicroscope, and recording a second digital image by way of a second camera in a second optical path of the stereomicroscope. Furthermore, the method comprises determining, by means of a trained machine learning system, the context identified in the images, and determining, by means of the trained machine learning system, camera parameters suitable for controlling color channels of the first and second cameras for white balancing.
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公开(公告)号：US20220257111A1
公开(公告)日：2022-08-18
申请号：US17628107
申请日：2020-07-30
摘要： Various techniques for providing a low-cost ophthalmic imaging system, such an OCT or fundus imagers are presented. Cost is reduced by using a K-minor as a scanning component. The K-mirror is positioned at a retina conjugate. A beam splitter is positioned at the pupil conjugate and may be used to provide pupil splitting functionality. The beam splitter's shape and area conform to the focal light footprint of an illumination source such that it spans only a fraction of a collection window. 2D FFT is applied to capture spectra for purposes of selectively removing complex conjugate components and for extracting patient pupil to system collection pupil alignment. Consequently, pupil alignment is achieved by use of captured OCT data without the need for additional pupil cameras.
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公开(公告)号：US11409091B2
公开(公告)日：2022-08-09
申请号：US16732162
申请日：2019-12-31
发明人： Fang You , David Dobbelstein , Stefan Saur
摘要： A method of operating a surgical microscope includes detecting a direction of gaze of a user and detecting an amount of a movement of a head of the user. The movement of the head of the user is of a translatory movement type and a rotatory movement type. Amounts of movements or rotations of the camera or changes in the magnification are performed based on the detected amount of a movement of the head of the user.
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公开(公告)号：US11406455B2
公开(公告)日：2022-08-09
申请号：US16393959
申请日：2019-04-25
发明人： Stefan Saur , Christian Voigt , Marco Wilzbach , Christoph Hauger
摘要： A microscopy system includes a microscope, a stand configured to mount the microscope and including a drive device configured to move the microscope, a detection device configured to detect a spatial position of a target fastened to a body part or to an instrument, wherein the position detection device includes the target with at least one marker element and an image capture device configured to optically capture the target. The microscopy system further includes at least one control device configured to operate the microscopy system according to the detected position of the target, wherein the position detection device is configured to determine the position of the target by evaluating a two-dimensional image of the image capture device. In addition, a method for operating the microscopy system is provided.
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公开(公告)号：US20220244178A1
公开(公告)日：2022-08-04
申请号：US17433776
申请日：2020-02-28
发明人： Rainer LEITGEB , Manfred DICK , Roland BERGNER , Ralf EBERSBACH , Thomas PABST
摘要： The invention relates to a method for controlling a semiconductor-laser-diode-based SS-interferometer system (SS=swept source), which allows for a wide range of application and is suitable for use in ophthalmology, in particular for imaging and for determining biometric measurement values of the eye. In the method according to the invention, by means of periodic current modulation, the operation of single semiconductor laser diodes is designed such that a highly coherent spectral laser line can be adjusted with a highest possible repetition rate and over a wide wavelength range. In addition, the following parameters: centre wavelength, sweep rate, sweep range, optical power in the eye and coherence length are adjusted such that the method is suitable for imaging and biometric applications via whole-eye scans. The proposed semiconductor-laser-diode-based SS-interferometer system is provided, in particular, for biometric measuring of the eye. Given that the embodiments are based preferably on optical, coherence tomographic scan images, the main application lies in opthalmological diagnostics, treatment and the preparation of surgical procedures and follow-up thereof.
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20.发明申请公开(公告)号：US20220218527A1
公开(公告)日：2022-07-14
申请号：US17707988
申请日：2022-03-30
发明人： Manfred Dick , Matthias Reich , Diego Zimare
摘要： A method for detecting structures within an optical element of an eye and processing the optical element as a function of the detected structures includes acquiring, by a detection device, geometric data of an eye, transferring, by the detection device, the geometric data of the eye to a controller, calculating, by the controller, target coordinates for a processing device including a laser, the processing device being connected to the controller, and applying a beam produced by the laser to the eye according to the target coordinates calculated by the controller so as to process the optical element.
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