Abstract: A medical apparatus for determining a relative spatial position of a planar marker is provided. The medical apparatus has an illumination device configured to illuminate the marker, a detector configured to detect light steered from the marker to the detector, and an evaluation device configured to determine a direction of a tilt of the marker from an analysis of a first value detected by the detector while the marker is illuminated from a first direction and a second value detected by the detector while the marker is illuminated from a second direction.

Abstract: An eye surgery surgical system includes a visualization device for visualizing the position of at least one trocar point for a trocar on the sclera of a patient's eye. The trocar serves to introduce a surgical instrument configured for surgical interventions on the fundus of the patient's eye into the patient's eye. The eye surgery surgical system also includes a computer unit which is configured to provide the position of the at least one trocar point to the visualization device. Here, the computer unit contains a trocar point computation routine configured to calculate the position of the at least one trocar point from the location of at least one surgical site in a model of the patient's eye and from geometric data relating to at least one surgical instrument introducible into the patient's eye through the trocar.

Abstract: A visualization system includes an observation apparatus having a first image recording device to observe an operation region with a first observation plane, and an endoscope having a probe and a second image recording device to observe the operation region with a second observation plane. A display device represents a first image recorded by the first image recording device in a first orientation and a second image recorded by the second image recording device in a second orientation. The visualization system further includes a tracking system to determine an orientation of the endoscope relative to the observation apparatus and a controller configured to transform the second image based on the orientation of the endoscope relative to the observation apparatus.

Abstract: 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.

Abstract: An eye surgery surgical system includes a visualization device for visualizing the position of at least one trocar point for a trocar on the sclera of a patient's eye. The trocar serves to introduce a surgical instrument configured for surgical interventions on the fundus of the patient's eye into the patient's eye. The eye surgery surgical system also includes a computer unit which is configured to provide the position of the at least one trocar point to the visualization device. Here, the computer unit contains a trocar point computation routine configured to calculate the position of the at least one trocar point from the location of at least one surgical site in a model of the patient's eye and from geometric data relating to at least one surgical instrument introducible into the patient's eye through the trocar.

Abstract: A visualization system includes an observation apparatus having a first image recording device to observe an operation region with a first observation plane, and an endoscope having a probe and a second image recording device to observe the operation region with a second observation plane. A display device represents a first image recorded by the first image recording device in a first orientation and a second image recorded by the second image recording device in a second orientation. The visualization system further includes a tracking system to determine an orientation of the endoscope relative to the observation apparatus and a controller configured to transform the second image based on the orientation of the endoscope relative to the observation apparatus.

Abstract: A method for operating a microscopy system and to a microscopy system are provided. A pivot point is defined, wherein the microscopy system is operated such that a microscope of the microscopy system moves at a constant distance around the pivot point, wherein a reference surface is determined, wherein an intersection of an optical axis of the microscope and the reference surface is determined as the pivot point, wherein the pose of the reference surface is defined in a focal position-independent reference coordinate system and the pivot point is determined as the intersection of the optical axis with the thus defined reference surface in the reference coordinate system.

Abstract: Disclosed is a method for determining the three-dimensional positions of points in a target region on a patient in a reference coordinate system of a surgical visualization system. The method includes generating at least one light marking in the target region. Using at least one imaging unit to capture at least one image representation containing the at least one light marking. Determining a three-dimensional position of the at least one light marking in the reference coordinate system proceeding from image coordinates of the light marking in the captured image representation, with the known pose of the at least one light source and/or the light path and the known pose of the at least one imaging unit being taken into account. Repeating measures multiple times, with a position of the at least one light marking within the target region being changed each time, and providing the determined three-dimensional positions.

Abstract: A microinstrument system comprises: a microinstrument, having at least one integrated optical fiber which has a distal end facing the object to be observed; a recording apparatus, to which light from the object to be observed can be supplied for recording image data with the aid of the at least one optical fiber; a determining device, which is designed to determine the positions of the distal end of the at least one optical fiber at the recording times of the particular image data; wherein a data-processing device, connected to the recording apparatus in order to receive the image data; is connected to the determining device in order to receive the position data; and is designed to compile the image data with the aid of the position data to form a two-dimensional or three-dimensional image.

Abstract: An eye surgery surgical system includes a device for displaying a relative position of a section of a surgery object in a 3D reconstruction of a region of an eye, a device for continuously providing at least two data records relating to at least partly overlapping portions of the region of the eye and of the section of the surgery object to a computer, a computer program for continuously ascertaining the relative position of the section of the surgery object and continuously ascertaining the 3D reconstruction of the eye from the data records provided. The program includes a first routine for continuously ascertaining the relative position of the section of the surgery object and the 3D reconstruction of the region of the eye from the data records provided via a registration method and a second routine for adapting the registration method based on a criterion.

Abstract: The invention relates to an arrangement 10 with an OCT device 20 for scanning an object region volume 22 arranged in an object region 18 with an OCT scanning beam 21, comprising an item 24 which has a section 84 that is arrangeable in the object region 18 and is localizable in the object region volume 22 by means of the OCT device 20, and having a computing unit 60 connected to the OCT device 20 and having a computer program for determining a 3-D reconstruction of the object region volume 22 and determining the location of the portion of the object 24 in the object region volume 22 by processing OCT scan information obtained with the OCT device 20 by scanning the object region volume 22. According to the invention, the computer program has a calculation routine for determining a target area in the 3-D reconstruction of the object region volume 22, which routine determines a reference variable for the object 24 for the target area.

Abstract: A liquid pump, in particular for providing a supply to a transmission of an electric or hybrid drive module of a motor vehicle, having a pump housing wherein a pump chamber and a pump rotor are arranged, wherein the pump chamber is connected to an outlet channel to which a temperature sensor is assigned, wherein the temperature sensor has a lead frame and an SMD sensor element.

Abstract: A method for operating a microscopy system is provided. The microscopy system includes a microscope and a stand supporting the microscope. The microscope is arranged on the stand. The stand includes at least one drive device configured to move the microscope. The method includes determining a specified value or a specified change of a modulable inertia of the microscopy system based on a state variable and/or based on user information and/or based on a force acting on the microscopy system and/or based on a current instance of application. The at least one drive device is controlled such that a divergence between the specified value and an actual value of the modulable inertia is reduced or the modulable inertia is varied in accordance with the specified change.

Abstract: A microinstrument system comprises: a microinstrument, having at least one integrated optical fiber which has a distal end facing the object to be observed; a recording apparatus, to which light from the object to be observed can be supplied for recording image data with the aid of the at least one optical fiber; a determining device, which is designed to determine the positions of the distal end of the at least one optical fiber at the recording times of the particular image data; wherein a data-processing device, connected to the recording apparatus in order to receive the image data; is connected to the determining device in order to receive the position data; and is designed to compile the image data with the aid of the position data to form a two-dimensional or three-dimensional image.

Abstract: A method for operating a microscopy system is provided. The microscopy system includes a microscope and a stand supporting the microscope. The microscope is arranged on the stand. The stand includes at least one drive device configured to move the microscope. The method includes determining a specified value or a specified change of a modulable inertia of the microscopy system based on a state variable and/or based on user information and/or based on a force acting on the microscopy system and/or based on a current instance of application. The at least one drive device is controlled such that a divergence between the specified value and an actual value of the modulable inertia is reduced or the modulable inertia is varied in accordance with the specified change.

Abstract: Approaches, techniques, and mechanisms are disclosed for predicting molecular electronic structural information. According to one embodiment, quantum simulation results are generated for a molecule based on a quantum simulation of an electronic structure of the molecule. The quantum simulation of the electronic structure of the molecule is performed with quantum processing units. An input vector comprising data field values derived from the quantum simulation results for the molecule is created. An electronic structural information prediction model is applied to generate, based at least in part on the input vector, predicted electronic structural information for the molecule.

Abstract: A method for controlling the charging process of an electrical energy storage device, at an electric charging device, wherein the charging device has a temperature control system and the energy storage device has a temperature control system, including at least the following steps: transfer of electrical energy between the charging device and the energy storage device, transfer of thermal energy between a temperature control system of the charging device and the temperature control system of the energy storage device, and transmission of at least one first item of information from a computing unit associated with the charging device to a computing unit associated with the energy storage device, and/or transmission of at least one second item of information from a computing unit associated with the energy storage device to a computing unit associated with the charging device.

Abstract: To simplify the optical calibration of an optical observation apparatus, a stand for an optical observation unit including a calibration object arranged directly on the stand in a fixed location is specified. Moreover, an optical observation apparatus, which includes such a stand and an optical observation unit connected to the stand, a method for calibrating such an optical observation apparatus, and a computer program are specified.

Abstract: Approaches, techniques, and mechanisms are disclosed for predicting molecular electronic structural information. According to one embodiment, quantum simulation results are generated for a molecule based on a quantum simulation of an electronic structure of the molecule. The quantum simulation of the electronic structure of the molecule is performed with quantum processing units. An input vector comprising data field values derived from the quantum simulation results for the molecule is created. An electronic structural information prediction model is applied to generate, based at least in part on the input vector, predicted electronic structural information for the molecule.

Abstract: 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.