Abstract: A method for automatically localizing at least one object or structure in a second data set is provided. A reference data set is provided, and at least one object or structure is outlined or marked in the reference data set, the outline or marking information being a first or reference label data set. A mapping function is determined, using which said reference data set is approximately mapped onto said second data set, and the reference label data set assigned to said reference data set is transformed into a second label data set using said mapping function.

Abstract: The invention relates to a catheter stylet for stiffening a catheter during the placing process, wherein the stylet comprises an accommodating lumen for at least one fluid-guiding line of the catheter. It also relates to a catheter stylet catheter system, comprising such a stylet and comprising a catheter which comprises a fluid-guiding line, and to a method for stiffening a catheter during the placing process, wherein a stylet which comprises an accommodating lumen is arranged around at least one fluid-guiding line of the catheter.

Abstract: A computer-implemented system and method for determining an optimal manner of introducing and moving an introduced entity from an introduction site to a target tissue region. The method comprises: calculating a modeling value at the introduction site, the pathway to the target tissue region, and the target tissue region; calculating a diffusion value representing a concentration gradient of the introduced entity as it moves through the introduction site, the pathway, and the target tissue region; calculating a flow value representing how the introduced entity is transported through the introduction site, the pathway, and the target tissue region; and determining a time, location, and method for introducing and moving the introduced entity based on the modeling value, the diffusion value, and the flow value.

Abstract: A device for positioning at least one ultrasound probe of an ultrasound apparatus can include a recording device for recording an object and an evaluating unit that evaluates data corresponding to the object obtained from the recording device. A computational unit can generate positional data for the at least one ultrasound probe of the ultrasound apparatus. The device can be used for setting at least one parameter of the ultrasound apparatus based on data obtained by the recording device.

Abstract: A method for adjusting parameters of a calibration model in a position sensing system including a sensor for obtaining a measurement indicative of a location of an object, the method including: a) providing an initial set of model parameters for determining a relationship between a sensor measurement and a location value within a predetermined volume of location values; b) selecting a plurality of sub-segments of location values within the range of location values; c) providing for each of the selected plurality of sub-segments of location values a local set of model parameters for determining a relationship between a sensor measurement and a location value within the selected sub-segment of location values; d) obtaining a measurement from the sensor; e) determining an estimate of the location of the object from the sensor measurement and the initial set of model parameters; and f) identifying at least one of the selected sub-segments of location values related to the estimate of the location of the object.

Abstract: A method for registering an asymmetrical femur implant having a shaft and a collar includes ascertaining a position of a shaft axis associated with the shaft and ascertaining a position of a collar axis associated with the collar. A device for registering an asymmetrical femur implant connected to at least one reference marker is provided. The device includes a detection device for detecting a spatial position of the at least one reference marker and a database in which a geometry of the asymmetrical femur implant is stored. A processor ascertains the spatial position of the asymmetrical femur implant.

Abstract: The present application relates to a method for registering two-dimensional image data, comprising the steps of: providing a registered three-dimensional image data set of an object under examination; providing a two-dimensional image data set of the object under examination which is to be registered; generating synthetic two-dimensional image data sets of the object under examination from the three-dimensional image data set, wherein the synthetic two-dimensional image data sets to be generated are parameterized with regard to parameters which describe the two-dimensional image data set to be registered; comparing the parameterized synthetic two-dimensional image data sets with the two-dimensional image data set to be registered, and finding the parameterized synthetic two-dimensional image data set having the greatest similarity to the two-dimensional image data set to be registered; on the basis of this, ascertaining the spatial relationship between the two-dimensional image data set to be registered an

Abstract: A pre-calibrated reusable instrument includes an instrument holder and an instrument held by and movable with respect to the instrument holder. The instrument includes at least two functional elements and at least three markers, wherein at least one of the markers is movable with the instrument relative to the instrument holder such that a movement of the instrument produces a corresponding movement of the at least one marker.

Abstract: A measuring device for measuring geometric properties of a medical treatment device includes a measuring unit, a time detection unit, and an RFID writer. The measuring unit is configured to measure a relative position between at least a first part of the medical treatment device and at least a second part of the medical treatment device. The time detection unit configured to detect a time of the measurement, and the RFID writer configured to write a time, based on the detected time, to an RFID transponder of the medical treatment device.

Abstract: A computer network system includes a controlling PC, at least one controlled PC controllable by the controlling PC via a data connection including a network, at least one central terminal having a display, and a video router. The video router is operatively coupled to each of the at least one controlled PCs and the at least one central terminal display and operative to transmit video or monitor signals from each of the controlled PCs to the at least one central terminal display.

Abstract: A fixing device for securely fixing surgical equipment to a surgical field of a human or animal body includes a first lever element including a first gripping portion and a first handling portion, and a second lever element including a second gripping portion and a second handling portion. The and second lever elements can be connected such that they can be pivoted and detached with respect to each other.

Abstract: A deformable marker device for adapting to a human or animal body includes a plurality of marker elements, and a connecting device that connects at least some marker elements of the plurality of marker elements to each other. The connecting device enables the at least some marker elements to be moved relative to each other so as to adapt a shape of the marker device to a course of a curved surface.

Abstract: Method for planning implant placement, the implant comprising a first implant in a first limb and a second implant in a second limb, the first and the second implant forming an artificial structure joining the first and second limb, the method comprising the steps: a) providing a first limb data set representing a first reference system in which the first limb is fixed; b) providing a second limb data set representing a second reference system in which the second limb is fixed; c) providing a representation of the implant for the head of the second limb in a known position in the second reference system; d) providing relative pose data representing a plurality of different relative positions and/or orientations, referred to as relative poses, of the first and second reference system; e) determining a data set representing a plurality of envelope points, said envelope points being generated by calculating the locations of a point of the second implant representation in the first reference system for the plu

Abstract: The present invention relates to a method for registering a two-dimensional image data set, generated using fan-shaped imaging rays, in the medical field, wherein the method comprises: processing the two-dimensional image data on the basis of a spatial transformation function which describes a spatial relative position between points which have been imaged using a fan-shaped imaging ray, and the imaging apparatus used for imaging; and processing the two-dimensional image data on the basis of an imaging transformation function which describes an imaging function of the imaging apparatus used for generating the two-dimensional image data set, which describes a spatial relationship between the actual spatial position of imaged points and their imaging location in a recording.

Abstract: A system and method for determining the position of correspondence object pairs including A-objects and B-objects that represent the same objects of the same anatomical body structure in two different reference frames A and B, including: defining A-objects and B-objects that each represent different objects of the body structure in their respective reference frames; determining geometric relationship data A and geometric relationship data B that describe a geometric relationship between the A-objects based on positions of the A-objects in the reference frame A and the B-objects in the B reference frame; and providing data derived or extracted from the geometric relationship data A and from the geometric relationship data B to allow a comparison of a geometric relationship between at least two A-objects to a geometric relationship between at least two B-objects.

Abstract: A device and method for registering a patient's hip, wherein the device includes markers and positioning elements which can be placed on characteristic points of the hip, and once placed on characteristic points of the hip, data for registering the hip can be ascertained from the position of the markers. The method includes detecting the position of the markers arranged on the device and ascertaining data for registering the hip.

Abstract: An anthropomorphic medical robot arm includes a base end, a first arm element, a base joint coupling the base end to the first arm element, a second arm element, a middle joint coupling the second arm element to the first arm element, a distal functional end, a distal joint coupling the distal functional end to the second arm element, and at least one selectively operable movement inhibitor operable on the base joint, middle joint and/or distal joint so as to restrict the functionally possible range of movement of the robot arm to the range of movement of a human arm.

Abstract: The patent discloses a system and method for correcting changes in the shape of joint bones in a bone joint, including: providing a three-dimensional imaging data set of a bone joint; identifying the joint bones in the data set based on the shapes of the joint bones; inscribing a portion of a joint bone to be reconstructed with a base shape; determining contour deviations of the inscribed joint bone from the base shape by ascertaining contour distances between the base shape and the shape of the inscribed joint bone in different incision planes; determining a three-dimensional deviating volume using the contour deviations; and using the deviating volume for correction planning.

Abstract: The invention relates to an input pen for a touch-sensitive medical monitor, including: a grip portion, and an input portion, wherein the input portion includes one-dimensional and two-dimensional monitor contact sections.

Abstract: A method for the superimposed depiction, on at least one screen, of overlapping recordings of a region to be imaged which is recorded in at least two recording steps, wherein multiple markers are fixedly provided in the region to be imaged, such that at least two recordings can be spatially produced, offset with respect to the markers, using an x-ray apparatus, wherein the recordings are registered relative to the marker, and the image data of accordingly registered recordings is mutually oriented by means of a common imaging protocol and depicted on the at least one screen in a superimposed way.