Abstract: The present invention relates to an imaging device for an endoscope, including a pentaprism with a main body and a prism wedge, a first image sensor for capturing light of a first spectral region and a second image sensor for capturing light of a second spectral region. A dichroic beam splitting layer as a first internal reflective and transmissive splitting layer is arranged between the main body and the prism wedge of the pentaprism, so that incident beams are split by the dichroic beam splitting layer into first beams of the first spectral region and second beams of the second spectral region. At least one separate optical element is arranged between the pentaprism and the first image sensor and/or the second image sensor for changing a property of the light of at least one of the beams. An endoscopic system is also described.

Abstract: A medical instrument (10) comprises an elongated optical system (50) providing an optical axis (58) and comprising a number of rod lenses (52) relaying an image produced by an objective lens (24) near a distal end (12) of the medical instrument (10) to a proximal region (16) of the medical instrument (10), a carriage (60) mechanically coupled to a proximal end region (55) of the optical system (50) and a plurality of elastic arrangements (70) producing forces in distal directions. The carriage (60) transmits the forces to the proximal end region (55) of the optical system (50).

Abstract: A system includes an endoscope connector and an endoscope adapter. The endoscope connector includes a first portion. The first portion includes a first magnetic coupling element and a first planar portion that is perpendicular to an axial direction of the endoscope connector. The endoscope adapter includes a second planar portion. The second planar portion includes a second magnetic coupling element and a substantially planar surface that is perpendicular to an axial direction of the endoscope adapter. The endoscope connector is non-mechanically attachable to the endoscope adapter using the first magnetic coupling element and the second magnetic coupling element. The first planar portion is alignable with the second planar portion such that: electroconductive contacts of the endoscope connector are axially aligned with electroconductive pins of the endoscope adapter and a port of the endoscope connector is axially aligned with a corresponding insertion port of the endoscope adapter.

Abstract: A locking device arranged in an actuation unit of a surgical instrument which has a hollow shaft with the actuation unit arranged at a proximal end of the shaft and having a tool at the distal end of the shaft which can be actuated by an instrument insert which can be movably stored axially in the direction of a main instrument axis (A) in the shaft. The locking device has an engagement element and an actuation device with which the engagement element can be transferred from a release position into a locking position. The engagement element can be a locking bolt which longitudinal axis runs perpendicular to the main axis (A) of the instrument and which has an engagement section configured for engagement with the instrument insert at a first end and a guide section. The locking bolt can be moved in two directions of movement by the actuation device.

Abstract: A steering gear for a surgical instrument includes two motorized drives designed to spatially align a wobble plate via the adjustment angle of the two drives, which is designed to control a distal angling mechanism of the surgical instrument. A first of the two drives has a first motor, which drives a drive pinion via a driveshaft, which engages with a lateral toothing of a first toothed rack, driving a first transmission pinion of a first double gear. A second of the two drives has a second motor driving a drive pinion via a driveshaft, which engages with a lateral toothing of a second toothed rack and drives a second transmission pinion of a second double gear wheel. The wobble plate is arranged between the two bevel gear rims, which are facing one another and lie on a common axis.

Abstract: A method for correcting a position of a measurement point in an endoscopic and/or exoscopic and/or microscopic measurement image, at least comprising the steps of: capturing a first measurement image of at least one movable measurement object; determining the at least one measurement point in relation to the at least one movable measurement object in the first measurement image; capturing at least one second measurement image, following the first measurement image in time, of the at least one movable measurement object; calculating a position displacement vector between the at least one measurement point in the first measurement image and an image point, corresponding to the at least one measurement point, in the second measurement image; and correcting a position of the at least one measurement point determined in relation to the first measurement image, in the second measurement image on the basis of the calculated position displacement vector.

Abstract: An exemplary embodiment relates to a measuring method (50) and to a measuring device (10) in order to determine a length or an area within a scene (32) which are characterized at least partially by a real start point (40-2) and a real end point (42-2), wherein the measurement takes place using at least two images (18, 20) and it is thereby not necessary for the real start point (40-2) and the real end point (42-2) to be imaged in one of the images (18, 20).

Abstract: A measuring system for checking a measured-image state and/or a calibration quality for a stereo measured image, comprising: a first image capturing apparatus; a second image capturing apparatus spaced apart from the first image capturing apparatus; an output apparatus; and an evaluation apparatus designed to generate a stereo measured image from the at least first measured image and the at least second measured image by way of stereo reconstruction; wherein the evaluation apparatus is designed to check a measured-image state and/or to check the calibration quality of the stereo measured image and, should the at least one capturing defect overshoot or undershoot a predetermined threshold value, to transmit a first alert to the output device, and/or, should the calibration quality overshoot or undershoot a predetermined quality limit value, to transmit a second alert to the output device.

Abstract: The invention relates to a carrier device for pre-mounting and holding a sensor assembly and for insertion into a shaft of a medical imaging device, the carrier device having as a respective side a distal side, a proximal side, a top side, a bottom side and two opposing sides, the sensor assembly being assignable to the carrier device and having at least one sensor and the sensor being mountable on the distal side of the carrier device, the carrier device having a continuous cavity from the proximal side to the distal side, so that, when the sensor is pre-mounted on the distal side of the carrier device, the sensor can be aligned from the inside into a predetermined position by means of an alignment tool which can be inserted into the cavity. Furthermore, the invention relates to a medical imaging device and a method for pre-assembling a sensor assembly.

Abstract: A medical imaging device such as an endoscope or exoscope is presented. The device has a light source for illuminating a viewing area and an image sensor, and may include a shaft having a distal section, a proximal section, an end face arranged on the distal section. The light source and the image sensor are accommodated in a common compartment at the distal section of the shaft and an operating heat emitted by the light source and/or by the image sensor is dissipated by means of a heat sink. Furthermore, the invention relates to a method for controlling and/or regulating a medical imaging device in response to the generated heat exceeding a predetermined threshold.

Abstract: An input unit for operating a medical instrument includes: a hollow shaft extending along a longitudinal axis for receiving steering wires; a tool arranged at the distal end of the shaft and formed along an axis of extent; and a control unit, which is arranged at the proximal end of the shaft, for manipulating the tool by means of the steering wires. The input unit comprises first input means for continuously converting, in a pivotably and/or rotationally true manner and preferably without interruption and/or absolutely, an ergonomically limited user input, in particular a natural user movement of movable first operating means, into an adjustment movement of the tool in a first handling mode, in order to pivot the tool to a limited extent relative to the longitudinal axis and/or rotate it to a limited extent about the axis of extent by means of the control unit.

Abstract: The disclosure relates to an endoscope having a rigid or flexible shaft tube, which comprises a rotary drum and is mounted at a distal end, preferably on a mounting fork, so as to be rotatable about at least one axis of rotation, wherein the rotary drum comprises a recess in which an associated imaging system is at least partially accommodated, which comprises at least one imaging optical unit and an image sensor, wherein the imaging system is conductively connected to the proximal region of the endoscope by a preferably flexible circuit board, and wherein the endoscope has at least one control means for moving the rotary drum, in particular for rotating it about the at least one rotational axis. According to the disclosure, the rotary drum is designed as a single piece, preferably monolithically, and has at least one preferably resilient control extension.

Abstract: An optical filter system and a video endoscope therefor are disclosed. The optical filter system is arranged in a distal end section of a shaft. At least one image sensor for receiving image light is positioned in the distal end section. The optical filter system contains an optical filter and an objective lens system with a three or more lenses to collect image light and to pass it to the image sensor. The filter has transmission characteristics that vary relative to the radial distance from its center and is located between the first lens and the second lens of the objective lens system. Used in conjunction with fluorescence imaging, emission radiation collected by the image sensor is substantially free of excitation radiation. Additionally, a display system clearly delineating the regions with reliable fluorescence and/or visible light is also disclosed.

Abstract: An endoscope with a rotating drum or a rotation module, in particular for use as a sterile disposable instrument, having an elongate rigid and/or flexible shaft tube which at a distal end mounts the rotating drum, so as to be rotatable about at least one first axis of rotation, an optical imaging system being arranged in the rotating drum, with the at least one first axis of rotation running approximately transversely to a longitudinal axis of the shaft tube and with the endoscope having at least one control line for rotating the rotating drum. Here, the at least one control line of the rotating drum runs on an outer side/outer face of the shaft tube, and is fastened to the rotating drum at at least one lever distance (a) from the at least one first axis of rotation.

Abstract: A method and a control system for image analysis and optimization of at least one image acquired at the distal end of an endoscope includes the following steps: acquiring image data by means of an image acquisition device of an endoscope; receiving the image data by a control unit, pre-analyzing at least a subset of the image data of one or more consecutive images by a control unit to determine at least one image structure; determining a quality value by means of a training data-based, preferably self-learning, module by comparing the at least one determined image structure with image structures of a reference database stored in a memory unit, and on the basis of the determined quality value, manually or automatically outputting control instructions from the control unit to a unit for activating image optimization.

Abstract: A device for image analysis and/or cleaning of a window arranged at the distal end of an endoscope includes: an image capture device having an optical window for illuminating an object space using an illumination device, a cleaning module including a fluid channel and a nozzle for cleaning and/or drying the optical window by means of a fluid; and a control unit. The control unit analyzes captured image data and, based on a deterioration in the image quality of the captured image data, outputs control instructions for activating image optimization to the cleaning module either automatically or manually so as to activate a fluid pulse for cleaning and/or drying the at least one optical window.

Abstract: A computing device includes an image embeddings generating module configured to generate a data array as an image embedding for each image received; a clustering module configured to determine, a plurality of clustering parameter values within the images based on the generated image embeddings; an evaluation module configured to construct a trajectory in a parameter space, wherein one dimension of the parameter space represents the plurality of clustering parameter values and another dimension of the parameter space is based on the number of clusters determined by the clustering module; wherein the evaluation module is further configured to determine a measure of the parameter space between the origin of the parameter space and the trajectory; and a user interface configured to to indicate changes and/or effects of the user input on/in the measure.

Abstract: An image capture apparatus for capturing an image of an object of medical interest in reemitted and/or reflected illumination light, for capturing an image of the object in fluorescence light generated by protoporphyrin, and for capturing an image in fluorescence light generated by indocyanine green. The apparatus includes an image sensor for capturing blue, green and red light, another image sensor for capturing fluorescence light from protoporphyrin and indocyanine green, and a beam splitter for guiding light from the object that has a wavelength shorter than a predetermined threshold wavelength ?0 to the first image sensor, and for guiding light from the object that has a wavelength longer than the predetermined threshold wavelength ?0 to the second image sensor. A filter arranged upstream of the second image sensor partially, extensively or completely suppresses light at a wavelength suitable for exciting fluorescence of indocyanine green. A corresponding method is also presented.