Abstract: The disclosure relates to a lithotripsy device comprising an elongate probe, which can be inserted into a body interior of a human or animal body, and a drive arrangement for deflecting the probe, which is arranged at a proximal portion of the probe, the drive arrangement comprising an ultrasonic converter unit for exciting ultrasonic vibrations in the direction of a longitudinal extension of the probe, and the drive arrangement having a deflection device for exerting a time-varying force onto the probe in a direction transversely to the longitudinal extension of the probe. The disclosure also relates to a lithotripsy system and to a method for operating a lithotripsy device.

Abstract: The invention relates to a method for determining an optimal frequency of an oscillating movement of a force-accelerated projectile of an intracorporeal pneumatic lithotripsy apparatus, including the following steps: repeatedly accelerating the projectile from a first proximal stop of an acceleration path to a second distal stop, and from the second stop to the first stop, wherein a piezo element is arranged between a proximally arranged counter bearing and a distally arranged horn and is mechanically coupled to the counter bearing and to the horn, and the horn has a distally arranged sonotrode, wherein the acceleration path is arranged in the interior of the counter bearing and of the horn and the first stop is arranged at a distal end of the counter bearing and the second stop is arranged at a distal end of the horn, detecting an electrical signal from the piezo element caused by a tremor at the first stop and/or the second stop as a result of the projectile; and using the detected electrical signal to cont

Abstract: The disclosure relates to a holding device (12) for medical instruments (14) having a proximal base (20) for mounting on a frame (16), said base comprising a first joint (30), having a distal instrument holder (22) which comprises a second joint (32), having at least two sliding elements (52, 54, 58) between the base (20) and the instrument holder (22), and having at least two clamping elements (138, 140, 142, 144) which can be actuated by at least one transfer element (84, 86, 88), which can be operated jointly in a clamped stated and a released state, and which are designed to lock joints of the holding device (12) in the clamped state, wherein the at least two sliding elements (52, 54, 58) form a sliding joint (24) and can be displaced translationally relative to each other along a longitudinal axis (132), and wherein the at least two sliding elements (52, 54, 58) are telescopable relative to each other and coupled non-rotationally with each other.

Abstract: The disclosure relates to a holding device (12) for medical instruments (14) having a proximal base (20) for mounting on a frame (16), said base comprising a first joint (30), having a distal instrument holder (22) which comprises a second joint (32), having at least two sliding elements (52, 54, 58) between the base (20) and the instrument holder (22), and having at least two clamping elements (138, 140, 142, 144) which can be actuated by at least one transfer element (84, 86, 88), which can be operated jointly in a clamped stated and a released state, and which are designed to lock joints of the holding device (12) in the clamped state, wherein the at least two sliding elements (52, 54, 58) form a sliding joint (24) and can be displaced translationally relative to each other along a longitudinal axis (132), and wherein the at least two sliding elements (52, 54, 58) are telescopable relative to each other and coupled non-rotationally with each other.

Abstract: The invention relates to an illumination device (10) for an endoscope (20), the device comprising illumination means (1) for coupling light into a light guide (2) connectable to the device, the illumination means comprising an LED matrix array (3) comprising a plurality of LED pixels (4a, . . . , 4n) forming an emission area (4), and the device comprising a light guide port (5) associated with the illumination means (1) for positioning a light-guiding transmission area (2a), which is disposed at an end of the light guide, essentially orthogonally to a main emission direction (L) of the emission area (4) of the LED matrix array (3), wherein the device comprises detection means which are configured to detect LED pixels of the emission area (4) that are directed at non-light-guiding portions (7a, , . . . , 7n) of the light guide (2) in the main emission direction (L), and wherein the device (10) has a control unit (8) which is configured to selectively operate the LED pixels (4a, . . .

Abstract: Device for the simultaneous fixation of medical instruments, the device having a joint member which has a holding section in the form of a spherical segment, the spherical segment having a continuous cavity along a longitudinal axis, the holding section being subdivided into at least two holding segments perpendicular to the longitudinal axis, and at least two arm elements being arranged on the joint member, the apparatus further comprising a tension ring supported by the support surfaces and a tensioning element configured to press the support segments together, wherein when the support segments are pressed together, the support surfaces press against the tension ring. Furthermore, a system with such a device is revealed.

Abstract: A device for simultaneous fixation of medical instruments is disclosed, the device comprising a holding portion, a coupling element and a pushing element, wherein the coupling element is configured for the holding portion to be pivoted about a pivot axis, and the pushing element is configured, in a first position, not to exert a force or a first force on the holding portion so that the holding portion can be pivoted, and, in a second position, to exert a second force, which is greater than the first force, on the holding portion so that the holding portion can be pivoted with respect to the first force. is fixed with respect to rotation about the pivot axis. A system with such a device is also disclosed.

Abstract: A device for simultaneous fixation of medical instruments is disclosed, the device comprising a holding portion, a coupling element and a pushing element, wherein the coupling element is configured for the holding portion to be pivoted about a pivot axis, and the pushing element is configured, in a first position, not to exert a force or a first force on the holding portion so that the holding portion can be pivoted, and, in a second position, to exert a second force, which is greater than the first force, on the holding portion so that the holding portion can be pivoted with respect to the first force. is fixed with respect to rotation about the pivot axis. A system with such a device is also disclosed.

Abstract: A method for testing an optical investigation system, with an imaging device, a video camera and a light source for optical investigation of an object including a reference surface with predetermined optical properties being illuminated with illuminating light from a light source. An image of the reference surface is recorded by the imaging device and the video camera. An operating condition of the video camera that prevails during the recording of the image is recorded. The functionality or another property of the investigation system is determined on the basis of the recorded operating condition.

Abstract: Device for the simultaneous fixation of medical instruments, the device having a joint member which has a holding section in the form of a spherical segment, the spherical segment having a continuous cavity along a longitudinal axis, the holding section being subdivided into at least two holding segments perpendicular to the longitudinal axis, and at least two arm elements being arranged on the joint member, the apparatus further comprising a tension ring supported by the support surfaces and a tensioning element configured to press the support segments together, wherein when the support segments are pressed together, the support surfaces press against the tension ring. Furthermore, a system with such a device is revealed.

Abstract: A beam combining device for combining light from a first light source and light from a second light source of a light-source device for a medical apparatus includes a body made of a transparent material, a face which reflects in at least either a dichroic or polarization-dependent manner and is situated in or on the body, which face is transparent to light having a first spectrum or a first polarization and reflects light having a second spectrum or a second polarization, and a light-entrance face on the body, which light-entrance face is provided and arranged so that light enters the beam combining device through the light-entrance face. At least either the light-entrance face or the face reflecting in a dichroic or polarization-dependent manner is curved.

Abstract: An endoscopic, exoscopic or microscopic apparatus for fluorescence diagnosis comprises a light source designed to emit light in a first spectral range and light in a second spectral range in a fluorescence mode The second spectral range is at least partly separate from the first spectral range. The light source has at least one first semiconductor illuminant which emits the light in the first spectral range in the fluorescence mode. The light source has at least one second semiconductor illuminant which emits the light in the second spectral range in the fluorescence mode. The apparatus comprises an open-loop or closed-loop control device, which keeps constant a preset ratio of a first intensity of the light in the first spectral range and a second intensity of the light in the second spectral range.

Abstract: A beam combining device for combining light from a first light source and light from a second light source of a light-source device for a medical apparatus includes a body made of a transparent material, a face which reflects in at least either a dichroic or polarization-dependent manner and is situated in or on the body, which face is transparent to light having a first spectrum or a first polarization and reflects light having a second spectrum or a second polarization, and a light-entrance face on the body, which light-entrance face is provided and arranged so that light enters the beam combining device through the light-entrance face. At least either the light-entrance face or the face reflecting in a dichroic or polarization-dependent manner is curved.

Abstract: A simulation system for training in endoscopic procedures includes an endoscope apparatus, which includes an operating part with at least one valve, a control device to generate a virtual image of an endoscopic operating scene depending on an actuation of the valve and a display device to display the virtual image, the endoscope apparatus includes for example a siphoning line, an insufflation line and/or a flushing line upon which the valve acts. The simulation system includes pressure-generating means to impact the siphoning line, the insufflation line and/or the flushing line with reduced or excess pressure, sensor means to measure pressure and/or flow in the siphoning line, the insufflation line and/or the flushing line and transmission means to transmit the measured values provided by the sensor means to the control device to be used in generating the virtual image.

Abstract: A simulation system for training in endoscopic operations includes an endoscope apparatus, including at least one input for inserting an endoscopic working instrument, a sensor arrangement to detect a movement of the endoscopic working instrument, a control device to generate a virtual image of an endoscopic operation scene depending on a movement of the endoscopic working instrument, transmission means to transmit measured values supplied by the sensor arrangement to the control device for use in generating the virtual image and a display device to display the virtual image, where the sensor arrangement includes at least one optic sensor that interacts with a surface of a shaft of the endoscopic working instrument to detect the movement of the endoscopic working instrument. A flexible endoscope, an endoscopic working instrument and a method for recording a movement of an endoscopic working instrument as well as a method for training in endoscopic operations.

Abstract: A method for testing system with a light source and an imaging device for the optic investigation of an object in remitted light and fluorescent light, the imaging device positioned with respect to a reference surface within a hollow space of a test apparatus, the reference surface having an indicator area with a wavelength-dependent optical property, where the optical property essentially varies between a first focal point of a first product of a first predetermined illumination spectrum and a first predetermined transmission spectrum and a second focal point of a second product of a second predetermined illumination spectrum and a second predetermined transmission spectrum. The method includes illuminating the reference surface with illuminating light from the light source and determining which illumination spectrum and which transmission spectrum are present in an observation beam path on recording the image.

Abstract: A test apparatus for an optical investigation system, with an imaging device and a light source for optical investigation of an object in remitted light and/or fluorescent light includes a housing with a hollow space and an aperture for inserting a distal end of the imaging device into the hollow space, a reference surface with predetermined optical properties in the hollow space, at least either for remission of illuminating light directed onto the reference surface or for emission of fluorescent light, and a positioning device to hold the imaging device of the distal end of the imaging device at a predetermined position in relation to the reference surface.

Abstract: A simulation system for training in endoscopic operations includes an endoscope apparatus, including at least one input for inserting an endoscopic working instrument, a sensor arrangement to detect a movement of the endoscopic working instrument, a control device to generate a virtual image of an endoscopic operation scene depending on a movement of the endoscopic working instrument, transmission means to transmit measured values supplied by the sensor arrangement to the control device for use in generating the virtual image and a display device to display the virtual image, where the sensor arrangement includes at least one optic sensor that interacts with a surface of a shaft of the endoscopic working instrument to detect the movement of the endoscopic working instrument. A flexible endoscope, an endoscopic working instrument and a method for recording a movement of an endoscopic working instrument as well as a method for training in endoscopic operations.

Abstract: A method for testing an optical investigation system, with an imaging device, a video camera and a light source for optical investigation of an object, a reference surface with predetermined optical properties is illuminated with illuminating light from a light source. An image of the reference surface is recorded by the imaging device and the video camera. An operating condition of the video camera that prevails during the recording of the image is recorded. The functionality or another property of the investigation system is determined on the basis of the recorded operating condition.

Abstract: A method for testing an optic investigation system with a light source and an imaging device for the optic investigation of an object in remitted light and fluorescent light, where the light source is configured to generate illuminating light with a first predetermined illumination spectrum or with a second predetermined illumination spectrum, and where an observation beam path of the imaging device includes a first predetermined transmission spectrum or a second predetermined transmission spectrum, the imaging device is positioned with respect to a reference surface with an indicator area with a wavelength-dependent optical property, where the optical property essentially varies between a first focal point of a first product of a first predetermined illumination spectrum and the first predetermined transmission spectrum and a second focal point of a second product of the second predetermined illumination spectrum and the second predetermined transmission spectrum.