Abstract: The present invention relates to a slit lamp unit (1) for a surgical microscope, the slit lamp unit (1) comprising a slit illumination unit (2) having a slit illumination optic for generating a slit illumination beam path (5, 6), and a guide rail (3) for displacement of the slit illumination unit (2) along a direction designated by the guide rail (3), the guide rail being embodied for displacement of the slit illumination unit (2) along a linear direction (12), and the slit illumination unit (2) being mounted on the guide rail (3) rotatably around a rotation axis (13) perpendicular to said linear displacement direction (12).

Abstract: The present disclosure relates to a microscope tube comprising at least three tube parts (31, 32, 33) and at least two rotary joints (2, 3, 4, 5), for providing a rotation capability of the tube parts (31, 32, 33) with respect to one another and around rotation axes (10, 11, 28) extending at least in part not parallel to one another, having a brake (7) for locking one of the rotary joints (3), at least one further of the rotary joints (2, 4, 5) being lockable by a coupling element (27, 37) impingeable upon by the brake (7), the coupling element (27, 37) including an angle linkage.

Abstract: A stereomicroscope (1) has two main observer's beam paths (24a, 24b) and two assistant observer's beam paths (23a, 23b) that pass through a main objective (2), such that pupils (4a, 4b; 3a, 3b) of the four beam paths are respectively formed in the objective plane, where the stereo bases (9, 10), connecting the centers of a pupil pair, of the main observer's and assistant observer's beam paths intersect at an angle, and has a device for illumination incoupling comprising an illumination deflection element (8) arranged such that illumination light is couplable simultaneously into all four observation beam paths (24a, 24b; 23a, 23b), imaginary connecting lines (12, 13) extending perpendicular to and between the axes respectively of an assistant observer's beam path and of a main observer's beam path, and the illumination deflection element arranged such that two parallel connecting lines are located in the plane of the illumination deflection element.

Abstract: The present invention relates to an illumination device (400) for a microscope (600), including at least one light source (120, 130) and a reflector (410) for providing diffuse illumination, said reflector at least partially surrounding the observation beam path (OA1) between a microscope objective (10) and an object (20) to be observed. The reflector (410) is at least partially elastic and capable of being reversibly transformed from at least a first form to at least a second form.

Abstract: A system for guiding optical elements, in particular lenses, along an optical axis of a microscope, in particular a stereomicroscope, or of a macroscope, guide system including at least one guide rod which extends parallel to the optical axis and is at least partially made from a magnetizable material, and further including a carrier for the optical elements, the carrier being displaceable along the at least one guide rod and providing magnetic attraction between itself and at least one guide rod; for providing magnetic attraction, including at least one magnetizable wheel adapted to roll along the at least one guide rod while rotating about an axis as the carrier is displaced; the at least one guide rod (312, 314) being made of magnetizable material and/or the magnetizable wheel being at least in part permanently magnetic.

Abstract: A surgical fluorescence stereomicroscope (1) for detecting and operating on fluorescing areas of an object field (7) is described, which microscope encompasses a first illumination device (2) for irradiating the object field (7) with light in an excitation wavelength region (E). The surgical fluorescence stereomicroscope (1) further encompasses an observation beam path (21) for guiding the reflected and emitted light received from the object field (7), and a first observation filter (9) in the observation beam path (21) which is transparent in the excitation wavelength region (E) and in a fluorescence wavelength region (F). According to the present invention, means (10a to 10c) for controllable attenuation in the excitation wavelength region (E) are additionally arranged in the observation beam path.

Abstract: The present invention relates to an afocal zoom system for a microscope with a shutter for controlling the depth of focus of the microscopic image produced by an object, wherein at least one shutter is disposed in front of the first lens group of the zoom system, viewed from the object, in the direction of the beam path passing through the zoom system, and/or at least one shutter is disposed on a lens group of the zoom system, the diameter of which can be varied in order to control the depth of focus, without causing vignetting of the edge beams.

Abstract: An operating microscope system (200) for ophthalmology, particularly vitrectomy, is proposed, which comprises an operating microscope (10) with a microscope illumination (15) and a wide-angle device (20) arranged on the objective side in front of the operating microscope (10), the wide-angle device (20) comprising a wide-angle lens (21) arranged on the object side of the wide-angle device (20) and a prism arrangement (22) for righting the image, arranged on the microscope side of the wide-angle lens (21), wherein the wide-angle device (20) comprises an illuminating unit (25) which is arranged so as to illuminate an object (40) arranged in front of the wide-angle lens (21) through the wide-angle lens (21) by means of an illuminating light (29).

Abstract: A flat panel light source (100) for a transillumination device of a microscope comprises a plate-shaped light guide (110) having a lower and an upper boundary surface, and at least one lateral surface (113 to 116), and having at least one light-emitting means (120, 122) arranged to radiate light into the light guide (110) from at least two different directions, via at least one lateral surface serving as a light entrance surface, such that the light propagates in the light guide (110) as a result of total reflection, the total reflection being disrupted in defined fashion, by an element (140) abutting against a contact surface at the lower boundary surface of the light guide (110), so that an outcoupling of light occurs on the upper boundary surface of the light guide (110), the planar area of the contact surface being smaller than the planar area of the lower boundary surface.

Abstract: Attachment module for a microscope, having an ophthalmoscopic lens (142; 242; 342) and an inverting device (140; 240; 340) for inverting an image of an object (143; 243; 343) that is to be observed generated by means of the ophthalmoscopic lens, wherein the inverter device comprises at least four deflection surfaces (146a, 146b, 146c; 246a, 246b, 246c; 346a, 346b, 346c, 346d) by means of which observation beam paths (102) which emanate from the object to be observed can be introduced into a main objective (110) of the microscope, at least two deflection surfaces being planar and at least two further deflection surfaces being non-planar, particularly spherical or in the shape of free-form surfaces.

Abstract: A microscope (1) having a principal observer's beam path (2a) and an assistant's beam path (3a, 3b), and having an optical beam splitter device (5, 15) for generating a documentation beam path (4), where the beam splitter device (5, 15) in a first position outcouples the documentation beam path from the principal observer's beam path (2a), and in a second position outcouples it from the assistant's beam path (3b).

Abstract: The present invention relates to a microscope stand (11), in particular a stand for a surgical microscope, including a pivot support (12) and a mount (22) for mounting the microscope (16) to the microscope stand (11). The mount (22) is supported about a first axis of rotation (23) so that it is rotatable relative to pivot support (12) and capable of being braked, the mount being connected via braking force transmission means (30) to a brake (26), which defines a second axis of rotation (27) extending parallel to first axis of rotation (23). The braking force transmission means (30) include two transfer levers (31; 36), whose two ends (32, 33; 37, 38) are connected without play to the mount (22) and the brake (26), respectively, by respective pivot points (41, 46, 51, 56), which are radially spaced apart from their respective axes of rotation (23, 27).

Abstract: The present invention relates to an Illuminating device for an operating microscope in ophthalmic surgery, having at least one light source (151), at least one lens (152, 155), at least one luminous field diaphragm (153), and at least one optical deflector (156), wherein in order to provide an illumination beam path (119) light from the light source (151) is guided through a main objective (107) which is disposed between the deflector (156) and an eye (180) that is to be observed, and on to the eye that is to be observed, wherein a device (154) that can be introduced into the illumination beam path (119) for acting upon the illumination beam path (119) with a structure that comprises transparent and non-transparent or opaque regions such that this structure can be imaged on or close to the retina (180b) of the eye (180) that is to be observed.

Abstract: The present invention relates to an adjustable stand having a first arm (104) that is rotatable about a first rotation axis (102a), and a second arm (106) that is attached articulatedly at one end of the first arm (104), a mounting apparatus (110) being provided at the distal end of the second arm (106), further having a compensation mass (120, 130) operatively connected to the first arm (104), the compensation mass (120, 130) being provided at least partly displaceably back and forth along an axis (200) that is directed toward the first rotation axis (102a).

Abstract: The invention relates to a stand (10) for holding at least one medical device (W1 to W3), which encompasses a stand foot (6) having multiple casters (16) for displacement of the stand (10). The stand (10) has a sensor unit (22) for ascertaining a displacement motion of the stand (10), a drive unit (18) for driving at least one of the casters (16), and a control unit (20) for controlling the drive unit (18). The control unit (20) applies control to the drive unit (18) in such a way that the latter assistively drives the at least one caster (16) only when the sensor unit (22) detects a displacement motion of the stand (10).

Abstract: The present invention relates to an adjustable stand having a first arm (104) and a second arm (106), the second arm (106) being articulatedly connected to the first arm (104), a first compensation weight (120) having a first mass being provided on the first arm (104), and a second compensation weight (130) having a second mass being provided on the second arm (106), the first and the second compensation weight (120, 130) each being provided with modifiable masses, an increase or decrease in the mass of the first compensation weight (120) being accompanied by a corresponding respective decrease or increase in the mass of the second compensation weight (130).

Abstract: The present invention relates to a microscope apparatus (100) comprising an operating microscope (20), a magnetic resonance or MR apparatus (30), a stand (10) that carries the operating microscope (20) and the MR apparatus (30), at least one detector (14) for determining the spatial position of the MR apparatus (30) relative to the operating microscope (20), a reflecting device (23) for reflecting an image obtained using the MR apparatus (30) into at least one observation beam path of the operating microscope (20), a computer unit (40) which is connected to the at least one detector (14) and is arranged so as to determine the spatial position of the MR apparatus (20) relative to the operating microscope (30), the computer unit (40) being connected to the reflecting device (23) and to the MR apparatus (30) and being arranged so as to provide the image that is to be reflected in for the reflecting device (23) on the basis of the spatial position determined for the MR apparatus (30) relative to the operating

Abstract: The present invention relates to a system for displaying stereoscopic microscope images, including a display screen (130) and a computer device (120) for computing or providing stereoscopic images from monoscopic images. The computer device (120) has an evaluator configured to evaluate the stereoscopic perceptibility of the computed or provided stereoscopic images and, in case that it is determined that at least one region of a stereoscopic image cannot be stereoscopically perceived, for replacing the computed or provided stereoscopic image with a monoscopic image in this region.

Abstract: The present invention relates to a special-illumination surgical stereomicroscope (1) for observing an object (6) in an object field (15) under special illumination, the special-illumination surgical stereomicroscope including a surgical illumination light source (7; 7a) for illuminating the object field (15) via an illumination beam path (11) and further including a special-illumination light source. The special-illumination light source is adapted for observation of stimulated emission and includes an excitation light source (8a) for specific excitation of a substance contained in the tissue of the object (6) via an excitation beam path (12a), and a stimulation light source (8b) for stimulating the emission of light from the previously excited substance via a stimulation beam path (12b). A common observation beam path (14) is provided for guiding the light generated by stimulated emission and the reflected surgical illumination light.

Abstract: The present invention relates to an attachment module (100) for a surgical microscope (10), the attachment module (100) being insertable into a main optical path between an objective (11) of the surgical microscope and an object (O) being observed, and including: a multi-photon fluoroscope (110) including a light source (111) for emitting excitation light, a scanning device (112) for directing the excitation light onto the object (O), and a detector (113) for detecting fluorescent light emitted from the object (O); and input coupling optics (120) for reflecting the excitation light from the scanning device onto the object (O).