Abstract: An image recording method (100) and an image recording device (1) for recording a sequence of single images of a scene (3) are provided, wherein the scene (3) is illuminated using an illumination unit (4), a light intensity generated by the illumination unit (4) is characterized by an illumination variable (47), a setting of the illumination variable (47) is performed as long as a regulating reserve (19) of an optimum regulating range (39) of the exposure parameter (46) is present, and a setting of the illumination variable (47) is performed or repeated until the illumination variable (47) is within an optimum regulating range (30) of the illumination variable (47).

Abstract: The invention relates to a cover for an endoscope tip, comprising at least one optical termination element and a shaft, the termination element comprising at least one light-guiding region and at least one image-guiding region, at least one optical barrier being formed between the at least one light-guiding region and the at least one image-guiding region by at least one separation element.

Abstract: A magnetic coupling is provided having two rings that are arranged concentrically in relation to one another, which are each mounted to be rotatable in relation to one another. An arrangement of at least three magnetic dipoles is respectively arranged on both rings, the magnetic dipoles facilitating magnetic coupling of the rings and a transmission of torque from a driving ring to a driven ring of the two rings. The magnetic dipoles of the arrangements at the driven ring and/or at the driving ring is/are aligned such that two like magnetic poles, which adjoin one another on the respective other ring, are always followed by an unlike magnetic pole, and the magnetic poles adjoining one another at the respective other ring are arranged in a manner corresponding to one another such that the two rings are magnetically coupled in an equilibrium position.

Abstract: An endoscope (1) with an endoscope shaft (3) in which an illumination device (11) and a rotatably mounted image sensor (12) are arranged in a distal region (8) is provided, and includes a handle (2) in which a rotatably mounted heat sink (16) is arranged, wherein the image sensor (12) is thermally connected to the heat sink (16), for conjoint rotation therewith, via a heat transmission element (15).

Abstract: An image recording method (100) and an image recording device (1) for recording a sequence of single images of a scene (3) are provided, wherein the scene (3) is illuminated using an illumination unit (4), a light intensity generated by the illumination unit (4) is characterized by an illumination variable (47), a setting of the illumination variable (47) is performed as long as a regulating reserve (19) of an optimum regulating range (39) of the exposure parameter (46) is present, and a setting of the illumination variable (47) is performed or repeated until the illumination variable (47) is within an optimum regulating range (30) of the illumination variable (47).

Abstract: A high-frequency transmission of data between functional units, which are mounted rotatably with respect to each other, of an endoscope, is permitted in which the functional units can be electrically insulated from each other. For this, an electric connecting element which, in a central flexible portion, is rolled up transversely with respect to the direction of transmission and is fastened by its respective end portions to the functional units is provided. An uninterrupted electrical connection with consistent quality of the signal transmission can therefore be obtained even when the functional units are rotated in relation to each other. By the rolling up of the central portion to form a winding, which is preferably configured in a self-supporting manner, a long term stable rotary degree of freedom is created in a very simple manner for the connecting element, with this degree of freedom permitting complex mechanical adjustment functions in the endoscope.

Abstract: A magnetic coupling is provided having two rings that are arranged concentrically in relation to one another, which are each mounted to be rotatable in relation to one another. An arrangement of at least three magnetic dipoles is respectively arranged on both rings, the magnetic dipoles facilitating magnetic coupling of the rings and a transmission of torque from a driving ring to a driven ring of the two rings. The magnetic dipoles of the arrangements at the driven ring and/or at the driving ring is/are aligned such that two like magnetic poles, which adjoin one another on the respective other ring, are always followed by an unlike magnetic pole, and the magnetic poles adjoining one another at the respective other ring are arranged in a manner corresponding to one another such that the two rings are magnetically coupled in an equilibrium position.

Abstract: A high-frequency transmission of data between functional units, which are mounted rotatably with respect to each other, of an endoscope, is permitted in which the functional units can be electrically insulated from each other. For this, an electric connecting element which, in a central flexible portion, is rolled up transversely with respect to the direction of transmission and is fastened by its respective end portions to the functional units is provided. An uninterrupted electrical connection with consistent quality of the signal transmission can therefore be obtained even when the functional units are rotated in relation to each other. By the rolling up of the central portion to form a winding, which is preferably configured in a self-supporting manner, a long term stable rotary degree of freedom is created in a very simple manner for the connecting element, with this degree of freedom permitting complex mechanical adjustment functions in the endoscope.

Abstract: An endoscope (1) with an endoscope shaft (3) in which an illumination device (11) and a rotatably mounted image sensor (12) are arranged in a distal region (8) is provided, and includes a handle (2) in which a rotatably mounted heat sink (16) is arranged, wherein the image sensor (12) is thermally connected to the heat sink (16), for conjoint rotation therewith, via a heat transmission element (15).

Abstract: In the case of a camera module (1) including at least two camera functional units (2, 3, 4, 5, 22) arranged one behind another in a stack arrangement, it is provided to form the camera functional units (2, 3, 4, 5, 22) on a common main body (11), wherein the camera functional units (2, 3, 4, 5, 22) are aligned with respect to one another in the use position by a folding or bending process.

Abstract: In the case of a camera module (1) including at least two camera functional units (2, 3, 4, 5, 22) arranged one behind another in a stack arrangement, it is provided to form the camera functional units (2, 3, 4, 5, 22) on a common main body (11), wherein the camera functional units (2, 3, 4, 5, 22) are aligned with respect to one another in the use position by a folding or bending process.

Abstract: In the case of an optical arrangement (1) including functional units (9, 10, 11, 12) which are arranged in a stack arrangement (8) and define a first optical channel (2) and a second optical channel (3), it is provided here to form a common image sensor chip for both optical channels (2, 3) in a functional unit (12) or to separate the optical channels (2, 3) from one another by the functional units (9, 10, 11) without any gaps.

Abstract: A system for carrying out analyses on and/or with biological sample material present in a sample arrangement region of a microfluidic sample chip comprises a connector plate for receiving the sample chip and a control unit to which the connector plate is detachably connectable for exchange of fluids and electrical signals.

Abstract: A microfluidic cell for the dielectrophoretic separation, accumulation, and/or lysis of polarizable bioparticles, including an interdigital electrode system composed of two electrode groups having interdigitated electrodes, and a micromixer having microchannels and microelevations. The interdigital electrode system and the micromixer are situated on the same side of the cell to improve the separation, accumulation, and/or lysis characteristics. Moreover, also described is a microfluidic system which includes such a microfluidic cell, and use thereof, and a method for separating, accumulating, and/or lysing polarizable bioparticles.

Abstract: The present invention provides an apparatus and a method to assemble organotypical tissues which can then be perfused and investigated under preferably physiological conditions.

Abstract: A microfluidic system (12) for assembling and subsequently investigating complex cell arrangements has a three-dimensional microstructure (11) in which the cell culture is assembled, cultivated and investigated. At least two microchannel segments (16, 17) through which the microstructure (11) can be perfused from outside with a medium (21, 22) run in the microstructure (11), whereby the microchannel segments (16, 17) run at least in sections approximately parallel or equidistant to one another. The two microchannel segments (16, 17) are separated from one another by a wall structure (25) in which at least one aperture (26) connecting the two microchannel segments (16, 17) is provided. An electrode arrangement (27) is provided in or on the microstructure (11) in order to generate an inhomogeneous electric field (28) in the region of the at least one aperture (26).

Abstract: The present invention provides an apparatus and a method to assemble organotypical tissues which can then be perfused and investigated under preferably physiological conditions.

Abstract: A microfluidic cell for the dielectrophoretic separation, accumulation, and/or lysis of polarizable bioparticles, including an interdigital electrode system composed of two electrode groups having interdigitated electrodes, a flat electrode in which the interdigital electrode system and the flat electrode are situated on opposite sides of the cell in order to improve the separation, accumulation and/or lysis characteristics. Moreover, a microfluidic system which includes such a microfluidic cell, and use thereof, and a method for separating, accumulating, and/or lysing polarizable bioparticles is also described.