Abstract: The invention relates to a synthesis of cholesterol; a ring opening step of the compound of formula (I) and subsequent activation and reduction step yielding cholesterol. The inventions relates also to intermediates achieved during said synthesis.

Abstract: The invention relates to a positioning device for positioning a medical instrument relative to a patient, wherein the positioning device has a patient fastening member which is specified to fasten the positioning device to the patient, and has an instrument holder which is specified to hold the medical instrument, wherein the patient fastening member has a patient holding surface for bearing on the patient.

Abstract: The present invention relates to a method of diagnosing bladder cancer in an individual. Further, the present invention relates to a method of determining the course of bladder cancer in an individual. Furthermore, the present invention relates to a kit for diagnosing bladder cancer in an individual or determining the course of bladder cancer in an individual.

Abstract: A semiconductor layer stack, a component made therefrom, a component module, and a production method is provided. The semiconductor layer stack has at least two layers (A, B), which, as individual layers, each have an energy position of the Fermi level in the semiconductor band gap, E F - E V < E G 2 applying to the layer (A) and E L - E F < E G 2 applying to the layer (B), with EF the energy position of the Fermi level, EV the energy position of the valence band, EL the energy position of a conduction band and EL?EV the energy difference of the semiconductor band gap EG, the thickness of the layers (A, B) being selected in such a way that a continuous space charge zone region over the layers (A, B) results.

Abstract: The invention relates to a medical imaging system which repeatedly irradiates a capturing area of a patient with a radiation and acquires data from the irradiated area of the patient and generates images from such acquired data, characterized in that the system is arranged for automatic adaptive adjustment of at least one parameter of the system influencing the image quality of the generated images dependent from the position, spatial orientation and/or type of an intervention tool which is introduced into the patient.

Abstract: The present invention relates to the use of a corrosion inhibition composition for protection of metals and/or metallic surfaces from corrosion and a method for inhibition of corrosion of metallic surfaces using the corrosion inhibition composition.

Abstract: An accessory kit is provided for interventional procedures using a magnetic resonance imaging scanner. The accessory kit includes a patient support and an electrical connection adapter. The patient support has a first end proximal and a second end distal to the scanner. The distal end is configured to create a space to accommodate a clinician, such as narrowing of the distal end or at least one cutout on a side of the distal end. The electrical connection adapter interfaces with the scanner and a scanner table. The accessory kit is configured so that when the proximal end is extended into the scanner bore, the distal end extends outside the bore. The narrowed width and/or cutout(s) of the exposed distal end and the extended gap between the scanner and scanner table create space on at least one side of the patient support that a clinician may use to access a patient.

Abstract: A semiconductor layer stack, a component made therefrom, a component module, and a production method is provided. The semiconductor layer stack has at least two layers (A, B), which, as individual layers, each have an energy position of the Fermi level in the semiconductor band gap, E F - E V < E G 2 applying to the layer (A) and E L - E F < E G 2 applying to the layer (B), with EF the energy position of the Fermi level, EV the energy position of the valence band, EL the energy position of a conduction band and EL?EV the energy difference of the semiconductor band gap EG, the thickness of the layers (A, B) being selected in such a way that a continuous space charge zone region over the layers (A, B) results.

Abstract: The present invention relates to a method of diagnosing Head and Neck Squamous Cell Carcinoma (HNSCC) in an individual. In addition, the present invention relates to a method of providing a survival prognosis to an individual suffering from Head and Neck Squamous Cell Carcinoma (HNSCC). Moreover, the present invention relates to a kit for performing the above-mentioned methods.

Abstract: A semiconductor layer stack, a component made therefrom, a component module, and a production method is provided. The semiconductor layer stack has at least two layers (A, B), which, as individual layers, each have an energy position of the Fermi level in the semiconductor band gap, E F - E V < E G 2 applying to the layer (A) and E L - E F < E G 2 applying to the layer (B), with EF the energy position of the Fermi level, EV the energy position of the valence band, EL the energy position of a conduction band and EL?EV the energy difference of the semiconductor band gap EG, the thickness of the layers (A, B) being selected in such a way that a continuous space charge zone region over the layers (A, B) results.

Abstract: Cylinder arrangement (1) and method for cooling the cylinder arrangement (1) addresses a solution with which the heat transfer from a combustion chamber (6) of an internal combustion engine located in a cylinder liner (2) of the cylinder arrangement (1) into a region (7) surrounding the cylinder liner (2), such as a cylinder block or crankcase, is controlled in a temperature-dependent manner. Arrangement solves said problem by providing a jacket (9), the expansion of which changes depending on temperature, arranged between the cylinder liner (2) and the region (7) surrounding the cylinder liner (2). The method uses the cylinder liner (2) with a jacket (9), expands depending on temperature and surrounds the cylinder liner (2); jacket (9) forms a gap (10) between jacket (9) and region (7) in a first temperature range; jacket (9) forms no gap (10) between jacket (9) and region (7) in a second temperature range.

Abstract: An injector (1) for injecting fuel and an additional fluid, is provided in that the injector (1) is designed for optimal space-saving yet exhibiting a simple construction. This construction results in a precise injection of a fuel and an additional fluid into a combustion chamber of an internal combustion engine. The arrangement has two solenoid valves, the first valve (2) and the second valve (3). The second solenoid valve (3) has a second nozzle needle (9) which is arranged in the injector (1), and the first nozzle needle (7) of the first solenoid valve (2) and the second nozzle needle (9) of the second solenoid valve (3) are arranged one behind the other on a longitudinal axis (10) of the injector (1). Further, the nozzle needles (7, 9) can be controlled independently of one another.

Abstract: A semiconductor layer stack, a component made therefrom, a component module, and a production method is provided. The semiconductor layer stack has at least two layers (A, B), which, as individual layers, each have an energy position of the Fermi level in the semiconductor band gap, E F - E V < E G 2 applying to the layer (A) and E L - E F < E G 2 applying to the layer (B), with EF the energy position of the Fermi level, EV the energy position of the valence band, EL the energy position of a conduction band and EL?EV the energy difference of the semiconductor band gap EG, the thickness of the layers (A, B) being selected in such a way that a continuous space charge zone region over the layers (A, B) results.

Abstract: The invention relates to a guide device (1) for guiding and positioning a biopsy needle (100) at a puncture site (101) on the body of a patient, wherein the guide device (1) has a base (2) and a needle holder (3), on which the biopsy needle (100) is guided along the longitudinal extent of same, wherein the position of the needle holder (3) relative to the base (2) can be changed. The invention proposes that the position of the needle holder (3) relative to the base (2) can be changed in only two degrees of freedom (4, 5), wherein the biopsy needle (100) guided on the needle holder (3) always punctures the same puncture site (101) when the position of the needle holder (3) relative to the base (2) changes.

Abstract: The invention relates to a locomotion aid (1) for people with limited mobility, comprising at least one frame (1?), frame legs (2) which are connected to the frame (V) at a first end (2?) and the second ends (2?) of which are equipped with casters (3), a hip lock or a lumbar lock (8) which is connected to the frame (1?) via a return mechanism (7) and via a mounting (6), and a seat (9) with an integrated brake triggering mechanism, wherein the seat (9) interacts with the hip lock (8), the return mechanism (7), which is in the form of a spring for example, and the mounting (6) when the seat is actuated by the person such that the brake triggering mechanism (5?) can be triggered.

Abstract: The invention relates to a holding device comprising at least one locking unit (2) having at least two sockets (3), wherein the sockets (3) are designed to make it possible for joint heads (5) received in the sockets (3) to each pivot about a pivot axis, as well as to a locking unit, to a tool mount and to an instrument holder for use in magnetic resonance imaging (MRI).

Abstract: The invention relates to an optical stimulation device for stimulating nerve cells, wherein the stimulation device has at least one implant component, which is designed for implanting in a natural inner cavity of the body of a living being, through which cavity a bodily fluid flows, having the following features: a) the implant component has at least one supporting structure, which can be expanded in a radial direction for fastening in the natural inner cavity, b) a plurality of light sources is fastened to the supporting structure, which light sources are designed to emit light in the radial direction with respect to the supporting structure, c) a plurality or electrodes is fastened to the supporting structure, which electrodes are designed to capture electrical body signals, d) the supporting structure has a plurality of openings and/or channels, through which the bodily fluid can flow after implantation in the body.

Abstract: The invention relates to a locomotion aid (1) for people with limited mobility, comprising at least one frame (1?), frame legs (2) which are connected to the frame (V) at a first end (2?) and the second ends (2?) of which are equipped with casters (3), a hip lock or a lumbar lock (8) which is connected to the frame (1?) via a return mechanism (7) and via a mounting (6), and a seat (9) with an integrated brake triggering mechanism, wherein the seat (9) interacts with the hip lock (8), the return mechanism (7), which is in the form of a spring for example, and the mounting (6) when the seat is actuated by the person such that the brake triggering mechanism (5?) can be triggered.

Abstract: The invention relates to an operative assistance system (1) for a magnetic resonance tomograph (I) for displaying an entry point (IX) for an instrument on the surface of a patient (VIII), comprising at least one device (3) having at least one first holder (IV) for accommodating at least one conductor loop (III), and having a second holder (V) for accommodating at least one luminous means (II) for displaying predefinable coordinates of the entry point (IX)).

Abstract: The Invention relates to a device for monitoring at least one three-dimensional safety area, in particular a region in shared work areas of people and machines, comprising at least one capturing device that is pointed at the safety area and captures images of the safety area, and an analyzing device for analyzing the images that are captured by the capturing device in order to determine whether or not persons or objects have entered the safety area. At least one projector is arranged with respect to the safety area such that said projector projects lines or patterns as modulated light, said lines or patterns defining the safety area. The analyzing device analyzes the images for interruptions and/or changes of the projected lines.