Abstract: A control device for an illuminant having at least two semiconductor light sources and connectable to an electrical energy source, for converting an electrical power provided by the electrical energy source, by the semiconductor light sources, into an emitted light power dependent on the electrical power provided is disclosed. The semiconductor light sources are connected to the control device, and the control device is designed to set the electrical power provided by virtue of the control device including a clock generator designed to apply electrical power to the semiconductor light sources in clocked operation and to control said semiconductor light sources in accordance with clock pulse sequences individually assigned to the semiconductor light sources. The clock generator is designed to form a common pulse pattern from the clock pulse sequences and to set the light power emitted by the illuminant by selecting a pulse pattern assigned to the light power.

Abstract: A method of bone fixation comprises the steps of implanting at least one first fixation element into a respective first anatomical body such that a portion of the first fixation element extends out from an exterior surface of the first anatomical body, and implanting at least one second fixation element into a respective second anatomical body that is adjacent the first anatomical body, such that a portion of the second fixation element extends out from an exterior surface of the second anatomical body. A hardenable material is applied to the portion of each of the fixation elements that extends out from the exterior surface of the respective anatomical body when the hardenable material is in an unhardened state. The hardenable material is hardened such that the hardenable material forms a hardened construct together with the bone fixation elements that bridges the anatomical bodies.

Abstract: A heat exchanger may include input-side and output-side tube plates and tubes supported therein, forming a first flow duct for a first medium. A housing may surround the tube plates and the tubes, forming a second flow duct for a second medium running between the tubes in the housing. The heat exchanger may further include at least one turbulence-generating insert arranged in the second flow duct between the tubes, the insert having ducts with permeable side walls for the second medium, and at least one dividing wall duct having closed side walls and being spaced apart at least at one longitudinal end from the housing. The at least one dividing wall duct may be designed to be open at both longitudinal ends, may be produced by a compression process, and may have a rising first flank and a second flank engaging below the second flank.

Abstract: A method of bone fixation comprises the steps of implanting at least one first fixation element into a respective first anatomical body such that a portion of the first fixation element extends out from an exterior surface of the first anatomical body, and implanting at least one second fixation element into a respective second anatomical body that is adjacent the first anatomical body, such that a portion of the second fixation element extends out from an exterior surface of the second anatomical body. A hardenable material is applied to the portion of each of the fixation elements that extends out from the exterior surface of the respective anatomical body when the hardenable material is in an unhardened state. The hardenable material is hardened such that the hardenable material forms a hardened construct together with the bone fixation elements that bridges the anatomical bodies.

Abstract: Instrumentation and methods are provided for upper jaw correction surgery. The application discloses an orthopedic system and method that can be used to perform both a first distraction (for example a maxillary distraction) and a second distraction (for example a maxillary expansion) within the same surgical procedure. The instrumentation for separating first and second bone segments can include a first footplate; a second footplate; an actuator arranged to vary a distance between the first and second footplates; and a hinge that rotatably attaches the first and second footplates such that the first and second footplates can be angularly adjusted relative to each other about a pivot axis. Additionally, instrumentation and methods are provided for a hinged fixation device capable of securing and adjusting both the linear separation and angular orientation of bone structures.

Abstract: A catheter guiding device includes a bolt including a shaft configured to be inserted within a hole drilled in a bone and a passageway extending longitudinally therethrough along a bolt axis and a guide member received within the passageway of the bolt and extending longitudinally along a guide axis. The guide member includes a guide channel extending therethrough along the guide axis, wherein, in a first configuration, the guide member is arrangeable to a desired position relative to the bolt to align the guide axis with a target area and, in a second configuration, the guide member is fixed in the desired position relative to the bolt such that the guide axis is at a desired angle relative to the bolt axis within a permitted range of angulations.

Abstract: A system for achieving maxillo-mandibular fixation includes a bone fixation device including a bone fixation body formed from a plurality of links. The links define corresponding crests and valleys so as to impart flexibility into the bone fixation body. Thus, the bone fixation body can be aligned with the dental arch of the mandible and maxilla as necessary, and subsequently fastened to the underlying bone. Each bone fixation device includes at least one securement location on the fixation body that can attach to a securement device, such that the securement device fixes or stabilizes the mandible and the maxilla with respect to each other.

Abstract: A system for achieving maxillo-mandibular fixation includes a bone fixation device including a bone fixation body formed from a plurality of links. The links define corresponding crests and valleys so as to impart flexibility into the bone fixation body. Thus, the bone fixation body can be aligned with the dental arch of the mandible and maxilla as necessary, and subsequently fastened to the underlying bone. Each bone fixation device includes at least one securement location on the fixation body that can attach to a securement device, such that the securement device fixes or stabilizes the mandible and the maxilla with respect to each other.

Abstract: A method for adjusting the color point of a lighting unit including semiconductor-based lasers for generating an RGB signal. The method may include supplying at least one component of the RGB signal to a sensor via a filter; and actuating at least one of the semiconductor-based lasers by means of a signal detected by the sensor.

Abstract: A heat exchanger, especially a charge-air cooler or exhaust-gas cooler, with a tube-to-tubesheet sub-assembly, in which tubes are inserted in a sealed manner by their ends into openings of two oppositely-disposed tubesheets, wherein at least one region of a housing is arranged between the two tubesheets and encompasses and outwardly seals the tubes of the sub-assembly, wherein the two tubesheets have two sides extending parallel to each other and adjoining an end region of the tubes in each case, and on which is arranged in each case a housing section which is connected to the housing, wherein on at least one of the tubesheets a seal is arranged with sealing effect between the housing and this tubesheet and/or between this tubesheet and the housing section which is arranged on this tubesheet.

Abstract: A method of bone fixation comprises the steps of implanting at least one first fixation element into a respective first anatomical body such that a portion of the first fixation element extends out from an exterior surface of the first anatomical body, and implanting at least one second fixation element into a respective second anatomical body that is adjacent the first anatomical body, such that a portion of the second fixation element extends out from an exterior surface of the second anatomical body. A hardenable material is applied to the portion of each of the fixation elements that extends out from the exterior surface of the respective anatomical body when the hardenable material is in an unhardened state. The hardenable material is hardened such that the hardenable material forms a hardened construct together with the bone fixation elements that bridges the anatomical bodies.

Abstract: The present invention relates to a heat exchanger for controlling the temperature of a first fluid using a second fluid, wherein the heat exchanger has a base for separating the first fluid from the second fluid, said base having a sealing region. Furthermore, the heat exchanger has a partition for separating the first fluid from the second fluid, wherein the at least one partition is connected in a fluid-tight manner to the base, wherein the at least one partition forms a fluid duct for the first fluid. Furthermore, the heat exchanger has a housing. In the sealing region between the base and the housing, there is arranged a sealing element which is pressed in a fluid-tight manner against the base and against the housing.

Abstract: The invention relates to a stacked plate heat exchanger, comprising a plurality of elongate plates which are stacked on one another and connected to one another and which have a corrugated profile, which plates have a cavity for leading through a medium to be cooled in the longitudinal direction of the plates and define a further cavity for leading through a coolant, wherein leadthrough openings for supplying or discharging the medium to be cooled or the coolant are formed approximately in the end regions of each elongate plate and each elongate plate is surrounded by a bent-off edge, wherein an nth corrugation of the corrugated profile of each plate is drawn close to the edge, preferably into the edge, whereas the other corrugations of the corrugated profile of the plate terminate before the edge, where n=2, 3, 4 etc.

Abstract: A method of bone fixation comprises the steps of implanting at least one first fixation element into a respective first anatomical body such that a portion of the first fixation element extends out from an exterior surface of the first anatomical body, and implanting at least one second fixation element into a respective second anatomical body that is adjacent the first anatomical body, such that a portion of the second fixation element extends out from an exterior surface of the second anatomical body. A hardenable material is applied to the portion of each of the fixation elements that extends out from the exterior surface of the respective anatomical body when the hardenable material is in an unhardened state. The hardenable material is hardened such that the hardenable material forms a hardened construct together with the bone fixation elements that bridges the anatomical bodies.

Abstract: A method for reconstruction of a resectioned portion of a bone includes connecting a first link to a second link through a flexible connection to form an elongated linkage that extends along a substantially longitudinal direction, providing a flexible connector configured to work in tandem with the flexible connection to adjust the first and second links relative to each other to adapt to a shape of the bone in at least one of a directional orientation about an axis that extends in the vertical direction and an angular orientation about an axis that extends in the longitudinal direction, and providing a locking member configured for insertion through the aperture, wherein the locking member is configured to apply a biasing force to the connector and inhibit adjustment of the at least one of the directional orientation and the angular orientation of the first link relative to the second link.

Abstract: A catheter guiding device includes a bolt including a shaft configured to be inserted within a hole drilled in a bone and a passageway extending longitudinally therethrough along a bolt axis and a guide member received within the passageway of the bolt and extending longitudinally along a guide axis. The guide member includes a guide channel extending therethrough along the guide axis, wherein, in a first configuration, the guide member is arrangeable to a desired position relative to the bolt to align the guide axis with a target area and, in a second configuration, the guide member is fixed in the desired position relative to the bolt such that the guide axis is at a desired angle relative to the bolt axis within a permitted range of angulations.

Abstract: Various embodiments relate to a projection device for projecting useful data onto a projection surface. In this case, a first laser device generates radiation having a first wavelength and a second laser device generates radiation having a second wavelength. The spots of the respective beams are detected by a sensor device and fed to a drive device for the laser devices. Said drive device temporally shifts the drive signals relative to one another in such a way that a horizontal distance between the spots is minimized. Various embodiments furthermore relate to a corresponding method for projecting useful data.

Abstract: A bone reconstruction device (100, 200, 300) is provided that includes an elongated linkage (102, 202, 302) having a plurality of links (104, 204, 304). The reconstruction device further includes an adjustment assembly (120, 220, 320) that provides for adjustment of the directional and/or angular orientation of the links. The reconstruction device further includes a locking assembly (122, 222, 322) that is movable between a disengaged configuration and an engaged configuration. In the disengaged configuration, the adjustment assembly can be actuated to adjust the orientation of the links. In the engaged confirmation, the locking assembly inhibits adjustment of the orientation of the links.

Abstract: A method for projecting at least one light beam may include lengthening at least in part a holding duration for at least one pixel with respect to at least one further pixel.

Abstract: In various embodiments, a method for projecting at least one light beam is provided. The method may include providing at least one light beam; and setting a time base of a processor configured to control the at least one light beam as a function of a deflection of the at least one light beam.