Abstract: A hand instrument, comprising: a tool-holding device for fastening a treatment tool on the hand instrument, a driveshaft for transmitting a driving movement to the tool-holding device and a stroke gear which is designed to induce the tool-holding device in a stroke movement. According to a first embodiment the hand instrument further has a rotary gear which is designed to induce the tool-holding device to a rotational movement, wherein a drive-side element of the rotary gear and a drive-side element of the stroke gear are arranged jointly on the driveshaft. According to a second embodiment the drive-side element of the stroke gear is designed such, that in a complete revolution of the drive-side element of the stroke gear the tool-holding device runs through more than a double stroke. According to another embodiment the drive-side element of the stroke gear is disposed concentrically around an axis of rotation of the driveshaft.

Abstract: Various medical or dental handpieces having at least one coil for inductive coupling with a second coil and methods for using these handpieces for the transmission of at least one of power, operational data and identification data are described. Also various tool-holding/releasing devices for medical or dental handpieces are described, having at least one shaped element penetrating through a bore in a hollow shaft for accommodating a tool and protruding through the bore into the hollow shaft, a movably arranged locking sleeve cooperating with the shaped element and an operating element for moving the locking sleeve. Some of these tool-holding/releasing devices allow the insertion of the tool into the hollow shaft with different insertion depths.

Abstract: A medical or dental handle for driving a medical instrument, comprises a housing with a drive device accommodated therein and/or a supply line for a drive device, a first connection device for detachably connecting a medical or dental instrument and a second connection device for detachably connecting the handle to a media source and/or a drive unit, at least one electric component preferably comprising a light-emitting diode, at least one electric contact and an electric connecting device, which connect electrically the at least one electric component and the at least one electric contact, wherein the electric connecting device comprises a flexible circuit board in the interior of the handle.

Abstract: An anode with a linear main direction of extent for an x-ray device, has an anode body and a focal track layer, which is connected to the anode body in a material-bonding manner on a focal track layer volume portion of the anode body. At least one cooling channel for the cooling of the anode body and the focal track layer is arranged in the interior of the anode body and at least the focal track layer volume portion is formed of a material with at least a basic matrix of refractory metal. The focal track layer volume portion extends as far as to the cooling channel.

Abstract: A lighting module may include at least one light source, and an identification element that identifies the supply current required by the light source, wherein the identification element includes a first terminal and a second terminal for connection to an electronic converter. In particular, the identification element includes at least one shunt regulator configured for limiting the voltage across the first terminal and the second terminal to a maximum threshold voltage, wherein the maximum threshold voltage identifies the supply current required by the light source.

Abstract: A hand instrument, comprising: a tool-holding device for fastening a treatment tool on the hand instrument, a driveshaft for transmitting a driving movement to the tool-holding device and a stroke gear which is designed to induce the tool-holding device in a stroke movement. According to a first embodiment the hand instrument further has a rotary gear which is designed to induce the tool-holding device to a rotational movement, wherein a drive-side element of the rotary gear and a drive-side element of the stroke gear are arranged jointly on the driveshaft. According to a second embodiment the drive-side element of the stroke gear is designed such, that in a complete revolution of the drive-side element of the stroke gear the tool-holding device runs through more than a double stroke. According to another embodiment the drive-side element of the stroke gear is disposed concentrically around an axis of rotation of the driveshaft.

Abstract: A lighting module may include at least one light source, and an identification element that identifies the supply current required by the light source, wherein the identification element includes a first terminal and a second terminal for connection to an electronic converter. In particular, the identification element includes at least one shunt regulator configured for limiting the voltage across the first terminal and the second terminal to a maximum threshold voltage, wherein the maximum threshold voltage identifies the supply current required by the light source.

Abstract: A medical or dental handpiece includes a tool holding/releasing device with a hollow shaft, a first holding unit and a second holding unit. The hollow shaft can be put into a drive motion for holding a treatment tool. The hollow shaft extends along a central axis and has a tool receptacle opening. The second holding unit is separate from the first holding unit and axially offset from the first holding unit relative to the central axis. Both holding units are designed to axially secure a treatment tool held in the hollow shaft and to transmit a torque to the treatment tool. Both holding units have at least one shaped element each and a bore penetrating the outer wall of the hollow shaft. The shaped element can be held in such a way that it projects through the bore into the interior of the hollow shaft. A locking sleeve is operatively connected to the shaped elements and can move relative to the hollow shaft.

Abstract: An anode with a linear main direction of extent for an x-ray device, has an anode body and a focal track layer, which is connected to the anode body in a material-bonding manner on a focal track layer volume portion of the anode body. At least one cooling channel for the cooling of the anode body and the focal track layer is arranged in the interior of the anode body and at least the focal track layer volume portion is formed of a material with at least a basic matrix of refractory metal. The focal track layer volume portion extends as far as to the cooling channel.

Abstract: A medical or dental treatment device for use in an oral or dental procedure, comprises a base part with a power supply unit and an electrical or electronic control device and a set of different parts for use with the base part. The set of different parts comprises at least one delivery part for a first treatment phase and comprising a sound or ultrasound source, a movable piston and a piston operating element operable to deliver a substance from the delivery part to a treatment site, and at least one active part for use in a second treatment phase to act on the treatment site. The active part comprises a sound source, an ultrasound source and/or an electromagnetic radiation source. The delivery part and the active part are selectively connectible to the base part for use in consecutive treatment phases (the first can precede or follow the second).

Abstract: Medical handpieces for dispensing filling material are disclosed. Some handpieces comprise a connection device for a filling material container, a vibration unit for the generation and transmission of vibrations to the filling material and a conveying device for conveying filling material from the container. The vibration unit comprises a vibration exciter and a sonotrode, wherein the sonotrode and the connection device are movable relatively to each other for conveying filling material from the filling material container. In addition handpieces are described for dispensing filling material, the vibration unit of which is operable in an automated operating mode for pulsed power output on the filling material.

Abstract: Embodiments of a medical hand-grip element for injection of a substance from an ampoule, comprise a drive device for driving the ampoule and the injection needle, a delivery device for delivering the medicinal substance out of the ampoule and a coupling device for rotationally fixed coupling of the ampoule with the injection needle and for preventing a relative movement between the ampoule and the injection needle is disclosed. Embodiments of injection systems, injection units, injection needles and handling methods for them are also disclosed in which the risk of injury and contamination for the user is reduced by providing approaches for covering the ends of the cannulas of the injection needles during a number of handling steps.

Abstract: The invention relates to a sensor device (4) for measuring a direction of incident flow (2) with which a flowing medium flows against the sensor device (4), having a flow body (1) which is set up to have the flowing medium flow around it, the flow body (1) having a plurality of pressure-sensitive or force-sensitive sensor elements (3) which are arranged on the outer surface of the flow body (1) or are arranged in the flow body (1) and are connected to the outer surface of the flow body (1), and the sensor elements (3) being arranged behind one another along the intended course (30) of the flow around the flow body (1). The invention also relates to an evaluation device for such a sensor device.

Abstract: A medical or dental handle for driving a medical instrument, comprises a housing with a drive device accommodated therein and/or a supply line for a drive device, a first connection device for detachably connecting a medical or dental instrument and a second connection device for detachably connecting the handle to a media source and/or a drive unit, at least one electric component preferably comprising a light-emitting diode, at least one electric contact and an electric connecting device, which connect electrically the at least one electric component and the at least one electric contact, wherein the electric connecting device comprises a flexible circuit board in the interior of the handle.

Abstract: There is disclosed a medical or dental hand-piece element comprising a coupling mechanism for a detachable connection of the hand-piece element to a drive unit, a tool receptacle that is or can be connected to the hand-piece element, and a drive element for transmitting a driving movement from the drive unit to the tool receptacle so that the tool receptacle can be set into a working movement, wherein the drive element comprises at least one rotatable shaft, and a generator for converting mechanical energy into electric energy, wherein the generator can be driven by the at least one rotatable shaft of the drive element.

Abstract: An X-ray anode includes a coating and a support body. In addition to a strength-imparting region, the support body has a region formed of a diamond-metal composite material. The diamond-metal composite material is formed of 40 to 90% by volume diamond particles, 10 to 60% by volume binding phase(s) formed of a metal or an alloy of the metals of the group consisting of Cu, Ag, Al and at least one carbide of the elements of the group consisting of Tr, Zr, Hf, V, Nb, Ta, Cr, Mo, W, B, and Si. The highly heat-conductive region can be form-lockingly connected at the back to a heat-dissipating region, for example formed of Cu or a Cu alloy. The X-ray anode has improved heat dissipation and lower composite stress.

Abstract: The invention relates to a sensor device (4) for measuring a direction of incident flow (2) with which a flowing medium flows against the sensor device (4), having a flow body (1) which is set up to have the flowing medium flow around it, the flow body (1) having a plurality of pressure-sensitive or force-sensitive sensor elements (3) which are arranged on the outer surface of the flow body (1) or are arranged in the flow body (1) and are connected to the outer surface of the flow body (1), and the sensor elements (3) being arranged behind one another along the intended course (30) of the flow around the flow body (1). The invention also relates to an evaluation device for such a sensor device.

Abstract: A medical or dental handpiece comprising a tool holding/releasing device with a hollow shaft that can be put into a drive motion for holding a treatment tool, wherein the hollow shaft extends along a central axis and has a tool receptacle opening, a first holding unit and a second holding unit separate from the first holding unit and axially offset from the first holding unit relative to the central axis, wherein both holding units are designed to axially secure a treatment tool held in the hollow shaft and to transmit a torque to the treatment tool, and wherein both holding units have at least one shaped element each and a bore penetrating the outer wall of the hollow shaft, in which the at least one shaped element can be held in such a way that it projects through the bore into the interior of the hollow shaft, a locking sleeve operatively connected to the shaped elements that can move relative to the hollow shaft and that surrounds the hollow shaft and an operating element operatively connected to the lock

Abstract: An electronic operating device for a gas discharge lamp having a voltage transformer which converts an input voltage into an intermediate circuit voltage, and an inverter with a lamp inductor and a bridge circuit with at least two switches which converts the intermediate circuit voltage into a lamp voltage, the operating device being designed to adjust the intermediate circuit voltage present between the DC voltage transformer and the inverter to a predetermined value which is dependent on the lamp state. Also disclosed is a method for operating an operating device.

Abstract: A medical or dental treatment device for dispensing a medium having a base part with a power supply unit and an electrical or electronic control device and at least one delivery part that can be connected detachably to the base part via a coupling device and which has a sound source, such as an ultrasound source, and a delivery device for dispensing the medium from the delivery part. In addition, at least one active part, which can be connected detachably to the base part via the coupling device, may also be provided.