Abstract: Medical functional units and methods are disclosed. A medical functional unit may comprise an electrical energy supply system which includes one or more rechargeable sodium-ion batteries, where the energy supply system and the rechargeable sodium-ion batteries comprise fewer than six, fewer than five, fewer than four, fewer than three, or fewer than two of the following six protective devices: (a) charging current protection, (b) load current protection, (c) low-voltage protection, (d) overcharge protection, (e) high temperature protection, and (f) temperature-dependent load current limitation. A method for sterilizing a functional unit may comprise rechargeable sodium-ion batteries.

Abstract: The invention relates to a rotary machine comprising a stator and a rotatably mounted rotor, with one or more magnetic field sensors arranged stationary relative to the stator at a radial distance from a stationary axis, at least one measuring device which is configured to detect magnetic field changes with the aid of the aforementioned magnetic field sensors, a rotor which is configured to generate one or more electrical signals in each case, said signals having signal components which correspond to the rotor rotation frequency and to the distance between magnetic field sensor and rotor in each case, wherein a demodulator unit carries out a demodulation of signals generated by or derived from the magnetic field sensors, such that a signal is generated which corresponds to the distance between the rotor and the magnetic field sensor.

Abstract: The invention relates to a rotary machine comprising a stator and a rotatably mounted rotor, with one or more magnetic field sensors arranged stationary relative to the stator at a radial distance from a stationary axis, at least one measuring device which configured to detect magnetic field changes with the aid of the aforementioned magnetic field sensors, a rotor which is configured to generate one or more electrical signals in each case, said signals having signal components which correspond to the rotor rotation frequency and to the distance between magnetic field sensor and rotor in each case, wherein a demodulator unit carries out a demodulation of signals generated by or derived from the magnetic field sensors, such that a signal is generated which corresponds to the distance between the rotor and the magnetic field sensor.

Abstract: A component for conducting a fluid having a sensor, wherein the component comprises an inner and an outer wall, where-in the inner wall is configured to conduct the fluid, the outer wall terminates the component to the outside, and a wall region is formed between the inner and outer walls. The component in accordance with the invention is characterized in that the sensor has an electromechanical element and is arranged in the wall region at the inner wall, wherein the sensor is adapted to measure a degree of deformation of the inner wall in the region of the sensor by means of the sensor element and to output it as an electrical signal, wherein the sensor element preferably has a length and/or a width of ?50 ?m.

Abstract: The invention relates to a rotary machine comprising a stator and a rotatably mounted rotor, with one or more magnetic field sensors arranged stationary relative to the stator at a radial distance from a stationary axis, at least one measuring device which configured to detect magnetic field changes with the aid of the aforementioned magnetic field sensors, a rotor which is configured to generate one or more electrical signals in each case, said signals having signal components which correspond to the rotor rotation frequency and to the distance between magnetic field sensor and rotor in each case, wherein a demodulator unit carries out a demodulation of signals generated by or derived from the magnetic field sensors, such that a signal is generated which corresponds to the distance between the rotor and the magnetic field sensor.

Abstract: The application pertains to a blood pump system, in particular a ventricular assist device, VAD, the system including a blood pump, which comprises: a housing, including an inlet and an outlet, preferably an axial influx and a tangential outflow; a motor actuator, wherein the motor includes a plurality of motor coils (for driving an impeller); an impeller, wherein the impeller is located in the housing and includes a plurality of rotor magnets. The system further comprises a drive line; and a control unit for controlling operation of the pump, the control unit configured to: operate the motor, such that the impeller rotates around an axis; and measure the rotor position in a direction along the axis using at least one of the plurality of the motor coils.

Abstract: A component for conducting a fluid having a sensor, wherein the component comprises an inner and an outer wall, where-in the inner wall is configured to conduct the fluid, the outer wall terminates the component to the outside, and a wall region is formed between the inner and outer walls. The component in accordance with the invention is characterized in that the sensor has an electromechanical element and is arranged in the wall region at the inner wall, wherein the sensor is adapted to measure a degree of deformation of the inner wall in the region of the sensor by means of the sensor element and to output it as an electrical signal, wherein the sensor element preferably has a length and/or a width of ?50 ?m.