Abstract: The invention relates to an imager, particularly for detecting X-rays, having a sensor sensitive to radiation. The sensor is enclosed in a housing comprising a radiation-permeable inlet window and a cable outlet for a cable arrangement coupled to the sensor. The inlet window comprises a fiber insert embedded in a plastic matrix. The invention is used for imaging methods.

Abstract: An X-ray image memory unit includes a plurality of memory film pieces which can be moved between a recording configuration, in which they are situated one behind the other, and a scan configuration, in which they are individually accessible to reading light.

Abstract: A suction device for dental, medical and industrial purposes is described which includes a radial fan with a suction side and a delivery side. An air outlet of a centrifugal separator is connected to the suction side of the radial fan. At least one drive motor controlled by a control unit, and in the form of a rotating electric motor, drives the radial fan and the centrifugal separator. A fan drive motor and a separator drive motor are arranged, uncoupled in terms of rotation, one behind the other on a common shaft fixed to the housing. The respective stators are supported by the common shaft. The rotating parts of the radial fan are fixedly connected to the rotor of the fan drive motor, and the rotating parts of the centrifugal separator are fixedly connected to the rotor of the separator drive motor and are mounted so as to rotate coaxially with respect to the shaft fixed to the housing.