Abstract: A medical, in particular dental, diagnostic device having means for image capture and a hand piece that has a window located in the optical path of the means for image capture, wherein there are means for heating the window formed by a resistance heater.

Abstract: The invention relates to an intra-oral camera having an imaging system for depicting the object located in front of an observation window of the camera on a recording unit, wherein the imaging system has at least one focusing unit for setting a suitable focus and an aperture unit for forming a variable aperture. The setting of the aperture is carried out independently of the focus adjusted by the focusing unit.

Abstract: The invention relates to an intra-oral camera having an imaging system for depicting the object located in front of an observation window of the camera on a recording unit, wherein the imaging system has at least one focusing unit for setting a suitable focus and an aperture unit for forming a variable aperture. The setting of the aperture is carried out independently of the focus adjusted by the focusing unit.

Abstract: A device to suction fuel from a fuel injector and a device to attach a fuel return line to a fuel injector with a C-shaped main body partially encircling the fuel injector having two retaining arms which abut the fuel injector and grip it from the back at least to a small degree, with a connector coacting with a drain passage of the fuel injector and at least one connecting fitting for the fuel return line. The connecting fitting and the connector are electrically connected. The free ends of the retaining arms have a first section in which they are angled towards each other and towards the base of the main body.