Abstract: The present invention relates to a method for preparing an X-ray image, which can be carried out by an X-ray machine, of at least one surface and/or volume area of at least one part of at least one head of at least one patient. The invention also relates to a corresponding device for data processing, a corresponding computer program product, a corresponding medium and a corresponding X-ray machine. The invention also relates to a method for taking an X-ray image which can be carried out by an X-ray machine of at least one surface and/or volume area of at least one part of at least one head of at least one patient.

Abstract: The invention relates to a dental x-ray imaging system for producing intraoral x-ray images, in particular of dental patient tissue, with the aid of an intraoral x-ray sensor, which can be placed in the oral cavity in the beam path of an x-ray emitter positioned outside the oral cavity, wherein the x-ray imaging system is configured to record two or more temporally sequential individual x-ray images and to create an overall x-ray image from said individual images in such a way that the results of the exposures of the x-ray images are combined and a motion occurring between and/or during the sequential individual x-ray images is compensated.

Abstract: The present invention relates to a measurement and data communication device (10) for use in or with an intraoral dental radiology system (100) comprising: an x-ray data management unit (20) having a first communication means (21) for retrieving at least x-ray exposure data, and a processing means (22) for processing at least the retrieved data; an intraoral x-ray generation unit 30) having an x-ray source (31) for exposing at least part of a patient jaw with x-rays; and an intraoral x-ray acquisition unit (40) having a first x-ray sensor (41) for acquiring x-ray image data of at least part of the patient jaw; said device (10) characterized by comprising: a measurement unit (11) for measuring features related to the x-rays used for exposing at least part of the patient, wherein the measurement unit (11) is arranged between the x-ray source (31) and the patient; and a second communication means (12) for transmitting the x-ray exposure data which includes the measured features to the x-ray data management unit

Abstract: The invention relates to a device and a method for generating a panoramic layer image (1, 2) of an object (3) to be imaged, by employing a 2D panoramic X-ray device, wherein the object is imaged by projecting X-rays (6) generated by an X-ray source (7) through the object (3) in a projection direction (8) and recording said X-rays (6) with an X-ray detector (9), wherein several 2D X-ray projection images are continuously recorded from various imaging directions while the X-ray source (7) and the X-ray detector (9) move around the object (3), wherein at least one panoramic layer image (1, 2) is calculated from the recorded 2D X-ray projection images by means of a reconstruction method. The panoramic layer image (2) is calculated by selecting and employing at least one partial area (50, 52, 55, 57, 65) from at least two 2D X-ray projection images (51) in relation to an active sensor area (73).

Abstract: The present invention relates to an apparatus (20) for real-time visualizing a movement of a lower jaw (12) versus an upper jaw (14) in a craniomaxillofacial area (16) of a patient (18) in dental diagnostics, comprising: an input interface (32) for receiving a two-dimensional image signal (26) of the craniomaxillofacial area of the patient from a camera (40) and a three-dimensional jaw model (28) of the craniomaxillofacial area of the patient being precalculated based on volume data; a registration unit (34) for registering the three-dimensional jaw model with the two-dimensional image signal in a first jaw position of the lower jaw versus the upper jaw and in a second jaw position of the lower jaw versus the upper jaw; an imaging unit (36) for generating a two-dimensional depth-view (30) of the craniomaxillofacial area from the three-dimensional jaw model based on the conducted registrations and the two-dimensional image signal, said two-dimensional depth-view including a structure underlying an image area o

Abstract: The invention relates to a dental x-ray imaging system for producing intraoral x-ray images, in particular of dental patient tissue, with the aid of an intraoral x-ray sensor, which can be placed in the oral cavity in the beam path of an x-ray emitter positioned outside the oral cavity, wherein the x-ray imaging system is configured to record two or more temporally sequential individual x-ray images and to create an overall x-ray image from said individual images in such a way that the results of the exposures of the x-ray images are combined and a motion occurring between and/or during the sequential individual x-ray images is compensated.

Abstract: The present invention relates to a method for preparing an X-ray image, which can be carried out by an X-ray machine, of at least one surface and/or volume area of at least one part of at least one head of at least one patient. The invention also relates to a corresponding device for data processing, a corresponding computer program product, a corresponding medium and a corresponding X-ray machine. The invention also relates to a method for taking an X-ray image which can be carried out by an X-ray machine of at least one surface and/or volume area of at least one part of at least one head of at least one patient.

Abstract: In a method for image enhancement of image data of a dental image generation system, comprising a first image generating unit (205, 210) for producing two-dimensional image data and a second image generating unit (250, 255) for producing three-dimensional image data, wherein for an object to be examined (220, 222) the image generation system provides both two-dimensional image data and three-dimensional image data, it is in particular provided that the two-dimensional image data and the three-dimensional image data are merged in such a way that the image quality and/or the information content of the two-dimensional image data or of the three-dimensional image data is improved.

Abstract: In a method for image enhancement of image data of a dental image generation system, comprising a first image generating unit (205, 210) for producing two-dimensional image data and a second image generating unit (250, 255) for producing three-dimensional image data, wherein for an object to be examined (220, 222) the image generation system provides both two-dimensional image data and three-dimensional image data, it is in particular provided that the two-dimensional image data and the three-dimensional image data are merged in such a way that the image quality and/or the information content of the two-dimensional image data or of the three-dimensional image data is improved.

Abstract: The invention relates to an X-ray emitter 1 comprising an X-ray tube 2 disposed in an oil-tight housing 3 containing a high-tension transformer 2.1, wherein an electrical supply line 4 for the heater voltage for X-ray tube 2 is provided, which is led through the housing 3. Read-out and storage electronics 5 including a microcontroller 5.4 and a data storage device 5.2 are provided on or in the housing 3, and at least one period of operation of the X-ray tube 2 can be acquired and stored in the data storage device 5.2 by means of the read-out and storage electronics 5.

Abstract: The invention relates to an X-ray emitter 1 comprising an X-ray tube 2 disposed in an oil-tight housing 3 containing a high-tension transformer 2.1, wherein an electrical supply line 4 for the heater voltage for X-ray tube 2 is provided, which is led through the housing 3. Read-out and storage electronics 5 including a microcontroller 5.4 and a data storage device 5.2 are provided on or in the housing 3, and at least one period of operation of the X-ray tube 2 can be acquired and stored in the data storage device 5.2 by means of the read-out and storage electronics 5.

Abstract: A small dental X-ray apparatus has an X-ray emitter 3 fixed to a cantilever 2, which X-ray emitter 3 can be manually adjusted in space relatively to a basic position by means of the cantilever 2. Means 14, 16, 18 are provided for the acquisition of the position and alignment of said X-ray emitter (3) in space. The method serves to automatically detect deviation of an actual position in space from a target position in space, which deviation is indicated by signalling elements 25 and the operator is informed on the quality of the actual position and on the direction of a change in the actual position which may be required to acquire an improved position.

Abstract: An arrangement for positioning an X-ray machine, with an input and an output device, for interactive control, with a memory region, in which digitised X-ray images and X-ray machine data are stored, an interface, by means of which information is exchanged with the X-ray machine, a pointing device for selecting regions in digitized X-ray images, a processing unit, which carries out calculations based on the digitized X-ray images, the associated X-ray machine data and the selected region, in order to determine control data such that the X-ray machine is controlled whereby, on taking an image, the selected region is screened.

Abstract: An X-ray-sensitive camera comprising a first X-ray-sensitive image detector for the creation of a first tomographic image with a first depth of focus profile, a second X-ray-sensitive image detector for the creation of a second tomographic image with a second depth of focus profile, and an adjustment device for moving as desired the first image detector or the second image detector into proper alignment with an X-ray emitter for the creation of a respective X-ray image, the second depth of focus profile being smaller than the first depth of focus profile, the image-sensitive active surface of the second image detector being at least twice as large as an image-sensitive active surface of the first image detector in a first dimension, and/or the second image detector is not more than half as large as the first image detector in a second dimension, the first and second image detectors being disposed in a common casing with the camera, and the second image detector is disposed alongside the first image detector.

Abstract: A small dental X-ray apparatus has an X-ray emitter 3 fixed to a cantilever 2, which X-ray emitter 3 can be manually adjusted in space relatively to a basic position by means of the cantilever 2. Means 14, 16, 18 are provided for the acquisition of the position and alignment of said X-ray emitter (3) in space. The method serves to automatically detect deviation of an actual position in space from a target position in space, which deviation is indicated by signalling elements 25 and the operator is informed on the quality of the actual position and on the direction of a change in the actual position which may be required to acquire an improved position.

Abstract: An X-ray-sensitive camera comprising a first X-ray-sensitive image detector for the creation of a first tomographic image with a first depth of focus profile, a second X-ray-sensitive image detector for the creation of a second tomographic image with a second depth of focus profile, and an adjustment device for moving as desired the first image detector or the second image detector into proper alignment with an X-ray emitter for the creation of a respective X-ray image, the second depth of focus profile being smaller than the first depth of focus profile, the image-sensitive active surface of the second image detector being at least twice as large as an image-sensitive active surface of the first image detector in a first dimension, and/or the second image detector is not more than half as large as the first image detector in a second dimension, the first and second image detectors being disposed in a common casing with the camera, and the second image detector is disposed alongside the first image detector.

Abstract: The invention relates to an X-ray sensitive camera (1, 55) comprising a first X-ray sensitive image receiver (4), for creating a first tomogram with a first depth of field profile, in addition to a second X-ray sensitive image receiver (5) for creating a second tomogram with a second depth of field profile. The invention also relates to an X-ray device comprising an image receiver (4, 5) that is contained in an X-ray sensitive camera (55), in addition to an X-ray emitter (52) with a primary diaphragm (57) and adjusting means (43, 44) for the image receiver and/or X-ray emitter and/or primary diaphragm and/or a combination thereof. The camera is equipped with a second image receiver (5), which can be brought into the beam path (54) of the X-ray emitter using the adjusting means (43, 44).

Abstract: The invention relates to a method for the creation of a panoramic tomographic image of an object (10) by means of X-rays, in which a digital X-ray-sensitive image detector (14) is moved relatively to the object to be X-rayed (10) and image data of the object (10), for a first layer (15) of the object (10) are summated to a first storage area (21.1), wherein the summation is carried out after a predefined first time interval (?t1) with a predefined first line offset (?s1). Image data for a second layer (16) of the object (10) are summated to a second storage area (21.2), which summation is performed after a predefined second time interval (?t2) with a predefined second line offset (?s2). The invention further relates to a digital X-ray image acquisition device (1) for the creation of panoramic tomographic images of an object (10), comprising an X-ray-sensitive image detector (14), a first and second storage area (21.1, 21.2) for storing data, and a first and second linker (20.1, 20.2) for linking image data.

Abstract: The invention relates to an image detection system, comprising an X-ray sensor 1 and an image detecting unit 5 which is connected to said sensor 1 via a cable 6 and which reads out data produced in the sensor and also exhibits a computer interface 5.1 to a computer 7 or a computer network. The image detecting unit is external of said computer 7 and designed to be independent of X-ray control means 4 and has at least one actuating element 9 and/or at least one display unit 10. Also disclosed are methods of operating said image detection system.

Abstract: The invention relates to an X-ray sensitive camera (1, 55) comprising a first X-ray sensitive image receiver (4), for creating a first tomogram with a first depth of field profile, in addition to a second X-ray sensitive image receiver (5) for creating a second tomogram with a second depth of field profile. The invention also relates to an X-ray device comprising an image receiver (4, 5) that is contained in an X-ray sensitive camera (55), in addition to an X-ray emitter (52) with a primary diaphragm (57) and adjusting means (43, 44) for the image receiver and/or X-ray emitter and/or primary diaphragm and/or a combination thereof. The camera is equipped with a second image receiver (5), which can be brought into the beam path (54) of the X-ray emitter using the adjusting means (43, 44).