Gent, Belgium
Gent, Belgium

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A storage phosphor plate assembly includes at least one storage phosphor plate having a storage phosphor layer for storing X-ray information and a substrate layer on which the storage phosphor layer is provided. The substrate layer contains a permanent magnetic material, and a support plate contains a magnetic material, the at least one storage phosphor plate being held on the support plate due to magnetic forces. The invention further relates to an X ray cassette and a system for reading out storage phosphor plate. An easy and safe handling of storage phosphor plates of various sizes and/or forms, in particular during the read-out process in the read-out system, is achieved.


Patent
Agfa HealthCare N.V. | Date: 2017-02-08

The invention relates to an X-ray system comprising an X-ray source configured to generate X-ray radiation and/or an X-ray detector configured to detect X-ray radiation, at least two guide rails (20, 21), at least one carriage (10) on which the X-ray source and/or the X-ray detector is mounted, the carriage (10) comprising first guide wheels (12, 13) and second guide wheels (14, 15), and a drive unit (30) attached to the carriage (10), the drive unit (30) comprising one or more drive wheels (32, 33) and a motor drive (31), the motor drive (31) being configured to drive the one or more drive wheels (32, 33), wherein the first guide wheels (12, 13) are adjustably mounted on the carriage (10) and configured to be moved between at least two different positions relative to the carriage (10) such that in a first position the first guide wheels (12, 13) rest on the guide rails (20, 21), while the drive wheels (32, 33) of the drive unit (30) are in a lifted position relative to the guide rails (32, 33) in which the drive wheels (32, 33) do not engage with the guide rails (20, 21), whereby the carriage (10) is moveably mounted on the guide rails (20, 21) via the first and second guide wheels (12-15), and in a second position the first guide wheels (12, 13) disengage from the guide rails (20, 21), while the drive wheels (32, 33) of the drive unit (30) engage with the guide rails (20, 21) to form a frictional connection with the guide rails (20. 21), whereby the carriage (10) is moveably mounted on the guide rails (20, 21) via the second guide wheels (14, 15) and the drive wheels (32, 33) which are driven by the motor drive (31).


Patent
Agfa HealthCare N.V. | Date: 2016-10-05

The invention relates to an X-ray system and an according method for operating an X-ray system comprising: a first structure (11, 17), on which an X-ray source and/or an X-ray detector is provided; a second structure (14); at least one stepper motor (40), which is configured to move the first structure (11, 17) relative to the second structure (14, 15), the stepper motor (40) comprising a rotor shaft (41) which is coupled with the first structure (11, 17) such that when a user exerts an external force (F) on the first structure (11, 17) an angular position of the rotor shaft (41) is changed in accordance with the exerted external force (F); at least one incremental rotary encoder (50), which is coupled with the rotor shaft (41) of the stepper motor (40) and configured to generate an encoder signal in accordance with the change of the angular position of the rotor shaft (41); and a control unit (60), which is configured to determine, based on the encoder signal, a position deviation signal characterizing a deviation of the angular position of the rotor shaft (41) from a reference angular position of the rotor shaft (41) and to control the stepper motor (40) to rotate the rotor shaft (41) dependent on the position deviation signal such that the stepper motor (40) supports a movement of the first structure (11, 17) relative to the second structure (14) in accordance with the exerted external force (F).


The invention relates to a mobile x-ray apparatus comprising an x-ray source and a receptacle (10) for storing at least one x-ray detector (20), the recepta-cle (10) being designed for holding an x-ray detector (20) in a first position, in which a first portion of the x-ray detector (20) is located inside of the recepta-cle (10) and a second portion of the x-ray detector (20) is located outside of the receptacle (10). In order to allow for a safe storage of the x-ray detector (20) in the receptacle (10) and a convenient bagging of the x-ray detector (20), a holding element (15) is provided for holding the x-ray detector (20) in a second position, in which a third portion (23) of the x-ray detector (20) is located inside of the receptacle (10) and a fourth portion (24) of the x-ray detector (20) is located outside of the receptacle (10), wherein the fourth portion (24) is larger than the second portion. The invention further relates to an according receptacle (10) and a method for bagging an x-ray detector (20) into a hygiene protective cover (26), e.g. a plastic bag.


A process for purifying a compound of formula 1, includes the following steps: a) adding an acid to an aqueous solution of the compound of formula 1, including salts and hydrates thereof so as to obtain a slurry having a pH3; and b) filtering the slurry and at least one time washing the obtained precipitate with a liquid comprising water; and c) dissolving the precipitate obtained in step b) in water to obtain an aqueous solution; and d) filtering of the solution obtained in step c) over a nanofiltration membrane having a Molecular Weight Cut Off in the range from 150 to 500 and wherein optionally, between step c) and step d) the pH of the aqueous solution is adjusted to a pH value in the pH range as specified by the manufacturer of the nanofiltration membrane. A process for preparing a gadolinium complex of the purified compound of formula 1 is also disclosed. This gadolinium complex can be used for making a pharmaceutical composition as a contrast agent for magnetic resonance imaging.


The invention relates to a carrier (10) for receiving an X-ray cassette (15) having an X-ray detector, in particular an X-ray film, an X-ray storage phosphor plate or a solid-state X-ray detector, said carrier (10) comprising a support plate (11) for supporting the cassette (15); a first alignment device (20) for aligning and/or positioning the cassette (15) on the support plate (11) along an X axis of the support plate (11); and a first, in particular optical, sensor device (30) for sensing an X position of the cassette (15) with regard to the X axis. Moreover, the invention relates to an according X-ray system and a method for determining a size and/or orientation of an X-ray cassette (15) inserted into the carrier (10) according to the invention.


The invention relates an apparatus (1) for reading out X-ray information stored in a storage phosphor layer (5) comprising a light source (2) for generating stimulating light which can stimulate the storage phosphor layer (5) to emit stimulated emission, an optical fiber (9), in particular a single mode fiber, which is optically coupled to the light source (2) and generates a stimulating light beam (3) from the stimulating light, and a deflection element (4) for deflecting the stimulating light beam (3) to move over the storage phosphor layer (5). The invention allows for reading out high quality X-ray images in a compact and reliable way.


Patent
Agfa HealthCare N.V. | Date: 2015-06-03

The invention relates to an apparatus for reading out x-ray information stored in a storage phosphor plate (1) comprising an input device (20) having a slot (26) through which a cassette (40) can be inserted into the input device (20), the cassette (40) being designed for accommodating a storage phosphor plate (1), and a read-out device for irradiating the storage phosphor plate (1) with stimulation light and detecting emission light stimulated in the phosphor plate (1). According to a preferred aspect of the invention, the input device (20) is designed for receiving cassettes (40) having different cassette widths (d1), wherein the input device (20) comprises one or more first elements (30, 36 - 39) designed for aligning and/or fixing cassettes (40) having different cassette widths (d1) in the input device (20) and/or one or more second elements (31 - 35) designed for shutting the slot (26) of the input device (20) in order to prevent ambient light from passing through the slot (26) when cassettes (40) having different cassette widths (d1) are inserted into the input device (20).


The invention relates to a touch screen (10) for an x-ray apparatus, a system comprising an x-ray apparatus and an according touch screen (10) as well as a method for operating an according touch screen (10) comprising a controller designed to activate a first mode (1) of the touch screen (10), wherein in the first mode (1) the touch screen (10) is sensitive to receive an input by means of touching the touch screen (10). The controller is further designed to activate a second mode (2) of the touch screen (10), wherein in the second mode (2) the touch screen (10) is insensitive to any touching or the touch screen (10) is only sensitive to a predetermined termination input upon which the second mode (2) is terminated. By means of the invention, during activation of the second mode (2) cleaning and disinfection of the touch screen (10) can be performed without risking unintentional input and without the need of shutting down the whole system. Therefore, the invention allows for a safe and simple operation of an x-ray apparatus.


The invention relates to a storage phosphor plate assembly (1, 20) comprising at least one storage phosphor plate (1) having a storage phosphor layer for storing X-ray information and a substrate layer on which the storage phosphor layer is provided, the substrate layer containing a permanent magnetic material, and a support plate (20, 22) containing a magnetic material, the at least one storage phosphor plate (1) being held on the support plate (20, 22) due to magnetic forces. The invention further relates to an according X-ray cassette and system for reading out storage phosphor plates (1). By means of the invention, an easy and safe handling of storage phosphor plates of various sizes and/or forms, in particular during the read-out process in the read-out system, is achieved.

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