Abstract: Image receiver for a radiology system, particularly a solid-state detector, has a raster that can be arranged in front of the receiver plane in the beam path and that can be moved into a standby position outside of the beam path when not in use, wherein a standby receptacle mount for the raster is provided in the receiver housing, on the side of the recording cassette that faces away from the radiation source.

Abstract: An x-ray detector for acquiring an x-ray image is in the form of a matrix with at least one of the sides of the amorphous silicon x-ray detector matrix having a cutout or recess with a curved contour that is adapted to the anatomy of the body part to be examined for an average patient.

Abstract: A sensor that can be placed intraorally in the mouth of a patient for the production of tooth/jaw exposures of a patient has a narrow housing, approximately rectangular in a top view, for an image detector and a control circuit board to which lines are connected, which can be connected, with a free end, with an image processing unit via a connecting cable exiting from the housing at the back wall of the housing. At least one narrow side of the housing has a rounded shape that is adapted to the anatomical characteristics of the upper jaw of an average patient.

Abstract: A main body of a diagnostic table apparatus holds a supporting body slidably. The supporting body holds an X-ray tube and an X-ray flat panel detector so as to face each other. A tabletop of the diagnostic table is fitted rotatably to the main body of the diagnostic table apparatus via a hinge as a diagnostic table withdrawing mechanism. In case a chest radiography is to be taken in a standing position, the tabletop of the diagnostic table is withdrawn, an X-ray is irradiated from the back of the subject who faces an X-ray flat panel detector and puts his or her chin on a chin holder.

Abstract: An x-ray cassette for computed radiography comprising: a top panel and a bottom panel, at least one panel formed from a material the panel being that which incident x-rays will pass through comprising a metal/thermoplastic/metal sandwich; the top and bottom panels being fastened for holding the front and the back panels together and create a cavity between the panels; and a storage phosphor device contained within the cavity between the first panel and the second panel.

Abstract: A solid state electron or x-ray detector is mounted within the time-varying magnetic deflection fields of a charged particle beam system. A minimum volume of high resistivity conductors and insulating materials are used in the mounting to minimize eddy currents that otherwise cause dynamic deflection distortions. Segmented conductive elastomer members make electrical and mechanical contact with the active surface of the detector. A flexible PC board connects the detector active areas to external signal processing electronics.

Abstract: An X-ray diagnostic apparatus has at least one radiation transmitter and at least one radiation receiver arranged spaced therefrom and an examination subject support plate. The radiation receiver is fashioned as a matrix detector and extends over the entire area of the examination subject support plate. Such an X-ray diagnostics apparatus is simply constructed in terms of structure and supplies high-contrast X-ray exposures in a short time and with low radiation exposure.

Abstract: A filmless digital x-ray cassette comprising the following. A standard sized x-ray cassette housing having external dimensions approximately equal to the external dimensions of a standard x-ray cassette. An array system having a plurality of light sensitive pixels, the array system being disposed at least partially within the standard sized x-ray cassette housing. An electronics system, coupled in communications with the array system, the electronics system converting pixel values received from the array system into a digital image. A communications circuit, coupled to the electronics system, having a digital image output.

Abstract: Radiographic images may be produced electronically for diagnostic purposes during radiation therapy by utilizing a portable cart-based electronic portal imaging system wherein a photo-stimulable phosphor screen is mounted on the cart by a manipulable stanchion/arm assembly enabling selective positioning movement of the screen horizontally, vertically, and angularly relative to the cart among various spacial orientations as necessary to subtend the radiation beam. A camera and a computer are mounted on the cart to photographically capture and digitize X-ray images produced by the screen and to remotely transmit such images for diagnostic purposes of confirming and, as necessary, adjusting patient positioning.

Abstract: An electronic cassette contains an X-ray image capturing panel comprising a solid state transistor array and storage capacitors on which is built a layered structure including a photoconductive layer. The storage capacitors capture electrical charges generated in the photoconductive layer by incident X-radiation and the image-wise charges are read out by the transistor array. The cassette contains an internal power supply and a built-in image storage medium among a plurality of electronic components to allow self-contained operation and temporary recording of digitized values which are representative of the pattern of incident X-radiation.

Abstract: A radiographic inspection apparatus for large containers, vehicles and structures having a movable frame which can straddle the container or object being inspected. The straddling frame has opposed parallel sides which carry a source of penetrating radiation and a detector array. The source or sources and detectors are moved along the length of a container while radiographic image data is being sequentially recorded. By summing or collecting the sequence of data over the length of a container as the straddling frame moves along, a full two-dimensional radiographic image of the container may be obtained. Radiographic images may be enhanced either by providing uniform motion for the straddling frame or by measuring non-uniform motion and compensating corresponding regions of the radiographic image.

Abstract: A portable X-ray apparatus comprising a cart carrying an X-ray generator unit and an image intensifier unit, both in a stowed transport position. One of said units is mounted on the distal end of a support arm pivotable mounted on the cart, the arm is moveable from a stowed first position to an operative open position to position the unit it is carrying to be in an open spaced alignment, whereby in the operative position on the two units are effectively on respective tips of a C-shaped configuration thereby allowing a patient to be positioned between the units to enable taking an X-ray of the patient.

Abstract: A line detector camera suitable for employment in a dental x-ray diagnostics apparatus contains an x-ray-sensitive detector held in a housing, the detector containing a plurality of detector elements that are arranged to form one or more lines, and having contacts connected to control lines that are in turn connected to a connector part. The connector part makes both electrical and mechanical connection in a releasable manner to a correspondingly fashioned holder of the x-ray diagnostics apparatus.

Abstract: A radiographic apparatus includes a C-shaped arm for supporting an X-ray tube at one end thereof and an image receiving unit at the other end, and an arm holder for slidably supporting the C-shaped arm for rotation about a center of an arc thereof. The arm holder has a hollow shaft supported therein to extend substantially parallel to an axis of the center of the arc, and a take-up drum supported on the hollow shaft. A drum drive device is operable in response to rotation of the C-shaped arm to rotate the take-up drum. A plurality of cables are connected to the X-ray tube and the image receiving unit, respectively. The cables are gathered into a bundle adjacent the X-ray tube or the image receiving unit, the bundle being guided by an outer periphery of the C-shaped arm to be wound on the take-up drum. The bundle further extends through the take-up drum and the hollow shaft into and then out of the hollow shaft.

Abstract: An x-ray diagnostics apparatus has a height-adjustable patient support plate vertically mounted on a pedestal, and an x-ray image intensifier adjustably mounted beneath the support plate at the pedestal. The x-ray image intensifier is mounted so as to be adjustable in position between an exposure position and a standby position. In the standby position, the image intensifier does not interfere with lowering of the support plate, which can thus be lowered to a position to more easily accommodate placement of a patient on the support plate. The x-ray image intensifier can be horizontally aligned in the standby position, or can be located outside the region of the support plate.

Abstract: Method and apparatus for storing and moving an x-ray detector assembly in and out of the field of radiation produced by a radiation therapy simulator source while remaining affixed to the gantry of the simulator and retaining the functional attributes of a standard radiation therapy simulator cassette holder. When mounted to the simulator, the apparatus of the present invention has the ability to position an x-ray cassette in a fixed position relative to the radiation source, allow for the use of an image intensifier tube by being effectively radiolucent over the tube, and incorporating a mechanism which is capable of absorbing a degree of movement independent of the gantry while simultaneously activating a switch mechanism which can be used to stop gantry rotation, thereby preventing damage to the device or that which it contacts.

Abstract: An X-ray imaging apparatus comprises a base installed in an examination room, an intermediate frame coupled to the base via a horizontal first rotary shaft, an arm coupled to the intermediate frame via a horizontal second rotary shaft, a mechanism, provided at one end portion of the arm, for removably supporting at least one X-ray generating unit, the X-ray generating unit supported by this mechanism, a mechanism, provided at the other end portion of the arm, for supporting at least one X-ray detection unit, and the X-ray detection unit supported by this mechanism.

Abstract: An x-ray examination apparatus which enables free access to the patient in interventional radiology given a simple structural format has an x-ray radiator and an x-ray image intensifier at least one of which is adjustable on a spherical surface. To this end, at least one of these components, such as the x-ray image intensifier is suspended by a telescopically extendable circular arc section so as to be adjustable in a circumferential direction. The arc section is adjustable in ceiling rails extending perpendicular to the surface defined by the arc section. The suspended component is held in a holder so as to be pivotable around a transverse axis and the holder is longitudinally displaceable.

Abstract: A radiation treatment apparatus is provided which has an extendable imaging device. The radiation treatment apparatus comprises a stand which supports a gantry in a rotable manner. The gantry has a treatment head for emitting a radiation beam towards an object. The extendable imaging device is coupled to the gantry opposite to the treatment head in the trajectory of the radiation beam at a point past the object. The imaging device includes an holding means which is extendable from the gantry one end of which is arranged at the gantry and at the other end of which a detector head is coupled. The detector head comprises an image converting means which in its operating position is essentially perpendicular to the radiation beam and which converts an image represented by the radiation beam into a visible image. It also comprises a reflector coupled with the image converting means for reflecting the visible image into a light channel formed by the holding means and to a video camera.

Abstract: A multi-directional x-ray imager for use with an isocentric therapy x-ray machine having a rotatable x-ray source. The imager has a fluorescence screen which emits light when excited by x-rays from the source and an imaging camera which images the light emission. A rotational joint rotates and aligns the screen relative to a different rotated position of the source relative to the patient. The camera is positioned out of the straight line path of the x-rays passing through the screen, amd a deflecting mirror deflects the emitted light to the camera. The mirror includes a thin sheet of reflective material, such as aluminized plastic, to prevent the x-rays impinging thereon from scattering to the (solid state video) camera.

Abstract: An X-ray imaging apparatus has an X-ray imaging unit having an X-ray emitting source and an X-ray image recording member, and a rotatably supporting pedestal for rotatably supporting the X-ray imaging unit. A cam member is provided at one of the X-ray imaging unit and the rotatably supporting pedestal, a cam surface of which extends in the circumferential direction around the rotating center line of the X-ray imaging unit and an engaging recess is formed on the cam surface to be recessed inwardly in the radial direction relative to the rotating center line. The engaging mechanism is provided at the other of the X-ray imaging unit and the rotatably supporting pedestal to be in contact with the cam surface of the cam member and telescopically engaged with the engaging recess of the cam surface when the X-ray imaging unit is rotated.

Abstract: The invention relates to a device for recognizing the impact site (29, 37) of a charge carrier beam on a target. This device has two position-sensitive detectors (22, 23) above the target which have a given distance from each other and from the target and on which via imaging systems (24, 25) the impact site (29, 37) of the charge carrier beam is imaged by means of X-rays. The output signals of these detectors (22, 23) are placed on a special evaluation device which determines all three spatial coordinates of the impact site (29, 37) of the charge carrier beam.

Abstract: A deformable, inner ring (22) is mounted by spokes (24) to internal structure (26) of a CT scanner. A plurality of circuit boards (32) are bent in a circular arc that is concentric with an inner circular surface of the first ring and secured to the first ring such that the arcuate bend is maintained. Bending the flexible circuit boards into an arc stresses them such that they are cantilevered outward from the first ring, yet are held along the circular arc. A second ring (44) is connected to the outer ends of the circuit boards to assure that both ends of the circuit board are held in like diameter parallel circles. Brackets (52) hold the side edges of the circuit boards straight and linear. In this manner, the circuit boards on which radiation detectors (36) are mounted become a rigid, circular mounting assembly for the radiation detectors and provide the sole support for the second ring.

Abstract: A radiation therapy imager provides images of a patient while being treated while on a radiation therapy machine for purposes of verification and monitoring of position and alignment, and for shaping of the radiation field. The radiation therapy imager has a video camera mounted on the gantry of the radiation therapy machine and positioned diametrically opposite the treatment head. An elongated light box is disposed over the camera to exclude ambient light from the camera and a fluoroscopic plate is positioned at the distal end of the light box, i.e., the end remote of the camera. The plate is aligned with and facing the head to produce a fluoroscopic image in response to the treatment radiation that is applied from the head through the patient. A mirror in the light box is oriented to reflect the image to the camera to permit monitoring on a viewing screen. The light box can be retracted from under the treatment table either by telescoping the light box down or by swinging the light box to one side.

Abstract: A high resolution X-ray inspection system particularly adapted for electronic circuit components comprised of an X-ray cabinet including an X-ray tube which is located in a vertical tower and where the object and film are placed on a slidable support member located inside the lower portion of the cabinet, with the support member being slidable outwardly therefrom. The slidable support member includes provision for attaching, upon demand, a fluoroscopic imaging device whose output is optically coupled to a closed circuit TV camera located in the bottom of the housing beneath the slidable shelf. The fluoroscopic generator includes a thinly coated radioluminescent phosphor plate optically coupled to the input of an image intensifier comprised of a microchannel plate multiplier.

Abstract: An x-ray diagnostics system has a number of sub-systems, including an x-ray generating system, an image pick-up system, and a patient support system. At least two of these sub-systems have components thereof which are individually suspended by support mechanisms which permit three-dimension movement and adjustment of the component by a motor. The motor is connected to a central computer which controls the motion and positioning of all components for moving the components to selected positions relative to a patient and relative to each other.

Abstract: An x-ray imager system of the type that indicates alignment of patient treatment field with x-ray field, using fluorescence screen and imaging sensor, has a cabinet that permits selection of two pre-determinable orientations of cabinet parts mounting the fluorescence screen and sensor (1) at 90.degree. to each other and (2) in linear alignment with each other, by pivoting of upper and lower portions of the cabinet relative to each other. For this, any axially aligned ring-bearing fixed at 45.degree. to the vertical rotatively joins together respective 45.degree. diagonal ends of the cabinet parts, and a detent holds the diagonal ends in either of the two pre-determinable positions of the cabinet parts to each other. A mirror that relays the image at one orientation can be retracted from position in the light path to avoid the beam, when not used.

Abstract: An X-ray examination apparatus, for example, for dental use, comprises an extraoral radiation entrance screen which is displaceable in a plane which is transverse with respect to a normal thereto. Consequently, distortion-free imaging can be performed for the entire set of teeth and the adjoining regions of the jaws.

Abstract: In medical X-ray apparatus including a stand mounting an X-ray tube and two X-ray receptors such as an image intensifier and a film exchanger, the two X-ray receptors are mounted on a common frame pivoted to present either receptor at the image plane of the X-ray tube. Additionally the two receptors slide on the frame and are linked by a bell crank for coordinated rotation and sliding movement which restores their common center of gravity to its initial locus as one receptor is interchanged for the other. Balance of the receptors with the X-ray tube on the frame is thereby maintained.

Abstract: A method and apparatus are disclosed for performing in-bath filming during extracorporeal shock wave lithotripsy. The device has a holder for slidably receiving a film cassette and a grid therein. The holder has means for slidably mounting the holder on the image intensifier portion of an x-ray fluoroscope so that forces on the front of the holder can be transferred to pressure sensing means on the intensifier. The holder is constructed in a water-tight manner so that the film contained in the holder may be delivered beneath the level of water in the bath adjacent the abdomen of the patient in the bath. An inflatable bladder is provided on the outside of the holder to displace water from the area between the holder and the abdomen to prevent absorption and scattering of the x-rays by water in the area between the holder and the patient's abdomen.

Abstract: A radiological installation for front and profile examinations using a single image receiver. The receiver is fixed to a transverse arm with respect to the table by means of a rotation shaft which may be locked in at least two predetermined positions, said arm forming part of a mobile support movable along said table.

Abstract: A mechanical support structure which coordinates patient positioning and medical diagnostic equipment positioning in a unified system. More particularly, the system includes a vertically adjustable patient table supported at both ends by substantial upright end support members. Also suspended between these two end supports is a radiation detector such as a scintillation camera head whose position relative to the patient table is conveniently and accurately adjustable from an operator control panel provided on one end support. Each degree of freedom afforded the detector is accomplished independently of the other and, if desired, simultaneously, or in any desired combination. To perform static imaging the separation between the detector and the patient table is adjustable, as is the lateral position of the detector between the two end stands and hence along the span of the patient table. In a detector having a non-symmetrical field of view, its length and width orientation may be reversed.

Abstract: A combination portable ionization chamber and support for mounting and adjustably aligning the chamber to an X-ray cassette so that the ionization chamber is accurately positioned in line with a source of radiation and a body part or object being X-rayed wherein the support is suspended from the X-ray cassette and retains the ionization chamber in position abutting the rear surface of the X-ray cassette so that when sufficient radiation has been detected by the ionization chamber to insure an acceptable radiograph, power to the radiation source will be automatically terminated.

Abstract: The invention provides a retractable cassette holder for a combined X ray and radiographic examination apparatus. This cassette holder forms a mobile assembly comprising means for forming a recess with variable dimensions in the middle thereof and means for causing the barrel of a luminance amplifier to slide within this recess.

Abstract: X-ray apparatus has a rotor on a standard, the rotor including two rings, one fixed on the rotor and the other rotating on an axis normal to the rotor axis. Posts on the rotating ring parallel to its axis carry an X-ray tube and an X-ray receptor on a radiation axis intersecting the ring axis at an isocenter and capable of angulation about the isocenter. A patient table is slidingly mounted on the fixed rotor ring extending through apertures in both rings. Turning of the rotor tilts the patient table in a head to foot direction while turning of the rotating ring revolves the patient on his own axis.

Abstract: X-ray apparatus comprises a U-shaped support having two hollow, horizontal arms. On the end of one arm is mounted an X-ray tube and on the other an X-radiation receptor both guided for movement on a radiation axis.A counterweight within one hollow, horizontal arm is guided for movement parallel to the X-ray tube, transversely of the arm. To counterbalance the X-ray tube a lever attached to the tube has sliding pivots at a fulcrum and the counterweight allowing the lever arm to change its length without changing the leverage ratio.

Abstract: In an exemplary embodiment in order to obstruct the examination of the patient as little as possible and simultaneously render possible a rapid shift of the working position of the image detection apparatus from a horizontal position immediately beneath the patient support platform to a vertical position immediately above the patient support platform, the disclosure provides that the lifting carriage exhibits an essentially angled configuration and that the image detection apparatus is pivotally mounted on the free end of the horizontal leg of the lifting carriage, that the stand carriage, the lifting carriage (guided on the stand carriage) and the support-mounting (pivotally mounted on the lifting carriage) are arranged beneath the image detection apparatus, and that coupling elements (which are capable of being brought into engagement with the x-ray examination apparatus) are connected with the stand carriage.

Abstract: An X-ray apparatus has a moveable support on which are slidingly mounted an X-ray tube, an image intensifier and a film holder, these radiation components defining a common radiation axis. By including a reversible motor connected to a system of clutch operated drive linkages the X-ray tube and receptors can be selectively and reciprocally moved along the radiation axis in either an independent or interdependent manner so as to preserve a radiologically desirable Source to Image Distance (SID) while simultaneously accommodating other X-ray examination requirements such as patient comfort, safety, and desired examining position. The X-ray tube is attached to a lever arm and the image intensifier and film holder are each moved by respective cables travelling around respective drive pulleys and idler pulleys. Both the X-ray tube and receptors are closely counterbalanced by counterweights respectively moved by the cables.

Abstract: X-ray apparatus for angiography has a support member which is rotatable about a vertical axis and a U-shaped arm mounted on the support for rotating about a horizontal axis. A radially movable carriage with an x-ray source mounted on it is mounted at one end of the U-arm. Carriages which are movable linearly and radially relative to the horizontal axis support an image intensifier and a film changer respectively. The horizontal axis and vertical axis of rotation which is coincident with the x-ray beam axis intersect at a point which is isocentric. Images can be obtained with either the intensifier receptor or film changer receptor in varying degrees of magnification and without magnification while the patient being examined remains coincident with the isocenter. Means are provided for counterbalancing the source, changer and the intensifier independently.