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Patent Searching and Data


Matches 551 - 600 out of 13,474

Document Document Title
WO/1990/006582A1
The present invention refers to a structure for influencing the effect of X-ray or gamma radiation on a target sensitive to the radiation (R), having a first and a second side, the X-ray or gamma radiation (R) striking the first side, th...  
WO/1990/006538A1
Apparatus (10) for reading a transparent PSL screen (12) includes a mask (60) with a slit (62) for preventing secondary emissions (S) from reaching the photodetector (40).  
WO/1990/005938A1
A comfort-enhancing improvement upon a known dental film packet (FP) having sensitized film and protective opaque sheets (10 and 12, 14) enclosed by a light-tight envelope (16) that includes an opposed pair of generally parallel walls (1...  
WO/1990/002972A1
Arrangement for supporting and positioning X-ray cassettes (13) in the required position in radiography of patients confined to bed. The arrangement comprises at least one holder (10) and a lifting means (30). The holder (10) may be of d...  
WO/1990/002358A1
A comfort-enhancing improvement upon a known dental film packet having sensitized film (10) and protective opaque (12, 14) sheets enclosed by a light-tight envelope (16) that includes an opposed pair of generally parallel walls (16b and ...  
WO/1990/002356A1
A sheet-film cassette (1) comprises a lower portion (2) and a lid (3) hinged to said lower portion by means of a hinge (4). Hinge (4) consists of a flexible material and has a ledge-shaped profile with a thinner portion of the material f...  
WO/1989/012898A1
A slit radiography device scans a body under examination with a fan shaped X-ray beam. A number of absorption elements placed next to each other can be moved into the X-ray beam to a greater or lesser extent in order to influence the X-r...  
WO/1989/008020A1
Light collectors (10) formed by rolling one edge (18) of a sheet of transparent thermoplastic material (30) into an annular configuration, while keeping an opposite edge (12) flat suffer from light collection inefficiency caused by local...  
WO/1989/006828A1
To reduce positioning variability, a repositionable optionally stentless bitewing film holder (1) has been developed for use in general practice. It has two broad flat occlusal biting platforms (3, 4) which cross both sides of the dental...  
WO1989004998A3  
WO/1989/006377A1
A system for recording data on an x-ray film fitted in a cassette, which cassette is provided with an exposure window. An optical system images a column of light-emitting components in the space defined by the window. The recording syste...  
WO/1989/004997A1
A film sheet presence indicating mechanism is disclosed for use in a photographic cassette, such as an X-ray cassette having one end wall with a slot therein through which a film sheet is movable therethrough between screens along an inl...  
WO/1989/004998A2
A cover latch mechanism is disclosed for a photographic cassette, such as an x-ray film sheet cassette. Such cassettes typically have side walls, end walls and opposing front and rear cover walls in which one of the cover walls is rigidl...  
WO/1989/004999A1
An improved photographic cassette (10) is disclosed having a pressure plate (48) adjacent a rear cover wall (16) thereof provided with laterally extending tabs (72) on opposite side edges thereof. The cassette (10) further has a floating...  
WO/1989/004996A1
In a ''Bucky'' or ''Potter box'' for X-ray cassettes (4) or some other form of receiver of X-ray or like radiation there is used a holder or ''Potter spade'' which is movable between a cassette-changing position and an exposure position....  
WO/1989/003526A1
In a powder, e.g. X-ray, diffraction apparatus, a circularly symmetric diffraction pattern is recorded in a stimulable phosphor, e.g. in the form of sheet (20, 48). The 2-D diffraction pattern is read out using means (22, 24, 26, 28, 55,...  
WO1988009001A3  
WO/1988/010435A1
A wide dynamic range read-out method for a storage phosphor sheet (16) includes the steps of reading out the storage phosphor sheet once to produce a high exposure image detail signal, and a second time to produce a low exposure image de...  
WO/1988/009526A1
A container (1, 2) features a plurality of plug-in elements (5, 6) which can be adapted to various sheet-film formats, whose positions can be changed and which can be placed into oppositely arranged recesses in the bottom (1a) and the co...  
WO/1988/009523A1
A sheet-removal device (6) comprises a suction element (27, 28) which is movably guided by its own weight on suction arms (24, 25). The suction element (27, 28) is guided along a cam-shaped contour (24b) provided on a suction arm (24) an...  
WO/1988/009524A1
In a device (1) for unloading and reloading sheet-film cassettes (2), a sheet-film transfer device (6) with a sheet-film holder (12, 28) is provided which serves for guiding a sheet film (31) removed by a suction device (13, 14) from a s...  
WO/1988/009525A1
In a light-tight unloading and reloading station (3), a cassette-opening member (27) is pivotably mounted on a crank arm (31) which is driven for reciprocating movement by a shaft (10). At its free end the cassette-opening member (27) is...  
WO/1988/009003A1
In a device for centering X-ray film cassettes (19) of different sizes by means of two parallely guided bars (10, 12) movable towards each other and away from each other respectively in a cassette unloading and loading machine, a symmetr...  
WO/1988/009000A1
In a device for releasing a film sheet (67) adhering to the inner side of the film-sheet support (19i) of the upper cassette portion (19c) of an X-ray film cassette (19) when said upper cassette portion (19c) is pivoted to its open posit...  
WO1988006750A3  
WO/1988/009002A1
In a device for holding down the lower cassette portion (19a) of an X-ray film cassette which is located in a cassette unloading and reloading apparatus, a hold-down lever (20, 21) is mounted to each of two parallely guided bars (10, 12)...  
WO/1988/008999A1
A light detector for use with a transparent photostimulable phosphor sheet is provided with means for making optical contact with one surface of the sheet to improve light collection efficiency.  
WO/1988/008990A1
An image recorded by a photostimulable phosphor image recording medium (16) that is transparent (i.e. substantially non-scattering) to stimulating radiation is read out by scanning the photostimulable phosphor with a beam (12) of stimula...  
WO/1988/009001A2
An apparatus for unloading and exposed film sheet from an X-ray film cassette (19) and for reloading said cassette with an unexposed film sheet is provided with two parallely guided bars (10 and 12) movable towards, and away from each ot...  
WO/1988/006750A2
In a film-loading device (1), a plurality of supply magazines (2) of different sizes are arranged horizontally one above the other. The removal sides (2b) of the supply magazines (2) are staggered such that the largest supply magazine (2...  
WO/1988/006749A1
Device for the automatic loading of film (1) for sheet-film cassettes (5), provided with a sheet-film reloading device (6) which is mobile in a straight line along the rear of the magazines (4) and of a cassette for a single sheet of fil...  
WO/1988/004518A1
An alignment device (50) for use in mobile radiography. In contrast to prior practice in which a film cassette is placed on one side of the patient, an X-ray source on the other, and it is left to the skill of the technician to approxima...  
WO/1988/002970A1
A light collector for collecting and detecting emitted light from a stimulable phosphor sheet includes a cylinder with an elliptical cross section having specularly reflective internal surfaces, a pair of plane mirrors at the ends of the...  
WO/1988/000361A1
An improved photographic cassette (10) in which the plate (55) and screen (54) adjacent the front cover (14) on the tube side of the cassette is unsecured to the front cover; that is, free floating, thereby achieving more uniform sheet-t...  
WO/1987/003386A1
A programmable X-ray film changer for use, for example, in making angiograms, is provided with an improved pressure plate mechanism (56), feed and removal mechanism (88, 90, 92, 94) and control methodology. The improvements in combinatio...  
WO/1987/003107A1
A film feeding mechanism for use during medical x-ray techniques, particularly angiography. Sheets of film (46) are fed sequentially at high speed into a film exposure device (34), in a manner so as to reduce damage to the films, includi...  
WO/1987/002850A1
A picture recording device for medical use which has a very short optical path in an optical system and has a reduced number of mechanically operating parts. The picture recording device electronically scans a LED array assembly (14) hav...  
WO/1986/007168A1
A method of and an apparatus for photographing medical images, which are capable of photographing a plurality of images continuously with a multiformat camera without any operator's effort and in a short period of time, characterized in ...  
WO/1986/003032A1
Method and modifying body for influencing the effect of X-ray or gamma radiation on a target (7) sensitive to radiation, in particular for selective modification of a radiograph of an object (10). According to the invention a modifying b...  
WO/1986/001912A1
Techniques for practically obtaining a CRT multi-frame photographing apparatus which can photograph an image indicated on a CRT display, on a photographic medium which consists of either a film or photographic paper, under photographing ...  
WO/1986/001311A1
A "Potter-box" (1) has a holder or Potter-spade (2) provided with dogging means (5, 6) for centering an X-ray film cassette, or some other X-ray radiation receiver, in the direction of an X-axis and a Y-axis. Movement of the holder betwe...  
WO/1986/000516A1
An image diagnosing apparatus uses common ultrasonic transceivers. When the B-mode two-dimensional imaging and the measurement of pulse Doppler signals are to be effected in time increments, the B-mode two-dimensional imaging which featu...  
WO/1985/003423A1
Panoramic X-ray apparatus for utilization in dental and maxillary medicine with an X-ray unit surrounding the head of the patient at the level of the area to be represented and comprised of an X radiation source traversing the head and o...  
WO/1985/002918A1
X-ray film package for dental use comprising a flat, flexible and light-impermeable container (12) housing an X-ray film (14) which can be exposed upon exposure of the container to the X-rays. The package comprises an intensifying screen...  
WO/1985/000007A1
A device for taking a picture of a jaw part with elements such as tooth or molar tooth, said device mainly comprising a holder (2) to be orientated with respect to a source of radiation (1) having a windowed screen (3) to be positioned i...  
WO/1984/003033A1
A shutter arrangement for intra-oral radiographic X-ray apparatus comprises a substantially punctiform X-ray source (1), a radiation-screening and radiation-directing X-ray tube (3), a holder (10) for holding an object and an X-ray film ...  
WO/1984/001040A1
A cassette of the type having opposing interior surfaces (52, 56) relatively movable toward and away from each other to prevent and permit, respectively, movement of a photographic sheet (F) therebetween, and having at one end an opening...  
WO/1983/003012A1
A radiation image reader/recorder which mainly scans an optical beam (2) emitted from the optical beam generation means of a laser light source (1) via a light deflector (4) with a frequency less than a main scanning frequency of 1 kHz, ...  
WO/1983/001564A1
L'invention concerne des supports de film à rayon X qui sont exposés pour effectuer des radiographies de dents, et elle résoud le problème du positionnement sûr du support (1). Le support est pourvu d'un axe d'alignement (8) et d'un...  
WO/1983/000567A1
A film support (10) includes a rectangular frame (15) which defines an x-ray permeable path, and indicia such as the letters L and R are carried by an indicia support (12, 50) and the indicia support is movably mounted to the film suppor...  

Matches 551 - 600 out of 13,474