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Patent Searching and Data


Matches 551 - 600 out of 13,482

Document Document Title
WO/1991/005270A1
Apparatus for scanning a transparent storage phosphor (13) including a source of stimulating radiation (15), scanning apparatus (17), apparatus (37) for supporting the transparent phosphor and apparatus (21) for optically directing the s...  
WO/1991/005271A1
Apparatus for scan-stimulating a transparent image-storage phosphor (13) to recover a latent image previously formed therein by, for example, an imagewise exposure to x-radiation. Such apparatus includes a source (53) of stimulating radi...  
WO/1991/003745A1
A multi-element-amorphous-silicon detector-array real-time imager and dosimeter for diagnostic or megavoltage X rays having megavoltage photons having a plurality of photodiodes (30) made of hydrogenated amorphous silicon arrayed in colu...  
WO/1990/016010A1
A cassette for holding sheet film during exposure to x-radiation includes first and second hingedly connected panels. Both panels are curved substantially cylindrically when in the open condition, with the axes of the cylinders parallel ...  
WO/1990/015421A1
In a scanning equalization radiography system, a control function similar to the exposure response function of the image sensor (22) is employed, whereby the response of the sensor will be linearly related to the x-ray attenuation of an ...  
WO/1990/013258A1
A device for producing plural lines on a film bearing a radiographic image of a portion of the body of a living being to facilitate the location of a part of the being's body within that image. The device comprises a flexible substrate (...  
WO/1990/009147A1
In connexion with X-ray or like examination there is used a cassette holder arrangement which is carried by a frame structure (7) by means of pivotal arms (4) which are capable of being swung in the horizontal plane, such as to adjust th...  
WO/1990/009620A1
This invention relates to a cassette for radiation which is used for holding therein an X-ray sheet film or the like. The frame (13) of this cassette consists of corner members (20) corresponding to the corners of a front sheet and strai...  
WO/1990/007143A1
A liquid-absorbing, air-permeable filter (10) is inserted into a container (3) holding an amount of water which can be metered, said container being attachable to an apparatus for loading and unloading X-ray film cassettes. The filter is...  
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...  

Matches 551 - 600 out of 13,482