F-Term-List

(Not Translated)
4C093 APPARATUS FOR RADIATION DIAGNOSIS
A61B6/00 -6/14,313
A61B6/00-6/14,313 AA AA00
KIND OF RADIOGRAPHY SYSTEM
AA01 AA02 AA03 AA04 AA05 AA07 AA08 AA09 AA10
. Fluoroscopy systems . . Quick radiography . . . Cassette types . . Continuous radiography . . Indirect radiography . Special fluoroscopy systems . . Multidirectional diagnosis systems . . . Biplane radiography . . . Stereoscopic radiography
AA11 AA12 AA13 AA14 AA16 AA18 AA19
. . Tomography . . Panoramic radiography . . Cine radiography . . Enlarging radiography . DR systems . Scanning radiography systems excluding CT . . Slit moving systems
AA21 AA22 AA24 AA25 AA26 AA27 AA28 AA29 AA30
. CT systems . . X-ray CT . Radiography by injection of contrast preparations . Therapy planning systems . Medical image processing or medical image control systems . . Image reading and reproducing devices . . . for imaging plates . Industrial systems . Others *
BA BA00
CT SCANNING SYSTEM OR PROJECTION METHOD ONLY FOR CT
BA01 BA02 BA03 BA04 BA05 BA06 BA07 BA08 BA09 BA10
. CT scanning . . T-R . . R-R . . R-S . . S-S . . Continuous scanning on the same slice planes . . Scanning on multiple slice planes . . . Simultaneous scanning . . . Continuous scanning . . . . Spiral or helical scanning
BA11 BA12 BA13 BA14 BA15 BA16 BA17 BA18 BA20
. Projection methods . . Multi-angle projection . . . with more than one rotation . . . Normal and reverse rotations . . Small angle projection . . . Particular angles . . Scanography; Making fluoroscopic images by CT . . Scattered radiation projection . Others *
CA CA00
PURPOSE
CA01 CA02 CA03 CA04 CA05 CA06 CA07 CA08 CA09 CA10
. Improving image quality . . of spatial resolutions e.g. improving resolutions of data . . of time resolutions e.g. achieving high frame rates . . of density resolutions e.g. contrasts . . removing or correcting distortion . . removing noises e.g. improving signal-to-noise (S/N) ratios . . . of information carrier noises e.g. scattered radiations . . of sharpness e.g. reducing blurs . . Uniformising image quality . . . of multiple images
CA12 CA13 CA15 CA16 CA17 CA18
. . . of single images e.g. reducing density unevenness . . removing artifacts . Improving operability . . facilitating handling of apparatus . . reducing operators' fatigue . . improving diagnostic efficiency or throughputs
CA21 CA22 CA23 CA24 CA26 CA27 CA28 CA29 CA30
. Improving visibility . . with indicators or the like . . facilitating stereoscopic understanding . . by timings of indications . Accelerating image indication . . of data acquisitions . . of reconstruction operations . . of image processing . . of image reading
CA31 CA32 CA33 CA34 CA35 CA36 CA37 CA38 CA39 CA40
. Improving detection efficiency . Downsizing simplification or cost reduction . Improving safety of subjects or operators . . reducing exposure doses . Improving reliability . Improving maintainability or facilitating adjustments . Multifunctionalisation of apparatus . Preventing damages of the apparatus . Accelerating or smoothing behaviours . Preventing film or the like from light-striking
CA41 CA50
. Preventing damages caused by environments or aging . Others *
DA DA00
REGION TO BE DIAGNOSED
DA01 DA02 DA03 DA04 DA05 DA06 DA10
. Alimentary canals e.g. stomachs oesophagi or intestines . Circulatory organs e.g. hearts or blood vessels . Respiratory organs . Heads . Teeth including jaws . Breasts . Others *
EA EA00
X-RAY RADIATION SYSTEM
EA01 EA02 EA03 EA04 EA05 EA06 EA07
. Radiation sources . . X-ray tube types . . . Multifocal types or focal variable types . . Electron beam scanning types . . Radiations excluding X-rays . . with multiple sources . . Multiple types of polyenergetic radiations
EA11 EA12 EA13 EA14 EA15 EA16 EA17 EA18 EA20
. Radiation filters . Diaphragms or collimators including shutters . . Fixed opening types including tubi . . Variable opening types e.g. variable diaphragms . Masks for fractionated radiography . Masks for II . Sights . . performing from multiple directions . Others *
EB EB00
X-RAY DETECTING OR IMAGE-RECEIVING SECTION
EB01 EB02 EB03 EB04 EB05 EB06 EB07 EB08 EB09 EB10
. Phosphors or fluorescent plates . X-ray II + TV systems . . characterised by the components . Combinations of sensitising papers and films; Films . Imaging plates or receptacles therefor . Detectors for xerography . Spot shot devices . . characterised by the components . Film changers . Optical cameras
EB11 EB12 EB13 EB14 EB15 EB16 EB17 EB18 EB19 EB20
. Scintillation detectors . . combined with semiconductor optical elements . Semiconductor detectors . Gas detectors . . Ionisation chamber types . Array structures of detectors . . in two-dimensions . . Multiple arrays . . Offset arrays . characterised by manufacturing detectors
EB21 EB22 EB24 EB25 EB26 EB28 EB30
. Positioning detectors . Collimators for detectors or the like . Grids . . Structures or manufacturing methods . . Supporting or oscillating mechanisms . Detectors for special uses . Others *
EC EC00
SUPPORTING OR MOVING X-RAY SOURCE, X-RAY DETECTING OR IMAGE-RECEIVING SECTION
EC01 EC02 EC03 EC04
. Installation systems . . On-floor installation types . . Ceiling suspension types . . Movable carriage types
EC11 EC12 EC13 EC14 EC15 EC16 EC17
. Supporting mechanisms for X-ray sources or image-receiving sections . . Frames or stands . . Columns . . Linkages . . Arms . . . C-arms or U-arms . . characterised by the mounting direction of X-ray tubes
EC21 EC22 EC23 EC24 EC25 EC26 EC27 EC28 EC29 EC30
. Moving mechanisms for X-ray sources or image-receiving sections . . for changing the direction of X-rays incident to subjects . . . Radiography mechanisms at oblique incidence angles . . . Tomography mechanisms excluding CT . . . . Circular arc tomographic mechanisms . . . . Parallel tomographic mechanisms . . . . Multiorbital tomographic mechanisms . . . Pivoting or rotating mechanisms . . for changing distances between X-ray sources and image-receiving sections . . . between X-ray sources and tops
EC32 EC33 EC34 EC35 EC36 EC37
. . . between tops and image-receiving sections . . co-operatively moving X-ray sources and image-receiving sections in the axial direction of subjects' bodies . . for changing direction of X-ray sources only . . for retracting image-receivers to the outside of radiation fields . . . for switching between fluoroscopic systems and radiographic systems . . for setting the direction of multiple X-ray sources
EC41 EC42 EC43 EC44 EC45 EC46 EC47 EC48
. Gantries only for CT . . Scanning mechanisms . . characterised by frame structures . . Slip rings . . Cooling mechanisms . . Position adjusting mechanisms . . . Tilting mechanisms for gantries . . . for switching radiography regions
EC51 EC52 EC53 EC54 EC55 EC56 EC57 EC58 EC59 EC60
. Mechanisms specially adapted for movements or safety mechanisms . . characterised by guiding or supporting mechanisms . . for reducing operating forces or driving forces . . . Counterbalance types . . . Spring types . . Shock-absorbing mechanisms including antivibration mechanisms . . Anti-collision mechanisms or contact detection mechanisms . . Braking mechanisms . . Cable processing mechanisms . Others *
ED ED00
SUPPORTING, MOVING OR FASTENING SUBJECT
ED01 ED02 ED03 ED04 ED05 ED06 ED07 ED08 ED10
. Beds or tables . . characterised by shapes or materials of tops . . characterised by supporting mechanisms of beds or tops . . characterised by moving mechanisms . . . for raising and lowering . . . for vertical movements . . . for horizontal movements or turnings . . . Rolling . Chairs
ED11 ED12 ED13 ED14 ED15 ED16 ED17 ED18 ED19
. Equipment for supporting or fastening . . Supports for fastening heads e.g. head rests . . . Cephalostats . . Shoulder supports e.g. shoulder stoppers . . Arm supports e.g. arm rests or arm holders . . Steps e.g. foot rests . . Bands . . Ear rods . . Baby or infant fastenings
ED21 ED22 ED23 ED24 ED30
. Compression mechanisms . . for abdomens . . . Squeezing compression . . . characterised by shapes or materials of compression cones . Others *
EE EE00
ACCESSORY, PERIPHERAL DEVICE OR FACILITY
EE01 EE02 EE04 EE05 EE06 EE07 EE08 EE09
. Operation panels . . characterised by arrangements structures or the like of operating units . Film viewing devices e.g. Shaukasten . Stereoscopic viewing devices e.g. stereo viewers . . Television images to be viewed . Automatic developing machines . Cameras for hard copies . Printers
EE11 EE12 EE13 EE14 EE15 EE16 EE17 EE18 EE19 EE20
. Radiation diagnosis rooms . Mobile X-ray vehicles . . Auxiliary mechanisms for mounting apparatus . Power supply facilities . Instruction devices for patients e.g. interphones . Surveillance monitors . Radiation protectors . . Clothing . Instruments for measuring physiques of subjects . Contrast preparations or syringes
EE30
. Others *
FA FA00
CONTROL
FA01 FA02 FA03 FA04 FA05 FA06
. Operation systems . . Remote operations . . Proximity operations . . . Operating units integral with the apparatus . . Controlling single devices or systems . . Controlling multiple devices or systems
FA11 FA12 FA13 FA14 FA15 FA16 FA17 FA18 FA19 FA20
. Objects to be controlled . . Operative methods or modes . . . Setting or switching conditions or modes . . . Switching between fluoroscopy and radiography . . X-ray-radiation systems . . . X-ray radiation fields e.g. diaphragm openings . . . Deflection of X-ray beams . . . X-ray doses . . . Exposure timings . . . Slits or the like
FA22 FA23 FA24 FA25 FA26 FA27 FA28 FA29 FA30
. . Detecting or image-receiving systems . . . Openings of image-receiving sections e.g. masks . . . Conveying films or the like . . . Switching visual fields of II . . . Incidence light quantities to imaging devices . . . . with diaphragms or filters . . . Optical distribution means e.g. mirrors or lenses . . . Startups or the like of image pick-up tubes . . . switching TV scanning systems
FA32 FA33 FA34 FA35 FA36
. . . Detectors . . Data acquiring sections . . . Acquiring data e.g. sampling . . Indicating or outputting sections e.g. CRT or printers . . Devices for supporting subjects
FA41 FA42 FA43 FA44 FA45 FA46 FA47 FA48 FA49
. Systems for producing signals for control . . with switches or by switch operations . . sequentially by behaviours of apparatus . . . Preset systems including memory type programmes . . based on comparisons between signals . . using signals of synchronising signal sources . . . Biological signals . . . TV synchronising signals . . using speech signals
FA51 FA52 FA53 FA54 FA55 FA56 FA57 FA58 FA59 FA60
. Variables to be controlled . . Time or points of time . . Distances. e.g. in vertical directions . . . in horizontal directions . . Angles or quantities of rotations including the direction of rotations . . Speed or angular speed . . Pressure or force . . Temperatures or humidity . . Electric currents or voltages . Others *
FB FB00
INDICATING BEHAVIOUR OR CONDITION
FB01 FB02 FB03 FB04 FB05 FB06 FB07 FB08 FB09 FB10
. Travelled distances . Angles of rotations . Distances between X-ray sources and image-receiving sections or between X-ray sources and tops . Shredding planes . Depths . Number of films IP or the like . Conveying states of films IP or the like . Radiography modes . Radiographic conditions . Identification (ID)
FB11 FB12 FB20
. Abnormal conditions . . involving alarms . Others *
FC FC00
DATA ACQUISITION
FC01 FC02 FC03 FC04
. Constitutions of data acquisition circuits . . Gain adjustment circuits . . Channel switching circuits . . Integration circuits
FC11 FC12 FC13 FC14 FC15 FC16 FC17 FC18 FC19
. Correction or calibration . . Relativisation of measuring systems by reference substances . . . performed simultaneously with radiography of subjects . . using water bags wedges or the like . . using detectors for calibrations . . for setting correction coefficients or functions . . correcting characteristics of detection systems . . . of sensitivities . . . of offsets
FC22 FC23 FC24 FC25 FC26 FC27 FC28 FC30
. . of temperatures . . of radiation intensities . . of beam hardening e.g. hardening of radiation qualities . . of body motions . . of scattered radiations . . of positional deviations . . . of centres of rotations . Others *
FD FD00
BASIC DATA PROCESSING
FD01 FD02 FD03 FD04 FD05 FD06 FD07 FD08 FD09
. Digitalisation e.g. sampling or quantising . Logarithmic conversions . Normalisations or statistical processing . Orthogonal transformations or inverse transformations thereof . Filtering . . Nonlinear filters . Interpolation or extrapolation methods . Functional approximations . Threshold-value processing
FD11 FD12 FD13 FD20
. Constant operations; Operations between data . . Weighting . . Differential processing excluding differentials between images . Others *
FE FE00
IMAGE RECONSTRUCTION ONLY FOR CT
FE01 FE02 FE03 FE04 FE05 FE06 FE07 FE08 FE09
. Reconstruction techniques . . Matrix methods . . Successive approximation methods . . Simple back projection methods . . One-dimensional and two-dimensional Fourier transform methods . . Filtered back projection methods . . . One-dimensional Fourier transform methods . . . Convolution or convolution integral methods . . Analogue reconstruction methods
FE11 FE12 FE13 FE14 FE15 FE16 FE17 FE18 FE19
. Operation processing . . of projection data . . . selecting or dividing data . . . making composite data or secondary data . . Fan-parallel data conversions . . Fan beam reconstruction . . Fourier transform operations . . selecting or operating filter functions . . selecting or operating convolution functions
FE22 FE23 FE24 FE25 FE26 FE27 FE30
. . Back projection operations . . . setting back projection regions . . characterised by the procedures of operation execution . . . High-speed operation systems . . . . Processing in parallel . . . . Pipeline processing . Others *
FF FF00
IMAGE PROCESSING
FF01 FF02 FF03 FF04 FF05 FF06 FF07 FF08 FF09
. for correcting deterioration of image quality . . correcting distortion . . removing noises . . restoring blurred images . for correcting uniformity . . Smoothing . Enhancement processing . . Gradation conversion or greyscale conversion . . of particular components including suppressions
FF11 FF12 FF13 FF15 FF16 FF17 FF18 FF19 FF20
. Geometrical transformation processing . . by movements e.g. translations or rotations . . by enlarging or reducing . for detecting objects e.g. clipping . . Profiles . . Lesioned sections . for detecting feature value . . by density value statistics . . characterised by shapes
FF21 FF22 FF23 FF24 FF25 FF27 FF28 FF29 FF30
. for measuring or analysing physical quantities based on images . . Distances or lengths . . Areas or volumes . . Dynamic analyses . . Bone mineral contents . for setting regions . . Regions of interest (ROI) . for density resolutions . . Windows e.g. widths or levels
FF31 FF32 FF33 FF34 FF35 FF36 FF37 FF38
. for multiple images . . Multi-frames . . between images . . . Subtractions . . . Screen composition . . . . adding or integrating images . . . Positioning . . . making images continuous e.g. smoothing
FF41 FF42 FF43 FF44 FF45 FF46 FF47 FF48 FF50
. for making special images . . Three-dimensional images . . . indicating images with shadows . . . indicating contours . . converting cross-sections . . indicating desired cross-section . . . curved . . . by shifting data for digital television tomographic layers or the like . Others *
FG FG00
INDICATING OR OUTPUTTING IMAGE OR THE LIKE
FG01 FG02 FG04 FG05 FG07 FG08 FG09
. Colour indications . Controlling luminance . Interactive input devices e.g. light pens . . Joysticks track balls or the like . characterised by indicating devices . . having multiple indicating devices . . characterised by resolution or indication speed or the like
FG11 FG12 FG13 FG14 FG15 FG16 FG18 FG19 FG20
. Auxiliary indications . . of scales . . of markers . . of graphs . . of biological signals . . of numerical values or characters . Outputting diagnostic reports . Indications or outputs by speeches . Others *
FH FH00
RECORDING, TRANSMITTING, OR STORING IMAGE
FH01 FH02 FH03 FH04 FH05 FH06 FH07 FH08 FH09 FH10
. Compressing or restoring data . Temporary storage by memories . . corresponding to additional information . Digital records e.g. optical discs or digital disc recorders (DDR) . Analogue records e.g. video tape recorders (VTR) . Transmission e.g. optical transmission or interfaces . Image databases . . Data access or retrieval . Giving data identification information . Others *
GA GA00
TESTING, MAINTENANCE, OR MANAGEMENT
GA01 GA02 GA03 GA05 GA06 GA07 GA10
. Reference settings e.g. phantoms . . Structures or materials . . Arrangements . Maintenance or management . . Simulated behaviours or testing . . Troubleshooting . Others *
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