GE Healthcare, LightSpeed VCT 制造商规范

X-RAY TUBE ANODEHeat storage, hu (X-ray tubeanode) 8,0,000Heat dissipation rate, hu/min(X-RAY TUBE) 1782000Tube focal spot, mm (X-ray tube0.7 x 0.6, 0.9 x 0.9anode)POWER NEEDED 460/480 VAC nominal, 50/60 Hz, 3-phase delta or Wye Type (CONFIGURATION) Multislice# of slices (X-ray tube anode) 64Image storageHd capacity, gb (IMAGE146STORAGE)FLOOR SPACE NEEDEDSize, m2 (FLOOR SPACE28 minimumNEEDED)SCORING OF CORONARYOptionalARTERY CALCIFICATION (IMAGESTORAGE)DICOM 3.0 COMPATIBLEYes(POWER NEEDED, VAC)DISPLAYMONITOR 20" (2), opt flat Matrixes, pixels (DISPLAY) 1280 x 1024Range of ct numbers (DISPLAY) -1,024 to +3,071Image enlarging scaleUp to 8x(DISPLAY)Max # slices displayed16simultaneously (DISPLAY)GENERATOROutput, kw (X-RAYGENERATORS) 100Ma range (IMAGING SYSTEM) 10TABLE FEATURESVertical, cm (Range of51-107movement)Max. patient weight, (precision),kg (Range of movement) 180 (±0.25 mm), 205 (±1 mm)HELICAL SCANNING (DISPLAY) YesMax scan time, sec (DISPLAY) 120Max scan volume, cm (DISPLAY) 170Spatial resolution, lp/cm(DISPLAY) Same as axialPitch (DISPLAY) 0.5625:1, 0.9375:1, 1.375:1, 1.75:1 Reconstruction time per image,0.063sec (DISPLAY)PERFORMANCEMinimum interscan time, sec1(PERFORMANCE)Dynamic scan pace(PERFORMANCE) 960 scans/minHigh-contrast spatial resolution15.4, 19.6-Z0% mtf, lp/cm (PERFORMANCE)Low-contrast resolution, mm5 at 0.3% at 1.3 mGy 8" CATPHANat % at <=4 rads(PERFORMANCE)Sound, % at <= 2.5 rads(PERFORMANCE) 0.32 at 2.85 radsImage reconstruction matrixes(IMAGE PROCESSING) 512 x 512Reconstruction timeFor localization scan, secReal time(Reconstruction time)GANTRYGeometry (GANTRY) Rotate-rotate, slip ring DETECTOR (SCATTERED LIGHT) HiLight ceramicRows (GANTRY) 64Elements/row (GANTRY) 912# detection channels (GANTRY) 64 x 912Rotation times, sec 360(GANTRY) 0.4,0.5,0.6,0.7,0.8,0.9,1,2,3, 4; optional 0.35 Slice thickness, mm (GANTRY) 0.63,1.25,2.5,3.75,5,7.5, 10 X-ray fan beam angle, °56(GANTRY)Gantry angle deg (GANTRY) ±30Gantry size, hxwxd,cm188.2 x 222.5 x 100.6(GANTRY)FDA CLEARANCE (Interferencecompensation) YesCE MARK (MDD) (InterferenceYescompensation)MODEL LightSpeed VCTHigh-contrast spatial resolution 0.35 mm0% mtf, lp/cm (High-contrast15.4, 19.6-Zspatial resolution)50% mtf, lp/cm(PERFORMANCE) 10.2, 19.6-ZSlice sensitivity profileLow-contrast resolution, mm5 mm at 0.3% at 1.3 mGy; 8“ CATPHANat % at ≤20 mGy (2rads) (Slice sensitivity profile)Noise, % at ≤25 mGy0.32% at 2.85 rads(2.5 rads) (Slice sensitivityprofile)Range of movementLongitudinal, cm (Range of170, optional 200movement)Scanning range,cm (Range of170, optional 200movement)Max load capacity (accuracy,227 (±0.25 mm)mm), without restrictions, kg(Range of movement)Gantry weight, kg (GANTRY) 1906Gantry opening, cm (GANTRY) 70Scan localizer (GANTRY) LaserX-RAY TUBEHeat storage, MHU (X-RAYTUBE) 8Heat dissipation rate, kHU/min1782(X-RAY TUBE)Tube cooling (X-ray tube anode) Oil/airTube focal spots, mm (X-RAY0.7 x 0.6, 0.9 x 0.9TUBE)Expected tube life, scan sec (&calendar) (X-RAY TUBE) See tube warranty Maximum ma (X-ray tubeanode) 800 Maximum scan time atmaximum ma, sec (X-ray tubeanode)5IMAGE PROCESSING (MAXIMUMDISPLAY)Standard or optional (IMAGEPROCESSING) Optional Recommended post-processingworkstation (IMAGEPROCESSING)AW Remote access to clinicalapplications (IMAGEPROCESSING)OptionalDicom 3-d image export (IMAGEPROCESSING)YesRECOMMENDED ROOM SIZE,m² (IMAGE PROCESSING)45.5 minimumRADIATION DOSEDose modulation technique (X-ray tube anode)Volara DAS, OptiDose, color coding for kids, 3-D dose modulation, ECG dose modulation, beam tracking, shortgantry geometryPediatric specific dose control(RADIATION DOSE)Color coding for kids Prospective ECG gating(RADIATION DOSE) Optional Retrospective ECG editing(RADIATION DOSE) Optional Axial cardiac (RADIATIONDOSE)Optional Low dose cardiac (axialacquisition) (RADIATION DOSE) Optional Arrhythmia correction(RADIATION DOSE) Optional IMAGE RECONSTRUCTIONCpu (NETWORK/DATABASE) Open architecture/ LINUX Scan fovs, cm (IMAGEPROCESSING)25, 50 Reconstruction matrices (IMAGERECONSTRUCTION) 512 x 512Per slice, sec (Reconstructiontime)Up to 16 frames/sec No. of online images (IMAGESTORAGE)250,000 (512 x 512) Archive (IMAGE STORAGE) 2.3 GB MOD, DICOM 3.0 kW output (GENERATOR) 100Kvp range (GENERATOR) 80, 100, 120, 140 CLINICAL APPLICATIONS ANDFUNCTIONALITYCoronary artery calcificationscoring (CLINICALAPPLICATIONS ANDFUNCTIONALITY)OptionalQuantification (CLINICALAPPLICATIONS ANDFUNCTIONALITY)YesLung nodule assisted reading(Myocardial evaluation) Optional, Lung VCAR Respiratory gating (DISPLAY) OptionalVirtual colonoscopy assistedreading (Myocardial evaluation)OptionalVessel analysis (noncardiac)(CLINICAL APPLICATIONS ANDFUNCTIONALITY)Optional, Vessel IQ ExpressBrain perfusion (CLINICALAPPLICATIONS ANDFUNCTIONALITY)OptionalZ-axis coverage for brainperfusion (CLINICALAPPLICATIONS ANDFUNCTIONALITY)Optional, 80 mm Volume ShuttleAuto bone removal (CLINICALAPPLICATIONS ANDFUNCTIONALITY)OptionalBody perfusion (CLINICALAPPLICATIONS ANDFUNCTIONALITY)OptionalOther (ROTORS) Cardiac, perfusion, lung analysis, CT colonography, DentaScan, CT angiographyDICOM (GANTRY) As defined in DICOM Conformance Statement CT image storage SCU/SCP(Range of movement)YesModality worklist SCU (Range ofmovement)YesQuery/Retrieve SCU and SCP(Range of movement) YesStorage commitment SCU(Range of movement)YesModality performed procedurestep SCU (Range of movement)YesIHE profiles supported (Range ofmovement) YesDETECTOR (SCATTERED LIGHT)Total detector width, z-axis, mm(DETECTOR)40Reconstructed slice widthoptions, mm (GANTRY)0.625, 1.25, 2.5, 3.75, 5, 7.5, 10Standard Rotation times, sec, 360° (DETECTOR) 0.35, 0.37, 0.4, 0.42, 0.45, 0.47, 0.5, 0.6, 0.7, 0.8, 0.9, 1, 2,3, 4OTHER ATTRIBUTES (Interference compensation)AutoScan, AutoArchive, AutoFilm, AutoVoice, AutoTransfer, SmartPrep, ProtocolPro, View/Edit Wizard, DynaPlan Plus, ImageWorks, ProView, remote tilt, in-room start, rear gantry control, breathing lights, SmartmA-3-D dose modulation, ECGdose modulation witMARKETING REGION(Interference compensation) Worldwide。