7Working Principle of Spiral CT Scanner ◎ Continuous rotation of X-ray tube and detectors◎ Continuous emission of X-ray◎ Continuous couch move-in at an even speed◎ Continuous data acquisition
8Advantage of Spiral Scanning More easy to patient examIncrease outpatientScanning speed is increased greatlyReduce motion artifactsLower dosage of enhancement mediumReduce mechanical faults+Reduce the missed diagnosisImage post-processing making 3D visualization into realityVolume scanning
9Advantage of Spiral Scanning ◎ More easy to patient examAdvantage of Spiral ScanningBreath motionSuccessful holding breathReduce breath and motion artifacts
10Advantage of Spiral Scanning ◎ Increase outpatientAdvantage of Spiral Scanning
11Advantage of Spiral Scanning ◎ Lower usage of enhancement mediumAdvantage of Spiral ScanningArtery phasePortal vein phaseTo acquire different phases images of viscera
12Advantage of Spiral Scanning ◎ Thin slice scanning of large rangeAdvantage of Spiral Scanning10mm scanning3mm scanningNodular pathologic changes can be displayed clearly.
14Advantage of CT-C3000 ◎ High speed ◎ Thin slice ◎ Strong capability of spiral scanning◎ High quality images◎ Rich functions of image processing
15Advantage of CT-C3000 High Speed 360°/sec. Clinical application： ◎ Volume scanning of ROI can be achieved with holding breath one time◎ Reduce the missed diagnosis rate of small focus without interval data acquisition◎ Reduce breath and motion artifacts◎ Easy to acquire enhancement imageAdvantage of CT-C3000
16Advantage of CT-C3000 Thickness of 1mm Thin slice Clinical Application：Advantage of CT-C3000◎ Increase diagnosis rate of small focus◎ reconstruction with high resolution◎ The base of 2D and 3D reconstruction
17Top-grade configuration of CT-C3000 Strong capability of spiral scanningContinuous scanning of 80sec.BasisAdvantage of CT-C3000Top-grade configuration of CT-C3000Key parts are imported from world leading manufactures.
18Advantage of CT-C3000 X-ray Tube Made by VARIAN Co. of U.S.A. Metal tubeDual focusAdvantage of CT-C3000◎ Special designed for spiral CT of 1 and sub-second CT scanner◎ Large heat storage capacity：3.5MHU◎ High heat dispassion：750KHU／min.
20Advantage of metal tube ◎ Large heat storage capacity, high heat dispassion and strong capability of spiral scanning◎ Increase images quality and extend service life of tube with restraining electron radiation.Advantage of CT-C3000
21Advantage of metal tube Advantage of CT-C3000Large range continuous scanning can be achieved with 175mA and 80s.
23Contrast the large focus with the small one Advantage of CT-C3000Small focus
24Heel effect of focus Advantage of CT-C3000 ◎ Focus of electron beam on the anode target is the same with heel on the floor.◎ Sand blast will appear on anode target because of small focus.◎ Image quality will be effected.Advantage of CT-C3000
25Apply high voltage and phase controlling technology High voltage generatorMade by Spellman Co.Apply high voltage and phase controlling technology◎ Power：28KW◎ Small volume and light weight◎ Patent controlling technique◎ Reduce noise effectively◎ Reduce fluctuation of tube current and voltage◎ Tube current and voltage can be controlled effectively and accurately.Advantage of CT-C3000
26Guarantee of high quality image Advantage of CT-C3000More……Super high speed GOS detectorSlip ring and brush assembly made of silver plated copperStrong computer systemAdvanced system design
27Guarantee of high quality image Detector◎ Made by Hamamatsu Co. of Japan◎ Super high speed GOS solid detector◎ Channel number：688Advantage of CT-C3000
28Super high speed GOS detector ◎ Stand for the most leading level of the world◎ X-ray absorptivity:99.98%◎ Response speed: 40% higher than that of other materials◎ Extra-short afterglow effectAdvantage of CT-C3000◎ Images acquired from high-speed and long-time spiral scanning are much better than that of other materials.
29Guarantee of high quality image Slip ring and brush assemblyMade by Litton Co.Silver plated copperAdvantage of CT-C3000◎ Signals are transmitted accurately in real time.◎ High stability and wearability◎ times is guaranteed by Litton Co..◎ Low cost maintenance
30Guarantee of high quality image Strong computer systemOpen workstation with Pentium IV multi-CPU◎ Multi-task can be processing in parallel mode.◎ Image reconstruction with high speed◎ Huge capacity of image storage◎ Easy to upgrade and low cost of maintenanceAdvantage of CT-C30001sec.images
31Computer system Advantage of CT-C3000 ◎ Main frequency：2.0G ◎ Memory：512MB◎ Hard disk：80GB◎ Multi-medium of storage：1.3GB MO disk,external hard disk,CD-R◎ Monitor：21″ real-flat high resolution color monitorAdvantage of CT-C3000
32Software is the kernal of CT scanner Rich functions of image processingSoftware is the kernal of CT scanner
33Rich functions of image processing ◎ Strong development capability of our company◎ Multi-arithmetic application◎ Comprehensive image post-processing◎ High quality images
34Magic of software ◎ BHC technology ◎ VAC technology ◎ MAC technology ◎ Adaptive steak artifacts reduction software◎ High resolution scanning technology◎ MAR software◎ Lung enhancement software◎ Advanced noise reduction software
50Scanning speed doubled Advantage of Dual-slice CT scanner2 images can be acquired in 360°/Sec.
51Advantage of Dual-slice CT scanner High speed scanning◎ Easy to patient exam, reduce breath and motion artifactsAdvantage of Dual-slice CT scanner
52Advantage of Dual-slice CT scanner Breath artifactsAdvantage of Dual-slice CT scannerSuccessful holding breath
53Advantage of Dual-slice CT scanner High speed scanning◎ Multi-organ multi-phase images acquired accurately20 cmAdvantage of Dual-slice CT scannerThree phase scanning of liverScanning range：20cmSlice thickness：10mmDual-slice spiral scanningArtery phase ：10secondsSpiral CT scannerArtery phase：20secondsBest continuous enhancement: about 10seconds
54Advantage of Dual-slice CT scanner High speed scanningAdvantage of Dual-slice CT scannerArteryPortal vein phase
55Advantage of Dual-slice CT scanner High speed scanning◎ Lower dosage of enhancement mediumAdvantage of Dual-slice CT scannerDual-slice CT: 10s,40mlSpiral CT: 20s,60ml
56Advantage of Dual-slice CT scanner High speed scanning◎ Reduce exam timeAdvantage of Dual-slice CT scanner
57Image quality has been increased greatly ◎ Large rang continuous thin thickness scanning as regular scanningAdvantage of Dual-slice CT scanner
58Advantage of Dual-slice CT scanner ◎ Increase the detectable rate of small pathological changesAdvantage of Dual-slice CT scanner10mm scanning2mm scanningSmall nodus focus of lung
59Advantage of Dual-slice CT scanner ◎ High quality images of coronal and median MPRAdvantage of Dual-slice CT scannerSpiral CT：5mm MPR
60Advantage of Dual-slice CT scanner Dual-slice CT：1mm MPR
61Advantage of Dual-slice CT scanner ◎ Large range MRA can be acquired perfectly.Advantage of Dual-slice CT scannerSpiral CT: 5mmDual-slice CT: 2mm
62Advantage of Dual-slice CT scanner ◎ 3D image quality has been increase greatly.Advantage of Dual-slice CT scanner
63Advantage of Dual-slice CT scanner Reduce running costReduce scanning timeIncrease X-ray efficiency→Reduce exposure time→Reduce tube loadingAdvantage of Dual-slice CT scanner◎ prolong use life of X-ray tube
64◎ Large heat capacity metal tube of 4MHU supplied by VARIAN ◎ Special high voltage generator of 28kW supplied by SPELLMAN◎ Super high speed GOS detectors with 10mm dual-slice◎ Slip ring and brush assembly with times guaranteedCT-C3000Dual
65CT-C3000Dual ◎ Two images acquired in 1sec./360° ◎ Spiral scanning with continuous 80sec.◎ Min. Thickness: 1mm◎ Image reconstruction time:0.8sec.CT-C3000Dual