| • Number of detector heads | 2 for MultiCam 2000 |
| 1 for MultiCam 1000 |
| • UFOV dimensions | UFOV: 381 mm x 508 mm |
| • Crystal thickness | 9.5 mm |
| • Exit window | Glass: 15.9 mm |
| • Crystal size | 470 mm x 593 mm |
| • Number of PMT’s | 55 tubes per detector: 49 76.2 mm (3") round tubes 6 50.8 mm (2") round tubes |
| • PMT shielding | Yes, high permeability Mu-metal magnetic shields on every PMT Maximum magnetic operating field: .5 gauss |
| • FOV to detector edge | 9.0 cm |
| • Detector shielding | 4 sides shielded with 19.0 mm lead minimum, base shielding of 31.8 mm lead |
| • PMT Mounting | Directly on the crystal output window- no additional light pipe used |
| • Energy range | 30 - 800 KeV |
| • Type of detector motion | Radial and tilt motion |
| • Detector movement | Individually or simultaneously, either direction (maximum of two simultaneous motions) |
| • Iso-center | (92 cm) from floor |
| • Distance of crystal face from floor | Face up = 58 cm to 80 cm Face down = 105 cm to 127cm |
| • Total radial travel | 21 .0 cm |
| • Total range | 13.0 cm - 34.00 cm Measured from crystal surface to center of rotation. 9.83 cm - 30.8 cm Measured from LEHR collimator surface to COR |
| • Radial speed | Acquisition Maximum: 60 cm/min Minimum: 3 cm/min Manual (hand-held controller) Maximum: 60 cm/min Minimum: 30 cm/min |
| • Radial position resolution | Encoded to 0.007 mm |
| • Radial position accuracy | +/- 0,8 mm |
| • Detector tilt range | - 1° to + 90° |
| • Tilt speed | Manual (hand-held controller) Maximum: 0.50 rpm Minimum: 0.125 rpm |
| • Tilt Resolution | Encoded to 0.01 ° |
| • Tilt accuracy | ±0.1 ° @ 0° ± 0.2° over entire r ange (-1 ° - +91 ° ) | ,
| • Detector locations | 180° opposed geometry |
| • Detector registration | Proprietary Image Registration Correction (IRC) aligns all heads to the axis of rotation and to each other through calibration using three point sources |
| • Fabrication process | Foil (Cast - S:O.I. Required Not available in all types of collimators) |
| • Automatic collimator identification | Yes |
| • Collimator exchange server | Yes, vertical server |
| • Server capacity | 113 kg maximum |
| • Collimator storage device | Vertical storage |
| • Collision sensing device | Yes |
| • Storage capacity | Ouantity - 4 (standard) 113 kg maximum per slot Optional second storer can be placed adjacent to first storer. (see page 2-10 for types of collimators/specifications) |
| • Type | Ring |
| • Diameter of aperture (scan diameter without collimator) | Maximum: 68 cm Minimum: 26 cm |
| • Diameter of aperture (scan diameter with LEHR collimator) | Maximum: 64.8 cm Minimum: 22.8 cm |
| • Rotation | 400° total rotation |
| • Angle resolution | Encoded to 0.01 ° |
| • Rotation accuracy | ±0.1 ° |
| • Rotation modes | Continuous and step-and-shoot |
| • Speed of rotation | Acquisition Maximum: 1 .0 rpm Minimum: 0.025 rpm Manual (hand-held controller) Fast speed: up to 1 .0 rpm Slow speed: as slow as 0.25 rpm |
| • Rotation step time | 4.0 sec/3 degrees for circular orbit |
| • Rotation increments | Selectable in multiples of 1 degree |
| • Whole body scan | Yes |
| • Gantry whole body scan travel | 0 cm - 176 cm (optional 0cm – 198 cm) |
| • Total whole body imaging length | 198 cm (optional 220 cm) |
| • Whole body acquisition speed | Maximum: 300 cm/min Minimum: 3 cm/min |
| • Operator programmable WB contouring | Automatic with light curtain |
| • Speed - manual . (hand-held controller) | Maximum 300 cm/min Minimum: 120 cm/min |
| • Digital display of gantry and detector movements | Yes , on color TFT-Display |
| • What type of information is displayed to the operator | Gantry: rotation angle, linear translation Detector: tilt angle, radial position Table: Distance from center of table top surface to iso-center Persistence imaging in real time Error information Help text to prompt operator Information on collimator status System status information. (emergency stop, collision, etc..) Collimator type |
| • Gantry control accessible to the operator | Yes, through operator hand-held controller |
| • Preprogrammed functions | Yes Whole body study setup Brain SPECT study setup Torso (heart) SPECT study setup Upright study setup Patient load/unload Collimator load |
| • Type | Non-cantilevered type (fixed supports on both ends) |
| • Material | Carbon-fiber |
| • Dimensions of the pallet | 244 cm long, 41 cm wide (optional 259 cm long, 50 cm wide) |
| • Useable dimension | 210 cm long, 41 cm wide (optional 225 cm long, 50 cm wide) |
| • Maximum patient weight load | 159 kg (optional 200Kg) |
| • Attenuation information | 9° attenuation at 140 Ke V |
| • Vertical movement | 20.0 cm (64 cm - 84 cm measured from the floor) |
| • Minimum distance to the floor | 64 cm |
| • Vertical speed | Manual (hand-held controller) Fast speed: 60 cm/min Slow speed: 30 cm/min (with maximum load) |
| • Horizontal movement | None (gantry moves instead) | during acquisition
| • Lateral movement | 5.08 cm manually | for heart centering
| • Lateral motion accuracy | +/- 1 mm |
| • Control to the patient table Accessible to the operator | Through hand-held control (except lateral movement which is manual) |
| • Head rest | Optional carbon fiber head holder with foam inserts for head restraint also available |
| • Thickness of table | 1.9 cm (314") (in center of table) |
| • Table weight | 8.5 kg (optional 10,5 Kg) |
| • Type | Non-cantilevered type (fixed supports on both ends) |
| • Material | Carbon-fiber |
| • Dimensions of the pallet | This pallet has a specially designed pediatric area which is contoured and narrower in shape than the standard table. It allows optimum SPECT imaging as detectors stay closer to smaller pediatric patients |
| • Usable dimension | 210 cm |
| • Maximum patient weight load | 68 kg |
| • Attenuation information | <9% |
| • Vertical movement | 20.0 cm (64 cm - 84 cm measured from the floor) |
| • Minimum Distance to the floor | 64 cm |
| • Vertical Speed | Manual (hand held controller) Fast speed: 60 cm/min Slow speed: 30 cm/min (with maximum load) |
| • Horizontal movement during acquisition | None (gantry moves instead) |
| • Lateral motion accuracy | ± 1 mm |
| • Control to the patient table accessible to the operator | Yes, through hand-held controller (except lateral movement which is manual) |
| • Head rest | Yes |
| • Thickness of table | 1.9 cm ( in center of table) |
| • Table weight | Approx. 6.8 kg |
| • Emergency stop switches | Three on gantry Yes, membrane sensing device standard with each collimator (except pinhole collimator) |
| • Collision sensing. detection | Yes |
| • Head retract function for detectors | Yes |
| • Collimator latch sensor | Yes |
| • Sensor for proper collimator mounting | Yes |
| • Regulatory compliance | tested to IEC 60601-1 specifications |
| • Quality Compliance | ISO 9000 compliant |
| Performance Characteristics** | Worst Case Values | ||
| 3/8" (9.5mm) | |||
| Intrinsic Energy Resolution (IER) | 10.0% | ||
| Intrinsic Spatial Resolution (ISR) | CFOV | FWHM | 3.8 mm |
| FWTM | 7.2 mm | ||
| UFOV | FWHM | 3.9 mm | |
| FWTM | 7.4 mm | ||
| Intrinsic Count Rate Perf. – full corr. with 20% energy window; | Max. Count Rate | CPS | 320K |
| Observed 20% Count Loss Rate | CPS | 150K | |
| Maximum Count Throughput *** | 650 K | ||
| Intrinsic Flood Field Uniformity (IFFU) | CFOV | DIFF | 1.9 % |
| INTEGRAL | 2.0 % | ||
| Intrinsic Spatial Linearity (ISL) | UFOV | DIFF | 2.4 % |
| INTEGRAL | 2.5 % | ||
| CFOV | DIFF | 0,2 mm | |
| INTEGRAL | 0,5 mm | ||
| System Spatial Resolution CFOV at 10cm LEHR Collimator | No Scatter | FWHM | 8.2mm |
| FWTM | 14.5 mm | ||
| With Scatter | FWHM | 8.7 mm | |
| FWTM | 21.2 mm | ||
| System Sensitivity | TC-99m With LEHR Collimator | Cts/min/Ci | 245 |
| Point Source Sensitivity | UFOV | +/- 5% | |
| Intrinsic Spatial Resolution (ISR) at 75K CPS | UFOV | FWHM | 3.9 |
| FWTM | 7.5 | ||
| Intrinsic Flood Field Uniformity | CFOV | DIFF | 2,5% |
| INTEGRAL | 3.0% | ||
| UFOV | DIFF | 2.5% | |
| INTEGRAL | 3.0% | ||
| Description | Field of View at 100mm (mm) | MAX. Useful Energy a (Kev) | Hole Size b | Hole Length (mm) | Septa Thickness (mm) | System Resol. at 0mm (mm) | System FWHMc at 100mm (mm) | System Sensitivity d (cpm/uCi) |
| Dynamic (DY) | 381 x 508 | 150 | 2.31 | 25.4 | 0.30 | 4.8 | 13.4 | 740 |
| General All Purpose (GAP) By SOI only | 381 x 508 | 150 | 1.57 | 25.4 | 0.24 | 4.3 | 9,5 | 337 |
| High Resolution (HR) | 381 x 508 | 160 | 1.40 | 27.0 | 0.18 | 4.2 | 8.3 | 245 |
| Ultra High Resolution (UHR) | 381 x 508 | 160 | 1.40 | 34,9 | 0,15 | 4,2 | 7,1 | 155 |
| High Resolution Fanbeam(HR-Fan) | 381 x 380 Focus=5Ocm | 160 | 1.40 | 27,0 | 0,18 | 4,2 | 8,3 | 300 |
| High Resolution Fanbeam (Cardio Fan) | 381 x 412 Focus=65cm | 160 | 1.40 | 27,0 | 0,18 | 4,2 | 8,3 | 280 |
| Ultra High Resolution Fanbeam (UHR-Fan) | 381 x 380 Focus=5Ocm | 160 | 1,40 | 34,9 | 0,15 | 4,2 | 7,1 | 185 |
| Medium Energy (ME) | 381x508 | 300 | 3,40 | 58,4 | 0,86 | 5,3 | 11,2 | 220 |
| High Energy (HE) | 381x508 | 400 | 3,81 | 58,4 | 1,73 | 5,8 | 12,7 | 220 |
| Pinhole (3 Apertures) | 145 dia. | 400 | - | - | ||||
| 3,0 | 5,1 | 6,4 | ||||||
| 5,0 | 6,8 | 9,3 | ||||||
| 7,0 | 8,6 | 12,5 |
| Components | Weight (kg) |
| Gantry/Table Assembly (MultiCam 2000) | 1650 |
| Gantry/Table Assembly (MultiCam 1000) | 1350 |
| Collimator Storer (without collimators) | 69 |
| Collimator Server | 59 |
| UniCam Computer | 12 |
| Display Monitor | 15 |
| Collimators | 113 max. |
| Components | Power |
| Gantry Assembly include Computer | 230 V, 16 Amp, Single Phase (60Hz/50Hz) |
The power source supplying MULTICAM system shall be single phase, 2-wire plus dedicated/isolated ground and neutral (4-wire). The source should be sized for 10 KVA load.
| Nominal AC Volts | 230 |
| Line Phase | Single |
| Voltage Regulation | 5% |
| Full Load kVA | 1,5 |
| Line Amps | 6 |
| Voltage Variation | +5% -5% |
| Distribution Transformer | 1,5 kVA |
Power quality specifications are based on measurements taken at the Nuclear Room power distribution panel.
Sags and surges in the line shall not cause the line-to-line or line voltage to deviate from either its nominal or average value by more than 7%, whichever is less.
If there are consistent voltage losses of greater than 8 cycles (120 msecs) a battery UPS is recommended.
| Component | Heat Output Component (KiloWatt) |
| Gantry Assemblies (includeComputer) | 0,7 max. |
