Huestis•Cascade™

Accurate, reliable and very affordable, Huestis•Cascade™ offers unmatched quality, performance and value.

Huestis Cascade System Highlights

  • Current Windows® operating system.
  • Asymmetrical/symmetrical field wires.
  • Compact console and 17" Flat Panel Monitor offers precise positioning feedback.
  • Easy to use, ergonomic hand pendant.
  • Built-in diagnostic/calibration software.
  • Local Area Network (LAN) capability.
  • Freestanding design does not require an expensive floor pit.

Included Custom Features

  • Crisp fluoroscopic capability.
  • Four (4) total alignment lasers: 2 lateral, 1 sagittal, 1 overhead
  • Custom block tray adapter: matches your treatment unit.
  • Two (2) grid trays: 80 & 100 cm
  • 17" Flat Panel Room Display with easily read, instantly maximized windows.
  • Scatter grid.

Cascade Field Wires Asymmetrical and Symmetrical Field Wires

  • Motorized, independent treatment field wires offer selectable, precise positioning flexibility compatible with treatment planning systems.
  • Treatment field size: 0 x 0 cm - 45 x 45 cm (at 100 cm SAD)
  • Speed: ramp up to 100 cm/min
  • Controls/display: local and remote
        - Digital readout resolution: 1.0 mm
        - Digital accuracy: ±1.0 mm

Source to Skin Distance (SSD)

  • Range: 60 - 200 cm
  • Pre-programmed switch-off time.
  • Controls/display: local/optical
        - Optical readout resolution: 1.0 cm
        - Accuracy: ±2.0 mm

Source to Image Distance (SID)

  • Range: 87.5 - 181 cm
  • Controls/display: local and remote
        - Digital readout resolution: 1.0 mm
        - Digital accuracy: ±1.0 mm

Source to Axis Distance (SAD)

  • Variable SAD: 80 - 120 cm
  • Speed: ramp up to 50 cm/min
  • Controls/display: local and remote
        - Digital readout resolution: 1.0 mm
        - Digital accuracy: ±1.0 mm
        - Mechanical resolution: 1.0 cm

Rigid Gantry

  • Isocentric accuracy: ±1 mm (at 100 cm)
  • Rotation: ±185° (at SAD = 100 cm) (±145° at SAD > 100 cm, = 120 cm in order to avoid tube collision with floor)
  • Speed: ramp up to 360°/min
  • Anti-collision systems
  • Isocenter height: 126 cm
  • Controls/display: local and remote
        - Digital readout resolution:0.1°
        - Digital accuracy: ±0.2°
        - Mechanical resolution: 1.0°

Radiographic Cassette Holder

  • Easily accessed, manually rotating (±90°).
  • Film size: 35cm x 43cm (14" x 17")
  • Anti-collision touch guard.
  • Accepts radiation grid (absorbs scatter).
  • Safety lock for grid and film holder.

Field Indicator Light

  • Type FCS halogen bulb.
  • Light field illumination 100 lux at 1m from source.

Precision Collimator

  • Motorized rotation: ±95°
        - Speed: ramp up to 420°/min
  • Controls/display: local and remote
        - Digital readout resolution: 0.1°
        - Digital accuracy: ±0.2°
        - Mechanical resolution: 1.0°
  • Motorized collimator blades
        - Speed: ramp up to 600 cm/min
  • X-ray field size: 0 x 0 cm - 55 x 55 cm (at 100 cm SAD)
  • Independent collimator blades track the movement of the image intensifier.
  • Integral safety touch guard on collimator and mounted blocking tray.

High Resolution Image Intensifier

  • Tri-field: 12", 9", 6" (30.4 cm, 22.8 cm, 15.2 cm), 14", 12", 9" (35.4 cm, 30.4 cm, 22.8 cm)
  • Image intensifier coverage:
        - 62.8 x 62.8 cm with 9" (22.8 cm) II
        - 70.4 x 70.4 cm with 12" (30.4 cm) II
  • "S" distortion correction
  • Automatic brightness for fluoro
  • Noise reduction in fluoro: 4x sampling
  • Central resolution: 4.6 lp/mm (9")
  • Contrast ratio: 23:1 (16:1 at 10 mm)
  • DQE: 65% (IEC standard)
  • Conversion factor: 240 cdm2/mRs

Cascade Tray Image Intensifier Movement

  • Motorized movement: x, y, z axes
  • Auto-centering: lateral/longitudinal
  • Controls: local and remote
  • Lateral range: ±20 cm
  • Lateral speed: ramp up to 63 cm/min
  • Longitudinal range: ±20 cm
  • Longitudinal speed: ramp up to 63 cm/min
  • Vertical range: 50 cm
  • Vertical speed: ramp up to 81 cm/min
        - Mechanical resolution (vertical): 1 cm

CCD TV Camera (20 mhz)

  • Chip size: 1/2 in, active pixels: 768 x 494
  • Auto gain, dynamic contrast compensation.
  • Scanning system: EIA 525/60
  • Last image hold, image reversal.

Optional Digital Imaging System

  • 1024 x 1024 (pixels) progressive scan camera.
  • High resolution 19" medical grade LCD monochrome monitor.
  • 1049/60 Hz video.
  • Last image hold and reversal.
  • Radiographic and fluoroscopic capabilities.

Cascade Table Versatile Patient Couch

  • Carbon-fiber top (274.3 cm x 51 cm x 4 cm)
  • Transmission: 1.0 mm aluminum equivalent
  • Couch capacity: 500 lbs (226 kg)
  • Easy access: couch lowers to 70 cm
  • Ergonomic floor lock/emergency switches.
  • Indexing tabletop w/ access bar.

Couch Movement

  • Motorized movement: x, y, z axes
  • Free float of lateral/longitudinal motions.
  • Vertical range: 70-136 cm
  • Vertical speed: ramp up to 66 cm/min
  • Lateral range: ±19 cm
  • Lateral speed: ramp up to 150 cm/min
  • Longitudinal range: 61 cm
  • Longitudinal speed: ramp up to 150 cm/min
  • Controls/display: local and remote
        - Digital readout resolution: 1.0 mm
        - Digital accuracy: ±2.0 mm

Couch Floor Rotation

  • Floor rotation range: > ±95° (manual)
  • Controls/display: local
        - Mechanical resolution: 1.0°
        - Digital readout resolution: 0.1°
        - Digital accuracy: ±5°

High Frequency, Constant Potential Generator

  • 50 kW three-phase input power (Optional: 65 or 80 kW three-phase).
  • Self-diagnostic circuitry.
  • Multiple microprocessor control.
  • Automatic line voltage compensation.
  • Three point console (kV, mA, time).
  • Radiographic output
        - 320 mA at 150 kVp
        - 400 mA at 125 kVp
        - 500 mA at 100 kVp
        - kVp range: 40-150 kVp in 1 kVp steps
        - mAs range: 0.5-1000
        - Exposure time range: 0.002-6.3 sec
  • Fluoroscopic output:
        - 40-125 kVp in 1 kVp steps
        - mA range: 0.5-14 (20 mA optional)
  • Input power: 380-480 VAC (three phase,10%)
  • Frequency: 50/60 Hz

X-Ray Tube

  • Focal spot size:
        - 0.6 mm (small), 1.2 mm (large)
  • Target angle: 12°
  • Anode heat storage: 400,000 HU
  • Maximum anode dissipation rate: 100,200 HU/min
  • Anode diameter: 4"
  • Anode speed: 60 Hz, 3,200/10,000 RPM
  • Material: Rhenium, Tungsten, Molybdenum
  • Electrical rating:
        - anode to cathode: 150 kVp
        - anode/cathode to ground: 75 kVp

Cascade Scissors Tube Housing

  • Heat storage capacity: 1,500,000 HU
  • Cooling rate: 36,000 HU/min (air circulator)

Simulator Mechanical Specifications

  • Power: 208 (single), 380/480 (3-phase)
  • Weight: 5000 lbs (2267 kg), (approximate)
  • Btu Output: 4000 Btu/hr (approximate)

 
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