Ziehm Vista Image Intensifier With Dual Display

IMAGE INTENSIFIER SUPPORT
DIMENSIONS AND MECHANICS
- Motorized vertical stroke: - 43 cm - 63 cm
(option only for 23 cm i.i.)
- Orbital rotation: -90 ° / + 25 ° -90 ° / + 45 °
(option only for 23 cm i.i.)
Brakes:
- Patented steering and braking lever, with parallel movement
of the mobile support in all directions

X-RAY GENERATOR
- Generator type:
- 20 kHz high-frequency
- microprocessor-controlled
Operating values:
- Digital radiography (imaging): 40 to 110 kV,
8 mA - X-ray: 40 to 110 kV, 20 mA
Output:
- 1.14 million HU
- Option:
- with water cooling (active cooling) 3,500 KJ
- equivalent to 5 million HU
Filtration:
- Total filtration: ≥ 4 mm Al equivalent
- Additional filtration: 0.06 mm Cu
Collimator system
- Iris collimator: - 23 cm i.i.: diam. 50 -230 mm
- 31 cm i.i.: diam. 50 -310 mm
- Radiation-free virtual collimator display

IMAGE INTENSIFIER
- Conversion factor: 240 Cd m-2 / mR s-1
- Anti-dispersion grid: Pb 8/40, f0 90
15 cm I.I .:
- Central resolution 15-10 cm: 46-50 lp / cm
- Contrast ratio: 20: 1
23 cm I.I :
- Central resolution 23-15-10 cm: 52-58-68 lp / cm
- Contrast ratio: 30: 1
31 cm I.I :
- Central resolution 31-23-15 cm: 44-50-56 lp / cm
- Contrast ratio: 22: 1

DIGITAL VIDEO CHAIN
Digital video camera (high contrast, non-interlaced):
- Video amplifier bandwidth: 25 MHz
- Video: CCIR / 625 lines
Overall I.I./TV. resolution
- 15 cm: 20 lp / cm 23 cm: 16 lp / cm 31 cm: 12 lp / cm

MONITORS
- Two high-resolution, high-brightness flat-screen monitors:
- viewing angle (horizontal and vertical): 170 °
- contrast ratio: 800: 1

DIGITAL IMAGE PROCESSING
Real-time image processing functions:
- Windows and steps
- Radiation-free digital image rotation and inversion
DSA package (Optional):
- Real-time DSA subtraction with re-masking capability
- MSA max. opacification sequence
- RSA roadmap
- Pixel shift / landmarking
- Digital measurement functions (distance / angle)
Cine loop (Option):
- Sequential image storage and display - 1-8 images / s
- 12.5 and 25 images / s
- Cine loop start, stop and replay rate controls
CO2 package (Option):
- Automatic image optimization when using
negative contrast media in DSA mode
Post-processing functions:
- image rotation
- windowing
- grayscale inversion
Digital memory:
- Storage capacity: 1000 images
- option: 5000 images
Data organization:
- Patient-based data management with
16-image mosaic display

ARCHIVING
- Video printer
- 3.5" floppy disk
- storage capacity: 4 images - formats: DICOM, TIFF
- CD ROM
- storage capacity: 1000 images - formats: DICOM, TIFF
Networking:
- Ziehm NetPort (optional):
DICOM 3.0 interface (RJ45 or FO connection) for
digital network integration
- Primary capture mode
- DICOM classes available:
- Storage class incl. multi-frame capacity and
storage commitment
- Print class
- Media class
- Worklist Class incl. Modality performed,
procedure step (MPPS)
- Request / Retrieval Class
- Verification Class

POWER SUPPLY
- Class I equipment, type B applied parts

Specifications
Horizontal movement 22 cm
Angulation ± 225 °
Pivoting (panoramic) ± 10 °
Distance receiver source / image 97 cm
Vertical arm clearance c 76 cm
Hoop depth 68 cm
Width 80 cm
Length 160 cm / 182 cm
Height 171 cm / 214 cm
X-ray tube fixed anode tube
Dual focus 0.5 / 1.5 mm
Rated power (100 kv) 2 000 W
Maximum power 2 200 W
Fluoroscopy 660 W (max.)
Digital radiography (snapshot) 880 W
Thermal capacity of tube housing - 800 kJ
System cooling speed 32 kHU / min.
Continuous fluoroscopy 400 W
Collimator rotation ± 90 °
Type cesium iodide
Dqe (iec) 65%
Active pixels 442 000
Camera matrix 768 x 576 pixels
Video signal bandwidth 7.5 MHz
Signal-to-noise ratio 60 dB
Control ADR / AVR
Screen size 46 cm
Native resolution 1280 x 1024 pixels
Dimensions 41 x 34 x 7 cm
Recursive filter 4 levels
Battery filter ('last hold hold') 5 levels
Edge enhancement filter 5 levels
Edge enhancement 5 levels
Zoom 7 levels
Memory matrix 1024 x 512 pixels
Image matrix 576 x 576 pixels
Digital image processing 16 bits
Paper Sony® UP 960
Paper and film Sony® UP 980
Food 230 VAC, 50 Hz
Current consumption 8 A continuous 15 A short-time
Max. impedance ≤ 0.6 Ω
Mobile base (23 cm i.i.) 286 kg
Mobile base (active cooling) 296 kg
Monitor cart (vista) 177 kg
Monitor cart (vista endo) 226 kg