Ziehm Vista Image Intensifier With Dual Display
EUROPE (Western and Northern)
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