Ziehm Vista C-Arm

C-ARM MOBILE STAND WITH DOUBLE SCREEN

DIMENSIONS & MECHANICS
Motor-driven vertical travel: 43 cm 
– 63 cm (option only for 23 cm i.i.)
Horizontal travel: 22 cm
Orbital rotation:
-90° / +25°
-90° / +45° (option only for 23 cm i.i.)
Angulation: ± 225°
Swiveling (panning): ± 10°
Source/image receptor distance: 97 cm
C-arm vertical free space: 76 cm
C-arm depth: 68 cm
Width: 80 cm
Length: 160 cm / 182 cm
Height: 171 cm / 214 cm 
Brakes:
• Patented steering & braking lever,
with parallel movement of the mobile stand in all directions

X-ray GENERATOR
X-ray tube: stationary-anode tube
Dual focus: 0.5/1.5 mm
Generator type: – 20 kHz high frequency – microprocessor-controlled

Operating Values:
Nominal output (100 kV): 2,000 W
Maximum output: 2,200 W
Fluoroscopy: 40-110 kV, 0.2-6 mA
Digital radiography (snapshot): 40 -110 kV, 8 mA • Radiography: 40-110 kV, 20 mA

Output:
Fluoroscopy: 660 W (max.)
Digital radiography (snapshot): 880 W
Tube housing heat capacity: – 800 kJ – 1.14 million HU

Option:
with water cooling (Active Cooling) 3,500 KJ
equivalent to 5 million HU
system cooling rate: 32 kHU /min.
continuous fluoroscopy: 400 W

Filtering:
Total filtering: ≥ 4 mm Al equivalent
Additional filtering: 0.06 mm Cu

Collimator System
Collimator rotation: ± 90°
Iris collimator: – 23 cm i.i.: diam. 50 -230 mm – 31 cm i.i.: diam. 50 -310 mm
Virtual collimator display without radiation

IMAGE INTENSIFIER
Type: cesium iodide • DQE (IEC): 65 %
Conversion factor: 240 Cd m-2/mR s-1
Anti-scatter 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):
Active pixels: 442,000
Camera matrix: 768 x 576 pixels
Bandwidth of video signal: 7.5 MHz
Bandwidth of video amplifier: 25 MHz
Video: CCIR / 625 lines
Signal-to-noise ratio: 60 dB
Control: ADR / AVR I.I./ TV Overall Resolution:
15 cm: 20 lp/cm 23 cm: 16 lp/cm 31 cm: 12 lp/cm

MONITOR CART
MONITORS
Super-high-resolution and high-brightness twin flat-screen monitors:
screen size: 18.1“ (46 cm)
native resolution: 1280 x 1024 pixels
viewing angle (horizontal & vertical): 170° <
contrast ratio: 800:1
dimensions: 41 x 34 x 7 cm

DIGITAL IMAGE PROCESSING
Real-Time Image Processing Functions:
Recursive filter: 4 levels
Stack filter (‘Last Image Hold’): 5 levels
Edge enhancement filter: 5 levels
Windowing and step windowing
Digital image rotation and reversal without radiation

DSA Package (Option):
DSA real-time subtraction with re-masking capability
MSA max. opacification sequence
RSA roadmapping
Pixel shift / landmarking
Digital measurement functions (distance/angle)

Cine Loop (Option):
Sequential image storage and display – 1-8 frames/s – 12.5 and 25 frames/s
Cine loop start, stop and replay rate controls

CO2 Package (Option):
Automatic image optimization when using negative contrast medium in DSA modes
Postprocessing Functions:
Edge enhancement: 5 levels
Zoom: 7 levels
Image rotation
Windowing
Grayscale inversion

Digital Memory:
Storage capacity: 1000 images – option: 5000 images
Memory matrix: 1024 x 512 pixels
Image matrix: 576 x 576 pixels
Digital image processing: 16 bit Data Organization:
Patient-based data management with 16-image mosaic display

ARCHIVING
Video printer
paper: Sony® UP 960
paper and film: Sony® UP 980 • 3.5" floppy disk
storage capacity: 4 images
formats: DICOM, TIFF

CD ROM
storage capacity: 1000 images
formats: DICOM, TIFF

Networking:
Ziehm NetPort (option): DICOM 3.0 interface (RJ45 or FO connection)
for digital network integration
‘Primary Capture‘ mode

Available DICOM Classes:
Storage Class incl. multiframe capability and Storage Commitment
Print Class – Media Class
Worklist Class incl. Modality Performed Procedure Step (MPPS)
Query/Retrieve Class
Verification Class

ELECTRICAL REQUIREMENTS
Power supply: 230 VAC , 50 Hz
Current consumption: 8 A continuous 15 A short-time
Max. impedance: ≤ 0.6 Ω
Class I equipment, Type B applied parts

WEIGHT
Mobile stand (23 cm i.i.): 286 kg

Mobile stand (Active Cooling): 296 kg
Monitor cart (Vista): 177 kg

Monitor cart (Vista Endo): 226 kg