Technical Data / Information
7.14 Tissue Doppler
TD-Mode:
Tissue Mode flow imaging is only possible with Phased Array probes.
Display Modes: 2D/TD (Single, Dual, Quad); 2D+2D/TD
TD coding steps: 8192 color steps
Depth range: axial: 0 to B-scan range
lateral: 0 to B-scan-range
Zero line shift: 17 steps
Inversion of color direction: yes
Smoothing Filter: 12 steps rising time
12 steps falling time
Gain control : 30dB
Density (color line density): 9 steps
Ensemble (color shots per line): 7 to 31
Pulse repetition frequency: 100 Hz to 13 kHz
TD Map: 4 different color codes for each probe
Frequency range: 1 to 15 MHz depending on the probe,
adjustable in 3 steps (low, mid, high)
Balance: from 25 to 225 in 41 steps
Max. meas. velocity: 5.0 m/sec.
Min. meas. velocity: 0.3 cm/sec.
Display Mode: V (velocity)
Scale: kHz, cm/s, m/s
7.15 Power Doppler
PD-Mode:
Power Doppler imaging is possible with Curved Array, Linear Array and Phased Array probes.
Display Modes: 2D/PD (Single, Dual, Quad); 2D+2D/PD
Simultaneous triplex mode: 2D/PD/D
3D/PD
PD coding steps: 256 color steps
PD window size: lateral: maximum to minimum B-Mode scan angle
axial: 0 B-scan range
Display Mode: P (power)
Wall motion Filter: 7 steps
Smoothing Filter: rising edge: 12 steps
falling edge: 12 steps
Gain control: 30dB
PD display ensemble: 7 to 31
PD display density: 10 steps
Pulse repetition frequency: 100 Hz to 20.5kHz
PD Map: 8 different color codes for each probe
Frequency range: 1 to 15 MHz depending on the probe,
adjustable in 3 steps (low, mid, high)
Image sequence memory: max. 128 images, 1024 images optional
Balance: from 25 to 225 in 41 steps
Artifact suppression: yes
Voluson
®
730 - Instruction Manual
105838 Rev. 3 7-11