MTB HiDop 300
De HiDop 300, gemaakt door MTB is een zeer compacte en eenvoudige doppler, maar wel met een LCD scherm. Uitstekend voor snelle diagnose, en toch met veel mogelijkheden. Onder andere om hem op een PC aan te sluiten.
Doppler - CW 2MHz, 4MHz and CW 8MHz, vascular bidirectional
- CW 2MHz, fetal unidirectional
Probes - CW 2MHz, flat probe for air emboli detection during surgery
- CW 2MHz, for obstetric applications
- CW 4MHz, for deep vessel applications
- CW 8MHz, for peripheral vascular applications
- Other probes / frequencies upon request
- All probes with integrated Doppler electronics
Probe identification - Automatic with digital code
Signal Processing - Real time FFT (Fast Fourier Transform)
- 256 points overlapping, 6.4 ms
- ACF (Auto-Correlation-Function) for fetal heart rate detection
Waveforms - Sonogram
- F MAX/MIN
- F MAX+MIN
- Trend of heart rate (for 2MHz probes only)
Calculations / Indices - Heart Rate (HR), Mean Velocity (Mean),
- Pourcelots Resistance Index (RI), Pulsatility Index (PI),
- Systolic over Diastolic Ratio (S/D)
Display - 160 x 150 pixels, black / white LCD graphic display
Replay Buffer Size - 4 displays
Frequency Ranges - +/- 2.5kHz, +/- 5kHz, +/- 10kHz
Wall Thump Filters - 100Hz, 200Hz, 400Hz
Display Time - 2s, 4s, 8s 60s, 120s, 240s for trend of heart rate
Controls - 6 button control of all parameters
Memory for setups - Memory for user setups
Data Memory (Option) - Memory for up to 100 sets of sonograms, up to 64 Mbyte
Indications - Probe Identification, Displayed Waveform, Symbol for Heart Rate
- Wall Thump Filter, Frequency Range, Flow Direction
Audio - 500mW speaker (mono), output for stereo headphones
Recorder - Output for analog recorder
Data Interface - 115kbaud serial interface (standard RS232 to personal computer for on-line / off-line data transfer)
- Serial interface to thermal printer
Power - Alkaline batteries, 4 x 1.5V AM3/LR6
- or 7.5V DC power supply
Battery Life - Min. 6 hours of operation
- Display of Low Battery symbol
Automatic Power Shut Off - 3 minutes without signal
Size - 17.5cm x 11cm x 5cm
Weight - 500 grams (Including batteries and 1 probe)
Size of probes - 14mm x 110mm (0 x L), CW 4MHz and CW 8MHz
- 33mm x 8mm (0 x L), CW 2MHz flat probe
- 33mm x 14mm x 120mm (0 x L), CW 2MHz fetal