KOVEN Hadeco Smartdop 20 Ultrasonic Blood Flow Detector Review 

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With the KOVEN Hadeco Smartdop 20 Ultrasonic Blood Flow Detector we have a basic Ultrasound machine. It can be used to conduct bi-directional vascular assessments via a (5, 8, and 10MHz) Doppler probe, capture pulse volume waveforms (PVR), and print-out said PVR using a built-in printer.  


Examinations with the KOVEN Hadeco Smartdop 20 is completely manual with the accompanying PPG probes. That doesn’t make it very different from the more basic handheld vascular probes in the market, but it is able to provide the following characteristics: 

  • Compact in size, and can be moved relatively easily from one place to another 
  • The built-in printer comes attached for printing off pulse volume waveforms 
  • Bidirectional probe with interchangeable heads (5MHz, 8MHz, and 10MHz) 
  • Rechargeable Batteries included (with accompanying Low-Battery light Indicator) 
  • Built-in Speaker and an earphone jack for broadcasting audio-output to a connected external speaker or a headset 

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Tests Performed 

Although compact, the KOVEN Hadeco Smartdop 20 cannot necessarily be called a ‘handheld doppler.’ Instead, it must be set up on a stable surface (preferably close to the bed, as the cord is only 1.8ft long.) The PPG probe does come equipped with a removal head attachment (which is interchangeable), so some flexibility is available when it comes to certain types of testing — mostly just for changing frequencies (5MHz, 8MHz, and 10MHz.) 

The testing procedure doesn’t change from what is used for other manual Doppler devices. The patient must still be rested in a supine position before the assessment can begin, and the handling physician must manually analyze and calculate dual-ankle brachial pressures in order to get an ABI score to determine the potential presence of PAD and the severity of it.  

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KOVEN Hadeco Smartdop 20 Ultrasonic Blood Flow Detector Review 

In conclusion, the KOVEN Hadeco Smartdop 20 is a basic machine. You won’t be getting any more from it that you don’t already get from a regular handheld Doppler device (as some of them come with built-in printers attached as well.) In that sense, it really cannot compare, but that doesn’t mean it’s unusable.   

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Technical Specifications 

  • Built-In Printer 
  • Interchangeable Probes 
  • Rechargeable Batteries 

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Pros and Cons 

A list of pros and cons of the KOVEN Hadeco Smartdop 20 Ultrasonic Blood Flow Detector Device.  

  • The KOVEN Hadeco is not quite as portable as the type of handheld doppler devices that you can fit in your pocket, but it was designed to be compact. This makes it easy to move it around (power outlet not needed as it comes with rechargeable batteries.) 
  • It also comes with a built-in printer. Which can be used for printing PVR for documentation purposes. 
  • Another pro of this device is the interchangeable probe heads — available attachments include probes at 5MHz, 8MHz, and 10MHz.  
  • Of course, the built-in speakers produce hi-fi audio output and it comes with an earphone jack for listening to PVR through a headset or external speakers as well.  

  • As mentioned previously, despite its compact size, it isn’t quite as portable as handheld Doppler devices (which offer very similar features.) 
  • Finally, we also must consider the fact that it uses outdated technology — in that it uses the manual Doppler method. Nowadays, a lot of machines are packed with automated algorithms that can process ABPI calculations in under a couple of minutes, and it doesn’t quite compare. 

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