OxyFlo Pro

Combining advanced Laser Doppler technology and Digital Signal
Processing, OxyFlo™ is a highly featured multi-channel system for
measuring tissue blood flow (perfusion). Available in 2 or 4
channel formats, this instrument offers substantial advantages over
other methods of microvascular blood fl ow measurement such as
real-time and continuous monitoring ability, versatility and sensitivity

Further information here: OxyFlo-flyer-2017a