The purpose of Arctic Stream Therapy Machines LLC's premier technology is to replace the Ossur Coldrush style ice-water mixture ergonomic therapy type devices with a convenient alternative for home and professional use. The positive health results for the currently available devices are well documented. However, through customer discovery and my own experience with it, there are multiple reasons why they get used for a week or two, then lay in the closet collecting mildew between uses. Firstly, preparation and post use maintenance are inconvenient. The patient or therapist must have an adequate amount of ice on hand in a nearby freezer before using. Afterwards, if the device is not disinfected, flushed and drained properly after each use, the device will quickly create a foul smell that makes using it very unpleasant. Secondly, there is little to no temperature control during usage outside of adjusting the speed control knob.

 The Arctic Stream Therapy Machines’ DCP1 prototype solves these issues by pre-storing and chilling the reservoir passively beforehand so all the user needs to do is set the time and temperature then press the on button for instant cold relief. 

 So why not use a small industrial chiller to chill a reservoir as needed? That is why wattage, noise, time and accuracy ratios are relevant. The DCP1 peaks at 30 Decibels of noise and the therapy pad is at a stable temperature within two minutes. The pad temperature fluctuates a mere +/- 0.5°F.  The 60 watt compressor not only chills the reservoir beforehand, it also pre-chills what I refer to as the ice cells. The ice cells keep the reservoir temperature stable while in use, along with the compressor. By comparison a 1000 watt industrial chiller peaks above 70 Decibels of noise, while taking +10 minutes to reach low temperatures. It also fluctuates far more at around +/- 5°F while the compressor is in its necessary hold cycle to prevent compressor failure. Using a 500 watt compressor would make it quieter but then it would take twice as long to reach the same temperature which makes it impractical for home or office use (and so on, using the start time to noise ratio). A high noise level may be acceptable in an industrial environment, but it becomes undesirable in a home or office setting with patients trying to relax. As far as electrical efficiency factor, the machine averages 0.5 kilowatts per day, averaging $0.04 cents per day depending on local rates. Basically, passively storing cold is cheaper than creating it directly on-demand with a high wattage compressor and coils.

 The DCP1 can operate indefinitely at comparable temperatures to the Ossur Coldrush style devices. Which is more than enough time, as a typical cryotherapy session lasts less than 30 minutes. The DCP1 prototype machine uses a clever blending technology that instantly and accurately reaches the desired pad temperature, regardless of the reservoir temperature. The reservoir temperature can be adjusted separately between -15°F to 20°F or higher depending on the users preference. The ice cells also replace the need for large battery cells, helping make the DCP1 machine cordless and fully portable. 

 Like the currently available ergonomic devices, the flow speed can be adjusted and the flexible pads are easily interchangeable. Unlike the currently available devices, the DCP1's pad temperature can be instantly adjusted to operate at temperature ranges from below-freezing to moderately cool. The cool settings can transform the machine into a personal cooling machine for outdoor summer usage. The flexible pad can even be swapped to radiator-fan attachment for personal air cooling purposes. 

 There are other style cryotherapy machines that require nitrogen gas and/or are non-ergonomic. Some spray gas directly to the skin, which in my opinion, does not penetrate deep enough into the tissue to be practical or effective. Then there is the flat metal applicator style devices that are far from ergonomic, let alone affordable. There are also new thermoelectric cooling devices that utilize peltier plates instead of a traditional compressor. The electrical efficiency referred to as the "coefficient of performance" for this technology is not good, being at between 5-15%. Where as a traditional compressor is between 70-90%. A compressor is roughly 10 times as efficient at creating cold.