Review of the Quell 2.0 Wearable Pain Relief Device
When NeuroMetrix first unveiled the Quell a few years ago, its promise was a drug-free alternative using the body’s own mechanisms to combat chronic pain. Version 2.0 carries on with the same goal; only now it does it with improved usability and performance in mind.
The underlying technology of Quell hasn’t changed with Quell 2.0. Like its predecessor, the Quell 2.0 has been approved by the Food and Drug Administration (FDA) through the 510(k) process as a Class II Medical Device for chronic pain relief. It’s essentially a Transcutaneous Electrical Nerve Stimulation (TENS) unit that sends pulses traveling up the spinal cord to induce the brain to release endorphins, which kills pain.
How to wear it hasn’t changed, either. You wear the Quell 2.0 on either calf, with electrode gel strips attached to the main unit, encased in a cloth strap, pushing electric pulses through to activate throughout the body. You can wear it all day, including during sleep, and with the proper gels in place, during physical activity, too.
New design and features of Quell 2.0
NeuroMetrix focused largely on two things to differentiate version 2.0: make the device smaller, and more functional with the mobile app for iOS and Android. The size difference from the previous model is obvious for anyone who used it. It’s 50% smaller and considerably lighter — and if you’re not careful, easier to misplace when out of its holster.
The strap is also slightly different, particularly with the holster for the device itself. The smaller form factor is noticeably thinner and slimmer, putting less stress on the holster, and reducing any bulging that might interfere with clothing on top of it. Also, by eliminating the battery level lights and button, the holster encases the device completely, save for slits to reveal an LED at the top and the electrode clips in the back.
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