The sole US distributor of the Cryofos and the Cryofos Mobile is BYNIX Medical, a TENSSOURCE company. The Cryofos models are Class II Medical Devices and Federal law Restricts it to sale by or on the order of a licensed health care professional. If you are a patient, please speak with your doctor if you think Neuro Reflex Stimulation (NRS) Therapy with Cryofos can help you. Fill out the form for more information on NRS and the Cryofos Models. Thank you for your interest.