OTC brand (model 2895) LumboTEK lumbosacral deep back support. This product is intended for application by licensed health care practitioners as directed by a physician or other medical authority. Proper fit and application of this product must be performed by a medical professional. The provided directions are guidelines only and are not offered as medical recommendations. A doctor or orthoptist may alter some of these general instructions because they know the unique medical status of each patient and is using this orthosis as one part of a total health care treatment plan. It is important to follow patient specific instructions carefully, even if they differ from some of the provided guidelines.