Evaluation of Dynavisc in Pain Reduction Following Revision Surgery for Persistent or Recurrent Carpal Tunnel Syndrome

Inclusion criteria - Signed and dated willing to sign a consent form form; - Stated willingness to comply with all study procedures and availability for the duration of the study; - Aged 18-65 years of age; - In good general health; - Patients experiencing recurrence or persistence of pain in the ipsilateral hand after previous carpal tunnel release for surgical treatment of primary carpal tunnel syndrome; - All of the following physical examination tests must be performed; at least one must be positive: 1. Physical examination demonstrates positive Phalen test; 2. Physical examination demonstrates positive Tinel's test; 3. Physical examination demonstrates positive monofilament test; - ENMG demonstrates median nerve velocity and deviation consistent with the diagnosis of carpal tunnel syndrome. Exclusion criteria - Inability to understand the clinical trial and/or sign the willing to sign a consent form; - Unable or unwilling to attend all of the study prescribed visits and data collection forms; - Active infection requiring medication; - Drug requiring diabetes mellitus; - Collagenopathies; - Hypothyroidism requiring medication; - Rheumatoid arthritis requiring medication; - autoimmune conditions (where your immune system attacks your own body) requiring medication; - Cervical nerve compression; - Hematopoietic disorders; - Lacertus fibrosis; - Psychiatric disorder requiring medical treatment; - Subject of workers compensation claim; - History of cancer, except for basal or squamous cell skin cancer; - Known allergic reactions to components of DYNAVISC; - Actively participating in another clinical trial. Always talk to your doctor about whether this trial is right for you.