Clinical Evaluation of the BTL-899 Device for Non-invasive Lipolysis on Human Fat Tissue

Inclusion Criteria: * Age above 21 years and below 60 years * Voluntarily signing of the informed consent form * Women of child-bearing potential are required to use birth control measures during the whole duration of the study * Eligibility to fat tissue biopsy at surgeon discretion, incl. at least 3-4 cm pinchable fat in the abdominal area * Subjects willing and able to abstain from partaking in any procedure to promote body contouring during study participation * Subjects willing and able to maintain his/her regular (pre-procedure) diet and exercise regimen without effecting significant change in either direction during study participation Exclusion Criteria: * Electronic implants (such as cardiac pacemakers, defibrillators and neurostimulators) * Cardiovascular diseases * Disturbance of temperature or pain perception * Pulmonary insufficiency * Metal implants * Drug pumps * Malignant tumor * Hemorrhagic conditions * Septic conditions and empyema * Acute inflammations * Systemic or local infection such as osteomyelitis and tuberculosis * Contagious skin disease * Elevated body temperature * Pregnancy * Breastfeeding * Injured or otherwise impaired muscles * Scars, open lesions and wounds at the treatment area * Basedow's disease * Previous liposuction in the treatment area in the last six months * Abdominal wall diastasis * Unstable weight within the last 6 months (change in weight ± 3%) * Previous body contouring treatments in the abdomen area in the last three months * Any disease or condition contradicting the fat tissue biopsy at the surgeon discretion * Any disease or condition that may compromise the histologic observation at the pathologist discretion