Pre-surgical Skin Expansion DynaStretch strips are designed to aid in pre-surgical skin expansion. This expansion occurs secondarily to the contin-ued cyclic stretching of the skin by Dynamic Tissue Systems. New surplus skin may be consistent with the surrounding tissue and can be used to span a tissue defect created by surgical excision. Gentle, dynamic tissue stretching prior to planned excision avoids leaving a skin defect and allows for a sound primary closure.This system is non-invasive and can be applied days or weeks pre-op without hindering patient mobility or quality of life. Uses may include any procedure in which a skin graft site expansion is desired.