Finochietto Rib SpreaderNewMed® Finochietto Rib Spreader is a precision surgical instrument designed for pediatric thoracic and neonatal procedures. Measuring 36.0 mm × 25.0 mm × 7.0 mm × 6.0 mm (premie), 54.0 mm × 52.0 mm × 16.0 mm × 13.0 mm (newborn) and 70.0mm x 55.0mm x 15.0mm x 12.0mm..