Cooley Sternotomy RetractorNewMed® Cooley Sternotomy Retractor is a specialized surgical instrument designed for pediatric procedures. Measuring 115.0 mm × 80.0 mm × 30.0 mm × 15.0 mm (pediatric) and 85.0 mm × 55.0 mm × 16.0 mm × 14.0 mm (newborn) this retractor features aluminum arms for ..