Cooley Sternal RetractorNewMed® Cooley Sternal Retractor is a precision-crafted surgical instrument designed for effective sternal retraction. Measuring 145.0mm x 140.0mm x 21.0mm x 45.0mm (child), 200.0mm x 180.0mm x 32.0mm x 50.0mm (adult) and 178.0 mm × 152.0 mm × 102.0 mm × ..