The Graefe Nerve Hook 14 cm – 5 1/2″ is a surgical instrument that lets the surgeon to withdraw nerves in order to access the tissues underneath them. A hook-shaped tool called the Greene Retractor is used for general and neck operations. The fenestrated blade of the retractor, for instance, has a deep concave curve. This property enables surgeons to retract delicate tissues while ma... https://grey-medical.com/product/greene-retractor.html