Dolphin Surgicals manufactures Medical Grade Stainless Steel Self Retaining Retractors Dolphin Surgicals also manufactures and exports various types of surgical and medical instruments. The Medical Grade Stainless Steel Self Retaining Retractors are used to hold back underlying organs and tissues during surgery in order to access the body parts under incision. The Medical Grade Stainless Steel Self Retaining Retractors is used to separate the edges of a surgical incision / wounds. These Self Retaining Retractors are available in different sizes, shapes, and styles. These Self Retaining Retractors are durable.