Final answer:
A retractor is a surgical instrument used to expose and hold back organs, tissues, or structures during a surgical procedure. The Parker and Sistrunk retractors are commonly used for superficial wounds to gently pull back the surrounding tissue.
Step-by-step explanation:
A retractor is a surgical instrument used to expose and hold back organs, tissues, or structures during a surgical procedure. One type of retractor commonly used for superficial wounds is the Parker retractor. Another option is the Sistrunk retractor. These retractors are designed to gently pull back the surrounding tissue, allowing the surgeon to have a clear view and access to the wound.