Final answer:
Richardson Retractors also known as Kelly Retractors in larger versions are surgical tools used for retracting the wound edges for better visibility during surgery.
Step-by-step explanation:
The Richardson Retractors often referred to as Kelly Retractors in their large versions are medical instruments designed for exposing and retracting tissue during surgical procedures. These retractors are specifically used to hold back the edges of a wound or incision allowing surgeons better visibility and access to the operative area.
They come in many different blade sizes to accommodate a variety of surgical needs. Their size and functionality are critical to maintain the clear exposure of the surgical field.