Final answer:
A malleable or ribbon retractor is a flexible surgical tool used to expose and retract tissues or organs during surgery, and it is typically used in medical school-level or professional settings.
Step-by-step explanation:
The malleable or ribbon retractor is a surgical instrument used in various medical procedures. Its primary function is to expose and retract tissues or organs within a wound, allowing surgeons clear visibility and accessibility during operations. This tool is characterized by its flexibility; it can be bent to specific angles to accommodate the unique needs of the surgical site. The malleable nature of the retractor ensures minimal trauma to the tissues while maintaining the necessary exposure for the surgeon.