Certified Instrument Specialist (CIS) Practice Exam 2026 - Free CIS Practice Questions and Study Guide

The Derf needle holder is primarily designed for delicate external suturing, making it an essential instrument for surgical procedures that require precision. This needle holder has a unique design that allows for a firm grip on the needle while providing better control during the suturing process, particularly in challenging areas where accuracy is crucial.

This device is typically smaller than standard needle holders, allowing surgeons to navigate the intricacies of delicate tissues without causing damage. Its ergonomic design reduces hand fatigue during long surgical procedures, enabling more precise suturing techniques, which is vital in delicate surgeries such as plastic or reconstructive surgeries.

Other options, while related to surgical tasks, do not capture the primary purpose of the Derf needle holder. For instance, holding surgical wires is typically done with pliers designed for wire manipulation, while retraction during surgery requires dedicated instruments such as retractors. Similarly, cutting sutures effectively is generally handled by scissors specifically designed for that purpose, rather than a needle holder. Therefore, the answer clearly aligns with the Derf needle holder's intended function in surgical practice.