Surgical Instruments and Terminology 4-H Veterinary Science Extension Veterinary Medicine Texas AgriLife Extension Service College of Veterinary Medicine and Biomedical Science Texas A&M System

Objectives Describe various surgical instruments Discuss the names of various surgical instruments

Perform surgical procedures Chosen based on action These tools are used for Holding Pulling Clamping Cutting Crushing Closing a wound

Definitions Excision – removal of tissues by surgical cuts Ecraseur – an instrument that permits excision by a crushing action Incision – surgical cut made into a tissue of organ Cannula – a tube that is inserted into a body cavity for drainage of fluid

Scissors Four different types Utility Suture Surgical Dissecting

Utility Cut material that may dull the blade

Suture Remove sutures Type of utility

Operating Surgical Cut soft tissue Different sizes Blade can be straight, curved, blunt or pointed

Dissecting Separate and differentiate tissues

Forceps Three Types Thumb forceps Clamping forceps Needle holders Look like tweezers

Thumb forceps Used for Grasping Compressing Cutting Pulling tissue

Clamping forceps Hemostats Control blood flow

Needle holders Locking forceps Similar to hemostats Holds suture needles when installing stitches

Scalpels Very sharp knife Handle and blade are packaged separately Used to make surgical cuts called incisions Different sizes and styles Tenotome- dissecting scalpel used for fine dissection and cutting or dividing tendons

Tubes Cannula Wound healing Different lengths Types Trocar Catheters

Trocar Release fluid or gas build-ups Sharp stylet inside cannula

Catheters Either metal or rubber Inserted into body structures