Surgical Instruments and Terminology

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Surgical Instruments and Terminology

• 4-H Veterinary Science
• Extension Veterinary Medicine 
• Texas AgriLife Extension Service
• College of Veterinary Medicine and Biomedical
  Science
• Texas AM System
• http//aevm.tamu.edu

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Objectives

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

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

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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

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Scissors

• Four different types
• Utility
• Suture
• Surgical
• Dissecting

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• Utility
• Cut material that may dull the blade

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• Suture
• Remove sutures
• Type of utility

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

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• Dissecting
• Separate and differentiate tissues

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Forceps

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

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• Thumb forceps
• Used for
• Grasping
• Compressing
• Cutting
• Pulling tissue

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• Clamping forceps
• Hemostats
• Control blood flow

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

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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

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Tubes

• Cannula
• Wound healing
• Different lengths
• Types
• Trocar
• Catheters

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

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• Catheters
• Either metal or rubber
• Inserted into body structures