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Ophthalmology and Visual Sciences

Tube Shunts

By Zach Heinzman, BA; Jaclyn Haugsdal, MD; Erin Boese, MD

Objectives

  • Describe the steps and instruments used for Ahmed and Baerveldt tube placements
  • Compare the key surgical differences between Ahmed and Baerveldt tubes


Images

Ahmed instruments
 
Baerveldt dInstruments

Videos

Seton Baerveldt 350
Watch on YouTube

 

Seton Ahmed
Watch on YouTube

 

Simulation

EYE MODEL


EQUIPMENT

Phillips Studio Tube PS-017a-TB eye model

An eye model mount and tape to secure

Ahmed or Baerveldt tube

7-0 vicryl suture (similar sized alternatives can be used in wet lab settings)

8-0 vicryl suture (similar sized alternatives can be used in wet lab settings)

7-0 nylon suture (similar sized alternatives can be used in wet lab settings)

Needle drivers

Curved Steven’s scissors

Westcott scissors

Curved Vannas scissors

Calipers

Marker

Muscle hook

Forceps (ideally straight smooth and Pierse-Hoskins)

Tying forceps


Suggested citation format: Heinzman BA, Haugsdal J, Boese E. The Iowa Ophthalmology Wet Laboratory. EyeRounds.org. Updated Posting January 22, 2024. Originally Posted December 6, 2012. Available from http://www.EyeRounds.org/tutorials/Iowa-OWL/tube_shunts.htm

last updated: 1/22/2024