Related Experiment Video
Updated: Apr 11, 2026

Step By Step: Microsurgical training method combining two nonliving animal models
Published on: May 9, 2015
Experience report on teaching surgical technique without animal use
Gustavo Maltez de Andrade1, Humberto Drews Pessôa Lopes2, Saulo José Oliveira Felício2
1Bahiana School of Medicine and Public Health, Salvador, BA, Brazil.
Purpose:
To report the experience of the school in implementing the 3 Rs replace, reduce and refine; showing time and assembling cost of the experimental models used in the teaching of Surgical Technique and Experimental Surgery.
Methods:
Assembly time and costs of models: grafts and flaps performed in pork belly, model of intestinal anastomosis and jejunostomy done in Bahiana box and black box model for training videosurgery.
Results:
Average time and cost estimate: ten minutes-pork belly, cost $ 6.00 per kilogram; two minutes-Bahiana box, cost $ 27.2; Black box-3.6 hours for manufacturing, cost $ 100.00. The repetition of each practice the cost is $ 3.20 for Bahiana box and at no cost to the black box.
Conclusion:
The experimental models presented are easily reproducible and of low cost.

