Development and Mechanical-functional Validation of 3D-printed Laparoscopic Forceps

Overview

Journal Rev Col Bras Cir

Specialty General Surgery

Date 2024 Jun 19

PMID 38896634

Authors

Carlos Magno Queiroz da Cunha

Ana Paula Bomfim Soares Campelo

Lucas Buffat Sales

Ian Barros Leal Malveira Ary

Jose Walter Feitosa Gomes

Marcio Wilker Soares Campelo

Affiliations

Soon will be listed here.

Abstract

Introduction: 3-dimensional printing has enabled the development of unique and affordable additive manufacturing, including the prototyping and production of surgical forceps. Objective: demonstrate the development, 3D printing and mechanical-functional validation of a laparoscopic grasping forceps.

Methods: the clamp was designed using a computer program and printed in 3 dimensions with polylactic acid (PLA) filament and added 5 screws for better leverage. Size and weight measurements were carried out, as well as mechanicalfunctional grip and rotation tests in the laboratory with a validated simulator.

Results: Called "Easylap", the clamp weighed 48 grams, measured 43cm and was printed in 8 pieces, taking an average of 12 hours to produce. It allowed the simulation of the functional characteristics of laparoscopic pressure forceps, in addition to the rotation and rack locking mechanism. However, its strength is reduced due to the material used.

Conclusion: It is possible to develop plastic laparoscopic grasping forceps through 3-dimensional printing.

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