University of Twente Student Theses


Optimising the OPCAB simulator movement mechanism

Buitenhuis, Kilian F. (2022) Optimising the OPCAB simulator movement mechanism.

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Full Text Status:Access to this publication is restricted
Embargo date:14 November 2025
Abstract:Coronary artery disease is a very common cardiovascular disease that blocks heart arteries from providing oxygen-rich blood to the heart. A procedure to remove the blockade is the off-pump coronary artery bypass procedure (OPCAB), which bypasses the blockade. The Thorax Centrum Twente at the Medisch Spectrum Twente hospital is developing a training model for the OPCAB procedure to train future surgeons. The previous training model underwent a redesign of the movement mechanism, as analysis had shown it to be the bottleneck in the design process. A new design methodology of design sprints combined with rapid prototyping had been adapted better to suit the qualities of the simplified production techniques. 3D printing was used to print the movement mechanism directly. The final design was tested quantitatively through tests and qualitatively assessed by surgeons. The result was a newly designed movement mechanism that worked with the existing simulator while halving the number of production steps.
Item Type:Essay (Master)
Faculty:ET: Engineering Technology
Subject:44 medicine, 52 mechanical engineering, 58 process technology
Programme:Industrial Design Engineering MSc (66955)
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