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Title: Robotic micro-assembly of scaffold/cell constructs with a shape memory alloy gripper
Authors: Zhang, H.
Burdet, E. 
Hutmacher, D.W. 
Poo, A.-N. 
Bellouard, Y.
Clavel, R.
Sidler, T.
Keywords: Micro-assembly
Shape memory alloy (SMA)
Tissue engineering
Issue Date: 2002
Citation: Zhang, H.,Burdet, E.,Hutmacher, D.W.,Poo, A.-N.,Bellouard, Y.,Clavel, R.,Sidler, T. (2002). Robotic micro-assembly of scaffold/cell constructs with a shape memory alloy gripper. Proceedings - IEEE International Conference on Robotics and Automation 2 : 1483-1488. ScholarBank@NUS Repository.
Abstract: This paper describes an integrated approach to design and fabricate scaffold/cell constructs for tissue engineering. With this novel approach it becomes possible to produce scaffolds with controlled distribution of living cells and growth factors, a critical condition for successful grafting. Our idea consists of building a scaffold/cell construct by robotic micro-assembly of microscopic polymer building blocks. This paper introduces the rationale and concept of this interdisciplinary project and presents some realized steps. A 3D contact FEM simulation has been carried out to study the forces involved on the scaffold elements and micro-gripper during assembly. An error analysis has been performed to evaluate the accumulated error when building a scaffold/cell construct. A dedicated monolithic shape memory alloy micro-gripper has been realized and tested, which is able to handle parts in the range of 50-100 microns.
Source Title: Proceedings - IEEE International Conference on Robotics and Automation
ISSN: 10504729
Appears in Collections:Staff Publications

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