Developing a soft tissue surrogate for use in photoelastic testing
Materials Today: Proceedings(2019)
摘要
An improved skin tissue substitute for use in photoelastic testing is required to enable investigation of the mechanics of needle insertion into soft tissue. Current tissue substitutes are mainly used in large scale testing and can neglect the small scale mechanical properties of soft tissue. A series of experiments on konjac glucomannan are performed to characterise its mechanical properties, and the results are compared to published results from similar experiments on skin tissue. The optical properties of the gel, such as its strain optic coefficient, are also assessed using a grey field polariscope (GFP2500).
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关键词
Photoelasticity,Photoviscoelasticity,Viscoelastic,Soft Tissue,Konjac Glucomannan,Needle Insertion
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