(Sunday, 7/14/2019) 3:00 PM - 3:30 PM
Room: Exhibit Hall | Forum 8
Purpose: The deformable materials that can simulate human skin and muscle tissue may benefit the fabrication of dynamic anthropomorphic phantom, such as lung and bladder. We tested the feasibility of using complex mold technology to fabricate the simulated human skin and muscle tissue.
Methods: We established the 3D model of human skin and muscle tissue and fabricated the simulated models based on the complex mode technique. The complex mode of this experiment refers to a 3D printing template to make a silicone mold. This process should be in a vacuum state and cast the silicone mold with a resin. The silicone mold is similar to the 3D printing template. To test this materials, we cut the excess materials into several equal and uniform cuboids. The tensile test was then applied to the lengthwise direction and transverse direction of the cuboids.
Results: Multiple tensile tests were performed on several planes. The average Poisson's ratio of plane length and width was 0.26, 0.28, 0.26, and 0.25, respectively. It can be seen that the elasticity of the template printed by the complex mode technology is better than that of the general 3D printed model, and the function is more similar to the human muscle tissue, which is of great significance for clinical verification.
Conclusion: The material printed by the complex mode technique has good elasticity and contraction, and has similar functions to the muscle tissue of the human body, which provides convenience for clinical verification. It is an elastic material that can be used for the simulation of human organs and clinically tested medical imaging equipment for quality control of dynamic organ imaging. It is of great significance for clinical trials.
Funding Support, Disclosures, and Conflict of Interest: This work was supported by National Key Research and Development Program of China (2016YFC0103400), Key Research and Development Program of Shandong Province (2017GSF218075), Jianfeng Q. was supported by the Taishan Scholars Program of Shandong Province (TS201712065).
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