In this work, we present an injection molded soft total artificial heart (sTAH) produced from high-temperature vulcanizing silicone using an industrial metal injection mold. At 60 beats per minute, the sTAH exhibited a total cardiac output of over 16 L/min against physiological pressures on a mock circulation and was pumped continuously for 110,000 actuation cycles. Finite element analysis was used to identify stress concentrations within the sTAH, allowing an optimized design to be proposed.

中文翻译：

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提高注射成型软质人工心脏的寿命和泵送性能

在这项工作中，我们展示了一种使用工业金属注塑模具由高温硫化硅胶制成的注塑软质人工心脏 (sTAH)。在每分钟 60 次心跳时，sTAH 在模拟循环的生理压力下表现出超过 16 L/min 的总心输出量，并连续泵送 110,000 个驱动周期。有限元分析用于识别 sTAH 内的应力集中，从而可以提出优化设计。