Transcatheter aortic valve implantation (TAVI) has become the mainstay of treatment for aortic stenosis. Reasonable extension of TAVI utilization into a broader group, however, would mandate further device refinement.

中文翻译：

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预包装的可自我扩张的干组织经导管主动脉瓣的首次人为植入

经导管主动脉瓣植入术（TAVI）已成为主动脉瓣狭窄的主要治疗手段。但是，将TAVI的使用合理地扩展到更广泛的人群中将要求进一步完善设备。