骨瓣开颅 meaning in Chinese

craniotomy with bone flap

Part i the study on the surgical anatomy of the retrosigmoid and the improvement of the craniotomy skills objective to improve the craniotomy skills of the retrosigmoid approach and to find a safer , fast , more effective and less postoperative complication method
第一部分乙状窦后入路外科解剖学及开颅技术改进的研究目的：对乙状窦后入路的骨瓣设计进行改良研究，寻找一种安全、快速、有效、并发症少的骨瓣开颅技术。