대한의용생체공학회:의공학회지 (Journal of Biomedical Engineering Research)

  • 제46권4호
  • /
  • Pages.366-375
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  • 2025
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  • 1229-0807(pISSN)
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  • 2288-9396(eISSN)
대한의용생체공학회 (The Korean Society of Medical and Biological Engineering)
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DOI QR코드

DOI QR Code

대동맥 인조혈관 원형 스테이플 문합에서의 누출 위험 분석: 유한요소 시뮬레이션 기반 연구

Leakage Risk Analysis in Aortic Graft Circular Stapler Anastomosis: A Finite Element Simulation Study

  • 서명재 (동국대학교 대학원 바이오헬스의료기기규제과학과) ;
  • 권지연 (동국대학교 대학원 바이오헬스의료기기규제과학과) ;
  • 김성민 (동국대학교 의생명공학과)
  • Myeong Jae Seo (Department of Regulatory Science for Medical Device, Graduate School, Dongguk University) ;
  • Ji Yean Kwon (Department of Regulatory Science for Medical Device, Graduate School, Dongguk University) ;
  • Sung Min Kim (Department of Biomedical Engineering, Dongguk University)
  • 투고 : 2025.04.01
  • 심사 : 2025.08.27
  • 발행 : 2025.08.31
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초록

Aortic aneurysms, caused by abnormal expansion of the aortic wall, pose critical risks upon rupture. Circular stapler anastomosis offers a faster and safer alternative to suturing. This study evaluates leakage risk and fixation strength in aortic graft circular stapler anastomosis using finite element analysis (FEA). A simplified FEA model was developed and validated using existing leakage pressure data. Key parameters, including inter-row distance, triple-row structure and triple-row spacing were analyzed. The Factor of Safety (FoS) was defined to quantitatively compare leakage risks under varying conditions. The inter-row distance critically influenced leakage risk, with wider gaps increasing leakage likelihood. Conversely, the triple-row structure significantly enhanced fixation strength, reducing leakage risk. Internal spacing within the triple-row exhibited minimal sensitivity. This study establishes a design framework for safer and more effective aortic graft circular stapler anastomosis. Findings provide foundational data for optimizing design and assessing leakage risk.

키워드

과제정보

본 연구는 식품의약품안전처의 규제과학인재양성 사업(R&D)(22183규제학367)으로부터 지원받아 수행되었음.

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