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1998 Fiscal Year Final Research Report Summary

Ceramic implant coated with sheats of tendon replacement arthroplasty for Kienbock's disease. Stress and pressure distribution analysis.

Research Project

Project/Area Number 08671660
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Orthopaedic surgery
Research InstitutionOKAYAMA UNIVERSITY

Principal Investigator

HASHIZUME Hiroyuki  Okayama University Medical School, Associate Professor, 医学部, 助教授 (60237922)

Project Period (FY) 1996 – 1998
KeywordsFinite element method / Stress distribution / Wrist joint / Computer simulation / Pressure sensitive film / Tactile sensor
Research Abstract

To determine the usefulness of a ceramic lunate replacement for the wrist joint as a possible treatment for Kienb_ck's disease, we analyzed stress distribution by the finite element method (FEM) in five wrist joint models ; a normal wrist, one with the lunate bone removed, one with a coiled tendon replacement, one with a coiled tendon replacement with a ceramic core, and one with a ceramic lunate replacement coated with sheets of tendon. The results of FEM analyses were compared with those of pressure distribution analyses on the wrist joint using pressure-sensitive film and measurement of pressure on the radio- lunate joint with a tactile sensor. Stress and pressure were well-distributed in the Wrist joint of the ceramic lunate implant model. the coiled tendon model nor ceramic core model was able to resist applied force. These results demonstrate that the ceramic lunate implant prevents carpal collapse.

  • Research Products

    (2 results)

All Other

All Publications (2 results)

  • [Publications] 橋詰博行 他: "Kienbock病への腱被覆セラミックインプラント置換術.応力と接触圧分布の解析" 第10回バイオエンジニアリング講演会講演論文集. 97・72. 76-77 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hiroyuki Hashizume et al.: "Ceramic implant coated with sheats of tendon replacement arthroplasty for kienbbck's disease. Stress and pressure distribution analysis" 10th Bioengineering Meetings Proceedings. 97-72. 76-77 (1998)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1999-12-08  

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