[Biomechanical experiment of non-stemmed anatomical total hip prosthesis arthroplasty in vitro]

[Biomechanical experiment of non-stemmed anatomical total hip prosthesis arthroplasty in vitro] Research Abstract Details 

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[Biomechanical experiment of non-stemmed anatomical total hip prosthesis arthroplasty in vitro] Abstract Text:

Qinming Fei,Shuizhong Hong,Tongyi Chen,Zhongwei Chen,Benwen Qian,

Biomechanical test in vitro was performed to study the biomechanical characteristics of the femoral component in the non-stemmed anatomical total hip prosthesis (A-Fix) arthroplasty. It mimics two stages, the early stage with cementless and the later stage with cement fixation that imitates bone ingrowth. The results were compared with that of normal proximal femur by normalized coefficient analysis. Translation of femoral head after hip replacement is slightly more than normal. The strain of femoral neck after replacement is lower than that of normal. It changes flatly. The security coefficient in early stage is raised by 13% on the tensile side and by 27.6% on the compressive side of femoral neck; that in later stage is raised by 29.6% and by 22.1% separately. The maximal torsional angle of femoral head is minimal, it is 0.02 times that of normal in early stage and 0.01 times in later stage. It demonstrated that A-Fix arthroplasty has the characteristics of low stress and deformation, high intensity and rigidity, and anti-loosening, thus affording mechanical evidences for its clinical use.

[Biomechanical experiment of non-stemmed anatomical total hip prosthesis arthroplasty in vitro] Publishing Authors By Initials

Q Fei,S Hong,T Chen,Z Chen,B Qian,

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[Biomechanical experiment of non-stemmed anatomical total hip prosthesis arthroplasty in vitro] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Sheng wu yi xue gong cheng xue za zhi = Journal of

VOLUME: 22

Page Numbers: 104-7

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ISSN: 1001-5515

DAY: 14

MONTH: Feb

YEAR: 2005

[Biomechanical experiment of non-stemmed anatomical total hip prosthesis arthroplasty in vitro] Information

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LANGUAGE: chi

NlmUniqueID: 9426398

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Grant and Affiliation Information for [Biomechanical experiment of non-stemmed anatomical total hip prosthesis arthroplasty in vitro]

AFFILIATION: Department of Orthopedics, Zhongshan Hospital, Fudan University, Shanghai 200032. Feiqm@163.net

Country: China

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MEDLINETA: Sheng Wu Yi Xue Gong Cheng Xue

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