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Range of motion measurement of an artificial hip joint using CT images.

Range of motion measurement of an artificial hip joint using CT images. Research Abstract Details 

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  • Range of motion measurement of an artificial hip joint using CT images. Abstract Text:

    haosheng sunHaosheng Sun,hidenori inaokaHidenori Inaoka,yutaka fukuokaYutaka Fukuoka,tadashi masudaTadashi Masuda,akimasa ishidaAkimasa Ishida,sadao moritaSadao Morita,haosheng sunHaosheng Sun,hidenori inaokaHidenori Inaoka,yutaka fukuokaYutaka Fukuoka,tadashi masudaTadashi Masuda,akimasa ishidaAkimasa Ishida,sadao moritaSadao Morita,

    Total hip arthroplasty (THA) is one of the most effective treatments for osteoarthritis and rheumatoid arthritis. Dislocation of the femoral head from the acetabular socket is a major problem of THA. To prevent dislocation, it is important to know the range of motion (ROM) after THA. Although various studies on the ROM were carried out, there exist only a few reports on ROM evaluation in individual patients. This is because in clinical cases, bone-to-bone and bone-to-component contacts must be considered besides the impingement of components. In this study, a new method for evaluating ROM of internal/external rotation, which takes into account all combinations of contacts between the bones and components, was proposed. A computer simulation demonstrated that the RMS error of the proposed method was approximately 3 degrees . The method was applied to 33 THAs under various conditions of flexion and adduction angles. The method was able to detect any type of impingement. The evaluated ROM was in good agreement with that measured during the THA operation (correlation coefficient = 0.91).

    Range of motion measurement of an artificial hip joint using CT images. Publishing Authors By Initials

    h sunH Sun,h inaokaH Inaoka,y fukuokaY Fukuoka,t masudaT Masuda,a ishidaA Ishida,s moritaS Morita,h sunH Sun,h inaokaH Inaoka,y fukuokaY Fukuoka,t masudaT Masuda,a ishidaA Ishida,s moritaS Morita,

    For similar abstracts research abstracts see: abstracts research

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    Range of motion measurement of an artificial hip joint using CT images. Journal Published:

    PUBLICATION TYPE: Journal Article

    Journal: Medical & biological engineering & computing

    VOLUME: 45

    Page Numbers: 1229-35

    Journal Abbreviation:

    ISSN: 0140-0118

    DAY: 26

    MONTH: 09

    YEAR: 2007

    Range of motion measurement of an artificial hip joint using CT images. Information

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    LANGUAGE: eng

    NlmUniqueID: 7704869

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    Grant and Affiliation Information for Range of motion measurement of an artificial hip joint using CT images.

    AFFILIATION: Department of Rehabilitation Medicine, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan.

    Country: United States

    United States Research PublicationUnited States Research Publication

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    MEDLINETA: Med Biol Eng Comput

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