Three-dimensional Limited Element Analysis of the Complication after Resection of Head of Radius for Adults
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    Abstract:

    Objective To adopt a three-dimensional limited element analytic method to research into the cause and mechanism of the complications taking place after resection of head radius. Method To adopt a three-dimensional limited element analytic method to research into the stress transmission action of the head radius and the distribution alteration of the stress transmission after resection of head radius impacting on the stability of elbow and wrist. Results In normal cases, the stress value transmitted via head of radius takes 58% of the stress placed, 36.85% via humeroulnar joint. The head of radius places a leading role in the stress transmission of the elbow joint. After resection of the head of radius, the lateral of humeroulnar joint bears about 43% of the stress placed while the medial part bears about 21.6% of the stress. To compare with that before the resection of the head of radius the stress on the lateral is obviously increased more than the medial part. Conclusion The head of radius places a leading role in the stress transmission of the elbow joint. The resection of the head radius breaks the normal distribution of the stress on the elbow joint and produces great effect on the stability of the elbow joint and wrist joint. Therefore, in clinics we should pay great attention to the indication of resection of the head of radius.

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Zhang Jian-xin, Tian Hong-bo, Chen Ri-qi. Three-dimensional Limited Element Analysis of the Complication after Resection of Head of Radius for Adults[J]. Journal of medical biomechanics,2009,24(6):444-447

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History
  • Received:January 04,2009
  • Revised:February 16,2009
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