Design of a load cell for the wagner distractor

G.J. Verkerke, H. Schraffordt Koops, R.P.H. Veth, H.K.L. Nielsen, H.H. van den Kroonenberg, H.J. Grootenboer, L.J. de Boer, F.M. van Krieken*, H. Wagner, H.G. Pock

*Corresponding author for this work

Research output: Contribution to journalReview articleAcademicpeer-review

5 Citations (Scopus)

Abstract

A leg length inequality can be treated by using a Wagner distractor. With this apparatus, it is possible to extend the upper or lower leg slowly. By analysing the measurements of the axial force acting on the femur or tibia the treatment can be optimized and soft tissue damage prevented. To measure the axial force, a load cell has been designed and constructed. This load cell is built into a Wagner distractor and connected with a specially designed measuring amplifier. The load cell and amplifier do not interfere with the lengthening procedure. They are safe for the patient and have an acceptable error of 7 per cent.

Original languageEnglish
Pages (from-to)91-96
Number of pages6
JournalProceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine
Volume203
Issue number2
DOIs
Publication statusPublished - Jun 1989

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    Verkerke, G. J., Koops, H. S., Veth, R. P. H., Nielsen, H. K. L., van den Kroonenberg, H. H., Grootenboer, H. J., ... Pock, H. G. (1989). Design of a load cell for the wagner distractor. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 203(2), 91-96. https://doi.org/10.1243/PIME_PROC_1989_203_016_01