Zoekopdracht:
faculteit: "ACTA" en publicatiejaar: "2010"
| Auteurs | W.C. de Jong, J.H. Koolstra, L.J. van Ruijven, J.A.M. Korfage, G.E.J. Langenbach | | Titel | A fully implantable telemetry system for the long-term measurement of habitual bone strain |
| Tijdschrift | Journal of Biomechanics |
| Jaargang | 43 |
| Jaar | 2010 |
| Nummer | 3 |
| Pagina's | 587-591 |
| ISSN | 00219290 |
| Faculteit | ACTA |
| Samenvatting | Long-term in-vivo recordings of habitual bone strain in freely moving animals are needed to better understand the everyday mechanical loading environment responsible for bone-tissue maintenance. However, wireless methods to make such recordings are scarce. We report on the successful customisation of a commercially available voltage transmitter hooked-up to a strain-gauge rosette, its subcutaneous implantation in rabbits, and the quality of the implant's strain-gauge recordings. Continuous wireless recordings of a completely operational strain-gauge rosette glued to the mandibular surface of a freely moving rabbit could be made up to 33 h. The resolution of the system was 1.5 microstrains/bit. The noise in the signal was 4.5 microstrains. To facilitate the automatic counting of bone-strain events in the retrieved data, and to calculate their peak amplitude, a novel approach is presented. The described technique enables the quantification of the daily bone-strain history defining the architecture and composition of bone tissue, and can help to further elucidate the strain parameters which influence bone tissue. |
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