| 摘要 |
<p>The present invention controls absorption rate of magnesium into the bone according to a recovery status of a living body. The present invention comprises at least a high corrosion resistant high purity magnesium metal part and a low corrosion resistant low purity magnesium metal part. The present invention controls a maintenance period of a necessary reinforcing function by one part of a living body instrument, and after this period has passed, causes the reinforcing function of the living body instrument to be lost.</p> |
