| 摘要 |
<p>PURPOSE:To provide a stem for fixing an artificial joint which will not be loosened after operation. CONSTITUTION:An intraspinal insertion part 4 to be inserted into a medulary space is arranged to be a double wall structure of an inner cylinder 7 and an outer cylinder 8 having a space part therebetween. A through hole 9 penetrated into the space part is formed in the entire surface of the outer cylinder 8 to inject a bioactive type bone cement into the space part.</p> |
