| 摘要 |
<p>A new device for the application of an interspinous distraction device, comprising one or more percutaneous entry cannulae (1), of appropriate dimension and suitable for passage of the various instruments such as (2 - 3 - 7 - 9 -13 -14 -15) and one or more introducer rods (2 - 3) adapted at the outset or adaptable elastically to said cannula/cannulae slightly longer than the same and terminating in a preferably ogival tip (4), from sharp, for example, to three-quarters (6C), or in other shapes which are suitable for the purpose of passing or favouring the passage through human tissue.</p> |
