| 摘要 |
<p>The invention relates to a device (1) for guiding a surgical instrument having one end for coupling to the head (3) of a bone-anchor element (2) and a longitudinal channel, said head (3) having a tapped longitudinal recess (30) intended for receiving a screw cap, said longitudinal recess (30) leading into a transverse channel (31) capable of receiving a link rod (4), characterised in that said guiding device (1) includes a rod (6) for guiding the surgical instrument (5), along longitudinal axis A, having one end comprising two semi-tubular tabs (7, 8) in which the outer section (S1) complements the inner section (S2) of said longitudinal recess (30) and in which the inner section (S3) is at least equal to the diameter (D) of the link rod (4), the cross-section of the guiding device (1) always being smaller than the section of the longitudinal channel of the surgical instrument.</p> |
