Cannulated Screws for Lumbar Spinal Disease

Nobuhiro Ikari; Yasushi Asakawa; Toyonobu Yoshimura; Jun Arimizu; Yuichiro Akiyoshi; Kosuke Ogata; Hideaki Murata; Kazuhiko Saeki

doi:10.5035/nishiseisai.44.1050

Nobuhiro Ikari, Yasushi Asakawa, Toyonobu Yoshimura, Jun Arimizu, Yuichiro Akiyoshi, Kosuke Ogata, Hideaki Murata, Kazuhiko Saeki

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Keywords: lumbar spinal disease, cannulated screw, osteoplastic laminectomy, segmental fixation

JOURNAL FREE ACCESS

1995 Volume 44 Issue 3 Pages 1050-1055

DOI https://doi.org/10.5035/nishiseisai.44.1050

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Abstract

We used cannulated screws to fix spinal laminae when performing osteoplastic laminectomy or segmental fixation for surgical treatment of lumbar spinal diseases. We report our experience using these screws in 15 patients. The screws are 3.5mm in diameter and made of titanium. Kirschner wires are used as guide wires before inserting the screws. It is possible to insert this screw more safely and with greater accuracy than what has been available up to this time. Because they are made of titanium it is also possible to follow the post-operative course with MRI. Althaugh in the preliminary stages we believe that this method offers many potential advantages.

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