By Soo-Young Oh

ISBN-10: 3805591888

ISBN-13: 9783805591881

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Additional info for Autologous Bone Plugs Fusion: Treatment for Lumbar Instability: 3E Criteria Technical Operative Notes The Functioning of the Oh's Screw

Sample text

With obese patients, the pelvic region is not easy to check visually, but thanks to the screw checking is now easier (fig. 55). 42 a b Fig. 53. a Marking screw visible only. Dorsal plug not visible. Ventral plug not visible. Normal screw fixation. b Optimal screw and plug position. S Fig. 54. Fusion operation performed under theoretical consideration without screw. First attempt with excellent results. History of Oh’s Temporary Marking Screw Development Fig. 55. With pelvic shadow no clear visibility of fusion plugs.

Regular X-rays were done to check the position of the screw. Case: 1st Patient with Oh’s Fusion 46-year-old male (no screw). Diagnosis: Sciatic pain on both sides with IVHD with instable spondylolisthesis L5/S1 (fig. 54–57). Therapy: Removal of the herniated disc and fusion with bone plugs. 1990. Control: 9 years later the author invited the patient for a checkup. The patient was in a good condition, having no back pain or pain in the legs. X-ray showed good consolidation (fig. 54). 2nd Period – Normal Screw Application: 1993–1997 With the ventral plug seats stable, it can happen that the dorsal plug could slip into the spinal canal (table 2).

Skiing accidents at moderate speeds (30–60 km/h) result in back injury, as shown in many cases observed by the author. X-ray revealed that the spondylolisthesis may have already existed before. Unknown The author reported about 138 cases in 1998. 51 patients complained of back pain, the age of these patients ranged between 40 and 50 years old. Patients with long-term recurrent pain often had evidence of being involved in accidents. The anamnesis – the health condition before and after an accident – is not always clear.

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Autologous Bone Plugs Fusion: Treatment for Lumbar Instability: 3E Criteria Technical Operative Notes The Functioning of the Oh's Screw by Soo-Young Oh


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