注意：如果只是维修阀瓣，就不要拆卸阀瓣固定器，只需拆卸支撑阀瓣固定器板的六角头螺丝和拆卸阀瓣即可。
NOTE: the disc holder should not be removed when servicing only the disc, remove Allen head screws holding the disc retaining plate and replace disc.
目的：观察新型头环石膏固定器在颈椎结核治疗中应用的临床效果。方法：用本法治疗6例伴有后突畸形的颈椎结核。
Objective: To observe the clinical results of the use of new type halo-cast fixation apparatus in the treatment of tuberculosis of cervical spine.
本固定器，结构科学合理，适用于头、颈、脊柱、胸、腰各段后路手术。
The said fixing device with scientific and reasonable construction is suitable to surgical operation for head, neck, back bone, chest and waist.
本固定器，结构科学合理，适用于头、颈、脊柱、胸、腰各段后路手术。
The said fixing device with scientific and reasonable construction is suitable to surgical operation for head, neck, back bone, chest and waist.
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