侧路腰椎椎体间融合术（XLIF）是用于治疗因退变性椎间盘疾病引起的腿或腰痛的微创手术。该手术经病人的一侧实施，避免损伤背部重要的肌肉。本视频清晰地向大家展现XLIF的手术步骤。
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Lateral lumbar interbody fusion (XLIF? ) is a minimally-invasive procedure used to treat leg or back pain generally caused by degenerative disc disease. The procedure is performed through the patient’s side, avoiding the major muscles of the back. This video gives a clear picture of XLIF surgery.
侧路腰椎椎体间融合术（XLIF? ）是用于治疗因退变性椎间盘疾病引起的腿或腰痛的微创手术。该手术经病人的一侧实施，避免损伤背部重要的肌肉。本视频清晰地向大家展现XLIF的手术步骤。
Overview（概述）
Unlike traditional back surgery, XLIF? is performed through the patient's side. By entering this way, major muscles of the back are avoided. This minimally-invasive procedure is generally used to treat leg or back pain caused by degenerative disc disease. It can be performed on an outpatient basis.
与传统的腰椎下同，XLIF? 从病人的侧面施行。通过此入路，可避免损伤背部重要的肌肉。这种微侵袭手术常用于治疗退变性腰椎间盘突出症，可以在门诊手术室进行。
Accessing the Spine（显露脊柱）
The surgeon creates two small incisions in the patient's side. These incisions are much samller than those used in traditional back surgery. A probe is inserted through one incision. The second incision is used to help guide the surgical instruments.
外科医生在病人的侧面做两个小切口。这些切口比传统后路手术切口小得多。切口用于插入探针，另一个切口用于引导手术器械。
Avoiding Nerves（避开神经）
The surgeon uses the probe to stimulate and detect nerves along the side of the spine. When a nerve is found it can be avoided and left undamaged. Fluoroscopic X-ray images also are used to guide the probe to the proper position on the spine.
外科医生使用探针来刺激和探测沿脊柱一侧排列的神经。当探测到神经，就可以避开，以免损伤。术中X-线透视也用来引导探针到达脊柱的正确位置。
Dilation tubes inserted（插入扩张管道）
A series of dilation tubes are slid over the probe to create a larger opening. Then, a retraction device is used to move aside muscle tissue and gain access to the spine.
通过探针，逐级插入扩张管道，以制造出一个较大的开口。然后，用一个牵开装置将肌肉组织推开，获得到达脊柱的通路。
Disc Removed（去除椎间盘）
The surgeon operates through the channel created by the retractor. The damaged disc is removed.
通过牵开装置形成的通路，外科医生进行手术操作，去除病损的椎间盘。
Implant Inserted（植入内植物）
An implant filled with bone graft is placed into the empty disc space, realigning the vertebral bones. This also lifts pressure from pinched nerve roots. Bone Morphogenetic Protein（BMP） may also be used to encourage bone growth and a strong fusion.
在被挖空的椎间隙内植入填了骨移植物的内植物，重建椎骨序列。这样还可以减轻神经根压迫。可能还会使用骨形态发生蛋白（BMP）以促进骨生长达到坚强的融合。
End of Procedure（手术结束）
The morselized bone graft will grow through and around the implant, forming a bone bridge that connects the vertebral bodies above and below. This solid bone bridge is called a fusion.
碎片状的骨移植物会通过内植物以及在其周围生长，形成连接上下椎体的骨桥。这个坚固的骨桥就称为融合。
（胡佰文 译）
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