Since the 21st century, minimally invasive techniques of lumbar spine have been widely used worldwide, and lumbar fusion techniques have emerged in endlessly, including anterior lumbar interbody fusion, obilique lumbar interbody fusion, minimally invasive⁃transforaminal lumbar interbody fusion, extreme lumbar interbody fusion, endoscopic⁃posterior/transforaminal lumbar interbody fusion (Endo⁃P/TLIF), unilateral binary channel endoscopy lumbar interbody fusion (UBELIF), V⁃shape binary channel endoscopy lumbar interbody fusion (VBELIF), etc., therein Endo⁃P/TLIF, UBELIF and VBELIF are relatively popular minimally invasive surgical methods of lumbar interbody fusion via posterior lateral approach in recent years. However, none of the current surgical methods can achieve direct intervertebral disc treatment, bone graft bed preparation, and fusion implantation in the intervertebral disc, therefore it is impossible to avoid the risk of nerve root injury caused by these procedures. Our research team developed a set of percutaneous lumbar fusion instruments, which can achieved the key procedures of direct Kambin triangle distension, direct intervertebral disc distension, direct discectomy, direct bone graft bed treatment, and implantation of direct bone graft and fusion. Based on the five “direct” advantages of percutaneous lumbar fusion instruments, an innovative procedure, namely, quick transforaminal lumbar interbody fusion, is proposed.

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