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Updated: Feb 14, 2026

Clinical Application of Microscope-Assisted Minimally Invasive Anterior Lumbar Interbody Fusion
Published on: June 16, 2023
Full endoscopic lumbar interbody fusion (FELIF): technical note
Myung Soo Youn1, Jong Ki Shin2, Tae Sik Goh3
1Department of Orthopaedic Surgery, Myungeun Hospital, 184 World Cup-daero, Yeonje-gu, Busan, 47521, South Korea.
Full endoscopic lumbar interbody fusion (FELIF) offers a minimally invasive approach for degenerative lumbar disease, providing direct decompression with a shorter recovery. This novel technique enhances safety and effectiveness in spinal fusion procedures.
Area of Science:
- Neurosurgery
- Orthopedic Surgery
- Minimally Invasive Spine Surgery
Background:
- Traditional open discectomy for degenerative lumbar disease involves lengthy recovery.
- Existing interbody fusion methods have inherent limitations.
- Minimally invasive techniques are sought to improve patient outcomes.
Purpose of the Study:
- To introduce and describe a novel Full Endoscopic Lumbar Interbody Fusion (FELIF) technique.
- To highlight the advantages of FELIF, including direct decompression and minimal invasiveness.
- To present technical aspects for optimizing the FELIF procedure.
Main Methods:
- Description of the FELIF technique under full endoscopic visualization.
- Discussion of surgical steps, indications, and potential complications.
- Presentation of strategies to reduce operative time and simplify the procedure.
Main Results:
- FELIF allows direct decompression of the lumbar exiting nerve root.
- FELIF provides decompression of the ventral dura.
- The technique is performed in a minimally invasive setting.
Conclusions:
- Full Endoscopic Lumbar Interbody Fusion (FELIF) is a safe and effective treatment option.
- FELIF enables direct decompression of neural structures in the lumbar spine.
- This minimally invasive approach offers significant advantages over traditional methods.
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