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Related Experiment Video

Updated: Jan 30, 2026

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Working Cannula-Based Endoscopic Foraminoplasty: A Technical Note.

Suxi Gu1, Kedong Hou2, Wei Jian3

  • 1Orthopedic Department, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102248, China.

Biomed Research International
|January 24, 2019
PubMed
Summary
This summary is machine-generated.

The novel Kiss-Hug maneuver enhances lumbar foraminoplasty during percutaneous endoscopic lumbar discectomy (PELD). This endoscopic technique safely enlarges the foramen, reducing operation time and radiation exposure for patients and surgeons.

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Area of Science:

  • Neurosurgery
  • Minimally Invasive Spine Surgery

Background:

  • Percutaneous endoscopic lumbar discectomy (PELD) offers minimally invasive treatment for lumbar disc issues.
  • Lumbar foraminal stenosis presents challenges for disc removal, often requiring foraminoplasty.
  • Traditional foraminoplasty may involve complications, radiation exposure, and prolonged operative times.

Purpose of the Study:

  • To introduce and evaluate the Kiss-Hug maneuver, a novel endoscopic technique for lumbar foraminoplasty.
  • To address the challenges of efficient foramen enlargement in PELD for foraminal stenosis.
  • To minimize radiation exposure and protect neural structures during the procedure.

Main Methods:

  • The study details a new technique, the Kiss-Hug maneuver, performed under endoscopic visualization.
  • The bevel tip of a working cannula is utilized as a bone reamer for endoscopic foramen enlargement.
  • This method avoids the need for separate reamers or trephines, simplifying the procedure.

Main Results:

  • The four-step Kiss-Hug maneuver was successfully implemented, with adverse events documented.
  • Key advantages include significant reduction in radiation exposure for both patients and surgeons.
  • The technique also led to a decrease in the overall surgical operation time.

Conclusions:

  • The endoscopic Kiss-Hug maneuver is presented as a safe and effective foraminoplasty technique.
  • It enhances the efficiency of foraminoplasty in the context of PELD.
  • The maneuver contributes to improved patient safety and reduced radiation exposure in minimally invasive spine surgery.