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Related Experiment Video

Updated: Jul 20, 2026

Application of Acupotomy in a Knee Osteoarthritis Model in Rabbit
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Application of Acupotomy in a Knee Osteoarthritis Model in Rabbit

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Electrosurgical arthroscopic patellar denervation.

Jordi Vega1, Pau Golanó, Luis Pérez-Carro

  • 1Department of Orthopedics, La Mútua, Granollers, Barcelona, Spain. jordivega@hotmail.com

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association
|September 6, 2006
PubMed
Summary

A novel arthroscopic patellar denervation technique offers a potential solution for intractable patellofemoral pain. This minimally invasive procedure targets peripatellar soft tissue to reduce pain without significant malalignment.

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Area of Science:

  • Orthopedic Surgery
  • Pain Management
  • Sports Medicine

Background:

  • Patellofemoral pain is a common, often idiopathic condition in young individuals, presenting management challenges.
  • Pathophysiology involves complex factors, with nociceptive receptors concentrated in peripatellar soft tissues.

Purpose of the Study:

  • To describe a new arthroscopic technique for treating patellofemoral pain.
  • To evaluate the efficacy of patellar denervation via thermal lesion for intractable anterior knee pain.

Main Methods:

  • An arthroscopic technique involving thermal lesioning of peripatellar soft tissue was developed.
  • An electrocoagulator is inserted via anterointernal and suprapatellar approaches with the leg in maximum extension.
  • Care is taken to avoid the patellar tendon to prevent vascular injury and patellar necrosis.

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Main Results:

  • A simple thermal lesion effectively obliterates numerous nociceptive receptors in the peripatellar region.
  • The procedure targets the anterior knee area, leading to desensitization.

Conclusions:

  • Patellar denervation through this arthroscopic thermal lesion technique provides a potential solution for patients with intractable patellofemoral pain.
  • This method is suitable for patients with minimal or no malalignment and no obvious structural alterations.