Ultrasound-guided obturator nerve block

Masanori Yamauchi, Yutaka Sato

Research output: Contribution to journalReview articlepeer-review

7 Citations (Scopus)


We reviewed the technique and anatomy for the ultrasound-guided obturator nerve block, especially interadductor approach. Although it is sometimes difficult to observe obturator nerve in the ultrasound image, obturator nerve block is completed observing three muscle layers, adductor longus muscle, adductor blevis muscle and adductor magnus muscle, in the ultrasound image. Local anesthetics are injected between the muscle layers confirming the needle tip and spread of the solution. This technique will reduce incomplete effect or side effects of the obturator nerve block.

Original languageEnglish
Pages (from-to)588-595
Number of pages8
JournalJapanese Journal of Anesthesiology
Issue number5
Publication statusPublished - 2008 May


  • Adductor muscle
  • Obturator nerve block
  • Ultrasound imaging


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