- A dictionary of medical eponyms

Okuda's needle

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Also known as the the Chiba needle, Chiba liver-biopsy needle, Okuda-Chiba liver-biopsy needle; or the. Synonym: Skinny needle. A thin-walled, highly flexible steel needle with an outside diameter of 0,7 mm and an inner diameter of 0.5 mm used to cannulate very small bile ducts to perform percutaneous transhepatic cholangiography.


  • K. Okuda:
    Thin needle percutaneous transhepatic cholagiography – historical review ( editorial).
    Endoscopy, 1980, 12: 2-7.

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