Herbert screw

Last revised by Mostafa El-Feky on 8 Jan 2023

A Herbert screw is an instrument used in the internal fixation of an unstable scaphoid fracture. It is a headless screw with thread along its entire length. The two halves of the screw have a different pitch though, which causes compression of the fracture.


Unstable scaphoid fractures include:


  • ineffective in long-standing non-united scaphoid fractures

History and etymology

It is named after Timothy James Herbert (British Orthopedic Surgeon) 2.

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Cases and figures

  • Case 1
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  • Case 2
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  • Case 3: with scaphoid nonunion
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