- A dictionary of medical eponyms

Hegar's dilator

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A series of bougies of varying sizes for dilating the ostium uteri. They are made of metal, glass or hard rubber. First described in an article by one of Hegar's students in 1879.

We thank Patrick Jucker-Kupper for information submitted.


  • A. Hegar:
    Die operative Gynäkologie mit Einschluss der gynäkologischen Untersuchungslehre. With Rudolf Kaltenbach (1842-1893). 2nd edition, Stuttgart, Enke, 1881.
    The book contains drawings of the first dilators which differ little from those used today.

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