Dilator

Surgical instrument or medical implement used to expand an opening or passage
A 16th-century lithotomy dilator, used to expand the urethra for extraction of urinary stones

Dilator or dilatator is a medical term with a number of uses, including:

  • A surgical instrument or medical implement used to induce dilation, that is, to expand an opening or passage such as the cervix (see cervical dilator), urethra, esophagus, or vaginal introitus.
  • A pharmacological treatment used to induce dilation, such as cervical dilation, vasodilation, or pupillary dilation. For example, a bronchodilator.
  • A muscle which causes dilation of a part, for example, the iris dilator muscle or the dilator naris muscle.

See also

Wikimedia Commons has media related to Dilators.
  • Stent
  • Vaginal dilator
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Post-mortem examinations
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Dissecting
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Grasping
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