Hegar's dilators

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• Hegar dilators — a series of bougies of varying sizes for dilating the ostium uteri. Hegar uterine dilators …   Medical dictionary

• Hegar — Alfred, German gynecologist, 1830–1914. See H. dilators, under dilator, H. sign …   Medical dictionary

• Dilator — A device used to stretch or enlarge an opening. Patients with scarring of the muscular tube through which food passes from the throat to the stomach (esophagus) can require a dilator procedure in order to open the esophagus for adequate passage… …   Medical dictionary

• Sound (medical instrument) — In medicine, sounds are instruments for probing and dilating passages within the body, the best known examples of which are urethral sounds and uterine sounds. Some men and women enjoy using them for urethral play.Urethral soundsUrethral sounds… …   Wikipedia

• dilator — n. 1) an instrument used to enlarge a body opening or cavity. For example, the male urethra may become narrowed by disease and it can sometimes be restored to its original size by inserting a dilator. Dilators (such as Hegar s dilator) are also… …   The new mediacal dictionary