[L. dilatare, to expand]
An instrument for dilating a muscular tubular structure, e.g., an esophagus, or for stretching cavities or openings.
A dilator that slips into a narrow structure and then inflates to widen it.
A rubber bag filled with fluid for dilation of the cervix uteri.
A multiple-pronged instrument formerly used to dilate the uterine cervix.
An obsolete instrument for dilating the cervix.
An instrument for dilating the vagina or the cervix uteri.
Graduated metal sounds that are inserted into the cervical canal and cause a graded dilation.
A gynecological dilator made of materials that swell after absorbing fluids from body tissues. It is used to facilitate dilation of the cervix uteri (uterine cervix), e.g., in induction of labor or in dilation and curettage.
A dilator that has a tapered end and a wider middle and is inserted progressively into a stricture until its widest point crosses the stricture and expands its diameter.
A glass, plastic, or metal device for dilating the vagina.
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