What is "dilators"

Usage examples of "dilators".

Nancy had a normally antero-flexed uterus, and the curve on the dilators was a perfect match.

As he pressed them carefully apart and locked the dilators in position, he knew that the circulation in several of those vessels was being seriously impaired, and that he was constricting one of the lungs and rendering it little more than sixty percent effective.

A small table contained a variety of very long-handled, highly polished wooden implements that appeared to be probes, dilators, and spatulas for the nonsurgical investigation of body orifices, some jars of local medication, and, incongruously, the lifeless x-ray scanner left by Conway.