As a supplier of surgical instruments for over 40 years, Uniplex offers an extensive range of dilators in various sizes and configurations such as Hegar Dilators, Maingots Dilators and Nettleships Dilators. Engineered in Sheffield, England under Triple ISO Accreditations our dilators are chosen by healthcare professionals throughout the NHS. Primarily used to gradually enlarge an opening, passage or canal in the body to allow access for examination during medical procedures, dilators are designed in a rod like shape which tapers to a specific diameter allowing for progressive dilation when used in sets of increasing sizes.