Apparatus for the artificial dilation of the neck of the human uterus

Abstract

Abstract 629,556. Surgical dilators. DIGENAKIS, N. M. March 24, 1947, No. 7980. Convention date, March 21, 1945. [Class 81 (ii)] Apparatus for dilating the neck of the uterus comprises a bag or sac 1 connected to a vessel 7 containing liquid which may be forced into the sac by a pump 11, manometers 4, 5 and valves 2, 6, 8 being provided to measure and regulate the pressure and means to indicate the quantity of liquid displaced. The vessel has a graduated sight glass and a pressure relief valve 2. The sac may have a transparent portion and an electric bulb to enable the dilation to be watched. A metal rod may connect the ends of the sac to prevent it extending lengthwise. The sac may be of stretchable or non-stretchable material. The Specification as open to inspection under Sect. 91 states also that the sac can be inflated by gas. This subject-matter does not appear in the Specification as accepted.

Inventors

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