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GYNOGRAPH, MODEL 2, ACCEPTED
Manufacturer: Goodman-Kleiner Company, Inc., 5 East 17th Street, New York 3.The Gynograph, Model 2, is a portable device used to inject measured volumes of liquid or gas under controlled pressures into the uterus and uterine tubes for diagnostic or therapeutic purposes. Acceptance of a previous model was announced in The Journal (137: 1384 [Aug. 14] 1948).The present model contains an airplane type of manometer instead of the mercury type previously used. An especially designed spring (nonfriction) lever is substituted for the friction valve originally used, and an automatic flow meter replaces the water-filled, bubble-counting chamber as the means for indicating the rate of flow of carbon dioxide. A pressure regulator permits the user to preset the instrument for any intrauterine pressure.The apparatus weighs 5.4 Kg. (12 pounds) and measures 18 by 19 by 40 cm. (7 by 7½ by 15¾ inches). The shipping
REPORTS OF THE COUNCIL. JAMA. 1950;142(3):181. doi:10.1001/jama.1950.72910210009009a