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A New Method of Hysterosalpingography: A Preliminary Communication

Radiology Department, Eastern General Hospital, Edinburgh

This excerpt was created in the absence of an abstract.

A New method for hysterosalpingography has been devised by Dr. Malmström and his colleagues in Sweden. The instrument employed is known as the MW-Cannula (Malmström-Westman) and is now available in this country.^*

Details of the construction and functioning of the apparatus are shown in Figs. 1 and 2. The apparatus consists of a glass cup (1) large enough to contain the cervix. In the centre of this cup there is a rubber-covered nipple known as the acorn (2) for insertion into the cervical canal. The cup is connected by a lumen (10) to a mechanism for producing negative pressure consisting of a vacuum pump (3) a vacuum bottle (4) and a vacuum meter (5), and by means of this negative pressure the cervix is sucked into the cup and held there. The acorn is connected by another lumen (9) to a syringe (6), by which the opaque medium can be injected. The distance of insertion of the acorn into the cervial canal is controlled by the adjustment screw (7).