The present invention relates to an echogenic and/or radio-opaque device adapted to permit carrying out removals from the genital organs for analysis, or adapted to promote the transfer of products, particularly gametes or embryos, into the female genital organs, or again adapted to carry out tests for the introduction of catheters into the uterus and to analyze the morphology of the neck of the uterus and of the uterine cavity, the device being characterized in that the device contains an echogenic and/or radio-opaque material permitting visualizing by medical imagery, particularly by echography or radiography, the position of the usable orifice or of the distal portion of the device.