Hygroscopic Laminaria cervical dilator.

(a) Identification. A hygroscopic Laminaria cervical dilator is a device designed to dilate (stretch open) the cervical os by cervical insertion of a conical and expansible material made from the root of a seaweed ( Laminaria digitata or Laminaria japonica). The device is used to induce abortion. (b) Classification. Class II (performance standards).