A resiliently flexible body having a non-spherical shape and having a magnetizable portion for use in sealing an anatomical cavity such as a urinary bladder. The body is compressed and then inserted into the cavity. In the cavity the body is experimented and positioned at the cavity outlet. The body...http://www.google.fr/patents/US6398718?utm_source=gb-gplus-shareBrevet US6398718 - Intravesicular device
