THE TITANIUM/SILICONE RUBBER CLIP FOR FEMALE STERILIZATION

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Abstract
Summary: A composite titanium/silicone rubber clip has been developed for female sterilization. The 12–7 mm long metal clip is lined with silicone rubber and is bent round the Fallopian tube by means of an applicator that can be used laparoscopically. As tubal necrosis occurs, the rubber expands to keep the lumen blocked. The tube eventually divides and the stumps heal, closed. Since the Mark 3 version of the clip was introduced, over 5700 women in several countries have been sterilized. The first 540 British women who were folio wed‐up for five to 17 months experienced one method failure (ectopic) and two operator failures, a total failure rate of 5·5/ 1000. Clip‐related complications were minimal and long‐term sequelae were comparable to tubal ligation. The clip causes minimal destruction but still seems effective for tubal occlusion and it can accommodate thick tubes.