A method of treating a vein comprises accessing a vein at an access point spaced from a sapheno-femoral junction. A bioabsorbable fibrous body is implanted into the vein through the access point. The body is moved in the vein toward the sapheno-femoral junction....http://www.google.se/patents/US7815661?utm_source=gb-gplus-sharePatent US7815661 - Method and apparatus for implanting an occlusive structure
