A surgical instrument for use in hernia repair comprises an elongate tube having a distal end and a proximal end and a balloon attached in a collapsed configuration to the tube at the distal end, the balloon being made of a material which is absorbable by the human body. A net which envelops the balloon...http://www.google.co.uk/patents/US5176692?utm_source=gb-gplus-sharePatent US5176692 - Method and surgical instrument for repairing hernia
