A fastener system utilizes an H-shaped fastener which is composed of a pair of shaft members having a diameter of approximately 1 mm that are interconnected by a bridge shaft resiliently joined to the shaft members to form the H-shape. The shaft members have sufficient columnar resistence to bending...http://www.google.de/patents/US5290297?utm_source=gb-gplus-sharePatent US5290297 - Surgical fastener system
