A bone anchor and methods for using same to secure connective tissue, such as tendons, to bone are disclosed which permit a suture attachment that lies entirely beneath the cortical bone surface. The bone anchor of the invention incorporates a deformable body that creates an increased anchor body diameter...http://www.google.de/patents/US6660008?utm_source=gb-gplus-sharePatent US6660008 - Method and apparatus for attaching connective tissues to bone using a suture anchoring device
