An innovative bone anchor and methods for securing soft tissue, such as tendons, to bone, which permit a suture attachment that lies entirely beneath the cortical bone surface. Advantageously, the suturing material between the soft tissue and the bone anchor is secured without the need for tying a knot....http://www.google.co.uk/patents/US7637926?utm_source=gb-gplus-sharePatent US7637926 - Method and apparatus for attaching connective tissues to bone using a knotless suture anchoring device
