Some embodiments of a medical anchor device include an elongate body coupled with deployable subcutaneous anchors to secure a catheter instrument (or other medical instrument) in place relative to a skin penetration point. In some circumstances, the elongate body may be in the form of catheter hub body,...http://www.google.com/patents/US8029476?utm_source=gb-gplus-sharePatent US8029476 - Anchoring a medical instrument
