Electrical cardiac therapy devices including electrode assemblies having openings for receiving an electrode insertion tool, and methods of inserting such electrode assemblies. The opening(s) are defined on the electrode assemblies to allow an insertion tool to be coupled to the electrode assembly and...http://www.google.co.uk/patents/US7302300?utm_source=gb-gplus-sharePatent US7302300 - Subcutaneous electrode for transthoracic conduction with highly maneuverable insertion tool
