An electromechanical system which may be used in conjunction with spinning catheters, such as those which have differential cutting burrs, includes an electric prime mover which attaches to an advancer assembly. The advancer assembly has an off-axis drive and apparatus for loading a catheter unit, which...http://www.google.co.uk/patents/US4679557?utm_source=gb-gplus-sharePatent US4679557 - Electrodynamic transluminal angioplasty system
