An electro-mechanical surgical device includes: a housing; an elongated shaft extending from the housing, a distal end of the elongated shaft being detachably coupleable to a surgical instrument; at least two axially rotatable drive shafts disposed within the elongated shaft, a distal end of each of...http://www.google.fr/patents/US20030055411?utm_source=gb-gplus-shareBrevet US20030055411 - Electro-mechanical surgical device
Numéro de demande: 10/256,893 Numéro de publication: US 2003/0055411 A1 Date de dépôt: 26 sept. 2002 Brevet délivré: US6846309 ( Date de délivrance 25 janv. 2005)
