A suturing device consists of a needle and a turning mechanism that drives the needle. A handle of the device drives the turning mechanism. The device receives suturing material needed for suturing tissue; and a surgeon may operate it by squeezing the handle. This action may move the needle from zero...http://www.google.es/patents/US6221085?utm_source=gb-gplus-sharePatente US6221085 - Djurovic suturing device