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| US4901722 | 11 Ene 1989 | 20 Feb 1990 | Kabushiki Kaisha Mutec | Suturing needle with suture |
| US5180385 | 21 May 1992 | 19 Ene 1993 | | Suturing assembly and method |
| US5236443 | 27 Oct 1992 | 17 Ago 1993 | | Suturing assembly and method |