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| US4763645 | 25 Ago 1987 | 16 Ago 1988 | | Tracheal tube filter |
| US4791920 | 8 May 1987 | 20 Dic 1988 | | Tracheostomy cannula |
| US4802474 | 4 Sep 1987 | 7 Feb 1989 | | Protective cover for tracheotomy tube |
| US5022394 | 12 Ene 1990 | 11 Jun 1991 | HomeCare of Dearborn | Heat and moisture exchanger device for tracheostomy patients |
| US5042468 | 8 Feb 1990 | 27 Ago 1991 | Gibeck Respiration AB | Breathing device |
| US5048518 | 4 Ene 1990 | 17 Sep 1991 | Hood Laboratories | Stoma stent system |
| US5616116 | 22 May 1995 | 1 Abr 1997 | Lisa Willey | Stoma protector |
| US5840091 | 9 Jun 1997 | 24 Nov 1998 | Steve Culpepper | Smog and dust filter for a tracheostomy tube |
| US7025784 | 29 Oct 1981 | 11 Abr 2006 | Hansa Medical Products, Inc. | Method and apparatus for a tracheal valve |
| US7192420 | 8 Ago 2003 | 20 Mar 2007 | | Ostomy adapter with multiple adhesives for reliable sealing |
| US7451765 | 1 Jul 2005 | 18 Nov 2008 | | Intra-bronchial apparatus for aspiration and insufflation of lung regions distal to placement or cross communication and deployment and placement system therefor |
| USD309021 | 13 Jul 1987 | 3 Jul 1990 | | Protective cover for tracheotomy tube |
