|
| US4385627 | 29 Jul 1980 | 31 May 1983 | | Head stabilizer accessory |
| US5211185 | 6 May 1991 | 18 May 1993 | California Medical | Head immobilizer |
| US5242377 | 13 Nov 1992 | 7 Sep 1993 | Biomechanical Design Inc. | Tethered medical restraint device |
| US5248293 | 29 Oct 1991 | 28 Sep 1993 | Biomechanical Design, Inc. | Tethered medical restraint device |
| US5311882 | 8 Jul 1993 | 17 May 1994 | | Tomography head restraint |
| US5314404 | 1 Sep 1993 | 24 May 1994 | Biomechanical Design, Inc. | Tethered medical restraint device |
| US5403266 | 6 Jul 1993 | 4 Abr 1995 | United States Manufacturing Company | Inflatable cervical traction collar |
| US5428845 | 31 Mar 1994 | 4 Jul 1995 | Safesport, Inc. | Helmet removal device and method |
| US5520619 | 22 Feb 1994 | 28 May 1996 | Ambu International A/S | Adjustable cervical collar |
| US5566398 | 14 Mar 1995 | 22 Oct 1996 | Safesport, Inc. | Helmet removal device |
| US5588957 | 15 Ago 1995 | 31 Dic 1996 | Ambu International A/S | Cervical collar |
| US5728054 | 24 May 1996 | 17 Mar 1998 | Ambu International A/S | Adjustable cervical collar |
| US5797863 | 29 Nov 1996 | 25 Ago 1998 | Ambu International A/S | Collapsible cervical collar |
| US5855207 | 29 May 1997 | 5 Ene 1999 | | Medical table assembly having a restrainment apparatus mounted thereto and an associated method of immobilizing object |
| US5993403 | 13 Mar 1998 | 30 Nov 1999 | Ambu International A/S | Adjustable cervical collar |
| US6036664 | 7 Jun 1995 | 14 Mar 2000 | Ambu International A/S | Automatic adjustable cervical collar |
| US6135973 | 12 Abr 1999 | 24 Oct 2000 | World Health Club S.A. | Neck supporting device |
| US6245033 | 29 Nov 1999 | 12 Jun 2001 | Ambu International A/S | Adjustable cervical collar |
| US6656143 | 1 Mar 2002 | 2 Dic 2003 | | Vacuum fixation bag for stabilizing the head |
| US6726643 | 13 Mar 2000 | 27 Abr 2004 | Ambu International A/S | Automatic adjustable cervical collar |
| US6859939 | 21 Oct 2002 | 1 Mar 2005 | | Inflatable restraint device |
| USD289085 | 13 Feb 1984 | 31 Mar 1987 | | Emergency neck immobilizer |
| USRE36745 | 13 Ene 1999 | 20 Jun 2000 | Ambu Inc. | Extrication cervical collar with adjustable supports |
