|
| US4230453 | 11 Abr 1979 | 28 Oct 1980 | Litton Industrial Products Inc. | Light assembly for use with a dental handpiece |
| US4527553 | 28 Abr 1980 | 9 Jul 1985 | | Laryngoscope with improved light source |
| US5342353 | 6 May 1992 | 30 Ago 1994 | | System for laser treatment of the female urethra and bladder |
| US5499964 | 16 Sep 1994 | 19 Mar 1996 | Welch Al Iyn, Inc. | Speculum with smoke evacuation channel |
| US5743852 | 15 Abr 1996 | 28 Abr 1998 | | Speculums |
| US5846249 | 15 Oct 1996 | 8 Dic 1998 | Pinotage, LLC | Video gynecological examination apparatus |
| US6039687 | 13 Jul 1998 | 21 Mar 2000 | Karl Storz GmbH & Co. KG | Rectoscope with semi-reflective tube surface |
| US6332092 | 8 Jul 1998 | 18 Dic 2001 | LifeSpex, Incorporated | Optical probe having and methods for uniform light irradiation and/or light collection over a volume |
| US6350233 | 29 Jul 1999 | 26 Feb 2002 | | Sigmoidoscope |
| US6487440 | 19 Ene 2001 | 26 Nov 2002 | LifeSpex, Inc. | Optical probe having and methods for difuse and uniform light irradiation |
| US6589168 | 15 Ago 2001 | 8 Jul 2003 | | Video gynecological examination apparatus |
| US7244228 | 8 Feb 2002 | 17 Jul 2007 | | Sigmoidoscope |
| US7284981 | 19 Ago 2003 | 23 Oct 2007 | Kaltenbach & Voigt GmbH & Co. KG | Functional handpiece having a light emission element at its forward end |