31
Allan I Krauter, Robert L Vivenzio: Bistep terminator for hydraulic or pneumatic muscle. Welch Allyn, Wall and Roehrig, May 14, 1991: US05014600 (21 worldwide citation)

A terminator for a hydraulic or pneumatic muscle seals the end of the internal elastomeric bladder and provides direct transfer of force between the external braid and a mechanical device to which the terminator is connected. The terminator is provided with an annular land or step at the end that is ...


32
Allan I Krauter, Michael Kehoskie: Fluid insensitive braking for an endoscope. Welch Allyn, Harris Beach & Wilcox, November 19, 1996: US05575755 (21 worldwide citation)

A fluid insensitive system for braking the displacement cables in an endoscopic insertion tube wherein at least one control wheel is mounted on the outside of the insertion tube control housing. A brake disc is mounted adjacent the control wheel and is moved in and out of engagement with the wheel b ...


33
Allan I Krauter, Catherine R Wojnowicz, Michael T Turner, Bernd F Koehler, Raymond A Lia, James J O Brien, Francis Cichostepski, Michael T Cerio, Robert Vivenzio: Releasable laryngeal blade assembly and set of laryngoscopes. Welch Allyn, Wall Marjama Bilinski & Burr, January 11, 2000: US06013026 (19 worldwide citation)

A laryngeal blade assembly includes a light pipe assembly attached to a blade having a light pipe disposed along a major dimension of the blade. The light pipe assembly is releasably attached to the blade in a non-axial direction in relation to the major dimension, wherein said light pipe assembly c ...


34
Ervin Goldfain, William Lagerway, Chris R Roberts, Steven R Slawson, Allan I Krauter: Eye viewing device for retinal viewing through undilated pupil. Hand Held Products, Wall Marjama & Bilinski, June 25, 2002: US06409341 (19 worldwide citation)

The invention is a low cost, low input power eye viewing device well suited for viewing wide field retinal images through an undilated pupil. Included in the device are a converging light illumination system and an aperture stop. The converging light illumination system provides ease of entry of lig ...


35
Allan I Krauter, Jon R Salvati: Apparatus and method for video colposcope with electronic green filter. Welch Allyn, Wall Marjama & Billinski, November 14, 2000: US06147705 (18 worldwide citation)

A video colposcope includes a system microcomputer having algorithms for color balance levels stored into memory. A video camera obtains a subject electronic image of a subject object, and using algorithm-driven digital signal processing circuitry (DSP), color saturation, hue, and intensity levels o ...


36
Allan I Krauter, Michael Kehoskie, Jon R Salvati, Scott Ryan, Deborah A Laun, Frank J Witkowski III: Diagnostic instrument supporting system. Welch Allyn, Wall Marjama & Bilinski, November 24, 1998: US05840012 (15 worldwide citation)

A diagnostic instrument system includes a compact instrument housing having an interior for containing an illumination system and an optical viewing system for illuminating and viewing a target, both systems being arranged within the housing. The housing is separably and interchangeably mounted to a ...


37
Ervin Goldfain, William Lagerway, Chris R Roberts, Steven R Slawson, Allan I Krauter: Ophthalmoscope comprising defocused light source. Wall Marjama Bilinski & Burr, May 23, 2000: US06065837 (15 worldwide citation)

The invention is an ophthalmoscope having an imaging path and imaging axis which includes a light source disposed in the imaging path at or in proximity with the imaging axis. Disposing the light source directly in the imaging path at or in proximity with the imaging axis provides numerous illuminat ...


38
Robert L Vivenzio, Michael T McMahon, Steven R Slawson, Dominick Danna, Allan I Krauter, Dale C Saddlemire: Welch Allyn, March 27, 2012: US08142352 (13 worldwide citation)

A portable illuminator includes a contained power source and an integrally contained light source that is selectively inserted into the handle portion of a vaginal speculum. The portable illuminator includes at least one feature to protect the illuminator from contamination and to prevent users from ...


39
Allan I Krauter: Endoscope forceps elevator cable seal. Welch Allyn, October 6, 1987: US04697576 (13 worldwide citation)

The control cable for a rockable forceps elevator of a side-looking endoscope has an elastomeric sleeve covering the exterior part of the cable from the endoscope head to the connection of the cable with the elevator. Seals are effected between the sleeve and the wall and between the sleeve and the ...


40
Dominick Danna, Allan I Krauter, Robert L Vivenzio, Dale C Saddlemire, Michael T McMahon, Ervin Goldfain: Welch Allyn, Hiscock & Barclay, April 17, 2012: US08157728 (12 worldwide citation)

A vaginal speculum includes an upper blade member and a lower blade member that is movably connected with respect to the upper blade. The lower blade member includes an integrated handle portion having a receiving cavity configured for interchangeably receiving one of a first illumination assembly a ...