51
Raymond A Lia, Robert Vivenzio, Scott S Stearns, Dominic Danna, Timothy J Smith, Allan I Krauter, Edward W Wright, Edward A Johnson: Mechanism for measuring device. Welch Allyn, Wall Marjama & Bilinski, May 22, 2001: US06234972 (7 worldwide citation)

A gage mechanism for a blood pressure measuring device or other similar apparatus includes a supported shaft member having one end in contact with an inflatable bellows. A pointer is attached at an opposite end of the shaft and a helically wound spring is attached to the shaft and a supporting struc ...


52
Ervin Goldfain, William Lagerway, Chris R Roberts, Steven R Slawson, Allan I Krauter: Eye viewing device for large field viewing. Welch Allyn, Wall Marjama & Bilinski, September 6, 2005: US06939006 (5 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 ...


53
Allan I Krauter, Dale C Saddlemire, Michael T McMahon, Robert L Vivenzio: Welch Allyn, February 19, 2013: US08376942 (5 worldwide citation)

An articulation mechanism for a vaginal speculum enables selective relative movement between an upper blade member and a lower blade member to affect vertical and angular spacing. The mechanism selectively enables quiet or clicking articulation according to at least one version.


54
James G Strong, Dale C Saddlemire, Scott G Spanfelner, Allan I Krauter: Welch Allyn, Peter J Bilinski, July 25, 2006: US07081090 (5 worldwide citation)

A protective sheath assembly for a vaginal speculum assembly includes a disposable vaginal speculum and a reusable illumination assembly that is releasably attached to the speculum. The sheath assembly is attachable to the handle of said speculum to cover the illumination assembly while the speculum ...


55
Allan I Krauter, Joseph A Ciarlei: Adapter assembly for light source. Welch Allyn, Wall Marjama Bilinski & Burr, December 28, 1999: US06007255 (5 worldwide citation)

Apparatus for use with a light box having a high output light source contained within a housing includes a rotatable turret assembly capable of supporting a corresponding number of optical fiber bundles. The turret assembly is eccentrically mounted relative to an illumination axis of the contained l ...


56
Steven R Slawson, Chris R Roberts, Allan I Krauter, Ervin Goldfain: Eye viewing device comprising eye cup. Welch Allyn, Wall Marjama & Bilinski, December 14, 2004: US06830347 (5 worldwide citation)

The invention is a hand-held eye viewing device adapted to be readily positioned in an operative radial displacement, angular orientation and axial standoff position relative to an eye. The eye viewing device includes an eye cup extending from a patient end of the device having a patient end adapted ...


57
Ervin Goldfain, William Lagerway, Chris R Roberts, Steven R Slawson, Allan I Krauter: Eye viewing device for large field viewing. Welch Allyn, George S Blasiak, Wall Marjama & Bilinski, March 4, 2003: US06527390 (5 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 ...


58
Ervin Goldfain, Chris R Roberts, Allan I Krauter, Steven R Slawson, William H Lagerway: Eye viewing device comprising eyepiece and video capture optics. Welch Allyn, Marjama & Bilinski, December 25, 2007: US07311401 (4 worldwide citation)

There is described in one embodiment an eye viewing device for viewing a structure of an eye such as a retina. The eye viewing device can include an image sensor. In one embodiment an eye viewing device can be adapted to facilitate both visual viewing of an eye structure and electronic image capture ...


59
John R Strom, Cynthia A Kuiper, Chris R Roberts, Michael E Bausch, Allan I Krauter, Eric M Andreassen, David C Woods: Otoscopic instrument having tip attachment and ejecting mechanism. Welch Allyn, June 12, 2012: US08197403 (4 worldwide citation)

An otoscopic instrument includes an instrument head attached to a handle and a speculum tip actuator mechanism for receiving, retaining and selectively ejecting an otoscopic speculum tip element. The tip actuator mechanism includes an actuator knob rotatably attached to the instrument head in which ...


60
Ervin Goldfain, Allan I Krauter, Chris R Roberts, Steven R Slawson, William H Lagerway: Eye viewing device comprising video capture optics. Welch Allyn, August 31, 2010: US07784940 (3 worldwide citation)

There is described in one embodiment an eye viewing device for viewing a structure of an eye such as a retina. The eye viewing device can include an image sensor. In one embodiment an eye viewing device can be adapted to facilitate both visual viewing of an eye structure and electronic image capture ...