41
Ervin Goldfain, Chris R Roberts, Allan I Krauter, Steven R Slawson, William H Lagerway: Eye viewing device for retinal viewing through undilated pupil. Welch Allyn, George S Blasiak, Wall Marjama & Bilinski, October 28, 2003: US06637882 (11 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 ...


42
Robert L Vivenzio, Michael T McMahon, Steven R Slawson, Dominick Danna, Allan I Krauter, Dale C Saddlemire: Welch Allyn, March 27, 2012: US08142352 (10 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 ...


43
John R Strom, Cynthia A Kuiper, Chris R Roberts, Michael E Bausch, Allan I Krauter, Eric M Andreassen, David C Woods: Otoscopic tip element and related method of use. Welch Allyn, April 8, 2008: US07354399 (10 worldwide citation)


A tip element for an otoscopic apparatus includes engagement features that permit selective attachment to two different tip attachment mechanisms. The tip element includes both interior and exterior engagement features that provide interchangeability with otoscopes having different tip attachment sc ...


44
Raymond A Lia, Kenneth J Burdick, Robert L Vivenzio, Dominick Danna, Raymond P Dromms, Allan I Krauter: Blood pressure measuring apparatus. Welch Allyn, May 25, 2010: US07722542 (10 worldwide citation)


A blood pressure measuring apparatus includes an inflatable sleeve socket that is capable of receiving an engagement portion of a compact gage housing having either a contained mechanical or an electronic pressure gauge. This coupling permits direct attachment to the sleeve and permitting fluid inte ...


45
Dominick Danna, Allan I Krauter, Robert L Vivenzio, Dale C Saddlemire, Michael T McMahon, Ervin Goldfain: Welch Allyn, Hiscock & Barclay, April 17, 2012: US08157728 (9 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 ...


46
Allan I Krauter, Dale C Saddlemire: Diagnostic instrument illumination system. Welch Allyn, Wall Marjama Bilinski & Burr, May 30, 2000: US06068593 (9 worldwide citation)


An illumination beam director for use with a diagnostic instrument having an optical lens system including a camera aperture for observing along an optical viewing axis passing through the camera aperture, and an illuminator including an illuminator aperture for projecting illumination along a first ...


47
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 & Burr, July 4, 2000: US06082170 (8 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 ...


48
Allan I Krauter: Evacuation spring for hydraulic/pneumatic muscle. Welch Allyn, Wall and Roehrig, July 16, 1991: US05031510 (7 worldwide citation)


A hydraulically or pneumatically actuated muscle has an elongated elastomeric bladder that is covered by a tubular sheath. A fluid conduit is coupled to the bladder to supply hydraulic or pneumatic pressure. A coil tension spring is attached to a distal terminator of the muscle and extends to the di ...


49
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 ...


50
Michael T McMahon, Allan I Krauter, Robert L Vivenzio, Dale C Saddlemire, Dominick Danna, Stephen W Burnett, Daniel C Briggs, Scott G Spanfelner, Jon R Salvati: Welch Allyn, May 7, 2013: US08435175 (6 worldwide citation)


A vaginal speculum apparatus includes a portable illumination assembly that is releasably attached to one of the upper blade and lower blade of a disposable vaginal speculum. The portable illumination assembly is defined by a housing that retains at least one LED and a portable power supply. The por ...



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