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Ervin Goldfain, Raymond A Lia: Portable eye viewing device enabled for enhanced field of view. Welch Allyn, September 18, 2018: US10078226

An ophthalmoscope includes an illumination assembly having a light source disposed along an illumination axis and an imaging assembly configured for delivering an image to an imaging device. Each of the imaging and illumination assemblies are disposed in an instrument housing, the ophthalmoscope bei ...


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Robert J Wood, Raymond A Lia, Jon R Salvati, Robert L Vivenzio, Ian K Edwards, Ervin Goldfain, Colin J Wolff: Digital-based medical devices. Welch Allyn, Barclay Damon, May 9, 2017: US09642517

An otoscopic instrument with an instrument head. The instrument head having a housing, an optical component disposed along an imaging axis, and an illumination system. The illumination system includes a plurality of LEDs disposed in a ring-like configuration adjacent a distal end of the housing with ...


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Raymond A Lia, Chris R Roberts, Ervin Goldfain, Steven R Slawson, Robert J Wood: Replacement light assembly. WELCH ALLYN, April 3, 2018: US09931028

A light assembly for a hand-held medical diagnostic instrument. The light assembly includes a substrate having a top surface and a bottom surface, a light source mounted to the top surface, and the bottom surface having first and second electrical terminals. The light assembly further includes a cir ...


34
Ervin Goldfain: Method and apparatus for observing subsurfaces of a target material. WELCH ALLYN, Guntin & Gust, Andrew Gust, November 10, 2015: US09182343

A system that incorporates teachings of the present disclosure may include, for example, a method for generating from a light source a light signal operating in a region of the light spectrum, modifying the light signal with a first polarization device having a first polarization state to generate a ...


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James Strong, Richard A Tamburrino, John M Ryan, Roger W A Leseberg, Ervin Goldfain, David M Babson, David Stephens, Angelo Martellaro: Wearable headlight devices and related methods. Integra LifeSciences Corporation, Jenkins Wilson Taylor & Hunt P A, July 26, 2016: US09400101

Wearable headlight devices and related methods are provided and can include a luminaire that can include a housing having a luminaire vent therein for receiving cooling air and a light source contained within the housing. An air moving device can be located outside of the luminaire for facilitating ...


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Peter J Davis, Ervin Goldfain: Medical diagnostic instrument. WELCH ALLYN, December 1, 2015: US09198560

A medical diagnostic instrument that enables optical viewing of a target area, includes an optical system disposed within an instrument housing, the optical system including at least one primary optical element disposed along an optical axis. A focusing screen is distally aligned along the optical a ...


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Jon R Salvati, Raymond A Lia, Ervin Goldfain, Robert L Vivenzio, Kenzi L Mudge, David J Maier: Digital colposcope system. Welch Allyn, Merchant & Gould P C, July 24, 2018: US10028649

An example system to capture digital images includes: a colposcope device configured to capture a digital image during a colposcopy procedure; and an image processing module programmed to digitally process the digital image, including: a filter module programmed to filter certain aspects of the digi ...


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Ervin Goldfain, Raymond A Lia: Borescopic optical system for medical diagnostic instruments and medical diagnostic instruments having interlocking assembly features. WELCH ALLYN, July 24, 2018: US10028648

A medical diagnostic instrument or a plurality of disparate medical diagnostic instruments are configured with a common optical architecture that functionally creates a virtual eye to create closer proximity to a patient and therefore increase the field of view in regard to a target of interest. The ...


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Ervin Goldfain, Raymond A Lia: Borescopic optical system for medical diagnostic instruments and medical diagnostic instruments having interlocking assembly features. Welch Allyn, Barclay Damon, April 25, 2017: US09629544

A medical diagnostic instrument or a plurality of disparate medical diagnostic instruments are configured with a common optical architecture that functionally creates a virtual eye to create closer proximity to a patient and therefore increase the field of view in regard to a target of interest. The ...


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Ervin Goldfain, Raymond A Lia: Borescopic optical system for medical diagnostic instruments and medical diagnostic instruments having interlocking assembly features. Welch Allyn, Barclay Damon, June 13, 2017: US09675246

A medical diagnostic instrument or a plurality of disparate medical diagnostic instruments are configured with a common optical architecture that functionally creates a virtual eye to create closer proximity to a patient and therefore increase the field of view in regard to a target of interest. The ...