Patent · US Active

Endoscope assembly with a polarizing filter

US8872906B2 · kind B2 · utility

74Cited by

203References

14Claims

0Family size

Assignee

Avantis Medical Systems, inc. · US

Inventors

Lex Bayer · Palo Alto, US
Rupesh Desai · San Jose, US
Alex Niel · Daly City, US

Key dates

Filing date	Feb 9, 2007
Grant date	Oct 28, 2014
Priority date	—
Expiry date	Apr 28, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B1/0646
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An endoscope includes an imaging device, a first polarizing filter disposed in front of the imaging device, a light source, and a second polarizing filter disposed in front of the light source. The planes of polarization of the first and second polarizing filters are at a substantially 90° angle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.