The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 23, 1993
Filed:
Dec. 13, 1990
Jeffrey S White, Ridgefield, CT (US);
United States Surgical Corporation, Norwalk, CT (US);
Abstract
A disposable endoscope having an object lens assembly, a relay lens assembly, and an imaging lens assembly with at least the relay lens assembly optical elements being made in whole or in part of molded glass lenses. the relay lens assembly preferably consists of molded glass curved surface lenses arranged in triplet lens configuration with ground or molded glass rod lenses disposed between the curved surface lenses. In preferred embodiments the positive lens elements of each triplet assembly may be bonded in optical contact with the rod lenses or the rod lenses may constitute molded glass lenses incorporating the positive lenses of each triplet. Optical components of the objective and imaging lens assemblies may be of molded or ground glass, and illumination may be conducted by glass or plastic fibers.