Patent US5046816A successfully refreshed from Google Patents.
US5046816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for arranging optical fibers in an endoscope optical system
Assignee: Richard Wolf GmbH
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Filing: 1990-07-20
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Granted: 1991-09-10
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Expires: 2010-07-20
Abstract
Abstract In an endoscope optical system comprising an inner tube accommodating the optical components of the system and an outer tube enclosing the inner tube, optical fibers are disposed in the chamber defined between the two tubes, for transmitting light to a site to be inspected by means of the endoscope. For uniform illumination of the site to provide images to satisfactory quality, coaxial or paraxial arrangement of the inner tube within the outer tube is achieved by bridging the chamber by means of webs extending longitudinally of the tubes, the optical fibers being accommodated in sub-chambers defined between the webs.
Inventors
- 👤 Helmut Lehmann
- 👤 Siegfried Karst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:35
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/24; G02B23/2407; G02B23/2461; G02B23/2469; A; A61; A61B; A61B1/00; A61B1/00163; A61B1/00165; A61B1/00167
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
60 words
An endoscope optical system, comprising: an inner tube accommodating optical components of said system; an outer tube enclosing the inner tube whereby said tubes define a chamber therebetween; optical fibers disposed between said tubes; and separately formed wires extending longitudinally of said tubes and bridging said chamber thereby to subdivide it into subchambers, said fibers being accommodated in said subchambers.
Claim 2
Dependent Claim
60 words
An endoscope optical system, comprising: an inner tube accommodating optical components of said system; an outer tube enclosing the inner tube whereby said tubes define a chamber therebetween; optical fibers disposed between said tubes; and separately formed wires extending longitudinally of said tubes and bridging said chamber thereby to subdivide it into subchambers, said fibers being accommodated in said subchambers.
Claim 3
Dependent Claim
18 words
An optical system as claimed in claim 1, wherein said wires are made of a light conducting material.
Claim 4
Dependent Claim
32 words
An optical system as claimed in claim 1, wherein the wires and said fibers are fixed to the inner tube by adhesion at least in the region of the distal end thereof.
Claim 5
Dependent Claim
33 words
An optical system as claimed in claim 1, wherein the wires and the optical fibers are fixed to the inner tube by means of thread at least in the distal end region thereof.
Claim 6
Dependent Claim
29 words
An optical system as claimed in claim 1, wherein the wires and the optical fibers are fixed by means of thread behind the distal end of the inner tube.
Claim 7
Dependent Claim
27 words
An optical system as claimed in claim 1, wherein the wires and the optical fibers are fixed by adhesion behind the distal end of the inner tube.
Claim 8
Dependent Claim
15 words
An optical system as claimed in claim 1 wherein said wires are circular in cross-section.
References Cited (Backward Citations)
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US3434775A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-09-09 | 1995-03-11 | 1995-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-09 | 1999-03-11 | 1999-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-09 | 2003-03-11 | 2003-09-10 | $7700.00 | Window Closed / Lapsed |