US3136310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical catheter
Assignee: Bausch and Lomb Inc
•
Filing: 1960-01-18
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Granted: 1964-06-09
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Expires: 1980-01-18
Abstract
No abstract record available.
Inventors
- 👤 Robert J Meltzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:44
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/0059; A61B5/0082; A61B5/0084; A61B5/145; A61B5/1455; A61B5/1459; A61M; A61M25/00; A61M25/0043; A61M25/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
AN OPTICAL CATHETER COMPRISING AN ELONGATED BUNDLE OF FLEXIBLE LIGHT CONDUCTING FIBERS, ILLUMINATION MEANS DIRECTING LIGHT FORWARDLY IN A FIRST PORTION OF SAID BUNDLE OF LIGHT CONDUCTING FIBERS, A LIGHT SENSING MEANS RECEIVING A LIGHT SIGNAL FROM A SECOND PORTION OF SAID BUNDLE OF LIGHT CONDUCTING FIBERS, A PROTECTIVE SHEATH DISPOSED AROUND SAID BUNDLE OF LIGHT CONDUCTING FIBERS, A TIP DEFINING A BALL-LIKE MAJOR SURFACE SO CONSTRUCTED AND ARRANGED THAT LIGHT FROM SAID FIRST PORTION OF SAID BUNDLE OF FIBERS IS DIRECTED ON THE BALL-LIKE SURFACE AND LIGHT IS RETROREFLECTED TO THE SECOND PORTION OF SAID BUNDLE OF FIBERS, SAID TIP INCLUDING A BASE SURFACE ENGAGING THE END SURFACE OF SAID BUNDLE OF LIGHT CONDUCTING FIBERS AND FORMING A LIGHT TRANSMITTING INTERFACE, SAID BALL-LIKE SURFACE THEREBY OPERATING IN A MANNER SIMILAR TO AN INTEGRATING SPHERE FOR REFLECTING A LIGHT SIGNAL RESPONSIVE TO ILLUMINATION OF THE FLUID SURROUNDING SAID TIP.
Claim 2
Dependent Claim
149 words
AN OPTICAL CATHETER COMPRISING AN ELONGATED BUNDLE OF FLEXIBLE LIGHT CONDUCTING FIBERS, ILLUMINATION MEANS DIRECTING LIGHT FORWARDLY IN A FIRST PORTION OF SAID BUNDLE OF LIGHT CONDUCTING FIBERS, A LIGHT SENSING MEANS RECEIVING A LIGHT SIGNAL FROM A SECOND PORTION OF SAID BUNDLE OF LIGHT CONDUCTING FIBERS, A PROTECTIVE SHEATH DISPOSED AROUND SAID BUNDLE OF LIGHT CONDUCTING FIBERS, A TIP DEFINING A BALL-LIKE MAJOR SURFACE SO CONSTRUCTED AND ARRANGED THAT LIGHT FROM SAID FIRST PORTION OF SAID BUNDLE OF FIBERS IS DIRECTED ON THE BALL-LIKE SURFACE AND LIGHT IS RETROREFLECTED TO THE SECOND PORTION OF SAID BUNDLE OF FIBERS, SAID TIP INCLUDING A BASE SURFACE ENGAGING THE END SURFACE OF SAID BUNDLE OF LIGHT CONDUCTING FIBERS AND FORMING A LIGHT TRANSMITTING INTERFACE, SAID BALL-LIKE SURFACE THEREBY OPERATING IN A MANNER SIMILAR TO AN INTEGRATING SPHERE FOR REFLECTING A LIGHT SIGNAL RESPONSIVE TO ILLUMINATION OF THE FLUID SURROUNDING SAID TIP.
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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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |