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Patent US3261350A successfully refreshed from Google Patents.
US3261350A
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Endoscope
Assignee: American Hospital Supply Corp
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Filing: 1963-09-16
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Granted: 1966-07-19
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Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:37
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/267; A61B1/2676; A61B1/00163; A61B1/00195; A61B1/06; A61B1/0607; A61B1/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN AN ENDOSCOPIC INSTRUMENT FOR EXAMINING INTERIOR PORTION OF THE THORAX COMPRISING A CYLINDRICAL ENDOSCOPIC SHEATH AND TELESCOPIC INSPECTION MEANS, THE IMPROVEMENT COMPRISING A RIGID LIGHT CARRIER CONFORMING TO THE INTERNAL SHAPE OF THE ENDOSCOPIC SHEATH AND FURTHER COMPRISING AN OUTER TUBE, AN INNER TUBE DEFINING AN ELONGATED CAVITY THEREWITH, SAID OUTER AND INNER TUBES BEING MOUNTED IN AND EXTENDING FROM ADJACENT THE PROXIMAL END TO ADJACENT THE DISTAL END OF SAID SHEATH AND A PLURALITY OF OPTIC FIBERS DISPOSED WITHIN SAID CAVITY AND EXTENDING ABOUT AND ALONG SUBSTANTIALLY THE ENTIRE LENGTH OF SAID TUBES, SAID OPTIC FIBERS BEING BONDED TOGETHER AND SUBSTANTIALLY RIGID FROM END-TO-END THEREOF, THE PROXIMAL END PORTIONS OF SAID OPTIC FIBERS BEING FORMED INTO A RIGID ROD AND ADAPTED FOR CONNECTION TO AN EXTERNAL LIGHT SOURCE, WHEREBY THE PORTIONS OF THE THORAX MAY BE BRILLIANTLY ILLUMINATED THEREBY AIDING DIAGNOSIS AND TREATMENT.
Claim 2
Dependent Claim
145 words
IN AN ENDOSCOPIC INSTRUMENT FOR EXAMINING INTERIOR PORTION OF THE THORAX COMPRISING A CYLINDRICAL ENDOSCOPIC SHEATH AND TELESCOPIC INSPECTION MEANS, THE IMPROVEMENT COMPRISING A RIGID LIGHT CARRIER CONFORMING TO THE INTERNAL SHAPE OF THE ENDOSCOPIC SHEATH AND FURTHER COMPRISING AN OUTER TUBE, AN INNER TUBE DEFINING AN ELONGATED CAVITY THEREWITH, SAID OUTER AND INNER TUBES BEING MOUNTED IN AND EXTENDING FROM ADJACENT THE PROXIMAL END TO ADJACENT THE DISTAL END OF SAID SHEATH AND A PLURALITY OF OPTIC FIBERS DISPOSED WITHIN SAID CAVITY AND EXTENDING ABOUT AND ALONG SUBSTANTIALLY THE ENTIRE LENGTH OF SAID TUBES, SAID OPTIC FIBERS BEING BONDED TOGETHER AND SUBSTANTIALLY RIGID FROM END-TO-END THEREOF, THE PROXIMAL END PORTIONS OF SAID OPTIC FIBERS BEING FORMED INTO A RIGID ROD AND ADAPTED FOR CONNECTION TO AN EXTERNAL LIGHT SOURCE, WHEREBY THE PORTIONS OF THE THORAX MAY BE BRILLIANTLY ILLUMINATED THEREBY AIDING DIAGNOSIS AND TREATMENT.
References Cited (Backward Citations)
US2235979A
Cited
US3089484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |