US3384087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracheotome
Assignee: Individual
•
Filing: 1963-11-12
•
Granted: 1968-05-21
•
Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Brummelkamp Reindert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:03
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0465; A61M16/0472
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A TRACHEOTOME COMPRISING, (A) A BENT CANNULA HAVING AN END PORTION ADAPTED TO BE INSERTED INTO A TRACHEA, AND CANNULA HAVING A LONGITUDINAL GROOVE EXTENDING THEREALONG, (B) A CORRESPONDINGLY BENT TUBULAR TROCAR SLIDABLY DISPOSED IN SAID CANNULA, (C) SAID TROCAR HAVING AN END PORTION ADAPTED TO EXTEND BEYOND THE END OF SAID CANNULA INSERTED INTO THE TRACHEA, (D) A KNIFE MEANS CONNECTED TO THE EXTENDED END OF SAID TROCAR WHEREBY SAID KNIFE MEANS PROTRUDES LATERALLY THROUGH SAID GROOVE OF SAID CANNULA ALONG A PREDETERMINED LENGTH OF SAID END PORTION OF SAID CANNULA, (E) A CORRESPONDINGLY BENT HOLLOW NEEDLE DISPOSED WITHIN SAID TROCAR, (F) SAID NEEDLE BEING ADJUSTABLY DISPOSED WITHIN SAID TROCAR, AND SAID NEEDLE HAVING A SHARP POINT PROTRUDING BEYOND THE END OF SAID TROCAR.
Claim 2
Dependent Claim
125 words
A TRACHEOTOME COMPRISING, (A) A BENT CANNULA HAVING AN END PORTION ADAPTED TO BE INSERTED INTO A TRACHEA, AND CANNULA HAVING A LONGITUDINAL GROOVE EXTENDING THEREALONG, (B) A CORRESPONDINGLY BENT TUBULAR TROCAR SLIDABLY DISPOSED IN SAID CANNULA, (C) SAID TROCAR HAVING AN END PORTION ADAPTED TO EXTEND BEYOND THE END OF SAID CANNULA INSERTED INTO THE TRACHEA, (D) A KNIFE MEANS CONNECTED TO THE EXTENDED END OF SAID TROCAR WHEREBY SAID KNIFE MEANS PROTRUDES LATERALLY THROUGH SAID GROOVE OF SAID CANNULA ALONG A PREDETERMINED LENGTH OF SAID END PORTION OF SAID CANNULA, (E) A CORRESPONDINGLY BENT HOLLOW NEEDLE DISPOSED WITHIN SAID TROCAR, (F) SAID NEEDLE BEING ADJUSTABLY DISPOSED WITHIN SAID TROCAR, AND SAID NEEDLE HAVING A SHARP POINT PROTRUDING BEYOND THE END OF SAID TROCAR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |