US3754554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endotracheal tube means
Assignee: Individual
•
Filing: 1972-02-22
•
Granted: 1973-08-28
•
Expires: 1992-02-22
Abstract
Abstract An endotracheal tube having a protrusion with small orifice at its forward end. An introducer or guide rod extends through the orifice to guide the tube between the vocal cords. The rod has a stop to limit its protrusion from the tube. A handle is provided on the rod to operate it.
Inventors
- 👤 H Felbarg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:32
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0488; A61M25/00; A61M25/01; A61M25/09
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
103 words
A modified endotracheal tube having a tip; said tube having two orifices in its tip, said tip having a large beveled orifice for the gas passage during ventilation and a small orifice located next to and forwardly of said large orifice at the tip of a cone-like shaped protrusion, an introducer plastic rod removably received within said tube bore so that said rod distal end may extend several inches from the end of said endotracheal tube, said small orifice being designed to thread and support said introducer snuggly, said small orifice hAving such dimensions as to allow easy threading yet support said introducer.
Claim 2
Dependent Claim
103 words
A modified endotracheal tube having a tip; said tube having two orifices in its tip, said tip having a large beveled orifice for the gas passage during ventilation and a small orifice located next to and forwardly of said large orifice at the tip of a cone-like shaped protrusion, an introducer plastic rod removably received within said tube bore so that said rod distal end may extend several inches from the end of said endotracheal tube, said small orifice being designed to thread and support said introducer snuggly, said small orifice hAving such dimensions as to allow easy threading yet support said introducer.
Claim 3
Dependent Claim
102 words
Apparatus as in claim 1 having a rubber sleeve mounted on the plastic rod, said sleeve extending distally up to the cone like shaped distal end of the endotracheal tube working as a stop to limit the protrusion of the introducer beyond the endotracheal tube and also causing the endotracheal tube to follow the introducer when said introducer is pushed forward into the trachea beyond the vocal cords, said sleeve extending proximally up to the end of the plastic rod working as a handle, said handle being made with the purpose of providing an easy grip for the removal of said introducer.
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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |