Patent US4067331A successfully refreshed from Google Patents.
US4067331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intubating pharyngeal airway
Assignee: CREDITANSTALT-BANKVEREIN
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Filing: 1976-07-23
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Granted: 1978-01-10
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Expires: 1996-07-23
Abstract
Abstract A intubating pharyngeal airway having a side access for passage of a tube on the said airway comprising a flanged stop at the proximal end, a curved airway central tubular member and a distal ball tip adapted to fit into the vallecular. The side opening may be expanded or closed by means of either a hinge on the opposite side wall of the tube or by a cap or insert closure.
Inventors
- 👤 Robert A. Berman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:55
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0488; A61M16/049; A61M16/0493; A61M16/0495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
An intubating airway, comprising: a. A curved tubular longitudinally extending body member, said body member having a curved longitudinally extending side opening, defined therein, b. said member having a distal end for insertion into the mouth and throat of a patient and a proximal end for location at the mouth of the patient, c. said distal end having a ball tip adopted to fit into the vallecular of the patient, d. said member further having a hinge on its side opposite the location of said side opening, e. said hinge having an inner flex portion adjacent said distal end and a separate outer flex portion adjacent said proximal end, f. said inner flex portion and said outer flex portion being non-coaxially aligned and being flexible, g. whereby said side opening may be opened or closed by rotation about the said hinge.
Claim 2
Dependent Claim
141 words
An intubating airway, comprising: a. A curved tubular longitudinally extending body member, said body member having a curved longitudinally extending side opening, defined therein, b. said member having a distal end for insertion into the mouth and throat of a patient and a proximal end for location at the mouth of the patient, c. said distal end having a ball tip adopted to fit into the vallecular of the patient, d. said member further having a hinge on its side opposite the location of said side opening, e. said hinge having an inner flex portion adjacent said distal end and a separate outer flex portion adjacent said proximal end, f. said inner flex portion and said outer flex portion being non-coaxially aligned and being flexible, g. whereby said side opening may be opened or closed by rotation about the said hinge.
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) | 1981-01-09 | 1981-07-11 | 1982-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-09 | 1985-07-11 | 1986-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-09 | 1989-07-11 | 1990-01-10 | $7700.00 | Window Closed / Lapsed |