US3756244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breathing aid
Assignee: CREDITANSTALT-BANKVEREIN
•
Filing: 1971-06-10
•
Granted: 1973-09-04
•
Expires: 1991-06-10
Abstract
Abstract An improved breathing aid device comprises an elongated arched conduit portion and a hollow neck portion extending from one end of the conduit portion and a flange portion located at the end of the neck portion opposite the conduit portion. The device includes a plurality of parallel ribs extending lengthwise within the interior of the conduit portion providing a plurality of channels for guiding a catheter inserted into the device.
Inventors
- 👤 J Kinnear
- 👤 H Havstad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:31
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/04; A61M16/0488; A61M16/049; A61M16/0493; A61M16/0495
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
158 words
In a breathing aid device for insertion into the mouth and pharynx having an elongated tubular hollow body open at each end and which body has a straight portion for extending through the lips and mouth and an arched portion for extending over the tongue and into the pharynx, said hollow body having opposed generally flat walls constituting a top and a bottom and a transversely extending flange attached to the end of the straight body portion, the improvement comprising at least one pair of ribs one member of each pair being disposed opposite the other member of said pair and extending longitudinally from each flat wall toward the other wall along at least a portion of the interior length of the tubular body and defining an elongated interior channel for guiding a tubular catheter therealong whereby a catheter inserted into said device extends along said channel leaving the remainder of the interior of the hollow body unobstructed.
Claim 2
Dependent Claim
158 words
In a breathing aid device for insertion into the mouth and pharynx having an elongated tubular hollow body open at each end and which body has a straight portion for extending through the lips and mouth and an arched portion for extending over the tongue and into the pharynx, said hollow body having opposed generally flat walls constituting a top and a bottom and a transversely extending flange attached to the end of the straight body portion, the improvement comprising at least one pair of ribs one member of each pair being disposed opposite the other member of said pair and extending longitudinally from each flat wall toward the other wall along at least a portion of the interior length of the tubular body and defining an elongated interior channel for guiding a tubular catheter therealong whereby a catheter inserted into said device extends along said channel leaving the remainder of the interior of the hollow body unobstructed.
Claim 3
Dependent Claim
11 words
The device of claim 1 having two pairs of said ribs.
Claim 4
Dependent Claim
17 words
The device of claim 1 wherein said ribs extends substantially along the length of the arched portion.
Claim 5
Dependent Claim
34 words
In combination the device of claim 3 and an elongated hollow reinforcing member inserted in the straight portion and having an outer surface in substantial abuttment with the interior surface of the straight portion.
Claim 6
Dependent Claim
41 words
The device of claim 2 wherein the interior of the hollow reinforcing member includes at least one pair of ribs substantially aligned with the ribs of the arched portion and which ribs extend along a portion of the reinforcing member interior.
Claim 7
Dependent Claim
12 words
The device of claim 1 comprising a relatively soft, pliable plastic material.
Claim 8
Dependent Claim
11 words
The device of claim 1 wherein the plastic is polyvinyl chloride.
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) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |