US4391271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Respirator circuit
Assignee: Individual
•
Filing: 1981-04-06
•
Granted: 1983-07-05
•
Expires: 2001-04-06
Abstract
Abstract The respirator circuit of which the present invention is a part includes a water cascade for humidification of the air, oxygen enriched air or pure oxygen from a conventional respirator. From the cascade a first conduit tube portion connects to a first branch of a Y fitting, a second branch thereof connects a second conduit tube portion to a spirometer, and the main Y fitting leg connects to a conventional endotracheal tube. The improvement that is the focus of this invention is a secondary suction tube or aspirator which is located in close relation to the lowermost main length of the circuit conduits and a plurality of perforations connect between and along the lengths of the main circuit and suction tubes. The suction tube connects to a wall suction inlet as conventionally provided in hospitals, and serves to continuously remove moisture which condenses on the interior wall of the main circuit tubing, either from the cascade, a nebulizer, when used in the circuit with a tracheotomy patient, or excretions from the patient.
Inventors
- 👤 Albert Blanco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:03
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/08; A61M16/0808; A61M16/0816; A61M16/0833
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
173 words
A respirator circuit comprising: first and second conduit tubes, the cross-section of which has opposed planar lower side portions that are angled oppositely downwardly and inwardly toward drainage means connected thereto, said first and second conduit tubes in open connection respectively to first and second branches of a generally Y-shaped conduit tube portion, including a leg portion for open connection to a conventional endotracheal tube; a respirator connected to an end of the first conduit tube through a water cascade to humidify air, oxygen enriched air or pure oxygen passing from the respirator into the first conduit tube; the drainage means disposed at a lowermost point of and extending longitudinally along the bottom portions of the first and second conduit tubes, said drainage means being in fluid communication with said first and second conduit tubes through a plurality of perforations opening into the drainage means from the first and second conduit tubes; and means to dispose of moisture passing through said perforations into the drainage means from the first and second conduit tubes.
Claim 2
Dependent Claim
173 words
A respirator circuit comprising: first and second conduit tubes, the cross-section of which has opposed planar lower side portions that are angled oppositely downwardly and inwardly toward drainage means connected thereto, said first and second conduit tubes in open connection respectively to first and second branches of a generally Y-shaped conduit tube portion, including a leg portion for open connection to a conventional endotracheal tube; a respirator connected to an end of the first conduit tube through a water cascade to humidify air, oxygen enriched air or pure oxygen passing from the respirator into the first conduit tube; the drainage means disposed at a lowermost point of and extending longitudinally along the bottom portions of the first and second conduit tubes, said drainage means being in fluid communication with said first and second conduit tubes through a plurality of perforations opening into the drainage means from the first and second conduit tubes; and means to dispose of moisture passing through said perforations into the drainage means from the first and second conduit tubes.
Claim 3
Dependent Claim
31 words
The respirator circuit as defined in claim 1 wherein the means to dispose of moisture comprises, an extension from the drainage tube means for a connection to a suitable suction means.
Claim 4
Dependent Claim
22 words
The respirator circuit as defined in claim 1 wherein the drainage means are disposed respectively within the first and second conduit tubes.
Claim 5
Dependent Claim
37 words
The respirator circuit as defined in claim 1 wherein the plurality of perforations comprises a plurality of spaced apart perforations opening into each side of the drainage means, closely adjacent lowermost interior portions of the conduit tubes.
Claim 6
Dependent Claim
32 words
The respirator circuit as defined in claim 1 wherein the drainage means comprises a pair of interconnected drainage tubes disposed exteriorly of the bottom portions of the first and second conduit tubes.
Claim 7
Dependent Claim
20 words
The respirator circuit as defined in claim 1 including a spirometer connected to an end of the second conduit tube.
Claim 8
Dependent Claim
20 words
The respirator circuit as defined in claim 6 including a manifold connected in the second conduit tube, adjacent the spirometer.
Claim 9
Dependent Claim
27 words
The respirator as defined in claim 1 including a normally closed connection in the first conduit tube to accommodate a nebulizer for use with a tracheotomy patient.
Claim 10
Dependent Claim
158 words
In an improved respirator circuit having first and second conduit tubes, in open connection respectively to first and second branches of a generally Y-shaped conduit tube portion including a leg portion for open connection to a conventional endotracheal tube, a respirator connected to an end of the first conduit tube, in which the improvement comprises: said first and second conduit tubes being of a cross-section having opposed planar lower side portions that are angled oppositely downwardly and inwardly toward drainage means connected thereto; the drainage means disposed at a lowermost point of and extending longitudinally along the bottom portions of the first and second conduit tubes, said drainage means being in fluid communication with said first and second conduit tubes through a plurality of perforations opening into the drainage means from the first and second conduit tubes; and means to dispose of moisture passing through said perforations into the drainage means from the first and second conduit tubes.
Claim 11
Dependent Claim
158 words
In an improved respirator circuit having first and second conduit tubes, in open connection respectively to first and second branches of a generally Y-shaped conduit tube portion including a leg portion for open connection to a conventional endotracheal tube, a respirator connected to an end of the first conduit tube, in which the improvement comprises: said first and second conduit tubes being of a cross-section having opposed planar lower side portions that are angled oppositely downwardly and inwardly toward drainage means connected thereto; the drainage means disposed at a lowermost point of and extending longitudinally along the bottom portions of the first and second conduit tubes, said drainage means being in fluid communication with said first and second conduit tubes through a plurality of perforations opening into the drainage means from the first and second conduit tubes; and means to dispose of moisture passing through said perforations into the drainage means from the first and second conduit tubes.
Claim 12
Dependent Claim
31 words
The respirator circuit as defined in claim 9 wherein the means to dispose of moisture comprises, an extension from the drainage tube means for a connection to a suitable suction means.
Claim 13
Dependent Claim
21 words
The respirator circuit as defined in claim 9 wherein the drainage tube means comprises a pair of interconnected drainage tube portions.
Claim 14
Dependent Claim
23 words
The respirator circuit as defined in claim 11 wherein the drainage tube portions are disposed respectively within the first and second tube portions.
Claim 15
Dependent Claim
39 words
The respirator circuit as defined in claim 12 wherein the plurality of perforations comprises a plurality of spaced apart perforations opening into each side of the drainage tube portions, closely adjacent lowermost interior portions of the conduit tube portions.
Claim 16
Dependent Claim
32 words
The respirator circuit as defined in claim 13 wherein opposed lower side portions of the first and second conduit tube portions are angled oppositely downwardly and inwardly toward the drainage tube means.
Claim 17
Dependent Claim
32 words
The respirator circuit as defined in claim 9 wherein the drainage means comprises a pair of interconnected drainage tubes disposed exteriorly of the bottom portions of the first and second conduit tubes.
Claim 18
Dependent Claim
20 words
The respirator circuit as defined in claim 9 including a spirometer connected to an end of the second conduit tube.
Claim 19
Dependent Claim
20 words
The respirator circuit as defined in claim 16 including a manifold connected in the second conduit tube, adjacent the spirometer.
Claim 20
Dependent Claim
27 words
The respirator as defined in claim 9 including a normally closed connection in the first conduit tube to accommodate a nebulizer for use with a tracheotomy patient.
Claim 21
Dependent Claim
139 words
In an improved respirator circuit being first and second conduit tubes, in open connection respectively to first and second branches of a generally Y-shaped conduit tube portion including a leg portion for open connection to a conventional endotracheal tube, a respirator connected to an end of the first conduit tube, in which the improvement comprises: said first and second conduit tubes being of a cross-section having opposed planar lower side portions that are angled oppositely downwardly and inwardly toward drainage tubes connected thereto; said drainage tubes being interconnected and disposed within the first and second conduit tubes and being in fluid communication therewith through a plurality of perforations the drainage tubes from the first and second conduit tubes; and a means to dispose of moisture having an extension from the drainage tubes for connection to a suitable suction means.
Claim 22
Dependent Claim
139 words
In an improved respirator circuit being first and second conduit tubes, in open connection respectively to first and second branches of a generally Y-shaped conduit tube portion including a leg portion for open connection to a conventional endotracheal tube, a respirator connected to an end of the first conduit tube, in which the improvement comprises: said first and second conduit tubes being of a cross-section having opposed planar lower side portions that are angled oppositely downwardly and inwardly toward drainage tubes connected thereto; said drainage tubes being interconnected and disposed within the first and second conduit tubes and being in fluid communication therewith through a plurality of perforations the drainage tubes from the first and second conduit tubes; and a means to dispose of moisture having an extension from the drainage tubes for connection to a suitable suction means.
Claim 23
Dependent Claim
37 words
The respirator circuit as defined in claim 19 wherein the plurality of perforations comprises a plurality of spaced apart perforations opening into each side of the drainage tubes, closely adjacent lowermost interior portions of the conduit tubes.
Claim 24
Dependent Claim
27 words
The respirator circuit as defined in claim 19 wherein the drainage tubes are defined respectively, exteriorly of the bottom portions of the first and second conduit tubes.
Claim 25
Dependent Claim
20 words
The respirator circuit as defined in claim 19 including a spirometer connected to an end of the second conduit tube.
Claim 26
Dependent Claim
20 words
The respirator circuit as defined in claim 22 including a manifold connected in the second conduit tube, adjacent the spirometer.
Claim 27
Dependent Claim
27 words
The respirator as defined in claim 19 including a normally closed connection in the first conduit tube to accommodate a nebulizer for use with a tracheotomy patient.
References Cited (Backward Citations)
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GB1456570A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-07-04 | 1987-01-03 | 1987-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-04 | 1991-01-03 | 1991-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-04 | 1995-01-03 | 1995-07-05 | $7700.00 | Window Closed / Lapsed |