Patent US2688742A successfully refreshed from Google Patents.
US5031613A
Expired / Lapsed
US
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Nebulizing catheter
Assignee: Individual
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Filing: 1989-06-07
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Granted: 1991-07-16
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Expires: 2009-06-07
Abstract
Abstract A nebulizing catheter and method for delivering a nebulized medication to a patient. The catheter includes an hour-glass shaped neck near its distal end and one or more perforations formed in the distal end. The fluid may be forced through the catheter by a syringe or other suitable means. The catheter is preferably used in conjunction with an endotracheal tube into which the catheter is inserted.
Inventors
- 👤 Roy D. Smith
- 👤 JoAnne Hahn
- 👤 Gary Rambadt
- 👤 Dale Crites
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:50
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0067; A61M25/0074; A61M25/0075; A61M11/00; A61M11/02; A61M16/00; A61M16/04; A61M16/0463; A61M16/08; A61M16/0816; A61M16/0825; A61M16/0475; A61M16/0477; A61M16/0484
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
92 words
A device for delivering a nebulized medication to a patient comprising an endotracheal tube having inserted therein a catheter having a distal end and means for nebulizing a fluid medication which is forced through said catheter including an hour-glass shaped neck near the distal end of said catheter and at least one perforation in said distal end which allows fluid to exit said catheter as a fine mist, said catheter contained within said endotracheal tube so that said fine mist is adapted to be delivered to a patient after exiting said catheter.
Claim 2
Independent Claim
92 words
A device for delivering a nebulized medication to a patient comprising an endotracheal tube having inserted therein a catheter having a distal end and means for nebulizing a fluid medication which is forced through said catheter including an hour-glass shaped neck near the distal end of said catheter and at least one perforation in said distal end which allows fluid to exit said catheter as a fine mist, said catheter contained within said endotracheal tube so that said fine mist is adapted to be delivered to a patient after exiting said catheter.
Claim 3
Dependent Claim
17 words
The device of claim 1 further comprising a syringe means for forcing said fluid through said catheter.
Claim 4
Dependent Claim
28 words
The device of claim 1 further comprising means on said endotracheal tube and said catheter for indicating how far said catheter has been inserted into said endotracheal tube.
Claim 5
Dependent Claim
20 words
The device of claim 1 wherein said endotracheal tube includes an external inflatable balloon and means for inflating said balloon.
Claim 6
Dependent Claim
27 words
The device of claim 1 wherein said distal end of said catheter is no more than about 3 mm from the distal end of said endotracheal tube.
Claim 7
Dependent Claim
19 words
The device of claim 1 further comprising means for locking said catheter in place relative to said endotracheal tube.
Claim 8
Independent Claim
67 words
A method for delivering a nebulized medication to a patient comprising the steps of: inserting a catheter inside an endotracheal tube; forcing a fluid medication through said catheter; nebulizing said fluid by means of an hour-glass shaped neck near the distal end of said catheter and at least one perforation in said distal end; and allowing said nebulized fluid to exit said catheter as a fine mist.
Claim 9
Independent Claim
67 words
A method for delivering a nebulized medication to a patient comprising the steps of: inserting a catheter inside an endotracheal tube; forcing a fluid medication through said catheter; nebulizing said fluid by means of an hour-glass shaped neck near the distal end of said catheter and at least one perforation in said distal end; and allowing said nebulized fluid to exit said catheter as a fine mist.
Claim 10
Dependent Claim
16 words
The method of claim 7 wherein about 0.05 cc of fluid are forced through said catheter.
References Cited (Backward Citations)
US3794026A
Cited
US4155365A
Cited
US4449522A
Cited
US4444185A
Cited
US4584998A
Cited
US4449526A
Cited
US4497318A
Cited
US4488548A
Cited
US4669463A
Cited
US4646733A
Cited
US4690138A
Cited
EP0245142A1
Cited
US4739756A
Cited
US4892095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-07-15 | 1995-01-14 | 1995-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-07-15 | 1999-01-14 | 1999-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-07-15 | 2003-01-14 | 2003-07-16 | $7700.00 | Window Closed / Lapsed |