US4822338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing material from the stomach using a collapsible funnel
Assignee: Individual
•
Filing: 1987-09-03
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Granted: 1989-04-18
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Expires: 2007-09-03
Abstract
Abstract A method of removing material from the stomach of a patient in which a collapsible funnel at the end of a catheter is placed into the stomach, the funnel is erected, lavage solution is applied through the catheter to the stomach and the patient is inverted to discharge the material from the stomach into the funnel's open end. In a preferred embodiment, the funnel is erected by inflation.
Inventors
- 👤 Wayne D. Longmore
- 👤 Peter J. Acker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:08
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0067; A61M25/0074; A61M1/00; A61M1/84; A61M25/0082; A61M2210/00; A61M2210/10; A61M2210/1042; A61M2210/1053
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
84 words
A method of removing material from the stomach of a patient comprising the steps of: inserting a catheter with a collapsible funnel into the stomach of a patient, erecting the funnel, administrating a lavage liquid through the catheter to the patient's stomach, and turning the patient to a position where his head is lower than his feet to permit the material to be removed to flow from the stomach into the open end of the funnel and out of the patient through the catheter.
Claim 2
Independent Claim
84 words
A method of removing material from the stomach of a patient comprising the steps of: inserting a catheter with a collapsible funnel into the stomach of a patient, erecting the funnel, administrating a lavage liquid through the catheter to the patient's stomach, and turning the patient to a position where his head is lower than his feet to permit the material to be removed to flow from the stomach into the open end of the funnel and out of the patient through the catheter.
Claim 3
Dependent Claim
37 words
A method as in claim 1 wherein the funnel is inflatable and the catheter is inserted into the patient with the funnel collapsed and the funnel is thereafter inflated while in the stomach into the erected shape.
Claim 4
Dependent Claim
20 words
A method as in claim 1 wherein the lavage solution is administered with the patient in a generally horizontal position.
Claim 5
Dependent Claim
27 words
A method as in claim 3 herein the steps of administering the lavage solution and turning the patient to a head down position is carried out repetitively.
Claim 6
Dependent Claim
41 words
A method as in claim 1 wherein the inserting step comprises providing a funnel of generally conical shape and the funnel is inserted into the patient so that the material to be removed flows into the wide end of the funnel.
Claim 7
Dependent Claim
54 words
A method as in claim 1 wherein the step of inserting the catheter with funnel comprises the step of providing an inflatable funnel of generally conical shape, and the step of erecting the funnel comprises inserting the catheter into the patient with the funnel collapsed and thereafter inflating the funnel while in the stomach.
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) | 1992-04-17 | 1992-10-17 | 1993-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-17 | 1996-10-17 | 1997-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-17 | 2000-10-17 | 2001-04-18 | $7700.00 | Window Closed / Lapsed |