Patent US4453929A successfully refreshed from Google Patents.
US4453929A
Expired / Lapsed
US
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Activated charcoal package and process
Assignee: Individual
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Filing: 1982-04-30
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Granted: 1984-06-12
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Expires: 2002-04-30
Abstract
Abstract A package for administration of activated charcoal (28) to a patient's stomach has a closed container (10) in which there is a predetermined quantity of dry, finely divided activated charcoal (28). There is a means (20, 16) for introducing a pharmaceutically acceptable liquid (30) to the activated charcoal (28) for mixture therewith. A means (18) is provided for attaching one end (52) of a tube (38) to the container (10). The tube (38) has an end (40) remote from the one end (52) for administration of the activated charcoal-liquid mixture (34) to the patient.
Inventors
- 👤 Louis J. Silverman
- 👤 Amy Hewitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:01
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/14; A61J1/20; A61J1/2096; A61J1/2089; A61J15/00; A61J1/05; A61J1/10; A61J1/1475; A61J1/2003; A61J1/2006; A61J1/201
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
123 words
A method for treating humans to remove undesirable materials from the gastrointestinal tract that are adsorbable by activated charcoal, which comprises providing a sealed, flexible container containing a predetermined quantity of dry, finely divided activated charcoal, introducing to the sealed, flexible container with a hypodermic needle through an injection fitting for the hypodermic needle, which injection fitting is free of leakage after removal of the hypodermic needle, a sufficient quantity of pharmaceutically acceptable liquid to produce a flowable suspension of the activated charcoal in the liquid, flexing the flexible container to produce the flowable suspension, connecting one end of a tube to the interior of the flexible container, and allowing the flowable suspension to flow through the tube and into the patient's stomach.
Claim 2
Independent Claim
123 words
A method for treating humans to remove undesirable materials from the gastrointestinal tract that are adsorbable by activated charcoal, which comprises providing a sealed, flexible container containing a predetermined quantity of dry, finely divided activated charcoal, introducing to the sealed, flexible container with a hypodermic needle through an injection fitting for the hypodermic needle, which injection fitting is free of leakage after removal of the hypodermic needle, a sufficient quantity of pharmaceutically acceptable liquid to produce a flowable suspension of the activated charcoal in the liquid, flexing the flexible container to produce the flowable suspension, connecting one end of a tube to the interior of the flexible container, and allowing the flowable suspension to flow through the tube and into the patient's stomach.
Claim 3
Dependent Claim
21 words
The process of claim 1 in which a second end of the tube is inserted in the stomach of the patient.
Claim 4
Dependent Claim
17 words
The process of claim 2 in which the pharmaceutically acceptable liquid is water or citrate of magnesia.
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) | 1987-06-12 | 1987-12-12 | 1988-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-12 | 1991-12-12 | 1992-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-12 | 1995-12-12 | 1996-06-12 | $7700.00 | Window Closed / Lapsed |