Patent US2997545A successfully refreshed from Google Patents.
Patent US3648697A successfully refreshed from Google Patents.
US3648697A
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US
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Intravenous feeding container and method of preparing the same
Assignee: Individual
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Filing: 1969-08-01
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Granted: 1972-03-14
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Expires: 1989-08-01
Abstract
Abstract An intravenous feeding container composed of flexible material and containing a quantity of water soluble material for the preparation of an intravenous solution to be fed to a patient, the container being normally storable in a folded, flat condition. The container has a buoyant check valve at its outlet. The method of preparing intravenous feeding containers, wherein sterile water is displaced from a water supply into a normally folded, flat container having water soluble material therein, forming with said water an intravenous feeding solution.
Inventors
- 👤 Newell John Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:06
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/1407; A61M5/1409; A61M5/142; A61M5/145; A61M5/148; A61M5/1483; A61M5/1486; A61M5/36; A61M5/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
In a intravenous feeding container: a collapsible container body of flexible material adapted to occupy a substantially flat condition and to hold a quantity of intravenous feeding solution, said container body having an outlet means comprising an elongate throat member having a valve seat in its upper portion, a stopper in said outlet means adapted to be punctured by a needle, a quantity of dry water soluble intravenous feeding material in said container, a check valve within said container and adapted to be buoyant in a feeding solution and engageable with said seat to prevent the passage of air from said container when said solution is substantially fully drained from said container, said valve seat being substantially spaced from said stopper to prevent said check valve from engaging a needle as said check valve descends to engaged position with said seat.
Claim 2
Dependent Claim
141 words
In a intravenous feeding container: a collapsible container body of flexible material adapted to occupy a substantially flat condition and to hold a quantity of intravenous feeding solution, said container body having an outlet means comprising an elongate throat member having a valve seat in its upper portion, a stopper in said outlet means adapted to be punctured by a needle, a quantity of dry water soluble intravenous feeding material in said container, a check valve within said container and adapted to be buoyant in a feeding solution and engageable with said seat to prevent the passage of air from said container when said solution is substantially fully drained from said container, said valve seat being substantially spaced from said stopper to prevent said check valve from engaging a needle as said check valve descends to engaged position with said seat.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-14 | 1975-09-13 | 1976-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-14 | 1979-09-13 | 1980-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-14 | 1983-09-13 | 1984-03-14 | $7700.00 | Window Closed / Lapsed |