US5114004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filled and sealed, self-contained mixing container
Assignee: Material Engineering Technology Laboratory Inc
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Filing: 1991-02-12
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Granted: 1992-05-19
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Expires: 2011-02-12
Abstract
Abstract Disclosed herein is a filled and sealed, self-contained mixing container. The container has compartments which are isolated from each other. Plural substances which contain components susceptible to mutual reaction unless isolated from each other are contained in the respective compartments. In use, these compartments are communicated together so that the individual contents can be mixed within the container. A flow passage or passages, each of which has an isolator for the contents and is adapted to communicate the compartments with each other, and is formed by a side channel provided on an outer surface of a wall of the container. Mixing of the contents without exposure to the external atmosphere can be realized by irreversible destruction of the isolator upon use. The container is suited particularly for a closed therapy system.
Inventors
- 👤 Keinosuke Isono
- 👤 Takao Yoshida
- 👤 Tatsuo Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:17
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/14; A61J1/20; A61J1/2093; B; B65; B65D; B65D81/00; B65D81/32; B65D81/3261; B65D81/3266; A61J1/05; A61J1/10; A61J1/2003; A61J1/2006; A61J1/201; A61J1/202; A61J1/2027; A61M; A61M2207/00
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
93 words
A flexible, plastic, filled and sealed, self-contained mixing container consisting of plural compartments with contents enclosed therein in a manner mutually isolated from each other, said container comprising: at least one heat-sealed to a single-plane outer surface of the wall of the container, said at least one side-channel, which is contiguous to at least two compartments, contains a means to destroy a portion of the wall of the container at at least one location, in order to mix the contents together, and is hollow over the portion of the wall to be destroyed.
Claim 2
Dependent Claim
93 words
A flexible, plastic, filled and sealed, self-contained mixing container consisting of plural compartments with contents enclosed therein in a manner mutually isolated from each other, said container comprising: at least one heat-sealed to a single-plane outer surface of the wall of the container, said at least one side-channel, which is contiguous to at least two compartments, contains a means to destroy a portion of the wall of the container at at least one location, in order to mix the contents together, and is hollow over the portion of the wall to be destroyed.
Claim 3
Dependent Claim
16 words
The container of claim 1, wherein the at least one side-channel is formed in a bubble-shape.
Claim 4
Dependent Claim
76 words
The container of claim 1, further comprising a base provided on one side of the container, said one side being opposite to the surface on which the at least one side-channel is formed, the base cooperating with the destroying means so that a portion of the wall the base covers is also destroyed at at least one location, and the base itself forms a second side-channel in which to mix the contents of the plural compartments.
Claim 5
Dependent Claim
66 words
The container of claim 1, wherein the wall of the container is made of a multilayer sheet, the heat-sealing starting temperature of a resin forming the layer facing the inside of the container is higher than that of another resin forming the layer facing the outside of the container, and the layer facing the outside and the at least one side-channel are heat-sealed to each other.
Claim 6
Dependent Claim
33 words
The container of claim 4, wherein the multilayer sheet is formed of polyolefin resins, and the resin forming the layer facing the inside is a resin blend of at least two polyolefin resins.
Claim 7
Dependent Claim
47 words
The container of claim 5, wherein 10-90 wt. % of said resin blend of at least two polyolefin resins consists of the resin or resins among said blend having a higher heat-sealing starting temperature than that of any of the resins forming the layer, facing the outside.
Claim 8
Dependent Claim
36 words
The container of claim 6, wherein there is a difference of at least 8° C. between the highest heat-sealing temperatures of the resins forming the layers facing the inside and the outside of the multilayer sheet.
Claim 9
Dependent Claim
27 words
The container of claim 5, wherein the resin blend comprises 80-20 wt. % of a linear, low-density polyethylene resin and 20-80 wt. % of a polypropylene resin.
Claim 10
Dependent Claim
49 words
The container of claim 4, wherein the multilayer sheet is formed of two layers, the layer facing the outside being formed of a linear, low-density polyethylene resin, and the layer facing the inside being formed of a resin blend comprising a linear, low-density polyethylene resin and a polypropylene resin.
Claim 11
Dependent Claim
20 words
The container of claim 1, wherein the wall of the container has been formed by inflation molding or blow molding.
Claim 12
Dependent Claim
45 words
The container of claim 1, wherein at least one of the plural compartments has an outlet member for discharging the contents of the compartments, at least one of the plural compartments has a suspension portion for hanging the container, and the contents are therapeutic preparations.
Claim 13
Dependent Claim
23 words
The container of claim 11, wherein the preparations are a base solution for IVH or hypertonic glucose solution and an amino acid solution.
Claim 14
Dependent Claim
21 words
The container of claim 12, wherein the preparations are a powdered drug preparation and a liquid drug preparation for elemental diet.
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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) | 1995-05-19 | 1995-11-18 | 1996-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-05-19 | 1999-11-18 | 2000-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-05-19 | 2003-11-18 | 2004-05-19 | $7700.00 | Window Closed / Lapsed |