Patent JPS53147409A successfully refreshed from Google Patents.
US4619652A
Expired / Lapsed
US
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Dosage form for use in a body mounted pump
Assignee: Alza Corp
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Filing: 1985-08-19
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Granted: 1986-10-28
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Expires: 2005-08-19
Abstract
Abstract A self-contained body mounted pump assembly for continuously administering a therapeutic agent parenterally. The pump has a transparent top through which the contents can be seen and outwardly flaring sides to provide for comfort, stability and other useful features. The pump assembly is driven by a fluid imbibing, preferably osmotic pump and contains its own source of actuating fluid. Means for superimposing a pulse dose on the tonic flow are also described.
Inventors
- 👤 James B. Eckenhoff
- 👤 John R. Peery
- 👤 Felix A. Landrau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:43
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/142; A61M5/145; A61M5/14244; A61M5/14248; A61M2005/14513
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
71 words
A container for a dosage of a biologically active agent in fluid form adapted to be received within the housing of a pump for delivery into the body of a patient comprising a closed, collapseible bag impermeable to the material comprising said dosage, said bag having a basal surface and a self-sealing welt extending circumferentially around said bag in a plane substantially parallel to and spaced apart from said basal surface.
Claim 2
Dependent Claim
71 words
A container for a dosage of a biologically active agent in fluid form adapted to be received within the housing of a pump for delivery into the body of a patient comprising a closed, collapseible bag impermeable to the material comprising said dosage, said bag having a basal surface and a self-sealing welt extending circumferentially around said bag in a plane substantially parallel to and spaced apart from said basal surface.
Claim 3
Dependent Claim
20 words
The container of claim 1 further comprising a circumferential flange integral with and extending radially outwardly from said basal surface.
Claim 4
Dependent Claim
16 words
The container of claim 1 or 2 further comprising a quantity of liquid filling said bag.
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) | 1989-10-27 | 1990-04-28 | 1990-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-10-27 | 1994-04-28 | 1994-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-10-27 | 1998-04-28 | 1998-10-28 | $7700.00 | Window Closed / Lapsed |