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US5383864A
Expired / Lapsed
US
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Pre-filled injection device comprising a barrel wherein a liquid diazepam formulation is accommodated
Assignee: Duphar International Research BV
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Filing: 1992-12-14
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Granted: 1995-01-24
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Expires: 2012-12-14
Abstract
Abstract The invention relates to a pre-filled injection device, comprising (i) a barrel which is open at each end in which, before using the device, a liquid diazepam formulation is accommodated in a sealed manner and which comprises at least one rubber sealing member to seal the said formulation, and (ii) an injection needle or a needle connection at the front end of the barrel, said sealing member being manufactured at least substantially from bromobutyl rubber.
Inventors
- 👤 Johan G. van den Heuvel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:15
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/20; A61M5/2066; A61J; A61J1/00; A61J1/05; A61J1/06; A61J1/062; A61M5/31; A61M5/315; A61M5/31511; A61M2005/1787; A61M2005/2073; A61M5/3129; A61M2005/3132; A61M5/3137; A61M2005/3139; A61M5/2033; A61M5/206; A61M5/24; A61M5/32; A61M5/3202
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
67 words
A pre-filled injection device, comprising (i) a barrel which is open at each end in which, before using the device, a liquid diazepam formulation is sealingly accommodated and which comprises at least one rubber sealing member to seal said formulation, and (ii) a needle connection means for connecting an injection needle at the front end of the barrel, wherein said sealing member is manufactured from bromobutyl rubber.
Claim 2
Dependent Claim
67 words
A pre-filled injection device, comprising (i) a barrel which is open at each end in which, before using the device, a liquid diazepam formulation is sealingly accommodated and which comprises at least one rubber sealing member to seal said formulation, and (ii) a needle connection means for connecting an injection needle at the front end of the barrel, wherein said sealing member is manufactured from bromobutyl rubber.
Claim 3
Dependent Claim
37 words
An injection device as claimed in claim 1, in which the liquid diazepam formulation, before using the device, is sealingly accommodated between two rubber members in the barrel, wherein the sealing members are manufactured from bromobutyl rubber.
Claim 4
Dependent Claim
67 words
A pre-filled injection device for the automatic injection of injection liquid under the influence of a power source, comprising, in addition to the power source, a barrel, which is open at each end, to the front end of which an injection needle is attached and in which a liquid diazepam formulation is accommodated between two rubber sealing members, wherein the sealing members are manufactured from bromobutyl rubber.
Claim 5
Dependent Claim
67 words
A pre-filled injection device for the automatic injection of injection liquid under the influence of a power source, comprising, in addition to the power source, a barrel, which is open at each end, to the front end of which an injection needle is attached and in which a liquid diazepam formulation is accommodated between two rubber sealing members, wherein the sealing members are manufactured from bromobutyl rubber.
Claim 6
Dependent Claim
33 words
An automatic injection device as claimed in claim 3, in which the diazepam formulation is accommodated between two stoppers which are movable in the barrel wherein both stoppers are manufactured from bromobutyl rubber.
Claim 7
Dependent Claim
41 words
An automatic injection device as claimed in claim 3, in which the diazepam formulation is accommodated between a piston and a stopper, each of which is movable in the barrel, wherein the piston and the stopper are manufactured from bromobutyl rubber.
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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) | 1998-01-23 | 1998-07-25 | 1999-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-01-23 | 2002-07-25 | 2003-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-01-23 | 2006-07-25 | 2007-01-24 | $7700.00 | Window Closed / Lapsed |