Patent US4475914A successfully refreshed from Google Patents.
US4475914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medicament container and transfer device
Assignee: Merck and Co Inc
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Filing: 1982-08-30
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Granted: 1984-10-09
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Expires: 2002-08-30
Abstract
Abstract The application discloses a combination medicament container and transfer device connected with a bellows type sleeve. The transfer device is a double ended spike having internal conduits optionally vented through a sterile hydropholic allowing two way transfer of liquid from an intravenous solution container and a medicament container of relatively insoluble medicament.
Inventors
- 👤 Joel B. Portnoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:11
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/14; A61J1/20; A61J1/2089; A61J1/2003; A61J1/2006; A61J1/201; A61J1/2068; A61J1/2075; A61J1/2079; A61J1/2082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
In combination, a medicament container for relatively insoluble medicament and a transfer spike having one end enclosed in and connected with a bellows type sleeve to said medicament container, said container having its open end sealed from contact with the atmosphere by a flexible puncturable diaphragm integrally joined to said bellows sleeve, said transfer spike having at least two conduits extending longitudinally from end to end, one of said conduits being provided with a vent tube terminating in a sterile hydrophobic filter, and being provided with flange type finger grip means located intermediate the ends of said spike, the enclosed end of said spike being positioned within said bellows to allow puncture of said diaphragm with said enclosed end spike by compression of said bellows.
Claim 2
Dependent Claim
125 words
In combination, a medicament container for relatively insoluble medicament and a transfer spike having one end enclosed in and connected with a bellows type sleeve to said medicament container, said container having its open end sealed from contact with the atmosphere by a flexible puncturable diaphragm integrally joined to said bellows sleeve, said transfer spike having at least two conduits extending longitudinally from end to end, one of said conduits being provided with a vent tube terminating in a sterile hydrophobic filter, and being provided with flange type finger grip means located intermediate the ends of said spike, the enclosed end of said spike being positioned within said bellows to allow puncture of said diaphragm with said enclosed end spike by compression of said bellows.
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) | 1987-10-09 | 1988-04-09 | 1988-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-09 | 1992-04-09 | 1992-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-09 | 1996-04-09 | 1996-10-09 | $7700.00 | Window Closed / Lapsed |