US3696579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and device for preserving drugs for injection
Assignee: YURIN TOKUSHI KOGYO CO Ltd
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Filing: 1971-06-14
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Granted: 1972-10-10
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Expires: 1991-06-14
Abstract
Abstract A drug preservation container unit for use in connection with injection. It comprises a vertically elongated casing sealed with a cap and a needle assembly held in an upright position within said casing, said needle assembly containing a freeze-dryingprocessed drug for use in injection and arranged to be connected to a syringe. The unit contains such drug in such a small quantity as to be conveniently dispensed to a small number of persons. The invention also provides a method of preserving drugs for use in injection in such a small quantity as mentioned above, comprising applying freeze-drying to the drug.
Inventors
- 👤 Shozo Narusawa
- 👤 Noritoshi Iizuka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:16
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/002; A61J; A61J1/00; A61J1/05; A61J1/06; A61M5/178; A61M5/31; A61M5/32; A61M5/3202; A61M2005/3103; A61M2005/3107; A61M2005/3109
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A method of preserving a drug for use in injection, comprising the steps of: providing a support of flexible and soft rubber in a relatively small vertically elongated casing at the lower portion thereof; sticking the tip portion of a needle into said support, said needle having at its base a cup member arranged to be connected to the cylinder of a syringe; putting in said cup member the drug to be preserved, applying the process of freeze-drying to said drug; and sealing said casing and said cup member of said needle assembly.
Claim 2
Independent Claim
93 words
A method of preserving a drug for use in injection, comprising the steps of: providing a support of flexible and soft rubber in a relatively small vertically elongated casing at the lower portion thereof; sticking the tip portion of a needle into said support, said needle having at its base a cup member arranged to be connected to the cylinder of a syringe; putting in said cup member the drug to be preserved, applying the process of freeze-drying to said drug; and sealing said casing and said cup member of said needle assembly.
References Cited (Backward Citations)
US3337041A
Cited
US3563373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |