Syringe containing frozen vaccine
US4018222A · kind A · utility
44Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1975 |
| Grant date | Apr 19, 1977 |
| Priority date | — |
| Expiry date | May 13, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/288
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Vaccine delivery system wherein an aqueous vaccine diluted to human dosage concentration is loaded into presterilized single dosage syringes having a squeezable body portion and wherein a plurality of these syringes are sealed inside a bag and the contents of the syringes are frozen to preserve the titer of the vaccine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.