Medicament container/dispenser assembly
US5114421A · kind A · utility
Inventor
Key dates
| Filing date | Aug 30, 1989 |
| Grant date | May 19, 1992 |
| Priority date | — |
| Expiry date | Aug 30, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61J1/2086
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable container/dispenser assembly for the extended storage and direct intravenous administration of a medicament includes a syringe barrel defining a main chamber for containing a liquid, the barrel including an upper opening in communication with the main chamber; an auxiliary barrel defining an auxiliary chamber for containing a drug to be mixed with the liquid, the auxiliary barrel including second and third spaced and opposing openings in communication with the auxiliary chamber; a first impermeable membrane for sealing the first opening of the main body; a second impermeable membrane for sealing the second opening of the auxiliary body; the first and second openings being in line with each other when the auxiliary body is connected with the main body; a third impermeable membrane secured to the auxiliary body for covering and sealing the third opening; and a plunger slidably positioned outside of the auxiliary body for rupturing the first through third membranes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.