Intravenous container mixing assembly
USRE29062E · kind E · reissue
Assignee
Inventor
Key dates
| Filing date | Jun 16, 1975 |
| Grant date | Dec 7, 1976 |
| Priority date | — |
| Expiry date | Jun 16, 1995 |
Classification
- Technology area (CPC —)General
Abstract
A device for the mixing and administration of intravenous fluid comprising a cylindrical vial having an open end and a closed end, an inwardly extending integral annular ring within the vial and forming part of the walls of the vial intermediate said open and closed ends. A tippable center septum seals on the annular ring. An imperforate stopper is provided in the open end of the vial. The vial is adapted to contain two liquids or a liquid and a dry material in separated state. A non-opaque drip meter having a fluid outlet at one end and a fluid inlet is provided, the inlet comprising a tubular member terminating within the drip meter whereby drops can be visually observed at the end of the tubular member through the drip meter. Extending from the drip meter is a solid or hollow elongated rigid spike having an enlarged base adjacent the drip meter, the spike terminating in a point at its other end. A filtered air inlet is positioned in proximity to the base of the spike, a passage and filter are associated with the spike or base for admitting filtered air into the vial. A fluid passage runs through the base and has one end adjacent the spike at the exterior of the base and the othe…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.