Automatic injection device
US4573971A · kind A · utility
46Cited by
9References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 13, 1983 |
| Grant date | Mar 4, 1986 |
| Priority date | — |
| Expiry date | Dec 13, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3132
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An automatic device for injecting two or more different injection liquids which may not be in contact with each other for long periods of time, and including a combination of a discharge mechanism, a cartridge holder and a cartridge slidably accommodated in the holder and including an ampoule, a piston movable in the ampoule for sealing same, and a hypodermic needle connected to the front of the ampoule by a needle mount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.