Portable and wearable injector of mini size
US4640445A · kind A · utility
28Cited by
6References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 1984 |
| Grant date | Feb 3, 1987 |
| Priority date | — |
| Expiry date | Dec 20, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/14204
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A portable and wearable injector of mini size is disclosed, which may be operated for injection by means of a gas pressure and which is equipped with an injector syringe and a gas-impermeable flexible bag received in the syringe having one open end for injection and the other sealed end. The bag contains therein a gas-generating device for producing a pressure gas for expanding the bag in order to urge an infusion liquid through the open end of the syringe. As the gas-generating device there may be used an electric or chemical device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.