Injector-type atomizer
US5662098A · kind A · utility
41Cited by
5References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 30, 1996 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Jan 30, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2005/3121
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An injector-type atomizer with a simple structure which is capable of stepwise spraying a medicament such as vaccine drawn into a cylinder by a regular amount. The atomizer comprises a cylinder having a spray nozzle at a front end thereof, a piston fitted into the cylinder and a rod having a front end attached to the piston and a rear end projecting from a rear end of the cylinder. Between the cylinder and the rod there is provided an elastic member which is crushable in a stepwise manner or an engagement mechanism in which the engagement is released by a predetermined pushing force.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.