Housing apparatus with rear activated return button for instilling a medication into an eye
US6524287B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 10, 2000 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | May 24, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/0008
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus for instilling a medicament into an eye includes a housing, a reservoir, disposed in the housing and movable therein along a longitudinal axis, for containing a medicament and a nozzle disposed for instilling a dose of the medicament into an eye. An actuator is disposed between the reservoir and the nozzle for metering doses of medicament from the reservoir to the nozzle and forcing each metered dose through said nozzle upon acceleration of said actuator. A spring causes longitudinal displacement of the reservoir toward a housing rear upon release of the spring from a compressed state and a depressible button disposed at the housing rear that moves the reservoir in a forward direction toward a housing front to cause compression of said spring. A trigger, disposed in the housing releases the compressed spring and causes rearward movement of the reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.