Occular treatment apparatus
US4792334A · kind A · utility
Inventor
Key dates
| Filing date | Nov 6, 1987 |
| Grant date | Dec 20, 1988 |
| Priority date | — |
| Expiry date | Nov 6, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/0026
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An occular treatment apparatus for applying liquid medicament from a reservoir is provided. The apparatus includes a tubular housing with a first open end adapted to conform to the shape of the facial area surrounding the eye socket. The housing is constructed and arranged to receive, hold and position a reservoir containing the liquid medicament. A sighting opening is included on the housing to properly orient the eye and distract the user from the drops of liquid medicament to be introduced into the eye. An eyelid displacement mechanism is supported on the first open end of the housing at a position diametrically opposed to the sighting opening. The displacement mechanism is adapted to evert the lower eyelid and expose the cul de sac. This combination of an eye focused at the sighting hole and an everted lower eyelid exposes the cul de sac so that drops of medicament dispensed into the eye will more easily and directly be applied at or near the cul de sac where it is temporarily retained to increase the length of time the medicament will medicate the eyeball. In a further embodiment of the instant invention, the lower eyelid displacement mechanism will simultaneously cause drops …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.