Eye-medicating haptic

Details Eye-medicating haptic Eye-medicating haptic

1983-05-02

1985-09-10

Pellegrino, Stephen C.

Surgery

Controlled release therapeutic device or system

Osmotic or diffusion pumped device or system

604294, 623 5, A61M 700

Patent

active

045404178

ABSTRACT:
The invention contemplates eye-medicating haptic constructions which are fenestrated and provide the vehicle for eye medication. The haptic structure is initially flat but axially flexible as to be self-adapting to the surface of the cornea and to be self-retaining of its position, via moisture at the surface of the cornea. Medication carried by the haptic is made available to the surface of the cornea by mild pumping action of haptic structure on corneal fluid, the medication being drawn from storage in the haptic, by the wash of liquid involved in the pump action.

REFERENCES:
patent: 3786812 (1974-01-01), Neefe
patent: 4056496 (1977-11-01), Mancini et al.
patent: 4057619 (1977-11-01), Higuchi et al.

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