Ocular iontophoresis device
First Claim
1. An ocular iontophoresis device for delivering active substances to an eyeball, the ocular iontophoresis device comprising:
- an active electrode;
a reservoir having a frustoconical shaped outer wall and a hollow body at least partly delimited by the outer wall, the reservoir having an inlet and an outlet, the inlet and the outlet each having a respective diameter, wherein the diameter of the inlet is greater than the diameter of the outlet;
wherein the outlet defines an application surface adapted to receive a predetermined part of an eyeball surface, wherein an area of the active electrode (“
Se”
) is greater than an area of the application surface (“
Sa”
) to provide an increased electric field intensity by a value proportionate to the ratio “
Se/Sa”
,the application surface being at least partly limited by an outer line concave towards the optical axis of the eyeball,wherein the outer wall extends from the outer line outwardly toward the inlet with respect to the optical axis, andwherein the portion of the outer wall delimiting the hollow body has an inclination angle substantially away from the optical axis.
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Accused Products
Abstract
The invention relates to a device of ocular iontophoresis for delivering active substances, comprising a reservoir having an outer wall and a hollow body at least partly delimited by the outer wall, wherein the hollow body is capable of receiving an electrical conductive medium and active substances contained in the medium and has an outlet defining a surface, so-called “application surface”, intended to receive a determine part of an eyeball surface, the application surface being at least partly limited by an outer line concave towards the optical axis of the eyeball, wherein the outer wall extends from the outer line with a global outwardly with respect to the said optical axis.
29 Citations
44 Claims
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1. An ocular iontophoresis device for delivering active substances to an eyeball, the ocular iontophoresis device comprising:
-
an active electrode; a reservoir having a frustoconical shaped outer wall and a hollow body at least partly delimited by the outer wall, the reservoir having an inlet and an outlet, the inlet and the outlet each having a respective diameter, wherein the diameter of the inlet is greater than the diameter of the outlet; wherein the outlet defines an application surface adapted to receive a predetermined part of an eyeball surface, wherein an area of the active electrode (“
Se”
) is greater than an area of the application surface (“
Sa”
) to provide an increased electric field intensity by a value proportionate to the ratio “
Se/Sa”
,the application surface being at least partly limited by an outer line concave towards the optical axis of the eyeball, wherein the outer wall extends from the outer line outwardly toward the inlet with respect to the optical axis, and wherein the portion of the outer wall delimiting the hollow body has an inclination angle substantially away from the optical axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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Specification