Sub-tenon drug delivery

Details Sub-tenon drug delivery Sub-tenon drug delivery

A - Human Necessities

61

F

A61F 9/00 (2006.01)

Patent

CA 2383572

Drug delivery cannulae (50) are disclosed. One embodiment of a cannula includes a distal portion (52) having a radius of curvature substantially equal to a radius of curvature of the globe of the human eye, a proximal portion (54), and a bend separating the distal portion and the proximal portion. A tangent (72) of the distal portion at the bend is disposed at an angle of no more than about 56 degrees with respect to the proximal portion. The cannulae are capable of sub-Tenon drug delivery to the posterior segment of the human eye proximate the macula.

L'invention concerne des canules (50) d'administration de médicaments. Un mode de réalisation d'une canule comprend une partie distale (52) présentant un rayon de courbure sensiblement égal à un rayon de courbure du globe de l'oeil humain, une partie proximale (54) ainsi qu'une courbure séparant la partie distale de la partie proximale. Une tangente (72) de la partie distale, au niveau de la courbure, est disposée en un angle ne dépassant pas environ 56 DEG par rapport à la partie proximale. Les canules sont capables d'une administration sous-tendineuse de médicaments au segment postérieur de l'oeil humain près de la macula.

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