Composite ophthalmic microcannula

Details Composite ophthalmic microcannula Composite ophthalmic microcannula

A - Human Necessities

61

F

A61F 9/007 (2006.01)

Patent

CA 2554257

Microcannulae are constructed with multiple components in a composite design, allowing the microcannulae to have varying mechanical and delivery properties that will enable ophthalmic treatments by minimally invasive means. The microcannula includes at least one flexible, tubular communicating element (9) with an outer diameter of 350 microns or less, a proximal connector for introduction of materials, energy or tools. It may also include a reinforcing member attached to the communicating element, which may be designed to create variable stiffness along the length of the microcannula. The microcannula may also include other features such as a signal beacon near the distal tip.

Des microcanules sont obtenues avec de multiples composants dans une conception composite, permettant aux microcanules de faire preuve de propriétés mécaniques et d'acheminement divers permettant des traitements ophtalmiques par des moyens à effraction minimale. Les microcanules comprennent au moins un élément de communication souple et tubulaire dont le diamètre externe est de 350 microns au plus, un connecteur proximal pour l'introduction de matières, d'énergie ou d'instruments. Les microcanules comprennent également un élément de renfort fixé à l'élément de communication qui peut être conçu pour créer une rigidité variable le long de la microcanule. Les microcanules peuvent également présenter des caractéristiques notamment une balise de signal à proximité du bout distal.

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