Opthamological instruments and methods of use

A - Human Necessities – 61 – F

Patent

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A61F 9/007 (2006.01)

Patent

CA 2259213

An incision and placement marker (100) is used to place incision and positioning marks on the eye as well as to center a vacuum centering guide. A corneal spreader (150) forms pockets in the corneal tissue at the incision site. Clockwise and counter-clockwise glides (240) ease the insertion of clockwise and counter-clockwise dissector blades. A field dissector inspection gauge (400) is provided to check the planarity and concentricity of dissector gauges. Forceps (500) have a space having a predetermined shape to hold an implant at a predetermined acute angle. A kit includes the incision and placement marker (100), corneal spreader (150), glide (240), field dissector inspection gauge (400), and, optionally, the forceps (500). Methods of using the instruments are also provided.

La présente invention concerne un marqueur d'incision et de repérage (100) servant à placer sur l'oeil des marques d'incision et de repérage et à centrer un guide de centrage à dépression. Un écarteur cornéen (150) forme des poches dans le tissu cornéen du site d'incision. Des translateurs (240), dextrogyre et sénestrogyre, facilitent l'insertion de lames dissectrices respectivement dextrogyre et sénestrogyre. Un gabarit de contrôle (400) sur site des dissecteurs permet de vérifier la planéité ainsi que la concentricité des gabarits des dissecteurs. Des pinces (500) présentent un intervalle d'une forme conçue pour tenir un implant selon un angle aigu défini. L'invention concerne également un nécessaire comprenant le marqueur d'incision et de repérage (100), l'écarteur cornéen (150), les translateurs (240), le gabarit de contrôle (400) sur site des dissecteurs, et facultativement, la pince (500). L'invention concerne enfin des procédés d'utilisation de ces instruments.

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