A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 9/00 (2006.01) A61B 17/32 (2006.01) A61F 9/013 (2006.01) A61B 19/00 (2006.01)
Patent
CA 2245495
This invention is a surgical device (10) for cutting substantially across a cornea of an eye of a patient, the device including a positioning ring (32) structured to be temporarily attached to a portion of the eye surrounding the cornea to be cut, and defining an aperture (33) sized to receive and expose the cornea to be cut. The surgical device (10) further includes a cutting head assembly (50) structured to be guided and driven over an upper surface of the positioning ring in a generally arcuate path, having a cutting element (70) positioned therein and structured to oscillate laterally to facilitate smooth and effective cutting of the cornea. The cutting head assembly (50) is structured to be detachably coupled to the positioning ring (32) by a coupling member.
La présente invention concerne un instrument chirurgical (10) permettant d'inciser sensiblement par le travers la cornée de l'oeil d'un patient. Cet instrument comporte une bague de positionnement (32) d'une structure permettant la fixation temporaire à une partie de l'oeil entourant la cornée à inciser, et définissant un orifice (33) calibré pour recevoir et découvrir la cornée à inciser. L'instrument chirurgical (10) comporte en outre un ensemble tête de coupe (50) dont la structure permet le guidage et la progression sur une face supérieure de la bague de positionnement selon un tracé généralement arqué. Un élément coupant (70) placé dans la tête de coupe présente une structure lui permettant d'osciller latéralement pour favoriser efficacement l'incision en douceur de la cornée. La structure de l'ensemble tête de coupe (50) lui permet de se coupler de façon non permanente à la bague de positionnement (32) par l'intermédiaire d'un élément de couplage.
Borden Ladner Gervais Llp
Hellenkamp Johann F.
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