System and method for resecting corneal tissue

Details System and method for resecting corneal tissue System and method for resecting corneal tissue

A - Human Necessities

61

F

A61F 9/007 (2006.01) A61F 9/008 (2006.01)

Patent

CA 2659852

A system and method for resecting and transplanting corneal tissue is disclosed. In a recipient cornea, a resection depth from the anterior surface of the recipient cornea is determined based upon a biomechanical model of the recipient cornea. A resection incision for resecting a posterior portion of the recipient cornea is made at the resection depth. Preferably, the incision is made using a surgical laser. Optionally, a contact lens may be placed against the anterior surface of the recipient cornea, wherein the shape of the anterior surface is conformed to the shape of the contact lens.

L'invention concerne un système et un procédé de résection et de transplantation du tissu cornéen. On détermine la profondeur de résection dans la cornée du receveur à partir de la surface antérieure de la cornée du receveur sur la base d'un modèle biomécanique de la cornée du receveur. On effectue une incision pour la résection d'une partie postérieure de la cornée du receveur à la profondeur de résection et ce, de préférence, à l'aide d'un laser chirurgical. Une lentille de contact peut éventuellement être placée contre la surface antérieure de la cornée du receveur, ladite surface antérieure étant conformée pour épouser la forme de la lentille de contact.

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