Patent ID: 7189248
Filing Date: 2007-03-13
Classification: A61F

Abstract:
1. A surgical tool for making an incision in scleral tissue of an eye, comprising: a surgical blade capable of being moved by the surgical tool through the scleral tissue of the eye to make an incision, the incision having the form of a scleral pocket that is capable of receiving a scleral prosthesis; a base housing comprising a first drive shaft and a drive motor capable of providing bidirectional rotational motion to the first drive shaft; a drive shaft housing comprising a second drive shaft coupled to the first drive shaft; a blade mount housing comprising a third drive shaft coupled to the second drive shaft, the blade mount housing being mounted on the drive shaft housing at an angle with respect to a central axis of the drive shaft housing, wherein the surgical blade comprises (i) a rotatable support arm coupled to the third drive shaft and (ii) a curved cutting blade coupled to the rotatable support arm; and a blade guide mounted on said blade mount housing, said blade guide having portions that form a circularly shaped surface that is concentric with said curved cutting blade but having a radius less than a radius of said curved cutting blade, so that said curved cutting blade passes over said circularly shaped surface of said blade guide when said support arm rotates said curved cutting blade in a forward direction.