Patent ID: 6540760
Filing Date: 2003-04-01
Classification: A61F

Abstract:
A blade assembly for use in a surgical device that cuts at least partially across the cornea of an eye of a patient, the surgical device including means attachable to the cutting blade assembly to cause a forward cutting edge of the blade assembly to vibrate or oscillate, the cutting blade assembly comprising:a) a triangular shaped cutting blade comprising a forward portion constituting a first side of the triangular shaped cutting blade and first and second rearwardly extending side edges constituting a second and third side of the triangular shaped cutting blade, the front portion comprising a sharp, cutting edge in the plane of the blade and extending across the width thereof, the triangular shaped blade also including a first and a second extension projecting outwardly from the first and second side edges, respectively, and b) a blade holder having a driving mechanism receiving portion and an blade receiving portion, the blade receiving portion sized and shaped to receive the triangular shaped blade and extensions with the sharp edge of the front portion extending beyond a front surface of the blade holder, the triangular blade being secured within the blade receiving portion of the blade holder.