Minimally invasive glaucoma surgical instrument and method

摘要

Apparatuses and methods for the treatment of glaucoma are provided. The instrument uses either cauterization, a laser to ablate, sonic or ultrasonic energy to emulsify, or mechanical cutting of a portion of the trabecular meshwork. The instrument may also be provided with irrigation, aspiration, and a footplate. The footplate is used to enter Schlemm's canal, serves as a guide, and also protects Schlemm's canal.

主权项

1. A device for forming an opening in the trabecular meshwork of the eye of a subject, said device comprising:
an elongate probe having a distal end that is insertable into the anterior chamber of the eye; a member extending from the distal end of the elongate probe, said member having opposing upper and lower sides; and a cutting or ablating apparatus is located adjacent to the upper side of the member; said member being insertable, while the elongate shaft extends through the anterior chamber of the eye, into the Schlemm's canal such that the member is advanceable through a portion of Schlem's canal with the cutting or ablating apparatus cutting or ablating trabecular meshwork tissue as the member is being so advanced.