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New devices may improve access to Schlemm’s canal

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Thomas W. Samuelson, MD, spoke about devices designed to make managing Schlemm's canal easier.

LAS VEGAS — Two new devices for use in non-penetrating glaucoma procedures may help the surgeon perform delicate manipulations of Schlemm’s canal, according to a speaker here.

Thomas W. Samuelson, MD, described the two technologies at the Ocular Surgery News Symposium, Glaucoma: Improving Your Odds.

Dr. Samuelson said one of the devices, the iStent, is made by Glaukos. He said the device helps to lower IOP by shunting aqueous from the anterior chamber directly into Schlemm’s canal.

“I like procedures that provide a direct conduit into Schlemm’s canal,” he said.

The other device, the iScience microcatheter, helps to guide the surgeon while performing combined procedures.

“It not only helps you to access Schlemm’s canal easily, but it helps you to see where you are,” he said. He added that the device allows 360° dilation around the canal.

Both devices are currently under investigation for Food and Drug Administration approval, Dr. Samuelson said.