Shunt device and method for treating glaucoma
First Claim
1. An aqueous humor shunt device to divert aqueous humor in an eye from the anterior chamber into Schlemm'"'"'s canal, the shunt device comprising a distal portion having at least one terminal aspect sized and shaped to be received circumferentially within a portion of Schlemm'"'"'s canal and a proximal portion having at least one terminal aspect sized and shaped to be received within the anterior chamber of the eye, wherein the distal portion has an outer diameter of from about 0.1 mm to about 0.5 mm and a length of from about 1 mm to 40 mm, wherein the device permits fluid communication from the proximal portion in the anterior chamber to the distal portion in Schlemm'"'"'s canal.
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Abstract
The present invention provides a shunt for the flow of aqueous humor from the anterior chamber of the eye to Schlemm'"'"'s canal. The device comprises at least one lumen and optionally has at least one anchor extending from the proximal portion within the anterior chamber to assist in placement and anchoring of the device in the correct anatomic position.
361 Citations
32 Claims
- 1. An aqueous humor shunt device to divert aqueous humor in an eye from the anterior chamber into Schlemm'"'"'s canal, the shunt device comprising a distal portion having at least one terminal aspect sized and shaped to be received circumferentially within a portion of Schlemm'"'"'s canal and a proximal portion having at least one terminal aspect sized and shaped to be received within the anterior chamber of the eye, wherein the distal portion has an outer diameter of from about 0.1 mm to about 0.5 mm and a length of from about 1 mm to 40 mm, wherein the device permits fluid communication from the proximal portion in the anterior chamber to the distal portion in Schlemm'"'"'s canal.
- 18. An aqueous humor shunt device to divert aqueous humor in an eye from the anterior chamber into Schlemm'"'"'s canal, the shunt device comprising a distal portion having at least one terminal aspect sized and shaped to be received circumferentially within a portion of Schlemm'"'"'s canal and a proximal portion having at least one terminal aspect sized and shaped to be received within the anterior chamber of the eye, wherein the device permits fluid communication from the proximal portion in the anterior chamber to the distal portion in Schlemm'"'"'s canal, and wherein the proximal portion has an anchor thereon to maintain the device in position when implanted in tissues.
Specification