VALVE DEVICE FOR USE IN GLAUCOMA SURGERY

摘要

A valve device for use in glaucoma surgery comprises at least one aqueous humor feeding duct (2) having a first end (2a) designed to fit into the anterior chamber of the eyeball, a balancing chamber (3) communicating with a second end (2b) of the feeding duct (2) and having an inner volume ranging from 2 mm3 to 6 mm3, and designed to be introduced into a surgical groove in the sclera, a retainer member (6) placed within the feeding duct (2) to allow fluid transfer from the first end (2a) toward the second end (2b) of the feeding duct (2) and to inhibit fluid transfer in the opposite direction. A plurality of aqueous humor outflow ducts (5) extend from the balancing chamber (3) to allow outflow of aqueous humor from the balancing chamber (3) to an outside space.

主权项

1. A valve device for use in glaucoma surgery, comprising:
at least one aqueous humor feeding duct (2) having a first end (2a) designed to fit into the anterior chamber of an eyeball and into the trabecular meshwork of an eyeball; a balancing chamber (3), which is in fluid communication with a second end (2b) of said feeding duct (2), said balancing chamber (3) having an inner volume (4) ranging from 2 mm3 to 6 mm3 and being designed to fit into a surgical groove formed in the sclera of an eyeball; a retainer member (6) placed within said feeding duct (2) and designed to allow fluid transfer from the first end (2a) toward the second end (2b) of the feeding duct (2) and to inhibit fluid transfer from the second end (2b) toward the first end (2a) of the feeding duct (2); a plurality of aqueous humor outflow ducts (5) which extend in fluid communication with and away from said balancing chamber (3) and are designed to allow outflow of aqueous humor from the balancing chamber (3) to an intrascleral space.