Sinus valved glaucoma shunt

Details Sinus valved glaucoma shunt Sinus valved glaucoma shunt

2005-11-22

2005-11-22

Bianco, Patricia (Department: 3761)

Surgery

Devices transferring fluids from within one area of body to...

With flow control means

C604S008000

Reexamination Certificate

active

06966888

ABSTRACT:
The invention relates to a device and method for treating animals, such as humans and dogs, with primary glaucoma by draining or diverting aqueous humor extraocularly comprising a shunt implant wherein the length and tubing of the shunt ensure fluid flow from the eye directly into the frontal sinus cavity via tubing. The device has crossbeam aids in anchoring the device; four slit valves to control fluid flow at required volume; and bulb that anchors in the frontal sinus cavity. The device is preferably made of medical grade radiopaque silicone rubber, and is flexible. Other improvements and a method for implanting the device are disclosed as well.

REFERENCES:
patent: 3788327 (1974-01-01), Donowitz et al.
patent: 4037604 (1977-07-01), Newkirk
patent: 4402681 (1983-09-01), Haas et al.
patent: 5127901 (1992-07-01), Odrich
patent: 5454796 (1995-10-01), Krupin
patent: 6510600 (2003-01-01), Yaron et al.
patent: 6666841 (2003-12-01), Gharib et al.
Cullen, Cheryl L., Allen, Andrew L., Grahn, Bruce H.; “Anterior chamber to frontal sinus shunt for the diversion of aqueous humor: a pilot study in four normal dogs”;Veterinary Ophthalonolegists(1998) 1, 1, pp. 31-39.

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