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US 10,441,959 B2Granted
Multi-orifice spray head
AssigneeMedtronic Xomed, Inc.
InventorsEthan G. Sherman, David J. Little, Wei Chen, John R. Prisco, Matthew J. Friend, Matthew F. Myntti, Tom Zelmer, Cyan Godfrey, Roy Attride
Life of this patent
Estimating the term…
Abstract
A spray head having multiple openings arranged to provide at spray coverage throughout at least 90 degrees from the spray head central axis. The spray head may be used for applying tissue sealants.
Claims12
A method of dispensing fluids to a target body cavity site in a sinus cavity, the method comprising:
- inserting into the sinus cavity a spray head comprising at least a fluid inlet and a plurality of fluid outlet openings configured to provide at least a hemispherical spray coverage pattern, wherein the spray head has a length of about 5.0 to 20 mm, is connected to a flexible multi-lumen cannula, and defines a mixing space or region where fluids exiting lumens of the flexible multi-lumen cannula mix before exiting the spray head, and
- spraying the fluids through the spray head, including supplying pressurized air through a gas lumen in the flexible multi-lumen cannula, and wherein the pressurized air mixes with the fluids in the mixing space or region in the spray head to assist in spraying the fluids;
- withdrawing the spray head from the sinus cavity with the flexible multi-lumen cannula extending out of the target body cavity site attached to the spray head.
Dependencies are inferred from the claim text.