MULTI-ORIFICE SPRAY HEAD

• US 20130110158A1
• Filed: 10/28/2011
• Published: 05/02/2013
• Est. Priority Date: 10/28/2011
• Status: Active Grant

• Current Assignee: Medtronic Xomed Incorporated (Medtronic Plc)
• Original Assignee: Medtronic Xomed Incorporated (Medtronic Plc)
• Inventors: Sherman, Ethan G., Little, David J., Chen, Wei, Prisco, John R., Friend, Matthew J., Myntti, Matthew F., Zelmer, Tom, Godfrey, Cyan, Attride, Roy
• Granted Patent: US 10,441,959 B2
• Time in Patent Office: Days
• US Class Current: 606/213
• CPC Class Codes: A61M 11/007 Syringe-type or piston-type sprayers or atomisers
• CPC Class Codes: A61M 11/08 Pocket atomisers of the injector type aerosol cans A61M15/009
• CPC Class Codes: B05B 1/14 with multiple outlet openings B05B1/02, B05B1/26 take precedence; with strainers in or outside the outlet opening
• CPC Class Codes: B05B 11/0078 Arrangements for separately storing several components arrangements for pumping several liquids or other fluent materials from several containers B05B11/1081
• CPC Class Codes: B05B 11/02 Membranes or pistons acting on the contents inside the container, e.g. follower pistons

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.

Claims

1. 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 5.0 to 20 mm.

2. The spray head of claim 1 wherein the spray head provides a suprahemispherical spray coverage pattern.

3. The spray head of claim 1 wherein the spray head provides a spray coverage pattern extending over at least 90 degree arc either side of a central axis.

4. The spray head of claim 1 wherein the spray head has 20-30 fluid outlet openings

5. The spray head of claim 1 wherein the spray head is made of stainless steel.

6. The spray head of claim 1 wherein the spray head has an outer diameter of 0.5 to 10 mm.

7. The spray head of claim 1 wherein the spray head has a wall thickness of 0.01 to 1.0 mm.

9. The spray head of claim 1 wherein the spray head is connected to a spray delivery system.

8. (canceled)

10. A method of dispensing fluids to a target body cavity site, the method comprising:

spraying a fluid through a spray head comprising at least one 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 5.0 to 20 mm.

11. The method of claim 10 comprising spraying a tissue sealant.

12. The method of claim 10 comprising spraying a mixture of chitosan and starch.

13. The method of claim 10 wherein the spray head provides a suprahemispherical spray coverage pattern.

14. The spray head of claim 10 wherein the spray head provides a spray coverage pattern extending over at least about 90 degree arc either side of a central axis.

15. The spray head of claim 10 wherein the spray head has 20 to 30 fluid outlet openings.

16. The spray head of claim 10 wherein the spray head is made of stainless steel.

17. The spray head of claim 10 wherein the spray head has an outer diameter of about 0.5 to about 10 mm.

18. The spray head of claim 10 wherein the spray head has a wall thickness of about 0.01 to about 1.0 mm

19. The spray head of claim 10 wherein the spray head has a length of about 5.0 to about 20 mm.