IP Library Granted Patent US 9,592,154
Granted Patent B2
US 9,592,154 · App. 14/834,158 · Granted Mar 14, 2017

Intraocular shunt manufacture

Inventors: Laszlo O. Romoda (San Marcos, CA); Brian Hamstrom (Trabuco Canyon, CA); Partha Chandrakant (Foothill Ranch, CA); Christopher Horvath (Desert Hot Springs, CA)
Assignee: AqueSys, Inc.
A61F9/00781B05C3/12C23C2/00A61F2240/001
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Quick Facts
Patent No.
US 9,592,154
App. No.
14/834,158
Granted
Mar 14, 2017
Kind
B2
Abstract

An intraocular shunt can be manufactured using a system that includes a liquid bath and a wire, which is moved through the bath. When moved through the bath, the wire is coated with a material, such as gelatin. For example, the liquid bath can have a top layer, including water, and a bottom layer, including gelatin. The coated wire passes through an aperture formed in a plate component of the system. The gelatin can be dried on the wire in a humidity-controlled space, thereby forming the shunt.

Claims (34)

1. A method for manufacturing a gelatin shunt, the method comprising:

moving a wire through a liquid bath, comprising a top layer and a bottom gelatin layer having a drug, to coat the wire with gelatin;

moving the gelatin-coated wire through an aperture; and

drying the gelatin on the wire in a humidity-controlled space, thereby manufacturing a drug-impregnated gelatin shunt.

2. The method of claim 1 , wherein the drug comprises an anti-mitotic pharmaceutical.

3. The method of claim 2 , wherein the drug comprises Mitomycin-C.

4. The method of claim 1 , wherein the drug comprises a steroid or antifibrotic agent.

5. The method of claim 1 , wherein the drug comprises 5-Fluorouracil or an anti-VEGF.

6. The method of claim 1 , wherein the drug comprises an antimicrobial agent.

7. The method of claim 6 , wherein the drug further comprises a non-pathogenic bacterium.

8. The method of claim 1 , wherein the drug comprises an antiseptic.

9. The method of claim 1 , wherein the drug comprises a time-release pharmaceutical or biological agent.

10. The method of claim 1 , wherein the top layer comprises water.

11. The method of claim 10 , wherein the moving the wire comprises moving the wire through the top layer to encapsulate the gelatin-coated wire with water.

12. The method of claim 1 , wherein after the drying, the shunt comprises a uniform shape and a uniform cross-section.

13. The method of claim 1 , further comprising controlling humidity of the space by drying the gelatin on the wire in the presence of an ultrasonic water fog.

14. The method of claim 1 , wherein the aperture is positioned above the bottom layer.

15. A method for manufacturing a gelatin shunt, the method comprising:

moving a wire through a liquid bath to coat the wire with gelatin;

drawing the gelatin-coated wire through an aperture, thereby controlling a cross-sectional thickness of the gelatin coating on the wire;

drying the gelatin on the wire in a humidity-controlled space, in the presence of an ultrasonic water fog, thereby manufacturing a gelatin shunt; and

coating the shunt with a drug.

16. The method of claim 15 , wherein the drug comprises an anti-mitotic pharmaceutical.

17. The method of claim 16 , wherein the drug comprises Mitomycin-C.

18. The method of claim 15 , wherein the drug comprises a steroid or antifibrotic agent.

19. The method of claim 15 , wherein the drug comprises 5-Fluorouracil or an anti-VEGF.

20. The method of claim 15 , wherein the drug comprises an antimicrobial agent.

21. The method of claim 20 , wherein the drug further comprises a non-pathogenic bacterium.

22. The method of claim 15 , wherein the drug comprises an antiseptic.

23. The method of claim 15 , wherein the drug comprises a time-release pharmaceutical or biological agent.

24. The method of claim 15 , wherein the coating comprises coating an exterior surface of the shunt.

25. The method of claim 15 , wherein the coating comprises coating an interior surface of the shunt.

26. The method of claim 15 , wherein the liquid bath comprises a top layer and a bottom layer, the top layer comprising water, and the bottom layer comprising gelatin.

27. The method of claim 15 , wherein the gelatin-coated wire extends vertically during the drying step.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 6, 2016
From: HORVATH, CHRISTOPHER; HAMSTROM, BRIAN; ROMODA, LASZLO O.; CHANDRAKANT, PARTHA
To: AQUESYS, INC.
Reel/Frame 038488/0263 →
Continuity (3)
Continuation 14295020 · Jun 3, 2014
Continuation 13314950 · Dec 8, 2011
Related Publication 20160158063A1 · Jun 9, 2016