IP Library Granted Patent US 12,336,930
Granted Patent B2
US 12,336,930 · App. 16/988,495 · Granted Jun 24, 2025

Dry eye treatment apparatus and methods

Inventor: Paul Badawi (Menlo Park, CA)
Assignee: Sight Sciences, Inc.
A61F7/02A61F9/00A61F13/00063A61H23/0245A61H23/0263A61M35/10A61F2007/0004A61F2007/0071A61F2007/0096A61F2007/0226A61F2007/0292A61F7/034A61F7/106A61F9/04A61F2013/00187A61F2013/0028A61F2013/00497A61F2013/00502A61F2013/00646A61H2201/0188A61H2201/0207A61H2201/0214A61H2201/0228A61H2201/0257A61H2201/0278A61H2201/10A61H2201/105A61H2201/5002A61H2201/5035A61H2201/5038A61H2201/5041A61H2201/5082A61H2205/024
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Quick Facts
Patent No.
US 12,336,930
App. No.
16/988,495
Granted
Jun 24, 2025
Kind
B2
Abstract

Dry eye treatment apparatus and methods which include one or more patches or strips affixed to the skin of the upper and/or lower eyelids to deliver heat or other forms of energy, pressure, drugs, moisture, etc. (alone or in combination) to the one or more meibomian glands contained within the underlying skin. The one or more patches or strips may allow for the subject to blink naturally without restriction from the one or more patches or strips. The one or more patches or strips may be shaped to follow a location of one or more meibomiam glands contained within the underlying region of skin.

Claims (54)

1. A treatment assembly comprising:

a first strip configured to emit energy to an upper eyelid of an eye, wherein the first strip has a first strip first end and a first strip second end opposite the first strip first end;

a first connector;

a second strip configured to emit energy to a lower eyelid of the eye, wherein the second strip has a second strip first end and a second strip second end opposite the second strip first end;

a second connector, wherein the second connector extends laterally from the second strip first end; and

a third strip, wherein the second connector is attached to the third strip,

wherein the first strip and the second strip are configured to allow for a subject to blink naturally without restriction such that when the first strip and the second strip are worn by the subject, the first strip and the second strip are configured to be closer to each other when the subject has their eyes closed than when the subject has their eyes open,

wherein the first strip second end comprises a terminal end of the first strip such that the first strip second end comprises a free end of the first strip,

wherein the second strip second end comprises a terminal end of the second strip such that the second strip second end comprises a free end of the second strip,

wherein when the first strip is worn by the subject, the first strip first end and the first strip second end are adhered to the upper eyelid,

wherein when the second strip is worn by the subject, the second strip first end and the second strip second end are adhered to the lower eyelid,

wherein when the first strip and the second strip are worn by the subject, the first strip second end and the second strip second end are closer to a nose of the subject than the first strip first end and the second strip first end, and

wherein when the first strip and the second strip are worn by the subject, the first strip and the second strip are closer to the nose than the third strip.

2. The treatment assembly of claim 1 , wherein the terminal end of the first strip comprises a first terminal end of the first strip, wherein the second terminal end of the first strip is opposite the first terminal end of the first strip, wherein the terminal end of the second strip comprises a first terminal end of the second strip, wherein the second connector extends from a second terminal end of the second strip, wherein the second terminal end of the second strip is opposite the first terminal end of the second strip, and wherein the first connector and the second connector extend in the same direction.

3. The treatment assembly of claim 1 , wherein the first strip has a curved or arcuate periphery which is shaped to extend and follow a free margin of the upper eyelid, and wherein the second strip has a curved or arcuate periphery which is shaped to extend and follow a free margin of the lower eyelid.

4. The treatment assembly of claim 1 , wherein the first strip and/or the second strip has a thickness of up to 3.175 mm.

5. The treatment assembly of claim 1 , wherein the first strip and/or the second strip comprises a compressive mechanism configured to apply a biasing force to the one or more meibomian glands, and wherein the compressive mechanism is configured for application to the one or more meibomian glands during emission of the energy to the first eyelid and/or the second eyelid.

6. The treatment assembly of claim 1 , wherein the first strip comprises a first adhesive portion of the treatment assembly, wherein the second strip comprises a second adhesive portion of the treatment assembly, and wherein the third strip comprises a third adhesive portion of the treatment assembly.

7. The treatment assembly of claim 1 , wherein when the first strip and the second strip are worn by the subject, a space adjacent the first strip second end and the second strip second end is free of a connector when the subject has their eyes closed and when the subject has their eyes open.

8. A treatment assembly comprising:

a first strip, a second strip, a third strip, and a connector,

wherein the first strip is placeable on an upper eyelid of an eye, wherein the first strip has a first strip first end and a first strip second end opposite the first strip first end,

wherein energy is deliverable via the first strip to the upper eyelid,

wherein the second strip is placeable on a lower eyelid of the eye, wherein the second strip has a second strip first end and a second strip second end opposite the first strip first end,

wherein energy is deliverable via the second strip to the lower eyelid,

wherein the connector extends laterally from the second strip first end toward the third strip,

wherein when the first strip and the second strip are worn by a subject, an open space is between the first strip second end and the second strip second end such that when the first strip and the second strip are worn by the subject, the treatment assembly allows the subject to blink naturally without restriction,

wherein the first strip has a first strip width, wherein the connector has a connector width, and wherein the first strip width is greater than the connector width, and

wherein the first strip has a first strip length, wherein the connector has a connector length, and wherein the connector length is greater than the first strip length.

9. The treatment assembly of claim 8 , further comprising a controller, wherein a thermal parameter of the first strip and the second strip is controllable via the controller, wherein the second strip has a second strip width, wherein the second strip width is greater than the connector width, wherein the second strip has a second strip length, and wherein the connector length is greater than the second strip length.

10. The treatment assembly of claim 8 , wherein the connector comprises a first connector, wherein the treatment assembly further comprises a second connector, wherein the second connector has a connector width, wherein the first strip width or the second strip width is greater than the second connector width, wherein the second connector has a second connector length, and wherein the first connector length or the second connector length is greater than the first strip length.

11. The treatment assembly of claim 8 , wherein the first strip and/or the second strip comprises a compressive mechanism configured to apply a biasing force to one or more meibomian glands.

12. The treatment assembly of claim 8 , wherein the conductive element is longer than the first strip.

13. The treatment assembly of claim 8 , wherein when the first strip and the second strip are worn by the subject, the open space is free of connectors.

14. A treatment assembly comprising:

a first strip, a second strip, a first connector, and a second connector, wherein the second connector extends laterally from a first end of the second strip that is opposite a second end of the second strip,

wherein the first strip is placeable on an upper eyelid of an eye,

wherein energy is deliverable via the first strip to the upper eyelid,

wherein the second strip is placeable on a lower eyelid of the eye,

wherein energy is deliverable via the second strip to the lower eyelid,

wherein the first connector and the second connector are between the first strip and the second strip such that a first end of the first strip is closer to the first end of the second strip than to the second end of the second strip,

wherein the first connector and the second connector extend in the same direction,

wherein the second connector is the only connector that extends from the second strip, and

wherein the first strip and the second strip are worn by a subject, the treatment assembly is configured to allow for the subject to blink naturally without restriction.

15. The treatment assembly of claim 14 , wherein the first strip and/or the second strip comprises a compressive mechanism configured to apply a biasing force to one or more meibomian glands.

16. The treatment assembly of claim 14 , further comprising an adhesive,

wherein the second end of the first strip comprises a terminal end of the first strip such that the second end of the first strip comprises a free end of the first strip,

wherein the second end of the first strip comprises a terminal end of the second strip such that the second end of the second strip comprises a free end of the second strip,

wherein when the first strip is worn by the subject, the first end of the first strip and the second end of the first strip are adhered to the upper eyelid,

wherein when the second strip is worn by the subject, the first end of the second strip and the second end of the second strip are adhered to the lower eyelid,

wherein when the first strip and the second strip are worn by the subject, the second end of the first strip and the second end of the second strip are closer to a nose of the subject than the first end of the first strip and the first end of the second strip,

wherein when the first strip and the second strip are worn by the subject, the first connector and the second connector are between the first strip and the adhesive,

wherein when the first strip and the second strip are worn by the subject, the first connector and the second connector are between the second strip and the adhesive,

wherein when the first strip and the second strip are worn by the subject, the first strip and the second strip are closer to the nose than the adhesive.

Assignments (3)
SECURITY INTEREST Recorded Jan 23, 2024
From: SIGHT SCIENCES, INC.
To: HERCULES CAPITAL, INC., AS AGENT
Reel/Frame 066364/0162 →
CORRECTIVE ASSIGNMENT TO CORRECT THE EXECUTION DATE OF THE ASSIGNOR PREVIOUSLY RECORDED ON REEL 053437 FRAME 0745. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded May 6, 2021
From: BADAWI, PAUL
To: SIGHT SCIENCES, INC.
Reel/Frame 056156/0387 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 7, 2020
From: BADAWI, PAUL
To: SIGHT SCIENCES, INC.
Reel/Frame 053437/0745 →
Continuity (3)
Continuation 15639850 · Jun 30, 2017
Continuation 13343407 · Jan 4, 2012
Related Publication 20200405534A1 · Dec 31, 2020
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