IP Library Granted Patent US 12,551,376
Granted Patent B2
US 12,551,376 · App. 17/866,429 · Granted Feb 17, 2026

Intraocular implants and methods and kits therefor

Inventors: David Y. Badawi (Glenview, IL); Paul Badawi (Atherton, CA)
Assignee: Sight Sciences, Inc.
A61F9/00781A61F9/0017A61F2210/0004A61F2210/0014A61F2250/0067
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Quick Facts
Patent No.
US 12,551,376
App. No.
17/866,429
Granted
Feb 17, 2026
Kind
B2
Abstract

Devices, methods and kits are described for reducing intraocular pressure. The devices include a support that is implantable within Schlemm's canal and maintains the patency of the canal without substantially interfering with transmural fluid flow across the canal. The devices utilize the natural drainage process of the eye and can be implanted with minimal trauma to the eye. Kits include a support and an introducer for implanting the support within Schlemm's canal. Methods include implanting a support within Schlemm's canal, wherein the support is capable of maintaining the patency of the canal without substantial interference with transmural fluid flow across the canal.

Claims (23)

1 . A kit for reducing intraocular pressure, comprising:

a support configured to be implanted circumferentially within Schlemm's canal to maintain patency of at least a portion of Schlemm's canal;

an introducer configured to position the support within Schlemm's canal; and

a dilating device configured to inject fluid into Schlemm's canal.

2 . The kit of claim 1 , wherein the support is configured to allow transmural fluid flow across Schlemm's canal.

3 . The kit of claim 1 , wherein the support comprises an arcuate member.

4 . The kit of claim 3 , wherein the arcuate member comprises a radius of curvature of about 3 mm to about 8 mm.

5 . The kit of claim 3 , wherein the arcuate member comprises a radius of curvature that is smaller than a radius of curvature of Schlemm's canal.

6 . The kit of claim 1 , wherein the support is configured to extend about one quarter of the way around Schlemm's canal.

7 . The kit of claim 1 , wherein the support is configured to extend about one half of the way around Schlemm's canal.

8 . The kit of claim 1 , wherein the support comprises at least one fenestration.

9 . The kit of claim 8 , wherein the support comprises a plurality of fenestrations.

10 . The kit of claim 1 , wherein the support is non-tubular.

11 . The kit of claim 1 , wherein the support comprises a shape memory material.

12 . The kit of claim 1 , wherein the support is a first support, the kit further comprising at least one second support.

13 . The kit of claim 12 , wherein the first support and the at least one second support are configured to be implanted within different eyes of a patient.

14 . The kit of claim 1 , wherein the introducer comprises a cannula configured to guide the support to Schlemm's canal.

15 . The kit of claim 14 , wherein the cannula is tubular.

16 . The kit of claim 14 , wherein the introducer further comprises a rod configured to advance the support into Schlemm's canal.

17 . The kit of claim 16 , wherein the rod is positioned within a lumen of the cannula.

18 . The kit of claim 17 , wherein the support is positioned at distal end of the rod within the lumen of the cannula.

19 . The kit of claim 1 , wherein the fluid comprises a high viscosity fluid.

20 . The kit of claim 19 , wherein the fluid comprises sodium hyaluronate.

Assignments (2)
SECURITY INTEREST Recorded Jan 23, 2024
From: SIGHT SCIENCES, INC.
To: HERCULES CAPITAL, INC., AS AGENT
Reel/Frame 066364/0162 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 28, 2022
From: BADAWI, DAVID Y.; BADAWI, PAUL
To: SIGHT SCIENCES, INC.
Reel/Frame 062005/0982 →
Continuity (5)
Continuation 16413466 · May 15, 2019
Continuation 15182165 · Jun 14, 2016
Continuation 13025112 · Feb 10, 2011
Division 11475523 · Jun 26, 2006
Related Publication 20220354695A1 · Nov 10, 2022
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