IP Library › Granted Patent US 12,279,822
Granted Patent B2
US 12,279,822 · App. 18/494,617 · Granted Apr 22, 2025

Gonioscopic devices

Inventors: Charles Raymond Kalina, Jr. (Irvine, CA); Thomas W. Burns (Dana Point, CA); Chris Calcaterra (Coto De Caza, CA); Edward Collins (Laguna Niguel, CA); Timothy McCauley (Oceanside, CA); David S. Haffner (Mission Viejo, CA); Steven M. Henderson (Roswell, GA)
Assignee: GLAUKOS CORPORATION
A61B3/117A61B3/0033A61B3/0083
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Quick Facts
Patent No.
US 12,279,822
App. No.
18/494,617
Granted
Apr 22, 2025
Kind
B2
Abstract

A gonioscopic attachment can attach to a gonioscope and can include atraumatic retention elements that are configured to engage an eye to retain the gonioscope relative to the eye. The gonioscopic attachment can be configured to position the gonioscope so that at least a portion of the concave distal surface of the gonioscopic optical element is spaced apart from the eye, and/or so that the curvature of the distal surface is angularly offset from the curvature of the eye. The gonioscope can include a fixation point configured to be visible to the subject when the gonioscope is positioned on the eye. In some embodiments, the retention elements can be incorporated directly into the gonioscope. A coupling mechanism can couple the gonioscope to a lid speculum. The gonioscope can include a light pipe, which can be configured to directly light into the eye.

Claims (28)

1. A gonioscope comprising:

a gonioscopic optical element that includes:

a concave distal surface configured to be positioned on an eye of a subject; and

a proximal surface, wherein the gonioscopic optical element is configured to receive light from a structure inside the eye through the distal surface, and to output the light from the proximal surface to produce an image of the structure inside the eye, and wherein the proximal surface is angled relative to the distal surface so that a distance between the proximal surface and the distal surface on a first side of the gonioscopic optical element is smaller than a distance between the proximal surface and the distal surface on a second side of the gonioscopic optical element;

a handle coupled to the gonioscopic optical element, wherein the gonioscopic optical element has a plane of symmetry, and wherein the handle has a centered position with the handle extending generally upward from the gonioscopic optical element along the plane of symmetry; and

a plurality of arms extending distally from the gonioscopic optical element, wherein the plurality of arms have retention elements configured to engage scleral tissue of the eye to retain the gonioscope relative to the eye.

2. The gonioscope of claim 1 , wherein the handle is removable from the gonioscopic optical element.

3. The gonioscope of claim 1 , further comprising an optical fixation point.

4. The gonioscope of claim 3 , wherein the optical fixation point is configured to be visible to the subject when the gonioscopic optical element is positioned over the eye of the subject, wherein the optical fixation point is configured so that when the eye of the subject looks directly at the optical fixation point, the gonioscopic optical element is oriented relative to the eye so that the light output from the proximal surface of the gonioscopic optical element produces an image of the anterior chamber angle of the eye.

5. The gonioscope of claim 1 , wherein the plurality of arms includes a first arm having a centered position that extends along the plane of symmetry of the gonioscopic optical element, a second arm positioned on a left side of the gonioscopic optical element, and a third arm positioned on a right side of the gonioscopic optical element.

6. The gonioscope of claim 5 , wherein the first arm includes a plurality of the retention elements that comprise protrusions, wherein the second arm includes a plurality of the retention elements that comprise protrusions, and wherein the third arm includes a plurality of the retention elements that comprise protrusions.

7. The gonioscope of claim 1 , wherein the retention elements comprise protrusions.

8. The gonioscope of claim 1 , wherein the proximal surface of the gonioscopic optical element is curved.

9. The gonioscope of claim 1 , wherein the handle has a distal portion having a first thickness and a proximal portion having a second thickness that is larger than the first thickness.

10. A gonioscope comprising:

a gonioscopic optical element having a concave distal surface and a proximal surface, wherein the gonioscopic optical element is configured to be positioned over an eye of a subject for imaging a structure inside the eye;

a handle coupled to the gonioscopic optical element, wherein the handle has a centered position with the handle extending generally proximally from the gonioscopic optical element; and

a plurality of arms extending distally from the gonioscopic optical element, wherein the plurality of arms have retention elements configured to engage scleral tissue of the eye to retain the gonioscope relative to the eye.

11. The gonioscope of claim 10 , wherein the handle is removable from the gonioscopic optical element.

12. The gonioscope of claim 10 , further comprising an optical fixation point.

13. The gonioscope of claim 12 , wherein the optical fixation point is configured to be visible to the subject when the gonioscopic optical element is positioned over the eye of the subject, wherein the optical fixation point is configured so that when the eye of the subject looks directly at the optical fixation point, the gonioscopic optical element is oriented relative to the eye so that light output from the proximal surface of the gonioscopic optical element produces an image of the anterior chamber angle of the eye.

14. The gonioscope of claim 10 , wherein the plurality of arms includes a first arm having a centered position that extends along the plane of symmetry of the gonioscopic optical element, a second arm positioned on a left side of the gonioscopic optical element, and a third arm positioned on a right side of the gonioscopic optical element.

15. The gonioscope of claim 14 , wherein the retention elements comprise protrusions, wherein the first arm includes one or more of the protrusions, wherein the second arm includes one or more of the protrusions, and wherein the third arm includes one or more of the protrusions.

16. The gonioscope of claim 10 , wherein the retention elements comprise protrusions.

17. The gonioscope of claim 10 , wherein the proximal surface of the gonioscopic optical element is curved.

18. The gonioscope of claim 10 , wherein the handle has a distal portion having a first thickness and a proximal portion having a second thickness that is larger than the first thickness.

19. The gonioscope of claim 10 , wherein the proximal surface of the gonioscopic optical element is angled relative to the distal surface so that a distance between the proximal surface and the distal surface on a first side of the gonioscopic optical element is smaller than a distance between the proximal surface and the distal surface on a second side of the gonioscopic optical element.

20. The gonioscope of claim 10 , wherein the gonioscopic optical element has a shape with a single plane of symmetry, and handle extends along the plane of symmetry.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 24, 2025
From: KALINA, CHARLES RAYMOND, JR.; BURNS, THOMAS W.; CALCATERRA, CHRIS; COLLINS, EDWARD; MCCAULEY, TIMOTHY; HAFFNER, DAVID S.; HENDERSON, STEVEN M.
To: GLAUKOS CORPORATION
Reel/Frame 070605/0152 →
Continuity (6)
Continuation 17332885 · May 27, 2021
Continuation 16706525 · Dec 6, 2019
Continuation 15559391
Provisional Application 62202017 · Aug 6, 2015
Provisional Application 62136376 · Mar 20, 2015
Related Publication 20240245294A1 · Jul 25, 2024
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