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US 11,911,316 B2Granted
Corneal linear axis marker
AssigneeMichael Posner
InventorsMichael Posner, Matthew Dykes, Ronald Dykes
Life of this patent
Estimating the term…
Abstract
A device for marking a corneal surface of an eye includes a planar base having a central opening, a marking side, and a non-marking side, a linear marker extending across the central opening, and an outer circumference of the planar base having a wall extending vertically away from the non-marking side.
Claims24
A device for marking a corneal surface, the device comprising:
- a planar base having a central opening, a marking side, and a non-marking side;
- only one single marker extending across the central opening and configured to physically contact the corneal surface when the device is pressed over the corneal surface;
- and
- an outer circumference of the planar base having a wall extending vertically away from the non-marking side.
1 more element
A device for marking a corneal surface, the device comprising:
- a planar base having an inner wall defining a central opening, a top side, and a bottom side;
- a first passage and a second passage extending vertically through the planar base on opposite sides of the central opening;
- a linear marker extending across the central opening and positioned above the bottom side;
- a first end of the linear marker passing through the first passage and tied in a first knot securing the first end to the planar base;
- a second end of the linear marker passing through the second passage and tied in a second knot securing the second end to the planar base;
- and
- an outer circumference of the planar base having a wall extending vertically above the top side.
4 more elements
Dependencies are inferred from the claim text.