US 2023/0414343 A1 · DMEK ENDOTHELIUM-IN DELIVERY DEVICE

Abstract

Delivery devices, carriers, and methods for endothelial keratoplasty surgical procedures are provided. The delivery devices include a flat chamber sized to accommodate thin ophthalmic tissue used in Descemet's Membrane Endothelial Keratoplasty (“DMEK”) procedures while the ophthalmic tissue is in a trifolded configuration with the endothelial cells facing inward. One end of the delivery devices is configured for insertion into a patient's eye to inject ophthalmic tissue. Carriers include a container and a cap configured to seal an opening of the container. The carrier is sized to accommodate a delivery device disposed within the container for storage and transport of ophthalmic tissue.

Claims20

Dependent claims

A delivery apparatus for performing endothelial keratoplasty comprising:

(a) a first conduit having a beveled first end with a first opening;
(b) a second conduit having a second end with a second opening;
and
(c) a chamber that extends between the first conduit and the second conduit along a first axis, wherein:
(i) the chamber has an interior thickness, the interior thickness extends along a second axis perpendicular to the first axis, and the interior thickness is between 0.4 millimeters and 0.8 millimeters, and wherein
(ii) the chamber has an interior width, the interior width extends along a third axis perpendicular to the first axis and the second axis, and the interior width is between 2 millimeters and 4 millimeters.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

18/340,142Filed 23 Jun 2023

Priority

23 Jun 2022

Published

28 Dec 2023

Term ends

Not estimatedThe source records don’t support an estimate.

Classification5 codes

A01N 1/146
Mechanical aspects of preservation; Apparatus or containers therefor: non-refrigerated containers specially adapted for transporting or storing…
A61F 2/142
Eye parts, e.g. lenses or corneal implants; Artificial eyes: cornea, e.g. artificial corneae, keratoprostheses or corneal implants for repair of…
A61F 2/148
Eye parts, e.g. lenses or corneal implants; Artificial eyes: implantation instruments specially adapted therefor
A01N
Preservation of bodies of humans or animals or plants or parts thereof

Family

Application63/354,942Us provisional application · filed 23 Jun 2022

Application17/902,371Continuation in part · filed 2 Sep 2022

Application18/340,142Continuation in part

US 2023/0014433 A1Published application

US 2023/0414343 A1This patent

From the US filing history. Foreign family members aren’t listed.

Dmek endothelium-in delivery device

Life of this patent

Dmek endothelium-in delivery device

Life of this patent

Abstract

Claims20