Opthalmic device for cell removal
AssigneeKatena Products, Inc.
InventorSteven Bert Siepser
Life of this patent
Estimating the term…
Abstract
In described embodiments, an ophthalmic device provides for cell removal. In one embodiment, the ophthalmic device is introduced into the eye to remove cells on the underside of the anterior capsular membrane and the posterior capsular surface that can grow and block vision in an eye following cataract surgery. The ophthalmic device includes a disk with either a cleaning edge or tacky substance, and is inserted via shaft, the shaft coupled directly to the disk and forming a cannula, or optionally coupled to the disk with a separate cannula there between.
Claims10
An ophthalmic device for cell removal from a patient's eye, the ophthalmic device comprising:
- a disk comprising a cleaning surface and a hub, wherein the hub has a first portion, a second portion, an inner diameter that increases along a first length from the first portion to the second portion, and a base surface having a first elevation and a second elevation, the second elevation being different from the first elevation;
- a shaft having a first end and a second end, the second end of the shaft coupled to the hub by a cannula, and the first end of the shaft configured to be mounted to a handle, wherein the cannula has a third portion, a fourth portion, an increased diameter along a second length from the third portion to the fourth portion, and an end portion, and wherein the second length of the cannula is received within the first length of the hub, the end portion of the cannula positioned at the first elevation of the base surface of the hub, and the second elevation of the base surface of the hub extends into the cannula,
- wherein the disk is configured to be introduced into the patient's eye by the shaft, the ophthalmic device configured to remove cells on the underside of an anterior capsular membrane of the patient's eye and a posterior capsular surface of the patient's eye.
Dependencies are inferred from the claim text.