US 2024/0197529 A1 · GRASPING STRUCTURE FOR OPHTHALMIC SURGERY

Abstract

Particular embodiments disclosed herein provide a surgical instrument for grasping a retinal membrane. An ophthalmic surgical instrument for peeling a retinal membrane includes a handle having an actuator mounted on the handle. An outer tube has a proximal end mounted to the handle. First and second arms extend outwardly from the outer tube and each have pulling surfaces thereon. The pulling surfaces are configured such that when the outer tube is in first position, the pulling surfaces flare outwardly from one another and may both be placed simultaneously in contact with the retinal membrane. The arms may be made of a flexible material to conform to the retinal membrane. When the outer tube is in a second position, the pulling surfaces are facing one another and pressed against one another. The pulling surfaces may include barbs that point toward the outer tube when the pulling surfaces are drawn together.

Claims15

Dependent claims

An ophthalmic surgical instrument for peeling a retinal membrane, comprising:

a handle;
an outer tube having a proximal end mounted to the handle and a distal end;
a first arm at least partly housed within the outer tube and including a first distal portion having a first pulling surface formed thereon;
and
a second arm at least partly housed within the outer tube and including a second distal portion having a second pulling surface;
an actuator mounted to the handle and configured to change relative positions of the outer tube and the first arm and the second arm;
wherein the first pulling surface and second pulling surface are configured such that (a) when the outer tube is in a first position relative to the first arm and the second arm, the first pulling surface and the second pulling surface are configured to flare outwardly from one another and can both be placed simultaneously in contact with the retinal membrane and (b) when the outer tube is in a second position relative to the first arm and the second arm, the first pulling surface and the second pulling surface are facing one another and pressed against one another.

4 more elements

Dependencies are inferred from the claim text.

Grasping structure for ophthalmic surgery

Life of this patent

Grasping structure for ophthalmic surgery

Life of this patent

Abstract

Claims15