US 11,439,537 B2 · Opthalmic cannulated wound-stabilizing blade and method of using same

Abstract

A surgical cannulated blade instrument includes a blade portion having a pointed end, a top surface, and a bottom surface opposite the top surface, an increasing diameter portion having a diameter which increases in a direction away from the pointed end, and a cannula portion having a lumen opening at a location between the pointed end and the increasing diameter portion. An eye surgery method includes incising a cornea of an eye using a blade portion of a surgical cannulated blade instrument to create an opening in the cornea, injecting injectable into an anterior chamber of the eye through the opening by a lumen of the surgical cannulated blade, and stabilizing the eye by engaging an increasing diameter portion of the surgical cannulated blade with the opening.

Claims11

Dependent claims

A surgical cannulated blade instrument, comprising:

a blade portion having a pointed end, a top surface, and a bottom surface opposite the top surface;
an increasing diameter portion having a diameter which increases in a direction away from the pointed end;
and
a cannula portion having a lumen which opens at a location distal of the increasing diameter portion,
wherein a distance between the pointed end and the increasing diameter portion is set such that, when the pointed end is disposed in an interior of a human eye, the increasing diameter portion can engage an opening in a cornea of the human eye, and
wherein a length of the increasing diameter portion is set such that, when the increasing diameter portion engages the opening, the opening increases in diameter from an interior side of the opening to an exterior side of the opening.

3 more elements

Dependencies are inferred from the claim text.

Opthalmic cannulated wound-stabilizing blade and method of using same

Life of this patent

Opthalmic cannulated wound-stabilizing blade and method of using same

Life of this patent

Abstract

Claims11