US 12,727,906 B2 · Endoscopic surgical tool

Abstract

An endoscopic surgical tool including a housing having a proximal end and a distal end, the housing having a central axis and a first aperture forming an opening disposed at the distal end, an insulator disposed within the housing and having a central bore and a second aperture, the insulator configured to extend distally from the first aperture along the central axis, and a knife disposed within the first aperture and including a tip. The knife having a retracted position and an extended position, wherein in the extended position, the knife is extended distally from the first aperture along the central axis and in the retracted position, the knife is retracted proximally towards the proximal end along the central axis. The endoscopic surgical tool including a biasing element coupled to the knife and biasing the knife toward the retracted position when the knife is in the extended position.

Claims20

Dependent claims

An endoscopic surgical tool, comprising:

a housing having a first aperture extending along a longitudinal axis of the housing;
a knife having a pipe, wherein the knife extends through the first aperture and wherein a part of the pipe is configured to protrude from the housing;
a rod disposed inside the pipe, wherein the rod is configured to move along the longitudinal axis of the housing with respect to the pipe;
a wire extending along the longitudinal axis of the housing, wherein the wire has a distal end and a proximal end;
and
a connector coupling the distal end of the wire to the pipe.

3 more elements

Dependencies are inferred from the claim text.

Endoscopic surgical tool

Life of this patent

Endoscopic surgical tool

Life of this patent

Abstract

Claims20