US Patent 11918195 Decoupling mechanisms for surgical tools

A surgical tool comprising a drive housing having a first end, a spline extending from the first end and having a spline pinion gear mounted to the spline, a drive input that rotatably couples the spline to the first end and provides an input pinion gear; a clutch interposing the spline and input pinion gears and defining an internal gear, and an armature. The armature may be operatively coupled to the clutch and operable to shift the clutch from a first position, where the internal gear simultaneously mates with the spline and input pinion gears such that rotation of the drive input correspondingly rotates the spline, to a second position, where the internal gear is disengaged from the input pinion gear such that the spline is rotatable independent of the drive input.