Patent ID: 9693761
Date: 2017-07-04
CPC Classifications: A61B

Claim:
1. A retractor device, comprising: a frame having an inner ring coupled to an outer ring, the inner ring including a plurality of teeth and pegs, the outer ring including a plurality of mounting posts; a plurality of arm members, each arm member having a mounting portion that pivotally couples to one mounting post of the outer ring of the frame and a blade portion extending from the mounting portion, wherein each arm member is removably attached to the frame; and an actuator that actuates the inner ring such that the inner ring moves relative to the outer ring to thereby pivot the plurality of arm members from a first position to a second position, the actuator including a gear that engages the teeth of the inner ring, and an axis of rotation of the gear being parallel with an axis of rotation of the inner ring, wherein the mounting portion of each arm member includes a hole and an elongated slot respectively defined therethrough, the mounting post is disposed in the hole, the peg is disposed in the elongated slot, the gear is disposed about a shaft of the actuator, and the shaft is coupled to the gear such that rotation of the shaft causes the gear to rotate about the axis of rotation that is parallel with the axis of rotation of the inner ring.