Patent ID: 9585649
Date: 2017-03-07
CPC Classifications: A61B

Claim:
1. A retractor comprising: a first arm and a second arm; a first blade assembly coupled to the first arm at a first location, the first blade assembly comprising a first blade, a third blade, and a first adjuster coupled to the first blade and the third blade to rotate the first blade and the third blade about a first axis that intersects the first location and is parallel to a longitudinal axis of the first blade, wherein the first blade and the third blade are configured to rotate in opposite rotational directions simultaneously, a second blade assembly coupled to the second arm at a second location, the second blade assembly comprising a second blade and a second adjuster coupled to the second blade to rotate the second blade about a second axis that intersects the second location and is parallel to a longitudinal axis of the second blade, wherein the second axis is different from the first axis, wherein the first and second blades can be independently rotated with respect to each other; and an actuation mechanism coupled to the first arm and the second arm for separating the first axis and the first blade from the second axis and the second blade along a third axis that extends between the first location and the second location.