A retractor system includes a retractor arm and a retractor. The retractor arm includes an elongated member and a retractor connector coupled to an end of the elongated member. The retractor includes a neck, a blade extending from a distal end of the neck, and a nipple protruding from a top side of the neck at a position toward a proximal end of the neck. The retractor connector includes a port configured to receive the nipple of the retractor and couple the retractor to the retractor arm via the nipple. The neck includes a handle between the nipple and the blade.