A laryngeal implant for treating glottic insufficiency includes a displacement member positionable in a larynx such that at least a portion of the displacement member is disposed between thyroid cartilage and a vocal fold of the larynx. The displacement member is at least one of selectively adjustable in volume and selectively adjustable in compressibility when the displacement member is positioned in the larynx to selectively position the vocal fold in a medial displacement position.