A tissue retractor including a head member, an anchor member, and a shaft extending between the head member and the anchor member. The shaft has an elastic portion and an adjustment portion. The elastic portion is made of a first material and the adjustment portion is made of a second different material. The adjustment portion has a first locking element and the anchor member has a second locking element. The first locking element and the second locking element are configured to adjust the length of the shaft that extends between the head member and the anchor member. Also, a tissue retractor including a head member having a window and an anchoring segment surrounding the perimeter of the window, an anchor member, and a shaft extending between the head member and the anchor member, the shaft having an elastic portion and an adjustment portion.
