A surgical instrument comprising: a first member (b1; 1604) engageable with tissue of a substantially posterior portion of an incision (I) relative to a body (B); a second member (b2; 1608) engageable with tissue of a substantially anterior portion of the incision (I) relative to the body (B); a third member (b3; 1606) engageable with tissue of a substantially cephalad portion of the incision (I) relative to the body (B); and a handle including arms independently connected with the members (b1, b2, b3; 1604, 1606, 1608), wherein the members (b1, b2, b3; 1604, 1606, 1608) being disposable in a configuration to space the tissue to define an oblique surgical pathway (P) relative to a bilateral axis (XB) of the body (B), wherein each of the arms is independently movable such that the members (b1, b2, b3; 1604, 1606, 1608) can be independently and selectively movable relative to the other members (b1, b2, b3; 1604, 1606, 1608), wherein each of the arms includes a pin and each of the members (b1, b2, b3) includes a central pivot hole (421, 422, 423; 1602) that receives the pin for removable engagement of the members (b1, b2, b3) with the handle, characterized in that each of the members (b1, b2, b3; 1604, 1606, 1608) extends along a longitudinal axis and includes an axial cavity extending axially along the longitudinal axis and being configured for disposal of a securing pin engageable with bone adjacent the pathway (P) to fix the members (b1, b2, b3; 1604, 1606, 1608) relative to the bone, wherein, when the pin is received in the respective central pivot hole (421, 422, 423; 1602), a hinge axis is defined being parallel to the axial cavity and wherein the members (b1, b2, b3; 1604, 1606, 1608) are rotatable relative to the bone on the respective fixed securing pin engaged with the members (b1, b2, b3; 1604, 1606, 1608) . a first member (b1; 1604) engageable with tissue of a substantially posterior portion of an incision (I) relative to a body (B); a second member (b2; 1608) engageable with tissue of a substantially anterior portion of the incision (I) relative to the body (B); a third member (b3; 1606) engageable with tissue of a substantially cephalad portion of the incision (I) relative to the body (B); and a handle including arms independently connected with the members (b1, b2, b3; 1604, 1606, 1608), wherein the members (b1, b2, b3; 1604, 1606, 1608) being disposable in a configuration to space the tissue to define an oblique surgical pathway (P) relative to a bilateral axis (XB) of the body (B), wherein each of the arms is independently movable such that the members (b1, b2, b3; 1604, 1606, 1608) can be independently and selectively movable relative to the other members (b1, b2, b3; 1604, 1606, 1608), wherein each of the arms includes a pin and each of the members (b1, b2, b3) includes a central pivot hole (421, 422, 423; 1602) that receives the pin for removable engagement of the members (b1, b2, b3) with the handle, characterized in that each of the members (b1, b2, b3; 1604, 1606, 1608) extends along a longitudinal axis and includes an axial cavity extending axially along the longitudinal axis and being configured for disposal of a securing pin engageable with bone adjacent the pathway (P) to fix the members (b1, b2, b3; 1604, 1606, 1608) relative to the bone, wherein, when the pin is received in the respective central pivot hole (421, 422, 423; 1602), a hinge axis is defined being parallel to the axial cavity and wherein the members (b1, b2, b3; 1604, 1606, 1608) are rotatable relative to the bone on the respective fixed securing pin engaged with the members (b1, b2, b3; 1604, 1606, 1608) . <EOS>