A surgical access device comprising: (a) an obturator head ; (b) an elongated shaft extending distally from the obturator head along a longitudinal axis, wherein the elongated shaft is dimensioned to fit within a working channel of a cannula ; and (c) an obturator tip assembly , comprising: (i) a reusable portion attached to a distal portion of the elongated shaft, wherein the reusable portion is configured to be sterilized with the elongated shaft, and (ii) a replaceable tip , comprising: (A) a tapered distal tip configured to facilitate insertion of the surgical access device through a body wall of the patient, and (B) a proximal coupling body configured to selectively couple with the reusable portion, wherein the replaceable tip, in its entirety, is movable relative to the reusable portion along a mating path (P1) in order to couple the proximal coupling body with the reusable portion, wherein the mating path extends laterally relative to the longitudinal axis, wherein one of the reusable portion and the proximal coupling body comprises a male coupling portion , wherein the other of the reusable portion and the proximal coupling body comprises a complementary female coupling portion configured to receive the male coupling portion characterised in that the male coupling portion further comprises a snap-fit rib , and the female coupling portion is at least partially defined by a snap-fit surface configured to abut against the snap-fit rib as the proximal coupling body couples with the reusable portion. (a) an obturator head ; (b) an elongated shaft extending distally from the obturator head along a longitudinal axis, wherein the elongated shaft is dimensioned to fit within a working channel of a cannula ; and (c) an obturator tip assembly , comprising: (i) a reusable portion attached to a distal portion of the elongated shaft, wherein the reusable portion is configured to be sterilized with the elongated shaft, and (ii) a replaceable tip , comprising: (A) a tapered distal tip configured to facilitate insertion of the surgical access device through a body wall of the patient, and (B) a proximal coupling body configured to selectively couple with the reusable portion, (i) a reusable portion attached to a distal portion of the elongated shaft, wherein the reusable portion is configured to be sterilized with the elongated shaft, and (ii) a replaceable tip , comprising: (A) a tapered distal tip configured to facilitate insertion of the surgical access device through a body wall of the patient, and (B) a proximal coupling body configured to selectively couple with the reusable portion, (A) a tapered distal tip configured to facilitate insertion of the surgical access device through a body wall of the patient, and (B) a proximal coupling body configured to selectively couple with the reusable portion, wherein the replaceable tip, in its entirety, is movable relative to the reusable portion along a mating path (P1) in order to couple the proximal coupling body with the reusable portion, wherein the mating path extends laterally relative to the longitudinal axis, wherein one of the reusable portion and the proximal coupling body comprises a male coupling portion , wherein the other of the reusable portion and the proximal coupling body comprises a complementary female coupling portion configured to receive the male coupling portion characterised in that the male coupling portion further comprises a snap-fit rib , and the female coupling portion is at least partially defined by a snap-fit surface configured to abut against the snap-fit rib as the proximal coupling body couples with the reusable portion. <EOS>