. Operative surgery. reated likewise. The RemarJcs.—This joint of the great toe is removed best in the manneralready indicated (Fig. 422, a). However, as in the other toes, it can be re-moved through a straight incision. The metatarsal bone of the great toecan be removed through an incision extending its entire length, connectedat each end with short vertical incisions (Fig. 422, &), or through a flap ofsimilar length as the preceding incision, turned up from below so as to se-cure good drainage and locate the scar in an unexposed position (Fig. 428, &).Operations on the Tarsal Joints.—When se
. Operative surgery. reated likewise. The RemarJcs.—This joint of the great toe is removed best in the manneralready indicated (Fig. 422, a). However, as in the other toes, it can be re-moved through a straight incision. The metatarsal bone of the great toecan be removed through an incision extending its entire length, connectedat each end with short vertical incisions (Fig. 422, &), or through a flap ofsimilar length as the preceding incision, turned up from below so as to se-cure good drainage and locate the scar in an unexposed position (Fig. 428, &).Operations on the Tarsal Joints.—When separate tarsal joints become in-volved by disease or the effects of traumatic violence they can be removed bymaking an incision over the injured or diseased portions, often following theline of the seat of violence or in the track of sinuses leading to the disease. This treatment is, however, better adapted to those joints having a lim-ited synovial membrane than to those where the membrane extends between. Fig. -Lines of incision for removal of head (a) andentire bone (b). OPERATIONS ON BONES. 409 several contiguous bone surfaces. In the latter case it is often better to re-move the bones entire by aid of the chisel, saw, or gouge. In either instancecurved incisions are preferable, provided they do not divide important ten-dons and vessels (Fig. 423).
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