. Text-book of operative surgery . are divided below the condyles,and the posterior part of the capsule is removed, after which the soft parts in thepopliteal Space are then divided from without. The method of making an anterior flap is not so satisfactory as the obliqueincision. Treves prefers two lateral flaps (Stephen Smiths Operation), consisting ofskin and fascia only, and this method is very populär with many surgeons. The skin cicatrix, however, rests below on the encl of the bone, while with ouroblique incision it is entirely on the posterior aspect, even more so than it is after acirc
. Text-book of operative surgery . are divided below the condyles,and the posterior part of the capsule is removed, after which the soft parts in thepopliteal Space are then divided from without. The method of making an anterior flap is not so satisfactory as the obliqueincision. Treves prefers two lateral flaps (Stephen Smiths Operation), consisting ofskin and fascia only, and this method is very populär with many surgeons. The skin cicatrix, however, rests below on the encl of the bone, while with ouroblique incision it is entirely on the posterior aspect, even more so than it is after acircular incision. Miller, with the knee fully extended, makes a circular incision round the limb2|^ inches below the condyles. The soft parts retract so much on the flexor surfacethat it is only necessary to dissect up the flap on the extensor surface. A posteriorscar results. Bier cleclares that disarticulation at the knee gives an exceedingly good stump Outer side. Biceps Popliteal a Popliteal V. Int. popliteal popliteal Inner side. saplienous v. Fig. 229.—Section through the knee-joint at the level of the condyles of the femur. because there is no bony scar formed. When there is plenty of skin it is to bepreferred to all other methods. All methods which result in a scar being left on the under surface of the stumpare not so satisfactory. Naturally a posterior oblique incision may be employed ifthe skin in front is deficient. (i) Amputations througrli the Thig-h These are among the most common amputations and are undertaken for injuries(complicated fractures and crushes) gangrene, and in suppurative and diseasedconditions of the knee-joint. The choice of method largely depends on the level atwhich the amputation is to be performed. In the lower third where the muscles arescanty the coverings for the ends of the epiphysis and juxta^-epiphyseal regionsconsist simply of skin and fascia. The stump, however, is functionally good, pro-vided that the bone i
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