. New York medical gazette and journal of health. f the os calcis and astragalus, behind,and the os scaphoides and os cuboides, in front. In such case*, myown experience enables me to assert the great superiority of tarso-metatarsal amputation, or Heys operation, over medio-tarsal ampu-tation, or Choparts operation. I have frequently performed bothoperations, and in no instance that has come under my observationhas the result of Choparts operation been as favorable as that ofHeys. J have also, long after the cicatrization of the stumps, seenseveral instances of Choparts operation, as performed
. New York medical gazette and journal of health. f the os calcis and astragalus, behind,and the os scaphoides and os cuboides, in front. In such case*, myown experience enables me to assert the great superiority of tarso-metatarsal amputation, or Heys operation, over medio-tarsal ampu-tation, or Choparts operation. I have frequently performed bothoperations, and in no instance that has come under my observationhas the result of Choparts operation been as favorable as that ofHeys. J have also, long after the cicatrization of the stumps, seenseveral instances of Choparts operation, as performed by other sur-geons, where the limb remained comparatively useless. In one ofthese instances, at the urgent request of the patient, I amputated hisleg through its lower third : in another, the patient is unable to walkon account of the partial dislocation of the astragalus, which preventshim from resting the stump upon the ground. The following draw-ings exhibit the results of the two operations as recently performedby me on the same Choparts operation outer aspect of tho ileya operation—inner a«pect of the left foot right foot. MEDICAL GAZETTE. 195 The result of Choparts operation is as good as generally occurs;still there is a disposition of the heel to be elevated, and the base ofBustentation, upon which the limb of this side rests, is comparativelyshort and narrow, and by no means equal to the extended surfacepresented by the foot of the other side. This patient, with the aid ofboots suitably made, walks with considerable ease ; but he steps withless firmness and readiness with the foot upon which Chopartsoperation was performed than with the other. This can be accountedfor by the shortness of the lever left to the foot after the medio-tarsaloperation. By the removal of the os cuboides, which forms a projec-tion upon the sole of the foot externally, and of the os scaphoides andos cuneiforme internum, which form another projection internally, thefoot also los
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