Preparatory and after treatment in operative cases . Fig. 420.—Appliancefor Hip Amputa-tion. (PosteriorView.) Fig. 421.—Ap-pliance FORHip Amputa-tion. (Lat-eral View.) 627 628 ARTIFICIAL LIMBS. Fig. 422. — Appliance for HipAmputation. (Patient Sitting.) the joint, and when the leg ispartly flexed (Fig. 417), it hasbeen carried to a neutral pointwhere the spring neither urgesflexion nor extension, but whenthe knee is farther flexed (), the lever has passed for-ward of the neutral line and thespring forces the ball upward,urging farther flexion, and whenthe flexion is at its limit, the le
Preparatory and after treatment in operative cases . Fig. 420.—Appliancefor Hip Amputa-tion. (PosteriorView.) Fig. 421.—Ap-pliance FORHip Amputa-tion. (Lat-eral View.) 627 628 ARTIFICIAL LIMBS. Fig. 422. — Appliance for HipAmputation. (Patient Sitting.) the joint, and when the leg ispartly flexed (Fig. 417), it hasbeen carried to a neutral pointwhere the spring neither urgesflexion nor extension, but whenthe knee is farther flexed (), the lever has passed for-ward of the neutral line and thespring forces the ball upward,urging farther flexion, and whenthe flexion is at its limit, the legis kept in that position by thespring. Thus, the objection tothe usual spring knee articula-tion is removed, that of the ten-dency of the leg to fly out whenthe wearer is sitting and un-guarded. HIP-JOINT AMPUTATIONS Hip-joint amputations require conditions of ap-paratus quite similar to that just described, exceptthat suspension is more complex. For the purposean appliance such as is shown in Fig. 419 is ser-viceable. The waist belt and suspenders hold thelimb in apposition to the pelvis. Figs. 420, 421,and 422 show the appliance in place. The lattershows the conditions when the pat
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1910
