Application of 3D Printing-Assisted Articulating Spacer in Two-Stage Revision Surgery for Periprosthetic Infection after Total Knee Arthroplasty: A Retrospective Observational Study

Figure 4

(a) Periprosthetic infection after TKA, abscess is about to break. (e) Installation of 3D printing-assisted articulating spacer. (b, f) The knee joint is straightened and knee flexion is about 85° after spacer insertion. (c, g) Eight weeks later, the knee flexion is about 90°. (d, h) Flexion and straightening function of the knee joint was good after the second stage revision.

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