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Updated: Feb 6, 2026

Individualized Stem-positioning in Calcar-guided Short-stem Total Hip Arthroplasty
Published on: February 27, 2018
An Open-label Single-arm Trial of a Novel Extramedullary Guide Coordinated with 3D Surgical Assistive Software for
Daihei Kida1, Hiroya Hashimoto, Akiko M Saito
1Department of Orthopedic Surgery and Rheumatology, Nagoya Medical Center, Nagoya 460-0001, Japan.kidad@nnh.hosp.go.jp.
Abstract:
There is no assistive device for extramedullary surgery coordinated with 3D surgical assistive software for the total knee arthroplasty (TKA). We developed a novel extramedullary universal guide coordinated with 3D surgical assistive software and a novel extramedullary patient-specific assistive guide for the placement of femoral components by referring to an area not affected by cartilage or bone spurs, and filed a patent application. In this study, we visualize and reconstruct the total alignment of the lower extremity in TKA using these surgical devices, and validate their precision. A report releasing study results will be submitted in an appropriate journal.
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