Femoral stress distribution in fully hydroxyapatite-coated cementless versus polished cemented stems with identical geometry: a thermoelastic stress analysis

Ryunosuke Watanabe, Hajime Mishima, Shota Yasunaga, Tomohiro Yoshizawa, Tomofumi Nishino, Yoshihisa Harada · 2025

Read Femoral stress distribution in fully hydroxyapatite-coated cementless versus polished cemented stems with identical geometry: a thermoelastic stress analysis by Ryunosuke Watanabe, Hajime Mishima, Shota Yasunaga, Tomohiro Yoshizawa, Tomofumi Nishino, Yoshihisa Harada (2025) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-12743095.txt.

Description

Ryunosuke Watanabe and co-authors present a 2025 study of stress flow in thigh bones with two hip stem fix styles. How a stem grips sets where load lands, and poor spread can thin the bone over time. The team set coated no-glue stems and polished glued stems of the same shape into twin fake femurs.

Load cycles mimicked one-leg stance while a heat-based stress read mapped the surface. Both stems shifted stress toward the tip after fitting. The no-glue stem kept more squeeze on the upper inner bone, while the glued stem spread stress more evenly across sides.

Catalog record

CREATORRyunosuke Watanabe, Hajime Mishima, Shota Yasunaga, Tomohiro Yoshizawa, Tomofumi Nishino, Yoshihisa Harada
YEAR2025
COLLECTIONPAPERS
FORMATTXT
FILE SIZE26 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC12743095

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