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Open Access

Peer-reviewed

Research Article

RETRACTED: A novel primary stability test method for artificial acetabular shells considering vertical load during level walking and shell position

  • Kazuhiro Yoshida ,

    Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Writing – original draft

    * yossie@kitasato-u.ac.jp

    Affiliation Department of Medical Engineering and Technology, Kitasato University, Sagamihara, Kanagawa, Japan

    ⨯
  • Kensuke Fukushima,

    Roles Conceptualization, Investigation, Methodology, Supervision, Writing – review & editing

    Affiliation Department of Orthopaedic Surgery, Kitasato University, Sagamihara, Kanagawa, Japan

    ⨯
  • Rina Sakai ,

    Contributed equally to this work with: Rina Sakai, Katsufumi Uchiyama, Naonobu Takahira, Masanobu Ujihira

    Roles Supervision, Writing – review & editing

    ☯ These authors contributed equally to this work.

    Affiliation Department of Medical Engineering and Technology, Kitasato University, Sagamihara, Kanagawa, Japan

    ⨯
  • Katsufumi Uchiyama ,

    Contributed equally to this work with: Rina Sakai, Katsufumi Uchiyama, Naonobu Takahira, Masanobu Ujihira

    Roles Supervision, Writing – review & editing

    ☯ These authors contributed equally to this work.

    Affiliation Department of Orthopaedic Surgery, Kitasato University, Sagamihara, Kanagawa, Japan

    ⨯
  • Naonobu Takahira ,

    Contributed equally to this work with: Rina Sakai, Katsufumi Uchiyama, Naonobu Takahira, Masanobu Ujihira

    Roles Supervision, Writing – review & editing

    ☯ These authors contributed equally to this work.

    Affiliation Department of Orthopaedic Surgery, Kitasato University, Sagamihara, Kanagawa, Japan

    ⨯
  • Masanobu Ujihira

    Contributed equally to this work with: Rina Sakai, Katsufumi Uchiyama, Naonobu Takahira, Masanobu Ujihira

    Roles Supervision, Writing – review & editing

    ☯ These authors contributed equally to this work.

    Affiliation Department of Medical Engineering and Technology, Kitasato University, Sagamihara, Kanagawa, Japan

    ⨯

Retraction

Following publication of [1], concerns were raised that this article contains a substantial degree of overlap with an article previously published in a Japanese-language journal [2] by the same authors, including contents of the Introduction, Materials and methods, and Discussion sections, Fig 2, Figs 6-10, and quantitative results.

On the basis of PLOS’ editorial assessment, the PLOS One Editors consider the extent of overlap is such that this article [1] constitutes a redundant publication. The corresponding author acknowledged that there was substantial overlap between [1] and [2] and apologized that the related work was not declared at the time of submission.

The PLOS One Editors retract this article [1] because, per our editorial assessment, it does not meet PLOS One’s second publication criterion [3].

All authors agreed with the retraction.

The retracted article [1] was removed from the PLOS One website at the time of retraction, due to the similarities with [2]. The article’s Copyright statement, Data Availability statement, and Peer Review History were also updated at that time, and the removed contents are no longer offered under the Creative Commons Attribution License.

26 May 2026: The PLOS One Editors (2026) Retraction: A novel primary stability test method for artificial acetabular shells considering vertical load during level walking and shell position. PLOS ONE 21(5): e0350164. https://doi.org/10.1371/journal.pone.0350164 View retraction

Citation: Yoshida K, Fukushima K, Sakai R, Uchiyama K, Takahira N, Ujihira M (2024) RETRACTED: A novel primary stability test method for artificial acetabular shells considering vertical load during level walking and shell position. PLoS One 19(2): e0296919. https://doi.org/10.1371/journal.pone.0296919

Editor: Alejandro A. Espinoza Orías, Rush University Medical Center, UNITED STATES

Received: July 28, 2023; Accepted: December 22, 2023; Published: February 29, 2024

Copyright: © . Due to the similarity of this article with a previously published work, the article contents were removed from PLOS One at the time of retraction. Readers are hereby on notice that the removed contents are not offered under the Creative Commons Attribution License; see the accompanying retraction notice for details.

Data Availability: The Data Availability statement was deleted at the time of the article's removal. See the accompanying retraction notice for more information.

Funding: This work was supported by Japan Society for the Promotion of Science (JSPS) KAKENHI [Grant Number JP21K12755]. The funder had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Competing interests: The authors have declared that no competing interests exist.