Funding for this research was provided by:
Japanese Society for Surgery of the Hand (NA)
National Mutual Insurance Federation of Agricultural Cooperatives (NA)
Received: 17 July 2019
Accepted: 11 September 2019
First Online: 6 November 2019
Ethics approval and consent to participate
: The protocol for this study was reviewed and approved by the Institutional Review Board of Tokyo Medical University Ibaraki Medical Center (no. 14-21).
: Written consents for publication were obtained from all study participants.
: No benefits in any form have been received or will be received from a commercial party related directly or indirectly to the subject of this article. The image fusion system described in this study has been developed through a collaborative study between Tokyo Medical University Ibaraki Medical Center and LEXI Co., Ltd. One of the authors (SS) is a paid employee at LEXI Co., Ltd. The other authors declare that they have no competing interests.