{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,31]],"date-time":"2025-12-31T06:41:17Z","timestamp":1767163277478,"version":"build-2238731810"},"reference-count":24,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,1,13]],"date-time":"2023-01-13T00:00:00Z","timestamp":1673568000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004826","name":"Natural Science Foundation of Beijing Municipality","doi-asserted-by":"publisher","award":["L202028"],"award-info":[{"award-number":["L202028"]}],"id":[{"id":"10.13039\/501100004826","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004826","name":"Natural Science Foundation of Beijing Municipality","doi-asserted-by":"publisher","award":["L212009"],"award-info":[{"award-number":["L212009"]}],"id":[{"id":"10.13039\/501100004826","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedic Surgery"],"published-print":{"date-parts":[[2023,3]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Traditional total hip arthroplasty (THA) is often performed by visual inspection due to the lack of reliable reference, which results in inappropriate position of prosthesis and poor outcomes. This study attempts to introduce a novel patient\u2010specific instrumentation (PSI) system and assess its effectiveness and accuracy compared with freehand operation and robot system through bone model experiments.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Equally divide 30 sawbone models into the freehand group, PSI group, and robot group. Ten sets of prosthesis parameters were randomly generated as planning, and the three groups underwent simulated THA depending on these parameters. After the placement of the femoral prosthesis, the acetabular anteversion plan was adjusted in the PSI and robot groups so that the combined anteversion was maintained before and after adjustment. After the surgery, the actual prosthesis parameters of all bone models were measured and analyzed statistically.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      No statistically significant difference was found in femoral anteversion error among the three groups (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.951). The errors of acetabular cup anteversion, acetabular cup abduction, and combined anteversion in PSI group were 3.92\u00b0 (2.94\u00b0, 4.62\u00b0), 5.65\u00b0 (4.63\u00b0, 6.70\u00b0), and 3.93\u00b0 (2.94\u00b0, 4.62\u00b0), respectively, which were significantly smaller than those in the freehand group [11.84\u00b0 (9.92\u00b0, 13.87\u00b0), 13.54\u00b0 (9.81\u00b0, 15.21\u00b0), 16.04\u00b0 (8.18\u00b0, 19.25\u00b0), respectively,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05], but significantly larger than those in the robot group [1.34\u00b0 (0.98\u00b0, 1.70\u00b0), 1.80\u00b0 (1\u00b0, 2.02\u00b0), 1.34\u00b0 (0.98\u00b0, 1.70\u00b0), respectively,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05].\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Compared with the traditional freehand operation, the patient\u2010specific instrumentation system is feasible in total hip arthroplasty because it improves the accuracy of prosthesis placement. In addition, the rapid measurement of intraoperative femoral prosthesis parameters can help surgeons optimize preoperative planning.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/os.13665","type":"journal-article","created":{"date-parts":[[2023,1,13]],"date-time":"2023-01-13T06:38:53Z","timestamp":1673591933000},"page":"878-887","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Effectiveness and Accuracy of a Patient\u2010Specific Instrumentation System for Total Hip Arthroplasty"],"prefix":"10.1111","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9195-312X","authenticated-orcid":false,"given":"Teng","family":"Zhang","sequence":"first","affiliation":[{"name":"Beijing Jishuitan Hospital Trauma Orthopedics  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhao","family":"Jia","sequence":"additional","affiliation":[{"name":"Beijing Jishuitan Orthopaedic Robot Engineering Research Center Co., LTD  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wei","family":"Han","sequence":"additional","affiliation":[{"name":"Beijing Jishuitan Hospital Trauma Orthopedics  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Junqiang","family":"Wang","sequence":"additional","affiliation":[{"name":"Beijing Jishuitan Hospital Trauma Orthopedics  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jinqi","family":"Li","sequence":"additional","affiliation":[{"name":"Beijing Jishuitan Orthopaedic Robot Engineering Research Center Co., LTD  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maoqi","family":"Gong","sequence":"additional","affiliation":[{"name":"Beijing Jishuitan Hospital Trauma Orthopedics  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2993-1357","authenticated-orcid":false,"given":"Xieyuan","family":"Jiang","sequence":"additional","affiliation":[{"name":"Beijing Jishuitan Hospital Trauma Orthopedics  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,1,13]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-008-0566-z"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-012-2559-1"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1055\/s-0041-1735282"},{"key":"e_1_2_8_5_1","first-page":"225","article-title":"Preventing leg length discrepancy and instability after Total hip arthroplasty","volume":"65","author":"Sculco P","year":"2016","journal-title":"Instr Course 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modeling study of a patient\u2010specific safe zone for THA: calculation, validation, and key factors based on standing and sitting sagittal pelvic tilt","volume":"480","author":"Tang H","year":"2022","journal-title":"Clin Orthop Relat Res"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jot.2022.03.001"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1080\/24699322.2022.2086485"},{"key":"e_1_2_8_22_1","doi-asserted-by":"publisher","DOI":"10.3390\/mi13040528"},{"key":"e_1_2_8_23_1","first-page":"4245274","article-title":"3D printing combined with osteotomy of the lateral Tibial condyle for the treatment of Tibial plateau fractures involving the lateral posterior condyle","volume":"2022","author":"Xu Z","year":"2022","journal-title":"Comput Math Methods 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