Biomechanical analysis of Magic screw fixation in the treatment of acetabular posterior column fractures
The biomechanical stability of Magic screw in the treatment of acetabular posterior column fractures was analyzed by finite element method. Based on the computed tomography (CT) and magnetic resonance imaging (MRI) data of volunteers, a three-dimensional finite element model of the pelvis was establ...
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| Veröffentlicht in: | Sheng wu yi xue gong cheng xue za zhi 2022-01 (4), p.672 |
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| creator | Zhang, Haowei Xu, Zihuan Liu, Ying Wang, Yongqin Li, Pengfei Cai, Hongmin Ni, Ming |
| description | The biomechanical stability of Magic screw in the treatment of acetabular posterior column fractures was analyzed by finite element method. Based on the computed tomography (CT) and magnetic resonance imaging (MRI) data of volunteers, a three-dimensional finite element model of the pelvis was established and its validity was verified, and then a posterior column fracture model of the acetabulum was generated. Single plate, double plate in the posterior column and Magic screw were used for fixation, and the differences in biomechanical stability of the four fixation models were compared. A pressure of 500 N was applied to the upper part of the sacrum to simulate human gravity. The maximum stress of the retrograde lag screw, posterior column single plate, double plate and Magic screw fixation model in standing and sitting states were: 114.10, 113.40 MPa; 58.93, 55.72 MPa; 58.76, 47.47 MPa; 24.36, 27.50 MPa; the maximum stress at the fracture end were: 72.71, 70.51 MPa; 48.18, 22.80 MPa; 52.38, 27.14 MPa; 34.05, |
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Based on the computed tomography (CT) and magnetic resonance imaging (MRI) data of volunteers, a three-dimensional finite element model of the pelvis was established and its validity was verified, and then a posterior column fracture model of the acetabulum was generated. Single plate, double plate in the posterior column and Magic screw were used for fixation, and the differences in biomechanical stability of the four fixation models were compared. A pressure of 500 N was applied to the upper part of the sacrum to simulate human gravity. The maximum stress of the retrograde lag screw, posterior column single plate, double plate and Magic screw fixation model in standing and sitting states were: 114.10, 113.40 MPa; 58.93, 55.72 MPa; 58.76, 47.47 MPa; 24.36, 27.50 MPa; the maximum stress at the fracture end were: 72.71, 70.51 MPa; 48.18, 22.80 MPa; 52.38, 27.14 MPa; 34.05,</description><identifier>ISSN: 1001-5515</identifier><language>chi</language><publisher>Chengdu: Sichuan Society for Biomedical Engineering</publisher><subject>Acetabulum ; Biomechanical engineering ; Biomechanics ; Bone implants ; Computed tomography ; Finite element method ; Fixation ; Force distribution ; Fractures ; Magnetic resonance imaging ; Mathematical models ; Pelvis ; Sacrum ; Stability ; Stress ; Stress distribution ; Three dimensional models</subject><ispartof>Sheng wu yi xue gong cheng xue za zhi, 2022-01 (4), p.672</ispartof><rights>Copyright Sichuan Society for Biomedical Engineering 2022</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782</link.rule.ids></links><search><creatorcontrib>Zhang, Haowei</creatorcontrib><creatorcontrib>Xu, Zihuan</creatorcontrib><creatorcontrib>Liu, Ying</creatorcontrib><creatorcontrib>Wang, Yongqin</creatorcontrib><creatorcontrib>Li, Pengfei</creatorcontrib><creatorcontrib>Cai, Hongmin</creatorcontrib><creatorcontrib>Ni, Ming</creatorcontrib><title>Biomechanical analysis of Magic screw fixation in the treatment of acetabular posterior column fractures</title><title>Sheng wu yi xue gong cheng xue za zhi</title><description>The biomechanical stability of Magic screw in the treatment of acetabular posterior column fractures was analyzed by finite element method. Based on the computed tomography (CT) and magnetic resonance imaging (MRI) data of volunteers, a three-dimensional finite element model of the pelvis was established and its validity was verified, and then a posterior column fracture model of the acetabulum was generated. Single plate, double plate in the posterior column and Magic screw were used for fixation, and the differences in biomechanical stability of the four fixation models were compared. A pressure of 500 N was applied to the upper part of the sacrum to simulate human gravity. The maximum stress of the retrograde lag screw, posterior column single plate, double plate and Magic screw fixation model in standing and sitting states were: 114.10, 113.40 MPa; 58.93, 55.72 MPa; 58.76, 47.47 MPa; 24.36, 27.50 MPa; the maximum stress at the fracture end were: 72.71, 70.51 MPa; 48.18, 22.80 MPa; 52.38, 27.14 MPa; 34.05,</description><subject>Acetabulum</subject><subject>Biomechanical engineering</subject><subject>Biomechanics</subject><subject>Bone implants</subject><subject>Computed tomography</subject><subject>Finite element method</subject><subject>Fixation</subject><subject>Force distribution</subject><subject>Fractures</subject><subject>Magnetic resonance imaging</subject><subject>Mathematical models</subject><subject>Pelvis</subject><subject>Sacrum</subject><subject>Stability</subject><subject>Stress</subject><subject>Stress distribution</subject><subject>Three dimensional models</subject><issn>1001-5515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqNjcFqwkAQQPdgoaH1HwZ6DmSNqfaqtHjprfcwWSbNyGbXzsxi-_cq-AE9PR48eAtX-abxddf57tEtVXm4qm_WbfNWuWnHeaYwYeKAETBh_FNWyCN84jcH0CB0hpF_0Tgn4AQ2EZgQ2kzJbiEGMhxKRIFTViPhLBByLHOCUTBYEdJn9zBiVFre-eRePt6_9of6JPmnkFp_zEWue-1XG__atqvtdt3-r7oA1cBI3Q</recordid><startdate>20220101</startdate><enddate>20220101</enddate><creator>Zhang, Haowei</creator><creator>Xu, Zihuan</creator><creator>Liu, Ying</creator><creator>Wang, Yongqin</creator><creator>Li, Pengfei</creator><creator>Cai, Hongmin</creator><creator>Ni, Ming</creator><general>Sichuan Society for Biomedical Engineering</general><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20220101</creationdate><title>Biomechanical analysis of Magic screw fixation in the treatment of acetabular posterior column fractures</title><author>Zhang, Haowei ; Xu, Zihuan ; Liu, Ying ; Wang, Yongqin ; Li, Pengfei ; Cai, Hongmin ; Ni, Ming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_27163328843</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>chi</language><creationdate>2022</creationdate><topic>Acetabulum</topic><topic>Biomechanical engineering</topic><topic>Biomechanics</topic><topic>Bone implants</topic><topic>Computed tomography</topic><topic>Finite element method</topic><topic>Fixation</topic><topic>Force distribution</topic><topic>Fractures</topic><topic>Magnetic resonance imaging</topic><topic>Mathematical models</topic><topic>Pelvis</topic><topic>Sacrum</topic><topic>Stability</topic><topic>Stress</topic><topic>Stress distribution</topic><topic>Three dimensional models</topic><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Haowei</creatorcontrib><creatorcontrib>Xu, Zihuan</creatorcontrib><creatorcontrib>Liu, Ying</creatorcontrib><creatorcontrib>Wang, Yongqin</creatorcontrib><creatorcontrib>Li, Pengfei</creatorcontrib><creatorcontrib>Cai, Hongmin</creatorcontrib><creatorcontrib>Ni, Ming</creatorcontrib><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Sheng wu yi xue gong cheng xue za zhi</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Haowei</au><au>Xu, Zihuan</au><au>Liu, Ying</au><au>Wang, Yongqin</au><au>Li, Pengfei</au><au>Cai, Hongmin</au><au>Ni, Ming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Biomechanical analysis of Magic screw fixation in the treatment of acetabular posterior column fractures</atitle><jtitle>Sheng wu yi xue gong cheng xue za zhi</jtitle><date>2022-01-01</date><risdate>2022</risdate><issue>4</issue><spage>672</spage><pages>672-</pages><issn>1001-5515</issn><abstract>The biomechanical stability of Magic screw in the treatment of acetabular posterior column fractures was analyzed by finite element method. Based on the computed tomography (CT) and magnetic resonance imaging (MRI) data of volunteers, a three-dimensional finite element model of the pelvis was established and its validity was verified, and then a posterior column fracture model of the acetabulum was generated. Single plate, double plate in the posterior column and Magic screw were used for fixation, and the differences in biomechanical stability of the four fixation models were compared. A pressure of 500 N was applied to the upper part of the sacrum to simulate human gravity. The maximum stress of the retrograde lag screw, posterior column single plate, double plate and Magic screw fixation model in standing and sitting states were: 114.10, 113.40 MPa; 58.93, 55.72 MPa; 58.76, 47.47 MPa; 24.36, 27.50 MPa; the maximum stress at the fracture end were: 72.71, 70.51 MPa; 48.18, 22.80 MPa; 52.38, 27.14 MPa; 34.05,</abstract><cop>Chengdu</cop><pub>Sichuan Society for Biomedical Engineering</pub></addata></record> |
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| subjects | Acetabulum Biomechanical engineering Biomechanics Bone implants Computed tomography Finite element method Fixation Force distribution Fractures Magnetic resonance imaging Mathematical models Pelvis Sacrum Stability Stress Stress distribution Three dimensional models |
| title | Biomechanical analysis of Magic screw fixation in the treatment of acetabular posterior column fractures |
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