Computer-aided design of digital plate in the treatment of hip dislocations associated with posterior wall acetabular fracture

doi:10.3969/j.issn.2095-4344.2014.44.022

Abstract

Abstract:

BACKGROUND: Modern imaging technology, computer-aided design and processing, rapid prototyping technology and other digital technology have enabled a new era of orthopedic field. Digitalization, individualization, minimal invasion, precision and intelligence are the potential topics in future orthopedics.
OBJECTIVE: To investigate clinical efficacy of computer-aided design of digital plate in the treatment of hip dislocations associated with posterior wall acetabular fracture.
METHODS: Sixteen patients of posterior wall acetabular fractures associated with hip dislocations were repaired with customized digital plate fixation. According to Thompson-Epstein fracture type: there were 7 cases with type Ⅱ, 5 cases with type Ⅲ, 2 cases with type Ⅳ, and 2 cases with type Ⅴ. Radiographic examination showed the presence of 2-5 mm displacement on the acetabular articular surface, average 3 mm. The time from the injury to hospitalization was 6 hours to 2 weeks, average 1.5 days. After admission, patients underwent femoral condyle bone traction, 12 cases achieved a reduction and three cases of femoral head entrapment were reset during surgery. At 4-10 days after admission, all patients received computer-aided design of digital plate fixation for acetabular fractures.
RESULTS AND CONCLUSION: Postoperative fracture quality was assessed according to Matta standards, 15 cases had anatomical reduction (displacement < 1 mm) and 1 case had poor reduction (displacement 2-3 mm). The findings indicate that, computer-aided design of digital customized plate has achieved individualized and precise outcomes, as well as firm fixation in the treatment of hip dislocations associated with posterior wall acetabular fracture. It avoids intraoperative repeated shaping, effectively restores the integrity of posterior wall, allows early functional exercise, and provides alternative internal fixation for hip dislocations associated with posterior wall acetabular fracture.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

全文链接：

Key words: computer-aided design, acetanular fracture, hip dislocations

CLC Number:

R318

Xu Run-bing, Ding Liang-hua, He Shuang-hua. Computer-aided design of digital plate in the treatment of hip dislocations associated with posterior wall acetabular fracture[J]. Chinese Journal of Tissue Engineering Research, 2014, 18(44): 7172-7177.

Figures/Tables 3

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