AutoImPlan: An automated system for CT-based THA planning
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The document describes an automated system called AutoImPlan for planning total hip arthroplasty (THA) using CT images. The system segments the pelvis and femur from CT scans and performs automated planning by optimizing for anatomical compatibility and joint function. The planning is based on constraints from experienced surgeons. Results can be accessed remotely via a web-based interface that allows surgeons to preview, evaluate, and select planning solutions before importing them into commercial navigation systems. Evaluation of results found plans were accepted by surgeons with small adjustments needed and plans had similar limb length and range of motion as experienced surgeon plans.
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AutoImPlan: An automated system for CT-based THA planning
- 1. AutoImPlan : An Automated System for CT-based THA Planning - Planning Optimization Based on Anatomical Compatibility and Joint Function - ○ Itaru OTOMARU a ， Masahiko NAKAMOTO b ， Masaki TAKAO c ， Nobuhiko SUGANO c ， Yoshiyuki KAGIYAMA d , Hideki YOSHIKAWA c ， Yukio TADA a and Yoshinobu SATO b a Graduate School of Engineering, Kobe University b Department of Radiology, Graduate School of Medicine, Osaka University c Department of Orthopaedics, Osaka University Graduate School of Medicine d The Center for Advanced Medical Engineering and Infomatics, OsakaUniversity
- 18. Thank you for your attention This research was supported in part by Stryker Japan K. K. and Med-Solution, Inc.
Editor's Notes
- Total planning is consist of two steps.
- We show the expreimental results. ~ The surgeon accepted the automated planning in 31 cases and 14 cases and accepted in small adjustment in 10 cases and 23 cases in the stem planning and cup planning, respectively. Mean leg length discrepancy was 1.8 mm in the automated planning, and 2.5 mm in the surgeon’s plan. Meadn range onf motion was, 41.7 deg. in the automated planning and 47.7 deg. in the surgeon’s plan. LLD and ROM were approximately ~
- We show the expreimental results. ~ The surgeon accepted the automated planning in 31 cases and 14 cases and accepted in small adjustment in 10 cases and 23 cases in the stem planning and cup planning, respectively. Mean leg length discrepancy was 1.8 mm in the automated planning, and 2.5 mm in the surgeon’s plan. Meadn range onf motion was, 41.7 deg. in the automated planning and 47.7 deg. in the surgeon’s plan. LLD and ROM were approximately ~
- We show the expreimental results. ~ The surgeon accepted the automated planning in 31 cases and 14 cases and accepted in small adjustment in 10 cases and 23 cases in the stem planning and cup planning, respectively. Mean leg length discrepancy was 1.8 mm in the automated planning, and 2.5 mm in the surgeon’s plan. Meadn range onf motion was, 41.7 deg. in the automated planning and 47.7 deg. in the surgeon’s plan. LLD and ROM were approximately ~
- We show you the overview of the WEB based preview system
- Web preview system visualize the planning results and show the planning information using web browser. Surgeon can select the satisfied solution.
- In the cup planning, ~
- We show you the planning procedure of each implant. Stem planning is based on the statistical atlas which is constructed from the learning datasets of surgeon’s plan. The statistical atlas represents the average distace map between stem and medullary cavity. Size selection and positioning is performed so that the distance map becomes the same as that of the atlas.
- We show you the overview of the WEB based preview system