Background:The traditional manual orthopaedic technology heavily relies on a surgeon's experience,so it certainly increases the instability of the surgery.Therefore,computer assisted orthopaedic surgery(CAOS) is b...Background:The traditional manual orthopaedic technology heavily relies on a surgeon's experience,so it certainly increases the instability of the surgery.Therefore,computer assisted orthopaedic surgery(CAOS) is becoming a hot research topic for its high accuracy and stability.We developed a new CAOS system WATO,which is mainly designed for total knee replacement(TKR).Methods:WATO system provides the interactive software for a surgeon's preoperative planning.Based on its two infrared cameras,infrared markers and infrared probe,WATO system gives a simple surgical positioning procedure of femur and tibia without additional surgery for the placement of fiducial markers.According to the reference alignment axis from positioning procedure,a surgeon can move the robot of WATO system to do accurate bone resection.Safety checking is also considered in WATO system.Results:Extensive experiments were conducted on phantoms and cadaver bones to verify the accuracy and stability of WATO system.Experimental results showed that TKR using WATO system had better performance compared with traditional and navigated TKR.Conclusion:WATO system shows its superiority in TKR,and has a broad application prospect in the future.We will develop its new functions for other orthopaedic surgery such as total hip replacement(THR).Current disadvantages such as bigger skin incision have to be resolved in the future.展开更多
计算机辅助骨科手术（CAOS）是一项飞速发展的技术。欧洲已有众多的医院正在使用导引／导航技术（navigation technologies）。主要应用于导引全膝关节或髋关节置换（navigated total knee／hip replacement，TKR／THR）。除了这些用途...计算机辅助骨科手术（CAOS）是一项飞速发展的技术。欧洲已有众多的医院正在使用导引／导航技术（navigation technologies）。主要应用于导引全膝关节或髋关节置换（navigated total knee／hip replacement，TKR／THR）。除了这些用途之外，CAOS在创伤处理中的应用则很少。原因是急性创伤处理的准备时间很短，在骨折手术冶疗中的复位能力有限，同时传统的手术方法必须要经过一些调整才能整合一套CAOS系统。展开更多
文摘Background:The traditional manual orthopaedic technology heavily relies on a surgeon's experience,so it certainly increases the instability of the surgery.Therefore,computer assisted orthopaedic surgery(CAOS) is becoming a hot research topic for its high accuracy and stability.We developed a new CAOS system WATO,which is mainly designed for total knee replacement(TKR).Methods:WATO system provides the interactive software for a surgeon's preoperative planning.Based on its two infrared cameras,infrared markers and infrared probe,WATO system gives a simple surgical positioning procedure of femur and tibia without additional surgery for the placement of fiducial markers.According to the reference alignment axis from positioning procedure,a surgeon can move the robot of WATO system to do accurate bone resection.Safety checking is also considered in WATO system.Results:Extensive experiments were conducted on phantoms and cadaver bones to verify the accuracy and stability of WATO system.Experimental results showed that TKR using WATO system had better performance compared with traditional and navigated TKR.Conclusion:WATO system shows its superiority in TKR,and has a broad application prospect in the future.We will develop its new functions for other orthopaedic surgery such as total hip replacement(THR).Current disadvantages such as bigger skin incision have to be resolved in the future.
文摘计算机辅助骨科手术（CAOS）是一项飞速发展的技术。欧洲已有众多的医院正在使用导引／导航技术（navigation technologies）。主要应用于导引全膝关节或髋关节置换（navigated total knee／hip replacement，TKR／THR）。除了这些用途之外，CAOS在创伤处理中的应用则很少。原因是急性创伤处理的准备时间很短，在骨折手术冶疗中的复位能力有限，同时传统的手术方法必须要经过一些调整才能整合一套CAOS系统。
