In our case,3D printing was used to fabricate a custom-made titanium alloy total talar prosthesis as a mirror image of the contralateral healthy talus for a 16-year-old girl who underwent right talar resection for a r...In our case,3D printing was used to fabricate a custom-made titanium alloy total talar prosthesis as a mirror image of the contralateral healthy talus for a 16-year-old girl who underwent right talar resection for a recurrent giant cell tumour(GCT)of the talus.A porous surface was used over the neck and tail of the talus prosthesis to promote soft tissue attachment and improve the stability of the prosthesis.Pre-drilled medial and lateral holes were prepared for ligament repair and attachment.Eighteen months after the operation,there was no tumour recurrence,and the patient walked without symptoms.The Musculoskeletal Tumour Society score was 22/30,the American Orthopaedic Foot and Ankle Society score was 88/100,and the prosthesis was well positioned on radiographs.The short-and medium-term outcomes indicated that 3D-printed modular talar prostheses could be an effective treatment option.展开更多
Flatfoot is defined as the flattening of the medial arch of the foot,and it is classified into flexible flatfoot and rigid flatfoot based on whether the flattening of the medial arch of the foot can be reset when stan...Flatfoot is defined as the flattening of the medial arch of the foot,and it is classified into flexible flatfoot and rigid flatfoot based on whether the flattening of the medial arch of the foot can be reset when standing on toes.The insole is the most basic and common treatment,which is relatively cheaper and easier to adopt.Three-dimensional(3D)printing,an emerging technology characterized by high machining accuracy and use of various materials,can be utilised in personalised insoles,which have good application prospects.Further research on the clinical effects of 3D-printed insoles is still needed.In this study,64 cases of 3D-printed insoles were clinically observed.The results showed that 3D-printed insoles had statistically positive effects in treating flatfoot(P=0.00017),and with adjustment and adaptation,their comfort and clinical effect can be improved.This study provides an empirical reference for further large-scale clinical control research.展开更多
基金the Class IV Peak Discipline Project of Shanghai Jiao Tong University School of Medicine-“3D Snowball”Project(No.Ggxq03)the Clinical Research Program of 9th People’s Hospital,Shanghai Jiao Tong University School of Medicine(No.JYLJ015)+1 种基金the Clinical Research Plan of SHDC(No.16CR3099B)the National Key Research and Development Program of China(No.2016YFC1102104)。
文摘In our case,3D printing was used to fabricate a custom-made titanium alloy total talar prosthesis as a mirror image of the contralateral healthy talus for a 16-year-old girl who underwent right talar resection for a recurrent giant cell tumour(GCT)of the talus.A porous surface was used over the neck and tail of the talus prosthesis to promote soft tissue attachment and improve the stability of the prosthesis.Pre-drilled medial and lateral holes were prepared for ligament repair and attachment.Eighteen months after the operation,there was no tumour recurrence,and the patient walked without symptoms.The Musculoskeletal Tumour Society score was 22/30,the American Orthopaedic Foot and Ankle Society score was 88/100,and the prosthesis was well positioned on radiographs.The short-and medium-term outcomes indicated that 3D-printed modular talar prostheses could be an effective treatment option.
基金the Class IV Peak Discipline Project of Shanghai Jiao Tong University School of Medicine—“3D Snowball”Project(No.Ggxq03)。
文摘Flatfoot is defined as the flattening of the medial arch of the foot,and it is classified into flexible flatfoot and rigid flatfoot based on whether the flattening of the medial arch of the foot can be reset when standing on toes.The insole is the most basic and common treatment,which is relatively cheaper and easier to adopt.Three-dimensional(3D)printing,an emerging technology characterized by high machining accuracy and use of various materials,can be utilised in personalised insoles,which have good application prospects.Further research on the clinical effects of 3D-printed insoles is still needed.In this study,64 cases of 3D-printed insoles were clinically observed.The results showed that 3D-printed insoles had statistically positive effects in treating flatfoot(P=0.00017),and with adjustment and adaptation,their comfort and clinical effect can be improved.This study provides an empirical reference for further large-scale clinical control research.
