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Journal Articles
Journal Articles
Journal Articles
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The LLTE design framework. ( a ) Sample constitutive model used to calculat...
Published Online: November 9, 2022
Fig. 1 The LLTE design framework. ( a ) Sample constitutive model used to calculate the LLTE. Known loads ( GRF ) cause a horizontal and vertical displacement of the knee ( x and y ) and angular displacement of the thigh ( θ ). ( b ) Diagram of wide Bèzier curve parameters that specify the shape... More
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Appearance and construction of the prosthetic foot: ( a ) photo of the foot...
Published Online: November 9, 2022
Fig. 2 Appearance and construction of the prosthetic foot: ( a ) photo of the foot with the cosmetic overmold, ( b ) cross section of the foot revealing the elastic keel surrounded by the foam cosmetic shell, and ( c ) detailed view of the rubber sole with stylized foot creases for traction More
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Changes made to the prototype keel to improve cosmesis and enable injection...
Published Online: November 9, 2022
Fig. 3 Changes made to the prototype keel to improve cosmesis and enable injection molding. The ankle of the prototype keel (left panel) was tapered to fit within the volume of a human foot and the width of the keel was reduced to allow the flow of polyurethane foam around the foot. The keel’s thi... More
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Simplified diagram of the composite beam model that calculated the required...
Published Online: November 9, 2022
Fig. 4 Simplified diagram of the composite beam model that calculated the required nylon keel thickness ( t n ) to compensate for changes in stiffness caused by the cosmetic cover More
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Testing the prototype. ( a ) Material testing machine setup to investigate ...
Published Online: November 9, 2022
Fig. 5 Testing the prototype. ( a ) Material testing machine setup to investigate stiffness. A loading platform with a roller applies loads at the toe. ( b ) Photo of a subject walking during field testing. ( c )Material testing set up to detect changes in stiffness after field testing. More
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Clinical test results. All subjects walked faster with the prototype (gray ...
Published Online: November 9, 2022
Fig. 6 Clinical test results. All subjects walked faster with the prototype (gray bar) compared to the Jaipur foot (white bar), for both ( a ) the 6 M walking test and ( b ) the L-test. Error bars indicate the range of measured times over all trials. More
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The recovered feet appear to be undamaged after months of use. ( a ) Photo ...
Published Online: November 9, 2022
Fig. 7 The recovered feet appear to be undamaged after months of use. ( a ) Photo of the seven feet recovered from participants personal identifying participant information has been covered by spoilers. ( b ) CT scan of a randomly selected recovered foot showing no damage to the inner keel. More
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Long-term use did not change prototype stiffness. The gray region shows the...
Published Online: November 9, 2022
Fig. 8 Long-term use did not change prototype stiffness. The gray region shows the range of stiffness profiles within the unused control group, black lines show the profiles of each field tested foot, the dashed line is the profile for the cyclically fatigued foot, and the dotted line shows the pr... More
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Measuring plastic deformation from continual use. The measurements are plot...
Published Online: November 9, 2022
Fig. 9 Measuring plastic deformation from continual use. The measurements are plotted to scale on a profile of the ruggedized foot. Grey bars represent the range of values measured for the unused controls, while black x ’s denote measurements from the used feet. An exploded view shows numerical v... More
Journal Articles
Journal Articles
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Selfcooling electrode: ( a ) assembly drawing, ( b ) single electrode explo...
Published Online: November 8, 2022
Fig. 1 Selfcooling electrode: ( a ) assembly drawing, ( b ) single electrode explosion diagram, and ( c )intestinal tissue model More
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Self-cooling eversion-type RF-energy intestinal anastomosis electrode: ( a ...
Published Online: November 8, 2022
Fig. 6 Self-cooling eversion-type RF-energy intestinal anastomosis electrode: ( a ) insulating shell and insulating grid and ( b ) single electrode More