2000
DOI: 10.1016/s1350-4533(00)00079-5
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Comparison of computational analysis with clinical measurement of stresses on below-knee residual limb in a prosthetic socket

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Cited by 60 publications
(57 citation statements)
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“…It is important to emphasize that this study is distinguished from all previous literature, since, for the first time, we investigate herein effects on internal soft tissue loads, as opposed to residuumprosthesis interface pressure or shear 41,50 or gait characteristic. 23,41 This is primarily motivated by the increasing understanding, which is supported by strong, new clinical, and basic research evidence, that TTA patients are susceptible to deep tissue injury (DTI)-a potentially lethal type of PU, where soft tissues subjected to sustained large strains/stresses are necrosing under intact skin.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…It is important to emphasize that this study is distinguished from all previous literature, since, for the first time, we investigate herein effects on internal soft tissue loads, as opposed to residuumprosthesis interface pressure or shear 41,50 or gait characteristic. 23,41 This is primarily motivated by the increasing understanding, which is supported by strong, new clinical, and basic research evidence, that TTA patients are susceptible to deep tissue injury (DTI)-a potentially lethal type of PU, where soft tissues subjected to sustained large strains/stresses are necrosing under intact skin.…”
Section: Introductionmentioning
confidence: 99%
“…1,2,13,37 In the TTA residuum anatomy, the muscle flap tissues are the most susceptible ones to DTI, because of the high sustained loads formed in these tissues that are being deformed directly by the edges of the truncated bones. 33,34 It is particularly important to prevent DTI in TTA patients by appropriately shaping the residual limb, because of the nature of DTI, which onsets in the deep muscle flap tissues, and cannot be detected by conventional interface pressure measurements 40,44,50 or skin temperature mapping. 28 The contribution of each biomechanical factor, that is, bone length, tibial end bevelment, osteophyte, stiffness of the muscle flap, and scarring were hence tested in a realistic, three-dimensional (3D) finite element (FE) model of a TTA residuum, as further described.…”
Section: Introductionmentioning
confidence: 99%
“…Thus, in order to be able to compare our results, all materials used in this analysis were defined as elastic, linear, homogeneous and isotropic, according to the definitions used by other aut hors. 6,7,[9][10][11][12]14,16,18,25 Table 2 shows the mechanical properties used for all materials.…”
Section: Materials Propertiesmentioning
confidence: 99%
“…The initial overclosure between socket and stump was addressed and solved in different ways: (1) the most common practices were automatic adjustments of the overclosure, where the software deforms the stump to avoid the overlap between the elements of the stump and the socket (or liner) 7,12,14,16 ; (2) non automatic radial displacement of the nodes in the stump to fit it inside the socket. 6,9,10 Usually, the load was applied over the bone 6,7,9,10,17,19 but Ling et al 11 replaces the load by a bone displacement.…”
Section: Introductionmentioning
confidence: 99%
“…13,[26][27][28] While for exoprostheses, the studies have been focused on establishing the stress-strain state in the socket-stump system, mainly for transtibial amputees, [28][29][30][31][32][33][34][35][36][37][38][39] however, there are no references related to stress shielding as a consequence of exoprostheses use.…”
mentioning
confidence: 99%