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Modeling Prophylactic Sacral Dressings with Tel Aviv University

The sacrum is the most susceptible anatomical site for developing pressure injuries (PIs), including deep tissue injuries, during supine lying. Prophylactic dressings are generally designed to reduce friction, alleviate internal tissue shear loads, manage the microclimate, and overall cushion the soft tissues subjected to sustained deformations under the sacrum.

In this study, the authors developed a set of MRI-based, 3D finite element models of the buttocks using Synopsys Simpleware software, in order to investigate the biomechanical performance of prophylactic sacral dressing designs when used during supine lying or a 45° Fowler’s position on a standard hospital foam mattress.

Tel Aviv University (Musculoskeletal Biomechanics Lab, Department of Biomedical Engineering, Faculty of Engineering): A. Levy • D. Schwartz • A. Gefen

The study was supported by an unrestricted educational grant from Mölnlycke Health Care (Gothenburg, Sweden)

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Image icon Pressure ulcer simulation370.28 KB


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