Digital personalized medical insole process

Medical insoles are used to correct patient’s foot malpositions or to relieve certain foot areas from pressure. The required insole type depends largely on the presenting clinical picture and the individual’s needs. Accurate fit of medical insoles is critical to wearer acceptance, which is a necessa...

Full description

Bibliographic Details
Main Authors: Völz Diana, Schneider Julia, Wuttke Ulrich
Format: Article
Language:English
Published: De Gruyter 2023-09-01
Series:Current Directions in Biomedical Engineering
Subjects:
Online Access:https://doi.org/10.1515/cdbme-2023-1008
_version_ 1797646353112760320
author Völz Diana
Schneider Julia
Wuttke Ulrich
author_facet Völz Diana
Schneider Julia
Wuttke Ulrich
author_sort Völz Diana
collection DOAJ
description Medical insoles are used to correct patient’s foot malpositions or to relieve certain foot areas from pressure. The required insole type depends largely on the presenting clinical picture and the individual’s needs. Accurate fit of medical insoles is critical to wearer acceptance, which is a necessary precondition where further serious injury is to be prevented. An end-to-end digital process offers the potential to better adapt insoles to the personalized patients’ foot geometry and pressure load. Furthermore, the whole gait-cycle could be included in the digitalization process and the adaption could consider special needs of different gait phases. This hasn’t been done, yet. For this purpose, a digital process chain was developed and prototypically tested in collaboration with an orthopaedist. 3D scans of the foot geometry in various loaded conditions were compiled and the corresponding gait analysis images were mapped. Both results were overlaid in a CAD program to create a model and identify the clinical picture. Adapted to the geometry of the foot, a volumetric model of the medical insole was built, individual stress zones were separated and filled with lattice structures of different parameters. The insole was 3D printed. The results of the present examination show benefits in using the loaded foot scan to model insoles, as malpositions can be checked automatically via standard (digital) tests. While it is possible to model and print medical insoles in one piece with differing strengths, there is limited information about the influence of the designed lattice structure on a specific printing result (i. e. the material behaviour).
first_indexed 2024-03-11T15:00:25Z
format Article
id doaj.art-0849e193e84a4a90b128c97a8abce724
institution Directory Open Access Journal
issn 2364-5504
language English
last_indexed 2024-03-11T15:00:25Z
publishDate 2023-09-01
publisher De Gruyter
record_format Article
series Current Directions in Biomedical Engineering
spelling doaj.art-0849e193e84a4a90b128c97a8abce7242023-10-30T07:58:11ZengDe GruyterCurrent Directions in Biomedical Engineering2364-55042023-09-0191293210.1515/cdbme-2023-1008Digital personalized medical insole processVölz Diana0Schneider Julia1Wuttke Ulrich2Frankfurt University of Applied Sciences, Nibelungenplatz 1, Frankfurt am Main, GermanyFrankfurt University of Applied Sciences, Frankfurt am Main, GermanyFrankfurt University of Applied Sciences, Frankfurt am Main, GermanyMedical insoles are used to correct patient’s foot malpositions or to relieve certain foot areas from pressure. The required insole type depends largely on the presenting clinical picture and the individual’s needs. Accurate fit of medical insoles is critical to wearer acceptance, which is a necessary precondition where further serious injury is to be prevented. An end-to-end digital process offers the potential to better adapt insoles to the personalized patients’ foot geometry and pressure load. Furthermore, the whole gait-cycle could be included in the digitalization process and the adaption could consider special needs of different gait phases. This hasn’t been done, yet. For this purpose, a digital process chain was developed and prototypically tested in collaboration with an orthopaedist. 3D scans of the foot geometry in various loaded conditions were compiled and the corresponding gait analysis images were mapped. Both results were overlaid in a CAD program to create a model and identify the clinical picture. Adapted to the geometry of the foot, a volumetric model of the medical insole was built, individual stress zones were separated and filled with lattice structures of different parameters. The insole was 3D printed. The results of the present examination show benefits in using the loaded foot scan to model insoles, as malpositions can be checked automatically via standard (digital) tests. While it is possible to model and print medical insoles in one piece with differing strengths, there is limited information about the influence of the designed lattice structure on a specific printing result (i. e. the material behaviour).https://doi.org/10.1515/cdbme-2023-1008development of medical plantar insolesdigitization processadditive manufacturing
spellingShingle Völz Diana
Schneider Julia
Wuttke Ulrich
Digital personalized medical insole process
Current Directions in Biomedical Engineering
development of medical plantar insoles
digitization process
additive manufacturing
title Digital personalized medical insole process
title_full Digital personalized medical insole process
title_fullStr Digital personalized medical insole process
title_full_unstemmed Digital personalized medical insole process
title_short Digital personalized medical insole process
title_sort digital personalized medical insole process
topic development of medical plantar insoles
digitization process
additive manufacturing
url https://doi.org/10.1515/cdbme-2023-1008
work_keys_str_mv AT volzdiana digitalpersonalizedmedicalinsoleprocess
AT schneiderjulia digitalpersonalizedmedicalinsoleprocess
AT wuttkeulrich digitalpersonalizedmedicalinsoleprocess