ES2611364A1 - Template for the treatment and prevention of diabetic foot ulcers (Machine-translation by Google Translate, not legally binding) - Google Patents

Template for the treatment and prevention of diabetic foot ulcers (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES2611364A1
ES2611364A1 ES201531581A ES201531581A ES2611364A1 ES 2611364 A1 ES2611364 A1 ES 2611364A1 ES 201531581 A ES201531581 A ES 201531581A ES 201531581 A ES201531581 A ES 201531581A ES 2611364 A1 ES2611364 A1 ES 2611364A1
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Prior art keywords
different
template
elements
porosity
diabetic foot
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Granted
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ES201531581A
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Spanish (es)
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ES2611364B1 (en
Inventor
Sergio GÓMEZ GONZÁLEZ
Enrique FERNÁNDEZ AGUADO
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Universitat Politecnica de Catalunya UPC
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Universitat Politecnica de Catalunya UPC
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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/14—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined made of sponge, rubber, or plastic materials

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  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

Template for the treatment of diabetic foot and related pathologies, such as the calcaneal spur, for any type of orthopedic footwear or partial discharge orthosis that includes a support base (1) on which there are different interchangeable shock absorbers (2) in position and printed in 3d, using additive manufacturing technologies, with different filling and porosity patterns (3), manufactured in elastomeric material and with different capacity of damping and deformation depending on the porosity designed, in order to generate different areas of pressure to harmonize loads and avoid ulcerations difficult to cure. (Machine-translation by Google Translate, not legally binding)

Description

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DESCRIPCIONDESCRIPTION

Plantilla para el tratamiento y prevention de las ulceras del pie diabetico.Template for the treatment and prevention of diabetic foot ulcers.

Objeto de la invencion.Object of the invention.

La diabetes es una enfermedad que puede provocar dano a los nervios y a los vasos sangulneos en los pies con el consecuente entumecimiento y perdida de sensibilidad. En estos casos muchos pacientes presentan formation de ampollas o ulceras plantares derivadas de sobrecargas durante el ciclo de marcha que pueden generar heridas diflciles de sanar y que, en algunos casos, llegan a requerir amputation parcial o incluso total de los miembros afectados.Diabetes is a disease that can cause damage to nerves and blood vessels in the feet with the consequent numbness and loss of sensation. In these cases, many patients have blistering or plantar ulcers resulting from overloads during the gait cycle that can cause wounds that are difficult to heal and, in some cases, may require partial or even total amputation of the affected limbs.

La presente invencion se refiere a una plantilla para el tratamiento del pie diabetico (PD) formada por un conjunto de elementos amortiguadores de porosidad interna variable intercambiables en position e impresos en 3D (tecnologla aditiva de fabrication en 3 dimensiones). Dichos elementos pueden imprimirse con distinto patron de relleno, en material elastomerico o similar, y aportan distinta capacidad de amortiguacion y deformation en funcion del grado de porosidad de los mismos. La plantilla permite ser confeccionada y/o personalizada a partir de la distribution espacial de cada uno de los elementos amortiguadores en aquellas zonas de la planta del pie que requieran distinta sobrecarga o presion con el objeto de evitar ulceraciones diflciles de curar.The present invention relates to a template for the treatment of diabetic foot (PD) formed by a set of variable internal porosity damping elements interchangeable in position and printed in 3D (additive manufacturing technology in 3 dimensions). Said elements can be printed with a different filling pattern, in elastomeric or similar material, and provide different capacity for damping and deformation depending on the degree of porosity thereof. The template allows to be made and / or customized from the spatial distribution of each of the damping elements in those areas of the sole of the foot that require different overload or pressure in order to avoid difficult ulcerations to cure.

Segun el procedimiento de la invencion, el diseno de la estructura de relleno y la porosidad de los elementos amortiguadores, asl como su distribucion en las diferentes regiones de la plantilla, se realiza en funcion de los resultados obtenidos en los estudios baropodometricos de marcha del paciente, con el objeto de determinar en que zonas del pie se presentan las sobrecargas. Asl mismo, la distribucion de los elementos amortiguadores se establece en funcion de la posicion de las ulceras y heridas del pie diabetico.According to the method of the invention, the design of the filling structure and the porosity of the damping elements, as well as their distribution in the different regions of the template, is carried out based on the results obtained in the baropodometric studies of the patient's progress. , in order to determine in which areas of the foot the overloads occur. Likewise, the distribution of the damping elements is established based on the position of the ulcers and wounds of the diabetic foot.

La propia invencion permite intercambiar la posicion de los distintos elementos amortiguadores en funcion de la evolution de la enfermedad, teniendo en cuenta la posicion de nuevas llagas o la modificacion de los nuevos puntos de presion.The invention itself allows exchanging the position of the different damping elements according to the evolution of the disease, taking into account the position of new sores or the modification of the new pressure points.

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Campo de aplicacion de la invencion.Field of application of the invention.

Esta invencion es aplicable en campo dedicado a la fabrication de plantillas para calzado, calzado ortopedico u ortesis de descarga parcial en el tratamiento y prevention de las ulceras del pie diabetico y patologlas afines, como el espolon calcaneo, que requieran evitar concentraciones de presion en diferentes zonas del pie.This invention is applicable in the field dedicated to the manufacture of insoles for footwear, orthopedic footwear or partial discharge orthoses in the treatment and prevention of diabetic foot ulcers and related pathologies, such as the heel spur, which require avoiding pressure concentrations in different foot zones

Estado de la tecnica.State of the art.

El estudio baropodometrico de marcha determina los puntos de apoyo y las hipercargas a las que esta sometido el pie diabetico. Ademas, una exploration visual permite conocer la position de las heridas. Los procedimientos actuales permiten disenar y fabricar plantillas y calzados para las ulceras del pie diabetico teniendo en cuenta los estudios realizados en ese momento. El cambio de los puntos de presion, la aparicion de nuevas ulceras o la cicatrization de las ulceras previas requiere un cambio de plantillas para ofrecer un nuevo mapa de soporte o amortiguacion plantar.The baropodometric gait study determines the support points and hyperloads to which the diabetic foot is subjected. In addition, a visual exploration allows to know the position of the wounds. Current procedures allow the design and manufacture of insoles and footwear for diabetic foot ulcers, taking into account the studies carried out at that time. The change of pressure points, the appearance of new ulcers or the healing of previous ulcers requires a change of templates to offer a new support map or plantar cushioning.

El objetivo de la presente invencion es conseguir una plantilla unica para el tratamiento completo del pie diabetico teniendo en cuenta la evolution de la patologla en el tiempo.The objective of the present invention is to obtain a unique template for the complete treatment of the diabetic foot taking into account the evolution of the pathology over time.

La plantilla debe armonizar las cargas en las distintas regiones con el fin de descargar de forma precisa las zonas donde los puntos de presion afectan a las ulceraciones o heridas. Esto se consigue mediante la redistribution o sustitucion de los elementos amortiguadores en la plantilla con el objetivo de ajustar las nuevas cargas a la evolucion temporal de la enfermedad, sin que para ello sea necesario crear una nueva suela. Es decir, dicho ajuste se consigue al intercambiar de posicion o sustituir algunos de los elementos amortiguadores que conforman la totalidad de la plantilla.The template must harmonize the loads in the different regions in order to precisely discharge the areas where pressure points affect ulcerations or wounds. This is achieved by redistribution or replacement of the damping elements in the template with the aim of adjusting the new loads to the temporary evolution of the disease, without creating a new sole for this. That is, said adjustment is achieved by exchanging position or replacing some of the damping elements that make up the entire template.

Description de la invencion.Description of the invention.

La presente invencion se refiere a una plantilla para el tratamiento del pie diabetico y patologlas afines, como el espolon calcaneo, para cualquier tipo de calzado ortopedico u ortesis de descarga parcial. Dicha plantilla esta formada por una base de apoyo elastomerica sobre la que descansan distintos elementos amortiguadores con forma poligonal que se caracterizan por poseer distinto grado de porosidad y, por lo tanto, ofrecer distinto grado deThe present invention relates to a template for the treatment of diabetic foot and related pathologies, such as the heel spur, for any type of orthopedic footwear or partial discharge orthosis. This template is formed by an elastomeric support base on which different polygonal-shaped damping elements rest characterized by having a different degree of porosity and, therefore, offering a different degree of

amortiguacion de la carga. Dichos elementos amortiguadores son intercambiables, es decir,load damping. Said damping elements are interchangeable, that is,

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pueden colocarse en distintas posiciones o regiones en funcion de la evolucion de la enfermedad. Dichos elementos estan fabricados mediante tecnicas aditivas de impresion en 3 dimensiones (3D) con distinto patron de relleno en material elastomerico y con distinta capacidad de deformacion en funcion del grado de porosidad. De esta forma se pueden generar distintas zonas de presion para armonizar cargas y evitar ulceraciones diflciles de curar.They can be placed in different positions or regions depending on the evolution of the disease. These elements are manufactured using additive printing techniques in 3 dimensions (3D) with different filling pattern in elastomeric material and with different deformability depending on the degree of porosity. In this way different pressure zones can be generated to harmonize loads and avoid difficult ulcerations to cure.

Descripcion de las figuras.Description of the figures.

Para complementar la descripcion que se esta realizando y con objeto de facilitar la comprension de las caracterlsticas de la invention, se acompana a la presente memoria descriptiva un juego de dibujos en los que, con caracter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being made and in order to facilitate the understanding of the features of the invention, a set of drawings is attached to the present specification in which, with an illustrative and non-limiting nature, the following has been represented:

- La figura 1 muestra una vista en perspectiva de un ejemplo de realization de una plantilla provista de una base de apoyo (1) sobre la que se disponen los distintos elementos amortiguadores impresos en 3D con distinta porosidad y/o patron de relleno en materiales elastomericos (2). La forma poligonal (por ejemplo, hexagonal) facilita el intercambio de la position de los distintos elementos amortiguadores con el fin de ofrecer un distinto grado de descarga en las distintas zonas de la plantilla.- Figure 1 shows a perspective view of an example of realization of a template provided with a support base (1) on which the different 3D printed damping elements with different porosity and / or filling pattern in elastomeric materials are arranged (2). The polygonal shape (for example, hexagonal) facilitates the exchange of the position of the different damping elements in order to offer a different degree of discharge in the different areas of the template.

- La figura 2 muestra un detalle de algunos de los distintos patrones de impresion 3D empleados para el relleno de los elementos amortiguadores.- Figure 2 shows a detail of some of the different 3D printing patterns used to fill the damping elements.

Realizacion preferida de la invencion.Preferred embodiment of the invention.

Como se puede observar en la figura 1, la plantilla para el pie diabetico comprende de una base de apoyo elastomerica (1) destinada a albergar o sostener los distintos elementos amortiguadores (2) con forma poligonal.As can be seen in figure 1, the template for the diabetic foot comprises an elastomeric support base (1) intended to house or support the different polygonal shaped damping elements (2).

Los elementos amortiguadores poligonales (2) estan fabricados mediante tecnologlas aditivas de impresion 3D con materiales elastomericos. La definition del patron de relleno (3) de la parte interior del mismo, segun patrones semejantes a los indicados en la figura 2, junto con la porosidad o grado de relleno de los elementos (2), permite definir las propiedades elasticas o de amortiguacion de cada elemento (2) y asl prevenir las sobrecargas en las distintas regiones o zonas de la plantilla (1). La intercambiabilidad de los elementos amortiguadores enThe polygonal damping elements (2) are manufactured using additive 3D printing technologies with elastomeric materials. The definition of the filling pattern (3) of the inner part thereof, according to patterns similar to those indicated in Figure 2, together with the porosity or degree of filling of the elements (2), allows to define the elastic or damping properties of each element (2) and thus prevent overloading in the different regions or areas of the template (1). The interchangeability of the damping elements in

las diversas regiones de la plantilla permite redefinir y armonizar las cargas para evitar lasthe different regions of the workforce allow redefining and harmonizing loads to avoid

44

ulceraciones.ulcerations

Una vez descrita suficientemente la naturaleza de la invencion, asl como un ejemplo de realization preferente, se hace constar a los efectos oportunos que los materiales, forma, 5 tamano y disposition de los elementos descritos podran ser modificados, siempre y cuando, dichos cambios no supongan una alteration de las caracterlsticas esenciales de la invencion que se reivindican a continuacion.Once the nature of the invention has been sufficiently described, as well as an example of preferred realization, it is stated to the appropriate effects that the materials, shape, size and disposition of the described elements may be modified, provided that such changes do not suppose an alteration of the essential characteristics of the invention claimed below.

Claims (3)

REIVINDICACIONES 1. Plantilla para calzado formada por una base de apoyo (1) caracterizada porque sobre la misma se disponen o acoplan elementos amortiguadores (2) con forma exterior poligonal1. Insole for footwear formed by a support base (1) characterized in that on it there are fitted or coupled damping elements (2) with polygonal exterior shape 5 preferentemente hexagonal que permiten un relleno completo de toda la base de apoyo de la plantilla debido al acoplamiento completo y perfecto que se establece entre dichos elementos y donde el caracter amortiguador de dichos elementos (2) se debe al hecho de estar estos disenados con un patron geometrico (hexagonal, lineal, cuadrado u otros) de relleno interno (3) que permite que cada elemento (2) pueda ser impreso en 3D con distinto 10 grado de porosidad y en consecuencia pueda aportar en servicio niveles variables de descarga o amortiguacion en el lugar concreto de colocacion de dicho elemento (2) con dicho patron de relleno (3) dentro de la plantilla o base de apoyo (1).5 preferably hexagonal that allow a complete filling of the entire support base of the template due to the complete and perfect coupling that is established between said elements and where the damping character of said elements (2) is due to the fact that they are designed with a geometric pattern (hexagonal, linear, square or other) of internal filling (3) that allows each element (2) to be printed in 3D with a different degree of porosity and consequently can provide variable levels of discharge or damping in service. the specific place of placement of said element (2) with said filling pattern (3) within the template or support base (1). 2. Plantilla para calzado, segun la reivindicacion 1, caracterizada porque dichos elementos 15 amortiguadores (2) pueden ser intercambiados de posicion o redistribuidos dentro de la2. Insole for footwear, according to claim 1, characterized in that said damping elements (2) can be exchanged position or redistributed within the base de apoyo de la plantilla (1) o sustituidos por otros nuevos elementos amortiguadores (2) con distinto patron de relleno interno (3) y/o grado de porosidad en funcion de las necesidades locales de descarga que mejor se adecuen a la evolucion de la cicatrizacion de las ulceras presentes en el pie diabetico o a aquellas nuevas que puedan producirse 20 con el tiempo en distintos lugares de la planta del pie diabetico.base of support of the template (1) or replaced by other new buffer elements (2) with different internal filling pattern (3) and / or degree of porosity depending on the local discharge needs that best suit the evolution of the healing of the ulcers present in the diabetic foot or those new ones that may occur over time in different places on the sole of the diabetic foot. 3. Plantilla para calzado, segun la reivindicacion 1, caracterizada porque la base de apoyo (1) de la suela y los distintos elementos poligonales con distinto grado de porosidad (2) se obtienen preferentemente mediante tecnicas aditivas de prototipado rapido o de impresion3. Insole for footwear, according to claim 1, characterized in that the base of support (1) of the sole and the different polygonal elements with different degree of porosity (2) are preferably obtained by additive rapid prototyping or printing techniques 25 en 3D y con materiales elastomericos.25 in 3D and with elastomeric materials.
ES201531581A 2015-11-04 2015-11-04 Template for the treatment and prevention of diabetic foot ulcers Active ES2611364B1 (en)

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ES201531581A ES2611364B1 (en) 2015-11-04 2015-11-04 Template for the treatment and prevention of diabetic foot ulcers

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024046995A1 (en) * 2022-08-29 2024-03-07 Kerstin Lauer Shoe insert

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5761834A (en) * 1993-02-16 1998-06-09 Royce Medical Company Footgear with pressure relief zones
WO2006035469A2 (en) * 2004-09-27 2006-04-06 Riccardo Diomedi Decomposable insole
WO2014080217A1 (en) * 2012-11-23 2014-05-30 Kent Community Health Trust Orthosis
CN104647757A (en) * 2015-01-26 2015-05-27 刘轶 Manufacturing method for 3D (three-dimensional) printing shoe pad

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5761834A (en) * 1993-02-16 1998-06-09 Royce Medical Company Footgear with pressure relief zones
WO2006035469A2 (en) * 2004-09-27 2006-04-06 Riccardo Diomedi Decomposable insole
WO2014080217A1 (en) * 2012-11-23 2014-05-30 Kent Community Health Trust Orthosis
CN104647757A (en) * 2015-01-26 2015-05-27 刘轶 Manufacturing method for 3D (three-dimensional) printing shoe pad

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024046995A1 (en) * 2022-08-29 2024-03-07 Kerstin Lauer Shoe insert

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