Basic Parameters of Medical Textile Materials for Removal and Retention of Exudate from Wounds

IF 0.7 Q3 MATERIALS SCIENCE, TEXTILES
M. Riabchykov, L. Nazarchuk, O. Tkachuk
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引用次数: 1

Abstract

The article focuses on predicting the properties of textile materials intended for the treatment of wounds. The main requirements for medical textile materials for liquid transportation were identified. Exudate from wounds and therapeutic fluids from a dressing must move through material with the necessary efficiency. This ensures that unwanted substances are removed from the wound and the necessary moisture is maintained. These requirements can be provided using a mathematical model of the process. Such a model can be substantiated by solving a non-linear differential diffusion equation. For this purpose, the function of changing the moisture content inside a textile material was approximated using a polynomial function that satisfies the boundary conditions. This approximation made it possible to reduce the problem to the solution of an ordinary differential equation with respect to time. The obtained analytical solution of the change in moisture content with respect to time and coordinate includes two diffusion constants. The results of macro-experiments, together with analytical results, made it possible to determine the diffusion coefficient and the nonlinearity coefficient in an explicit form. The results made it possible to predict the moisture content at a given point of textile material at any given time, the total amount of absorbed liquid and the intensity of absorption. The resulting function can recommend the geometric and physical parameters of medical textile materials for the treatment of wounds with a given intensity of exudate sorption.
用于去除和保留伤口渗出物的医用纺织材料的基本参数
这篇文章的重点是预测用于治疗伤口的纺织材料的性能。确定了用于液体运输的医用纺织材料的主要要求。伤口渗出物和敷料中的治疗液必须以必要的效率通过材料。这样可以确保不需要的物质从伤口中去除,并保持必要的水分。这些要求可以使用过程的数学模型来提供。这样的模型可以通过求解非线性微分扩散方程来证实。为此,使用满足边界条件的多项式函数来近似改变纺织材料内部水分含量的函数。这种近似使得将问题简化为关于时间的常微分方程的解成为可能。所获得的水分含量随时间和坐标变化的解析解包括两个扩散常数。宏观实验的结果与分析结果一起,使以明确的形式确定扩散系数和非线性系数成为可能。这些结果使预测纺织材料在任何给定时间给定点的含水量、吸收液体的总量和吸收强度成为可能。所得到的函数可以推荐用于治疗具有给定渗出物吸附强度的伤口的医用织物材料的几何和物理参数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
TEKSTILEC
TEKSTILEC MATERIALS SCIENCE, TEXTILES-
CiteScore
1.30
自引率
14.30%
发文量
22
审稿时长
12 weeks
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