J. Technology and Education, Vol.29, No.1, pp.37-42 (2022)

研究論文

繰り返し洗濯を実施したムチン塗布介護服と

人工皮膚間における摩擦特性の評価

 

田中 孝国¹*，渡邉 江利子¹，酒井 洋¹，大岡 久子²，桑原 敬司³，那須 裕規⁴

¹小山工業高等専門学校　物質工学科 (〒323-0806 小山市中久喜771)

*tanakatakakuni@oyama-ct.ac.jp

²群馬工業高等専門学校　物質工学科 (〒371-8530 群馬県前橋市鳥羽町 580)

³長岡技術科学大学 生物機能工学専攻 (〒940-2188 新潟県長岡市上富岡町1603-1)

⁴小山工業高等専門学校　機械工学科 (〒323-0806 小山市中久喜771)

 

Evaluation of the friction properties between artificial skin and a mucin cloth with repeated washing

 

Takakuni TANAKA，Eriko WATANABE，Hiroshi SAKAI，

Hisako OOKA，Takashi KUWAHARA and Yuki NASU

National Institute of Technology, Oyama College

(771 Nakakuki, Oyama City, Tochigi Prefecture 323-0806, JAPAN)

National Institute of Technology, Gunma College

(580 Toriba, Maebashi, Gunma 371-8530, JAPAN)

Nagaoka University of Technology, Department of Bioengineering

(1603-1 Kamitomioka, Nagaoka, Niigata 940-2188, JAPAN)

 

(Received April 7, 2022; Accepted May 20, 2022)

 

A pressure ulcer (bedsore) is damage to the skin and underlying tissue, primarily caused by prolonged pressure or friction on the skin. In this study, we focused on mucin (glycoprotein) and tested its effectiveness in reducing friction between skin and bedclothes (with repeated washing), which is believed to be the cause of bedsores. The load (vertical force) applied to the shaft of the surface-measuring machine was set to 200 [g], the reciprocating speed was 3000 [mm/min], and the jig’s moving distance was 20 [mm]. One mL of water or solutions with different concentrations of pig stomach mucin was dropped on the cloth pieces, and the same measurement was performed. As a result, the friction-reducing effect of the mucin suspension was confirmed. Applying a mucin suspension concentration of 300 ~ 400 [g/L] on the cloth was especially effective. It was also confirmed that the coefficient of friction was not affected by the number of times the bedclothes were washed.

Key words: mucin / friction / pressure ulcer / artificial leather