Determination of the Pressure of Knitted abdominal Bandage of Women Legging Pants Using Laplace Laws
Main Article Content
Abstract
Compression garments are used for medical therapies and sports products such as bandages, socks, workout clothes and so on, with different degrees of compression. The pressure exerted on the body by compression products must be measured and calculated during the design. This paper investigated a methods to determine the required pressure in the design of legging pants with a given abdominal pressure by using knitted CVC fabric (60% Cotton and 40% Polyester) with all stitches plated with 100% Spandex yarn. The pressure was calculated based on Laplace laws and was checked by using the designed FSR402 force sensor. Eight volunteers have participated in the trial. Calculating the volunteer's abdominal pressure in wearing legging pants using Laplace's formula was resulted in a range of 5.0 mmHg to 5.7 mmHg when the fabric extension was 20% and between 7.1 mmHg and 8.0 mmHg with a fabric extension of 35%. In that case, the actual pressure measured by the force sensor FSR402 was from 24.3 mmHg to 27.6 mmHg at 20% fabric extension and from 34 mmHg to 39 mmHg at 35% extension. Research shows that using the Laplace equation requires correction to fit a particular design with different circumferences.
Keywords
Knitted fabric, knitted bandage, Compression garment, Laplace laws, Legging pants
Article Details
References
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[2] M. W. Driller, S. L. Halson. The effects of lower-body compression garments on recovery between exercise bouts in highly-trained cyclists. J. Sci Cycling. 2013.Vol. 1(2), pp 45-50.
[3] Y. Sone, N. Kato, Y. Kojima, N. Takasu, H. Tokura. effects of skin pressure by clothing on digestion and orocecal transit time of food. Journal of Physiological Anthropology and Applied Human Science. 2000. Pp 157-163. https://doi.org/10.2114/jpa.19.157
[4] M. Bottaro, S. Martorelli, J. Vilaça. Neuromuscular compression garments: effects on neuromuscular strength and recovery. Journal of Human Kinetics Special. Vol. 9, Issue 4. 2011, pp 27‐31. https://doi.org/10.2478/v10078-011-0055-4
[5] E. Pazireh, A. A. Gharehaghaji, E. Haghighat. Study on the comfort of knitted elastic fabrics based on compressive deformation behavior. Journal of Engineered Fibers and Fabrics. 2014, Volume 9, Issue 4, pp 83-89. https://doi.org/10.1177/155892501400900410
[6] L. Zhao, X. Li, J. Yu, C. Li, G. Li. Compression sleeves design based on Laplace laws. Journal of Textile Engineering & Fashion Technology. 2017, Volume 2, Issue 2, pp 314-320. https://doi.org/10.15406/jteft.2017.02.00050
[7] N. Gokarneshan. Design of compression/pressure garments for diversified medical applications. Biomed J Sci & Tech Res. 2017, Volume 1, Issue 3. https://doi.org/10.26717/BJSTR.2017.01.000309
[8] Y. Xiong, X. Tao. Compression garments for medical therapy and sports. Polymers 2018, 10, 663. https://doi.org/10.3390/polym10060663
[9] J. Schuren, K. Mohr. The efficacy of Laplace’s equation in calculating bandage pressure in venous leg ulcers. Wounds UK. 2008, Vol 4, No 2, pp 38-46.
[10] Tso-Liang Teng, Kun-Ta Chou. The measurement and analysis of the pressure gernerated by burn garments. Journal of Medical and Biological Engineering. 2006, Volume 26, pp 155-159.
[11] C. D. Huong. Research on released profile of active substance ibuprofen from knitted bandage coated by microcapsule. Journal of Science & Technology Technical University. November 2016, Volume 114, pp. 95-98. ISSN: 2354-108.3.
[12] T. B. Moeller, E. Reif. Pocket atlas of sectional anatomy, Volume 2 - Thorax, Abdomen and Pelvis. 2018.