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KMID : 1129720180350030149
Korean Journal of Acupuncture
2018 Volume.35 No. 3 p.149 ~ p.158
A Study on the Quantitative Characteristics of Needle Force on the Acupuncture Practical Model
Lee Yeon-Sun

Kim Seon-Hye
Kim Eun-Jung
Lee Seung-Deok
Kim Kyung-Ho
Kim Kap-Sung
Jung Chan-Yung
Abstract
Objectives : In this study, we quantitatively evaluated the needle forces using needle insertion-measurement system and compared the needle sensation of each acupuncture practical model.

Methods : After inserting acupuncture with a sensor to six models, a lifting-thrusting motion was implemented using the needle insertion-measurement system. The needle force was measured repeatedly, and the measurement was analyzed based on the modified Karnopp friction model for a comparison of friction coefficients. After the insertion, practitioners did lifting-thrusting manipulations. They quantified the similarity of needle sensation with VAS (Visual Analogue Scale).

Results : When friction force and coefficients of friction in five different models were compared with a porcine shank model, all five models were significantly different from a porcine shank model, cotton and apple showing the closest frictional values to that of a porcine shank model. In the Cp and Cn values of cotton and in the Cp values of IM injection pad, there was no statistically significant difference. The similarity of the needle sensation between the porcine shank and five models was the highest in the apple, and overlapping papers was the lowest.

Conclusions : This study quantitatively compared the physical forces in the practical model when implementing lifting-thrusting manipulations, using a needle insertion-measurement system. We suggest that a reproducible exercise model that reflects the characteristics of various human tissues, such as viscoelasticity or strength, needs to be further developed. This will contribute to establishing standardized acupuncture practice training.
KEYWORD
acupuncture practical model, quantifying measurement, needle force, needle sensation
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