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KMID : 1145020180350040238
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Journal of Acupuncture Research
2018 Volume.35 No. 4 p.238 ~ p.243
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Quantitative Comparison of Acupuncture Needle Force Generation According to Diameter
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Lee Yeon-Sun
Bong Sung-Min
Kim Eun-Jung
Lee Seung-Deok
Jung Chan-Yung
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Abstract
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Background: Various factors can alter the efficacy of acupuncture treatment, such as the location of points, manipulations, depth of insertion, needle retention time, and needle type. In this study, the effect of needle diameter on the efficacy of acupuncture treatment was quantitatively evaluated.
Methods: Five acupuncture needles of different diameters used in clinical practice were compared. Force on the porcine tissue phantom was measured using a sensor. Lifting-thrusting and twisting-rotating movements were performed using a needle insertion-measurement system. After repeated measurements, force magnitude was calculated and compared. Following this, we correlated needle diameter and force magnitude during lifting-thrusting and twisting-rotating movements.
Results: The force magnitude was significantly altered between needle diameters during lifting-thrusting movements, as shown by a significant positive correlation between needle diameter and force magnitude. In contrast, there was no difference in force magnitude with different needle diameters during twisting-rotating movements.
Conclusions: Needle diameter can significantly affect stimuli and force magnitude dependent upon the type of manipulation. Research into the effect of other needle type characteristics and stimulation method is necessary to fully elucidate the role of acupuncture needle choice in treatment efficacy.
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KEYWORD
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acupuncture, motion, friction, torsional force
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