Friction Coefficient for the Quantification of Needle Grasp in the Lifting-Thrusting Method

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We propose a coefficient of friction for quantifying the needle grasp sensation of acupuncture needles applied using the lifting-thrusting method. To measure the force exerted on an acupuncture needle, six tissue specimens of varying hardness were selected and the lifting-thrusting method was applied to the samples using a needle insertion measurement system. The measured values of the force can be expressed as friction coefficients through analysis with a modified Karnopp friction model. Needle grasp was measured using the visual analog scale (VAS). By comparing the coefficients of friction and the VAS values, we determined that the subjective phenomenon of needle grasp can be quantified with Cp (the positive coefficient of the kinetic friction). Objective measurements of changes in sensation can thus be obtained by determining Cp.
Publisher
KOREAN SOC PRECISION ENG
Issue Date
2014-07
Language
English
Article Type
Article
Keywords

CONNECTIVE-TISSUE; ACUPUNCTURE; MODEL

Citation

INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING, v.15, no.7, pp.1429 - 1434

ISSN
2234-7593
DOI
10.1007/s12541-014-0487-6
URI
http://hdl.handle.net/10203/189858
Appears in Collection
ME-Journal Papers(저널논문)
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