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Park Sham Device Research Tools

Since the Park Sham Device was first developed in 1999 1, several teams of researchers in UK2, 3, Japan 4, Korea 5 and USA 6 tested its credibility and validity in various settings. Based on these findings, over the past 10 years, it has been frequently used in research projects often funded by government agencies including US National Institute of Health. 7-10 Park and the colleagues, who developed, state that this device is indistinguishable from the same procedure using real needles in acupuncture naïve subjects, and inactive, where the specific needle sensation is taken as a surrogate measure of activity. 2 However, due to the nature of minimal physiological activity required to achieve successful subject blinding in acupuncture trial, they emphatically call for caution in application of sham acupuncture control 11 and interpretation of the findings. 12 For this reason, Park is keen to call this a bona fide version of sham control rather than final version.