Low-frequency electrotherapeutic device
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United States of America Patent
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Jul 28, 1992
Issued Date -
N/A
app pub date -
Mar 14, 1990
filing date -
Aug 27, 1987
priority date (Note) -
Expired
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Abstract
A novel low-frequency electrotherapeutic device wherein a low-frequency voltage having a ratio of positive voltage component to negative voltage component in the range of about 0.1:1-0.5:1 is used. The electrotherapeutic device can be advantageously used to massage human body or to iontophorese medicament thereinto without causing unwanted discomforts such as pain, inflammation and burning which are inevitable in conventional low-frequency electrotherapy.
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