口腔病学会雑誌
Online ISSN : 1884-5185
Print ISSN : 0300-9149
皮下針電極の試作
岡部 良博鯉渕 秀明藍 稔日比 英晴羽毛田 匡
著者情報
ジャーナル フリー

1991 年 58 巻 3 号 p. 598-602

詳細
抄録

Subcutaneous needle electrodes made of stainless steel were newly devised for ease of handling and perfect insulation. This needle ( φ 0.20 mm) is used for acupuncture. The electrodes had the capability to record the EMG activity easily from a certain muscle. Then, the EMG activities of the masseter muscle were recorded with both these needle electrodes and surface electrodes and the results were compared.
1. Insertion of the electrodes into the subcutaneous tissue was easily performed because of the application of the acupuncture needle and their lightness of 0.2g was effective in fixing the electrodes on the skin without causing any tension.
2. After the insertion of the needle electrodes, the impedance showed below 5 kohm immediately, and the EMG recordings during biting could be simply achieved with great stability.
3. The action potential from the needle electrodes was less than that from the surface ones. The former reacted more sensitively to the change in the distance between the electrodes, compared with the latter.

著者関連情報
© 口腔病学会
前の記事 次の記事
feedback
Top