| 1. | Jh30 and jh20 belong to low power physiotherapy . it is a kind of photochemical action in laser irradiating and beam needle . it has the advantage of no pain , no infect , no forbidden acupuncture point and convenience
氦氖激光可对人体产生热效应，电磁效应，光化学效应，具有止痛消炎活血化瘀，疏调经络，照射人体血液，可降低血液粘度，改善微循环等作用。 |
