ABSTRACT
Objective To explore the effect of uhrasound-phoresis of Chinese herb in the treatment of frac- ture healing on rats.Methods The animal model of femur fracture was established in 36 rats,who were divided in- to 4 groups after operation.The rats in the ultrasound group were given ultrasound treatment daily.The herbal group was given Chinese herb applied on the fracture site.The experimental group was given uhrasound-phoresis of Chinese herb on the site of fracture.The control group was housed without any treatment.All rats were sacrificed at 30 days and the bony callus were harvested and observed with histological anti immunohistoehemical examination.Results The histological examination showed that the appearance of cartilaginous and bony callus in the experimental group were earlier than those in other groups,Immunohistochemical examination showed that the expression of collagenⅠin the experimental group was significantly higher than that in ultrasound group and herbal group(P