[The creation of laosun yutie plaster and safety experiment].

OBJECTIVE

To create an externally-applied TCD plaster (Laosun Yutie plaster) for the lumbar muscle strain (LMS).

METHOD: (1) The raw material such as angelica, safflower, frankincense, myrrh, clove and so on were turned into solid TCD plaster by a serial of modern treatment technology-distillation, extraction, condense, dehydration. Meanwhile, the naphtha from the distillation process and borneol were dissolved into ethanol solution and the dilution was thus made; (2) The solid TCD plaster and the dilution from the aboved-mentioned process were put together to form the TCD plaster and the corresponding safety experiments were applied to rabits' skin.

RESULT: The experimental results showed that it is neither of urgent toxicity, stimulary function, nor of allergy-inducing response.

CONCLUSION

The laosun Yutie plaster was a newly externally-applied TCD plaster which could be used safely and handily.