Investigation of treatment for Para-median facial scar by expander skills;

A new kind of skin and soft tissue expander;

The application of multi-spot skin expander to repair alopecia cicatrisata;

Bacteriological analysis of tissue expanders with non-infective complications;

Objective To investigate the application of biomedical fibrin glue in the placement of tissue expanders on the facial and cervical region.

In order to find out the reasons of the infection, we designed the following study to investigate the infection complication influenced by serial filling process and other complications such as hematoma, leakage and extrusion of tissue expander for clinical prophylactic an.