Application of vacuum bell in the treatment of pectus excavatum

The treatment of pectus excavatum has always given priority to surgical treatment, the vacuum bellis used as aconservative treatment and auxiliary operationin the treatment of pectus excavatum at present. And its role in the treatment of pectus excavatum is gradually accepted by doctors at home and abroad. We also have more and more recognition and understanding about its application. In this paper, we review vacuum bell on the usage, indications and contraindications, side effects, using effects, intraoperative use, optimum age for use, correlation study of negative pressure and mechanics.