Bone marrow filter

The utility model relates to a bone marrow filter which is composed of a pressurizer, an air pipe, a liquid inlet pipe, an upper casing, a lower casing, a base plate, a support bracket, a liquid outlet pipe, a filtering omentum, a valve, a safety valve, a sterilizer and a ruler. Because positive pressure filtering is adopted, the filtration velocity is enhanced, and the bone marrow filter has the functions of no blocking, sealing without bacteria, no damage of blood cells, and repeated use. The utility model is suitable for clinical marrow collection and storage and filtering in the course of the operation, and has the advantages of simple structure, reasonable structure, convenient operation and easy maintenance.