Polyurethane micro-carrier as well as preparation method and application thereof

The invention discloses a polyurethane microsphere of which the particle size is 150 to 270mu m. The invention also discloses a preparation method and application of the polyurethane microsphere. Thepolyurethane microsphere prepared by the preparation method disclosed by the invention can be used as a micro-carrier, so that high-yield cells can be obtained; meanwhile, the polyurethane microspherehas the advantages of good biocompatibility, capabilities of being injected and being used in vivo repair and better application prospects.