The invention discloses a medical fat collection device with separation and purification functions, and relates to the technical field of fat extraction and collection, the medical fat collection device comprises an absorption gun and a collection
assembly, a connecting
pipe is arranged between the absorption gun and the collection
assembly, the absorption gun and the collection
assembly are connected with a negative pressure pump, and the negative pressure pump is started; by means of the absorption gun,
autologous fat is absorbed through the absorption gun, fat mixed liquid is primarily separated in the absorption gun, fat and most blood are separated, the primarily separated fat is conveyed into the collection assembly through the connection
pipe by the absorption gun, and after the fat is conveyed to the collection assembly, the fat is separated again in the collection assembly. The fat is further purified, residual blood water in the fat is separated, so that the fat separation and extraction effect is achieved, the rejection problem caused by
fat transplantation is avoided by sucking the fat, treating the fat and then
transplanting the fat to other parts, and the quality of
plastic surgery medicine and wound repair
medicine surgery is improved.