Autologous tissue collecting device and filling device

The utility model provides an autologous tissue collecting device and a filling device. The autologous tissue collecting device comprises a liposuction needle and a filling device, the first switching structure is provided with a conduction cavity; the collecting part comprises a shell, a first filtering part arranged in the shell and a pressure supply structure at least partially inserted into the shell; wherein the liposuction needle is communicated with the shell of the collecting part through the conducting cavity of the first switching structure, and the first filtering part is used for filtering the adipose tissue sucked into the shell according to the pressure formed in the shell by the pressure supply structure. The autologous tissue collecting device not only can extract fat and purify, but also can screen the particle sizes of fat particles according to different filling parts, so that the purity of the fat particles is ensured, the use experience of a user is improved, and particularly, the collect