Quantification of Negative Pressures Generated by Syringes of Different Calibers Used for Liposuction

Sir:FigureThe procedure of “fat grafting” is composed of a series of discrete steps and principles: choice of donor site, harvesting, processing, preparation of the recipient area, and injection techniques.1,2 Each of these steps has an impact on the degree of success of the intended outcome (i.e., fat engraftment). The process of analyzing and optimizing each of these principles individually is called “process engineering.” For the purpose of...