Lipo-injector gun
To emplace the grafts of autologous fat-tissue, doctors J. Newman and J. Levin designed a lipo-injector gun with a gear-driven plunger, which allowed the even injection of autologous fat-tissue to the desired recipient sites. The control afforded by the lipo-injector gun assisted the plastic surgeon in controlling excessive pressure to the fat in the barrel of the syringe, thus avoiding over-filling the recipient site.[102] The later-design lipo-injector gun featured a ratchet-gear operation that afforded the surgeon greater control in accurately emplacing grafts of autologous fat to the recipient site; a trigger action injected 0.1 cm3 of filler.[103] Since 1989, most non-surgical, fat-graft augmentation of the breast features the emplacement of adipocyte fat outside the breast parenchyma — up to 300 ml of fat — in three equal measures (aliquots), is emplaced to the subpectoral space and to the intrapectoral space of the pectoralis major muscle, and the submammary space, to achieve a breast outcome of natural appearance and contour