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To that end, the infusion of a tumescence-inducing solution to the fat-donor area(s) assists in cooling the patient's skin during the ultrasonic lipo-harvesting; likewise, the application of moist towels, a skin protector, and the constant cooling-fluid infiltration of the cannula in an integrated sheath. [2]
A cannula (/ ˈ k æ nj ʊ l ə / ⓘ; Latin meaning 'little reed'; pl.: cannulae or cannulas) [1] is a tube that can be inserted into the body, often for the delivery or removal of fluid or for the gathering of samples.
Liposuction, or simply lipo, is a type of fat-removal procedure used in plastic surgery. [1] Evidence does not support an effect on weight beyond a couple of months and does not appear to affect obesity-related problems. [2] [3] In the United States, liposuction is the most common cosmetic surgery. [4] [5]
Fat removal procedures are used mostly in cosmetic surgery with the intention of removing unwanted adipose tissue.The procedure may be invasive, as with liposuction, [1] or noninvasive using laser therapy, radiofrequency, ultrasound or cold (cryoablation or cryolipolysis) to reduce fat, sometimes in combination with injections.
The most common combination of agents used in tumescent anesthesia is lidocaine (0.05-0.10%) and epinephrine (1 ppm). [3] [4] [5] For lidocaine, total doses of 35 mg/kg [6] and 55 mg/kg [7] have been reported as reasonably safe high-end doses, in the context of liposuction.
In the study Fat Grafting to the Breast Revisited: Safety and Efficacy (2007), the investigators reported that the autologous fat was harvested by liposuction, using a 10-ml syringe attached to a two-hole Coleman harvesting cannula; after centrifugation, the refined breast filler fat was transferred to 3-ml syringes. Blunt infiltration cannulas ...