What is liposuction to lose weight? Liposuction is a cosmetic technique that appeared in 1980s. It uses a special suction device to suck out the excess fat under the skin through negative pressure suction, so as to achieve the purpose of reshaping the body. When liposuction, the incision is selected in the shadow part of the body, such as groin, pubic bone or armpit fold, navel, armpit and so on. The incision is generally about 1~2 cm long, then the suction tube is inserted into the subcutaneous fat layer and the fat is extracted by sawing. The thicker suction head is used to absorb the fat in the abdomen, thighs, buttocks and waist; The thinner suction head is used to suck the fat of calf, neck and breast. The most suitable conditions for this operation are: moderate weight, or slightly overweight, but some parts of the body, such as thighs, buttocks or waist, are too thick, and these excess fats cannot be removed during exercise and dieting. But this operation is not omnipotent and perfect. First of all, it is not suitable for obese people. Because the amount of fat sucked out is limited, only 4~6 kg can be sucked out at most, otherwise it is not safe, so it is of no use to obese people. Secondly, only people who are healthy and disease-free can perform this operation. Third, only if the skin is elastic will it have a good effect. Because the skin is elastic after the fat is sucked away, it can ensure that the skin can wrap a new "curve", otherwise it will be flat and wrinkled like a deflated balloon. Pretend that this operation is better for people under 40. Fourthly, even if the skin condition 100% is good, some small smoothness or wrinkles may be left after operation. Liposuction surgery is usually performed in hospitals under local anesthesia or general anesthesia. The surgeon makes a small incision in the place to lose weight and inserts a cannula to reach the fat layer. There is a straw device at the end of the cannula, which can be used to separate the fat, then suck the fat out with a straw, then sew it up, and cut a small scar when the wound heals. The liposuction site after operation needs to be firmly wrapped with surgical tape, and the length depends on the healing and liposuction amount, about 3-6 months.

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