tailieunhanh - Advanced Techniques in Dermatologic Surgery - part 4

chất lỏng được loại bỏ, ổn định mô hướng dẫn sử dụng (được thảo luận dưới đây) được thực hiện bởi một trợ lý đền bù lỏng lẻo phát triển của turgor da. Postoperatively, thoát nước triệt để các giải pháp tumescent phải đạt được bằng cách để lại các trang web vết rạch mở và mặc hàng may mặc nén. | 106 Sattler Figure 7 Endoscopic picture after complete liposuction of the lateral lower leg demonstrating of persisting fibrous tissue without adipocytes. fluid is removed manual tissue stabilization discussed below performed by an assistant compensates the developing laxity of the skin turgor. Postoperatively a thorough drainage of tumescent solution must be achieved by leaving the incision sites open and wearing compression garments. Figure 8 Formation of a subcutaneous scar 12 months after liposuction. Photograph taken during abdominoplasty. Liposuction 107 Technical Developments To obtain an atraumatic suction technique technical developments led to an improvement of cannulas and liposuction-assisting devices. Manual Liposuction 24-Hole Cannulas If correct tumescent local anesthesia is performed then suction can be done with thin blunt-tipped cannulas. The connective tissue can further be spared when cannulas with multiple suction holes are used 24-hole cannulas . After building up the suction force a number of holes 10-12 12-16 will be occluded by fibrous tissue. The remaining holes stay effective in lipo-suctioning so the cannula cannot build up a higher suction force due to occlusion of the holes. As the suction force decreases the holes that were previously blocked will reopen. When using two- or three-hole cannulas it easily happens that all holes are occluded simultaneously. In this case the suction force increases rapidly thus reinforcing the occlusion. Liposuction can be continued only after cleaning of the cannula or destruction of the blocking tissue. The developed suction force in a 24-hole cannula is just strong enough to remove the fat cells but too weak to suck in and destroy fibrous tissue or vessels. In this way blockage of the cannula and destruction of the connective tissue is prevented and the treatment is subtler. Ultrasound-Assisted Liposuction UAL To facilitate fat aspiration in difficult areas such as the male breast or back or in .

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