1. Selection of breast prosthesis morphology

1. At present, there are two main forms of breast prosthesis: round and anatomical (water drop type). Water drop prosthesis is a prosthesis made by imitating the shape of natural breast, and its conical design makes the upper pole of breast smoother and the lower pole fuller. The water-drop prosthesis produced by McGonagall Company in the United States is a series of softness, which is similar to that of circular prosthesis. Compared with circular prosthesis, water-drop prosthesis takes half a year or more after operation, and its shape is more realistic and natural than circular prosthesis.

Because the filling material of the water drop prosthesis is high-quality memory super-soft viscose silica gel, which has good shape guarantee, the surface of the breast prosthesis is smoother when standing, unlike the round prosthesis, which is easy to form waves when standing, so it is more advantageous to use the water drop prosthesis in patients with thin chest wall tissue, which will reduce the problem that the breast surface is easy to form waves and the "round bowl" change caused by using the round prosthesis after operation.

For patients with mild or moderate breast ptosis, putting a water drop prosthesis into the posterior breast space can also improve breast ptosis. The specific method will be seen in the paper published by the author in China Journal of Plastic Surgery.

Of course, for patients who are not too thin and have thin chest wall tissue, circular prosthesis is also a good choice, and the price is lower than that of water drop prosthesis.

Because of its unique shape, water drop prosthesis requires higher technical level of operators. The author has summed up a set of effective surgical skills for many years, which makes the water drop prosthesis as easy to control as the circular prosthesis.

2. Selection of breast prosthesis size

1. Clinically, it is often seen that the breast prosthesis is too large, which leads to imbalance, or the breast prosthesis is too small, which leads to too wide cleavage, and at the same time, the breast protrudes excessively to form a "nest-head" appearance, and so on. The reason is mostly due to the improper selection of breast prosthesis size.

2. The width of the chest. The distance from the midline of the patient's sternum to the axillary front is h, and h-4 cm is the diameter of the selected breast prosthesis chassis. Of course, the diameter of the prosthesis should be reduced by about 0.5- 1.0cm according to the original breast tissue thickness of the patient. The prosthesis that meets this condition has obvious cleavage, plump lateral breast, both internal and external repair, round and natural, which effectively avoids the defects that the diameter of prosthesis is insufficient, too many internal implants lead to empty lateral breast or too many external implants lead to wide cleavage.

3. After the diameter of the breast prosthesis is determined, another data to be determined is the protrusion of the prosthesis, which determines the degree to which the breast stands forward. For patients who require naturalness, the protrusion can be slightly smaller; For patients who require fullness, the protrusion can be slightly larger, and of course, the patient's preoperative breast condition should also be considered.