Characteristics of bulk

expanded（聚四氟乙烯 ePTFE）表面有微孔，周围组织可长入其中，固定较牢、边缘过渡自然、手感柔软，是鼻背常用material之一。

advantages

• 与组织结合好，移位风险较低；

• The edges are not visible and the shape is natural;

• 不透光（优于部分silica gel）。

Risks that need to be recognized

• If the microporous structure is contaminated during surgery, the infection treatment will be relatively complicated;

• 与组织长合后取出难度高于硅胶；

• Higher requirements are required for aseptic operation and doctor experience.

applicable

Suitable for those who pursue natural transition and adapt their skin conditions. Whether to select is subject to professional evaluation.

Bulk implantation is a medical behavior, and it is up to the doctor to make a face-to-face diagnosis.