What is foreign material

指经严格处理（如深低温、辐照灭活）的同种异体骨或cartilage，来源为捐赠组织，用于鼻部支撑与填充，避免自体取材。

advantages

• Avoid autologous sampling and no additional donor site trauma;

• The amount is sufficient and can be shaped.

Boundaries that need to be recognized

• There is a risk of individualized absorption, rejection or infection (despite treatment);

• 长期稳定性数据因material与处理工艺而异；

• Not all cases are superior to autologous cartilage.

applicable

It is mostly used as a supplementary solution for people who lack autologous materials and are unwilling/unable to remove autologous materials. Whether or not to adopt is subject to doctor's assessment and informed consent.

The application of allogeneic materials is a medical decision. Please fully communicate and follow the doctor's advice.