Yang J, Wang X, Zeng Y, Wu W
Biomedical Engineering Center, Beijing University of Technology, Beijing 100022, PR China.
J Med Eng Technol. 2005 Jan-Feb;29(1):14-7. doi: 10.1080/03091900410001685283.
During the past 6 years, we have treated 406 patients with classical silicone augmentation rhinoplasty. The types and incidence of complications after subcutaneous or subfascial implantation were examined. We have proposed that most complications are related to the depth of the implant and the character of the tissues. In order to improve our operation and prove our hypothesis, we performed subperiosteal augmentation rhinoplasty in 22 cases with satisfactory results. In order to determine scientifically which layer the silicone implant should be inserted into, we investigated the biomechanics of human nasal periosteum and fascia, including tensile strength, stress-strain relationship and stress relaxation characters under uniaxial tension. Although having less failure strain, the periosteum has more tensile strength than the fascia. So, in the view of biomechanics, the periosteum is thicker, tougher and stiffer than the fascia, thus is more suitable for covering silicone implants.
在过去6年里，我们对406例患者进行了经典的硅胶隆鼻术。对皮下或筋膜下植入后的并发症类型及发生率进行了检查。我们提出，大多数并发症与植入物的深度及组织特性有关。为了改进我们的手术并验证我们的假设，我们对22例患者进行了骨膜下隆鼻术，结果令人满意。为了科学地确定硅胶植入物应植入哪一层，我们研究了人鼻骨膜和筋膜的生物力学，包括单轴拉伸下的拉伸强度、应力-应变关系和应力松弛特性。尽管骨膜的破坏应变较小，但其拉伸强度比筋膜大。因此，从生物力学角度来看，骨膜比筋膜更厚、更坚韧、更硬，因而更适合覆盖硅胶植入物。
