人工合成的胶原药膜,价格昂贵,不易推广。用猪小肠浆膜制备胶原膜,价格便宜。从小肠壁取下的浆膜,保存在0.5％福尔马林液3天,然后用流水灌洗,轻轻刮去肌纤维成分,把浆膜展开内面向下铺在消毒玻璃板上,经过20～30分钟,使在室温下干燥后取下,经煮沸或高压灭菌备用。用1只猪能获得长10m～12m、宽5cm～7cm、厚3μ～5μ的胶原 Synthetic collagen membrane, expensive, not easy to promote. Preparation of collagen membrane with pig intestine serosal, cheap. Serum removed from the wall of the intestine, stored in 0.5% formalin for 3 days, and then lavage with water, gently scrape the muscle fiber composition, the serosa spread inside the disinfectant spread out on the glass plate, after 20 ~ 30 minutes, allowed to dry at room temperature before taking off, boiled or autoclaved spare. With a single pig, collagen of 10 m to 12 m in length, 5 cm to 7 cm in width and 3 mu to 5 mu in thickness can be obtained