Study the effect of injected hydrophilic polyacylamide gel(HPAG) in guinea-pigs and compare IT with FH. 2%lidocaine and cefazolin sodium solution 1ml each were added to 20ml of HPAG.

• 观察医用聚丙烯酰胺水凝胶注入体内后的组织学反应，并对英捷尔法勒与国产医用水凝胶进行对比。