Patent ID: 6955690
Filing Date: 2005-10-18
Classification: A61F,A61L

Abstract:
1. A mammary prosthesis made of polyacrylamide hydrogel, comprising shell which is made of silicon, and polyacrylamide hydrogel filled in said shell, said polyacrylamide hydrogel being prepared by adding 2.5–7 grams of polyacrylamide dry powder into every 100 ml water, said polyacrylamide hydrogel dry powder comprising a weight percentage of 2.5–8% acylamide, 0.001–3.0% cross-linking agent, 0.001–4.00% catalyst, 0.001–2.00% accelerator, 0.001–2.00% facilitator are added into distilled water to be 100% to be polymerized, then be washed, soaked, centrifugal dehydrated and dried.