Silicone gel composition for manufacturing breast prosthesis, and preparation method thereof

Abstract

The present invention provides a silicone gel composition for manufacturing breast prosthesis. The silicone gel composition is characterized by comprising, by weight, 68-73% of a dimethylsiloxane gel, 24.5-31.5% of dimethicone, 0.1-0.5% of fumed silica, 0.2-1% of pre-expanded polymer microspheres, 0.1-0.5% of branch chain type vinyl silicone oil, and 0.1-0.5% of a color paste. The present invention further provides a silicone gel composition preparation method. Compared to the silicone gel composition in the prior art, the silicone gel composition of the present invention has characteristics of low specific gravity, small hardness, layering resistance and low production cost, wherein the manufactured breast prosthesis can well simulate tactility of human adipose tissue. The preparation method has characteristics of simple preparation process and easy operation, high flexibility, and wide application range, wherein most of the operation steps are not specifically limited by operation time limit and environment.

Description

technical field [0001] The invention relates to a silicone gel composition and a preparation method thereof, in particular to a silicone gel composition for making lightweight silicone prosthetic milk and a preparation method thereof. Background technique [0002] Prosthetic breasts, also known as artificial breasts, false breasts. It is a substitute for breast cancer patients after resection (a type of prosthesis, which is different from adult products, and is a surgical rehabilitation product). The commonly used material for prosthetic breasts is medical silicone. The commonly used material for prosthetic milk is solid medical silicone rubber. Silicone rubber has good biocompatibility, is non-irritating, non-toxic, non-allergic to human tissues, and has very little rejection of the body; it has good physical and chemical properties and is compatible with body fluids and It can maintain its original elasticity and softness during tissue contact without being degraded, and ...

AI Technical Summary

Problems solved by technology

[0003] However, the prosthetic breasts made of existing silicone gels have poor elasticity and softness, the hand feeling is not close to the fat structure of the human body, and the proportion is relatively large, which increases the burden on the wearers of the prosthetic breasts. High, it is easy to delaminate after standing for a long time at room temperature during use, and the wearing comfort is poor