The silicone rubber soft tissue skin expander is a medical device that is surgically implanted under the soft tissue of the skin and taken out within 6 months to obtain the patient's own tissue. This product is made of imported medical-grade silicone rubber raw materials, which has good expansion performance and anti-extrusion strength. The injection valve can withstand multiple punctures and does not leak under the internal cavity pressure of 16Kpa, thus ensuring the product Reliability and safety during use.