Silicone Tissue Expander is made from high quality medical silicone material, and we produce three types: rectangle-shaped, kidney-shaped and circular-shaped-type. Its composition is made of three parts: expander, catheter and injection pot. The key component of this product is injection pot and it is prepared by special techniques, which can endure hundreds of punctures and will not leak under the inner pressure of 200Kpa.Moreover, it is of high secure and reliable, therefore, it can guarantee the success of operations. The injection pot has acquired national patent.