A degradable tracheal external suspension bracket and its indirect 3D printing method - register copy

A degradable tracheal external suspension bracket and its indirect 3D printing method - invention patent certificate

A 3D printing degradable stent for the correction of vaginal deformity and its manufacturing method - a copy of the register

A 3D printing degradable stent for the correction of vaginal deformity and its manufacturing method - invention patent certificate

A degradable gradient porous mammary stent - register copy

A degradable gradient pore mammary scaffold - invention patent certificate

Three authorized patent portfolios for breast, trachea, and vagina