23 Jul Multi-layer tissue engineering tracheal stent based on 3D printing and electrostatic spinning technologies
Abstract
The utility model relates to a multi-layer tissue engineering tracheal stent based on the 3D printing and electrostatic spinning technology. The multi-layer tissue engineering tracheal stent based on the 3D printing and electrostatic spinning technology comprises an outer-layer stent body, an inner-layer stent body and reinforcing rings. The outer-layer bracket is of a rectangular grid structure; the inner-layer bracket is of a rhombic grid structure; the inner-layer support pair is arranged in the outer-layer support, the inner-layer grid and the outer-layer grid are staggered, and a gap is formed between the inner-layer grid and the outer-layer grid; an electrospun film loaded with a P substance is placed in the gap; and the reinforcing ring is arranged on the outer-layer bracket. The method has the advantages that the advantages are shown in the specification; a 3D printing technology and an electrostatic spinning technology are combined, various materials are jointly applied, the multi-layer tissue engineering tracheal stent is constructed, preparation of the tissue engineering trachea meeting the physiological structure becomes possible, the survival condition of a host of the tissue engineering trachea after transplantation is expected to be remarkably improved, and the treatment effect of the tissue engineering trachea after transplantation is greatly improved.
Year: 2019
Country: CN
Doc No: 209405012