Biodegradable intravascular stent and production method thereof
An internal stent and biological technology, applied in the direction of the stent, can solve the problems of fracture and slippage of the bending point, low radial support force of the stent in the blood vessel, etc., achieve a small axial shortening rate, solve the problem of brittleness, and structure stable effect
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[0029] like figure 2 As shown, it is a schematic diagram of the biodegradable intravascular stent structure, image 3 As an expanded view, the biodegradable intravascular stent includes an annular mesh structure composed of biodegradable fiber braided wires, and the annular mesh structure is composed of multiple rows of wavy structures, each row of wavy structures It consists of 6 V-shaped structural units, and the wave-shaped structures in two adjacent rows are symmetrically arranged. The middle end point of each V-shaped structural unit (the first V-shaped structural unit 1) is the symmetrical V-shaped structure in the adjacent row. The middle end points of the unit (the second V-shaped structural unit 2 ) are connected once every two non-bonding points 4 to form a bonding point 3 . like Figure 4 As shown, the connection mode of the joint point 3 is a cross connection of braided wires, and at the joint point 3, the braided wires in one row are arranged in the gaps of the...
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