Duodenum casing pipe and manufacturing method thereof
A technology of duodenum and cannula, which is applied in the field of medical engineering, can solve the problems of long-term implantation application limitations, no anti-adhesion effect, etc., and is not easy to oxidize or corrode, has good biocompatibility, and simple and easy process The effect of the operation
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Embodiment 1
[0026] Such as figure 1 As shown, the present embodiment is processed through the following steps:
[0027] The first step is to prepare a casing with a micro-nano scale structure, and the casing is made of copper or aluminum. The micro-nano-scale structure is a micro-nano-scale cuboid structure, the bottom surface of the cuboid is a square, and its size is: the length and width are 1 micron to 10 microns, the height of the cuboid is 5 microns to 50 microns, and the distance between each cuboid is It is 1 micron-10 micron. Such as figure 1 As shown in a and b, 1 is the main body of the mold, and 2 is the micro-nano scale structure. in figure 1 Among them, a is the top view of the mold, and b is the side view of the mold.
[0028] In the second step, a polymer film sleeve is chemically vapor deposited on the surface of the mold.
[0029] A polymer film is deposited on the surface of the mold with micro-nano scale structure by chemical vapor deposition. 1 is a polymer fil...
Embodiment 2
[0035] Such as figure 2 Shown, the present embodiment is prepared through the following steps:
[0036] The first step is to prepare a casing with a micro-nano scale structure, and the casing is made of copper or aluminum. The micro-nano scale structure is a micro-nano scale cylinder structure. The radius of the bottom circle is 0.5 micron-5 micron, the height of the cylinder is 5 micron-50 micron, and the interval between each cylinder is 1 micron-10 micron, such as figure 2 As shown in a and b, 1 is the main body of the mold, and 2 is the micro-nano scale structure. in figure 2 A is the top view of the mold, figure 2 Middle b is the side view of the mould.
[0037] In the second step, a polymer film sleeve is chemically vapor deposited on the surface of the mold.
[0038] A polymer film is deposited on the surface of the mold with micro-nano scale structure by chemical vapor deposition. 1 is a polymer film. 2 is a casing mold. figure 2 Among them, c is a side v...
Embodiment 3
[0042] Such as image 3 Shown, the present embodiment is prepared through the following steps:
[0043] The first step is to prepare a casing with a micro-nano scale structure, and the casing is made of copper or aluminum. The micro-nano scale structure is a micro-nano scale triangular prism structure. The base of the triangular prism is an equilateral triangle, the side length is 1 micron-10 micron, the height of the triangular prism is 5 micron-50 micron, and the interval between each triangular prism is 1 micron-10 micron. Such as image 3 As shown in a and b, 1 is the main body of the mold, and 2 is the micro-nano scale structure. in image 3 Among them, a is the top view of the mold, and b is the side view of the mold.
[0044] In the second step, a polymer film sleeve is chemically vapor deposited on the surface of the mold.
[0045] A polymer film is deposited on the surface of the mold with micro-nano scale structure by chemical vapor deposition. . 1 is a polym...
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