Supporting frame capable of being taken out
A support frame and elastic technology, applied in the field of removable support frame, can solve problems such as poor flexibility, loss of support, anastomosis, displacement or slipping
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Embodiment 1
[0074] Embodiment 1: U-shaped monofilament weaving of the present invention can take out the support frame
[0075] Using nickel-titanium shape memory alloy (Nitinol alloy) wires with a recovery temperature of 15°C and a diameter of 0.25mm, weaving the support (1) in the mold, and then performing heat treatment in the mold to make it a mesh support above the recovery temperature, After polishing and cleaning, the bracket (1) of the present invention has been obtained, refer to figure 1 .
[0076] The medical polyurethane film is used as the raw material to manufacture the inner membrane (2) and the outer membrane (3), and the manufactured inner membrane (2) is placed on the inner wall of the stent (1), and the outer membrane (3) is placed on the inner wall of the stent (1). outer wall, and then use a heat sealing machine to heat seal a part of the inner membrane (2) and the outer membrane (3) corresponding to the mesh part of the stent (1) together to form the junction (4) of...
Embodiment 2
[0082] Embodiment 2: The cross grid of the present invention can take out the support frame
[0083] The manufacturing method of this embodiment is basically the same as that of Embodiment 1, and its feature is that the weaving method of the support (1) has adopted the weaving method of cross grid, referring to Figure 22 to Figure 23 and instructions.
Embodiment 3
[0084] Embodiment 3: The removable support frame provided with the connecting ring of the present invention
[0085] The manufacturing method of this embodiment is basically the same as that of Embodiment 1, and its feature is that a connecting ring (6) is added to the stent (1), and the connecting ring (6) is made of medical flexible material, and is arranged on the outer side of the adventitia (3). The suture is fixed on the support body (11) of the bracket (1). The medical flexible material for making the connecting ring (6) is at least selected from: polyester (polyethylene terephthalate fiber), polyethylene, polypropylene, polyurethane, polytetrafluoroethylene, fiber-reinforced medical flexible polymer material, Good biocompatibility, high strength and light weight are required. refer to Figure 6 to Figure 11 and instructions.
[0086] There are two connecting rings (6), the connecting rings (6) have a width of about 3 mm to 15 mm, and are respectively sutured and fix...
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