Degradable and extratracheal outer suspending support and indirect 3D printing method thereof
A hanging bracket and 3D printing technology, applied in brackets, 3D object support structures, additive manufacturing, etc., can solve problems such as harmfulness to the human body, large surface roughness, and insufficient strength, and achieve the effect of good compactness and high mechanical strength.
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[0019] Example 1
[0020] Reference figure 1 , A degradable tracheal external suspension bracket, which is an array of several C-shaped cylindrical ring structures, each C-shaped cylindrical ring structure, that is, a three-quarter cylindrical ring structure, the opening angle of the ring is 90°, and the inner diameter of the C-shaped cylindrical ring It is 10.5mm, the outer diameter D is 12mm, the difference between the inner and outer diameters, that is, the thickness of the ring is 1.5mm, and the total length L of the C-shaped cylindrical ring structure is 16mm. The specific data is determined by the patient's CT data; each C-shaped cylindrical ring structure The width I of the stent is 2mm, and its surface is arc-shaped, so that the stent as a whole presents a convex and concave undulating structure; on the C-shaped cylindrical ring structure, through holes are punched every 90° on the convex structure, which will be narrow during surgery The trachea is sutured with the above...
Example Embodiment
[0027] Example 2
[0028] A degradable tracheal external suspension bracket is an array of several C-shaped cylindrical ring structures. Each C-shaped cylindrical ring structure is a three-quarter cylindrical ring structure. The opening angle of the ring is 90° and the inner diameter of the C-shaped cylindrical ring is 13mm, the outer diameter D is 14mm, the difference between the inner and outer diameters, that is, the thickness of the ring is 1mm, and the total length L of the C-shaped cylindrical ring structure is 12mm. The specific data is determined by the patient's CT data; the width of each C-shaped cylindrical ring structure I It is 2mm, and its surface is curved, making the stent present a convex and concave undulating structure as a whole; on the C-shaped cylindrical ring structure, through holes are punched every 90° in the convex structure, and the narrow trachea and the Degradation of the above-mentioned through holes of the external tracheal suspension stent is sutu...
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