Urethral stent for non-invasive surgery and preparation method thereof
A technology for urethra and surgery, which is applied in the field of urethral stent and its preparation for non-invasive implantation surgery, which can solve the problems of lack of personalized customization, easy movement of urine, and poor fit, and achieve excellent mechanical properties, improve curative effect, and reduce The effect of surgical difficulty
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[0033] Example 1
[0034] The present embodiment provides a urethral stent for non-invasive surgery, including: a main body structure 10 made of polyglyceryl laurate material, and the main body structure 10 is in a state of normal temperature lower than 30° C. figure 1The shown elongated strip with a diameter of 3 mm, the normal temperature state in this embodiment means that the temperature is less than 30°C, specifically in the range of 15°C to less than 30°C. A degradable alloy wire is coiled on the outer surface of the main structure. In this embodiment, the degradable alloy wire is a cylindrical filamentary magnesium alloy wire with a diameter of 0.1 mm. The magnesium alloy wire is located on the outer surface of the main structure. The winding density per unit length is 50 turns / cm.
[0035] Drugs with lubricating and antibacterial effects are coated on the surfaces of the main structure 10 and the degradable alloy wire 6 . In order to facilitate the implantation of th...
Example Embodiment
[0042] Example 2
[0043] The present embodiment provides a urethral stent for non-invasive surgery, including: a main body structure 10 made of polyglyceryl laurate material, and the main body structure 10 is in a state of normal temperature lower than 30° C. figure 1 The shown slender strip with a diameter of 5mm, the normal temperature state in this embodiment means that the temperature is less than 30°C, specifically in the range of 15°C to less than 30°C. A degradable alloy wire is coiled on the outer surface of the main structure. In this embodiment, the degradable alloy wire is a cylindrical filamentary magnesium alloy wire with a diameter of 1 mm. The magnesium alloy wire is in the unit length of the main structure. The winding density on the top is 2 turns / cm. Drugs with lubricating and antibacterial effects are coated on the surfaces of the main structure 10 and the degradable alloy wire 6 . In order to facilitate the implantation of the urethra during the operatio...
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