Legal analysis: micro-needle thrombus patent is a national patent.
Legal basis: "Chinese People's **** and State Patent Law" Article 2 The inventions referred to in this law refers to inventions, utility models and designs. Invention means a new technical program proposed for a product, method or improvement thereof.
Utility model refers to a new technical program for the shape, structure or combination of products which is suitable for practical use.
Design refers to the whole or part of the product shape, pattern or its combination, as well as the combination of color and shape, pattern, and the combination of aesthetic and suitable for industrial application of the new design.