Locarno Classification for Industrial Designs 24 Medical and laboratory equipment 24-02 Hand-operated instruments and tools for medical and laboratory use 套管针（24-02） Subclass 24-02 套管针 103876 Chinese 套管针 English Trocars Spanish Trócares Number 103876 Category 24-02 Hand-operated instruments and tools for medical and laboratory use Version 洛迦诺分类第十五版（LOC 15，2025-01-01 起施行）；中文取自国家知识产权局《国际外观设计分类表（第15版）》，英文取自 WIPO 官方文本