Ensure sample quality-25 G optional: Ensure the acquisition of high-quality tissue samples; - 100% coaxial needle core tip to the bottom of the outer cannula: Prevent the introduction of needle passage tissue during needle insertion

Less trauma-25 G optional: Reduce bleeding and tissue damage

Ease of operation
-5 cm optional length: Easy to hold
-Sharp needle tip: Convenient for needle insertion
-Appropriate rigidity: Convenient for the intraoperative changing of the needle passage - The needle core can be withdrawn by one hand intraoperatively
-Identification marked on needle cover: Convenient to identify the opening direction of the needle tip - Transparent below needle cover: Convenient to identify the sample