Black Top 3.8 Percent Sodium Citrate Anticoagulant Blood Tube for ESR 1.28ml 1.6ml 3.2ml

Engineered for precise Erythrocyte Sedimentation Rate analysis this ESR tube utilizes a 0.129mol per L sodium citrate buffer system to ensure stable anticoagulation Specifically designed for the Westergren sedimentation method it maintains a strict 1 to 4 volume ratio between anticoagulant and blood The product range includes dynamic ESR tubes for direct specimen reading or automated instrument application as well as 75mm short tubes for manual specimen transfer offering maximum flexibility for diverse laboratory protocols.

Technical Features and Clinical Application

Precision ESR Formulation

Features a professional 3.8 percent Sodium Citrate concentration with a strictly controlled 1 to 4 mixing proportion This specialized formulation is engineered to provide stable anticoagulation specifically for Erythrocyte Sedimentation Rate testing ensuring accurate and repeatable diagnostic results.

Core Diagnostic Applications

Mainly utilized for comprehensive ESR examinations and auxiliary inflammatory screening procedures It serves as a reliable solution for clinical routine laboratory testing and specialized medical diagnostic centers requiring high precision sedimentation rate analysis and specimen stability.

Premium Material Construction

Available in high quality PET plastic or specialized glass to accommodate diverse laboratory safety protocols and centrifugation requirements The high transparency tube body is optimized for precise sample observation efficient level inspection and secure long term specimen storage.

1. EU CE IVD Compliance Declaration

   Our single-use blood collection tubes comply with the EU In Vitro Diagnostic Medical Devices Regulation (EU 2017/746, IVDR), with a self-declaration of conformity issued under Class A classification. The full product range (Plain tube, EDTA, Sodium Citrate, Heparin, Clot Activator tubes, etc.) meets EN ISO 20417, EN ISO 15223-1 and other harmonized standards, ensuring legal access to the EU market.

2. ISO 9001:2015 Certified Quality Management System

   Our factory has passed ISO 9001:2015 (GB/T 19001-2016) certification for quality management systems. This international standard ensures consistent production quality, standardized processes and continuous improvement, covering the manufacturing of Class II medical devices including single-use vacuum blood collection tubes.

3. ISO 13485:2016 Medical Device QMS Certified

   Our production system complies with ISO 13485:2016 (GB/T 42061-2022), the dedicated quality management standard for medical devices. This certification ensures full control over risk management, traceability and regulatory compliance for our single-use blood collection tubes.