CAPILLLARY BLOOD COLLECTION TUBES

Skgmed 75mm glass capillary blood collection tubes are precision-engineered instruments for reliable micro-volume blood sampling. Utilizing natural capillary action, these tubes draw blood automatically from a tiny puncture site—eliminating the need for external suction devices. The uniform inner bore ensures consistent flow rates and accurate sample volumes, making them indispensable in neonatal care, hematology, and point-of-care testing (POCT) environments.

Each tube is manufactured from high-purity medical-grade soda-lime glass, offering exceptional clarity for easy visual filling and minimal hemolysis. Two additive options are available to match your laboratory workflow: the Plain (Blue Tip) series for serum analysis and the Heparinized (Red Tip) series for plasma collection.

CAPILLLARY BLOOD COLLECTION TUBES

75mm Glass Precision Micro-Sampling Tubes

Plain (Blue Tip)  |  Heparinized (Red Tip)

Technical Specifications

Product Details

Model A: 8510011 — Plain Capillary Tubes (Blue Tip)

The 8510011 Plain capillary tube is manufactured from high-purity medical glass with no internal coating or additive. After blood is drawn, it naturally clots within the tube, separating clear serum for biochemical analysis. The blue tip color coding ensures quick visual identification in busy clinical settings.

Key Benefits:

•        Ideal for neonatal screening programs (PKU, TSH, G6PD)

•        Suitable for blood typing and serology tests

•        Clean glass surface minimizes interference with test chemistry

•        No anticoagulant dilution—sample volume remains pure

•        Perfect for educational and training applications

Model B: 8510012 — Heparinized Capillary Tubes (Red Tip)

The 8510012 Heparinized capillary tube features a uniform coating of heparin sodium or lithium on the interior surface. Upon blood contact, the heparin immediately binds to antithrombin III, preventing fibrin formation and maintaining whole blood in a liquid state. After centrifugation, clean plasma is obtained for a wide range of clinical chemistry tests.

Key Benefits:

•        Excellent for Complete Blood Count (CBC) with automated analyzers

•        Reliable for blood gas analysis (pH, pO2, pCO2, lactate)

•        Fast anticoagulation preserves cellular morphology

•        Stat chemistry panels: electrolytes, glucose, cardiac markers

•        Reduced pre-analytical error with color-coded identification

Quick Comparison

Applications & Clinical Use

Neonatal Care & Screening

The 75mm length provides optimal control for healthcare workers performing heel-prick or finger-prick samples on newborns. The precise inner diameter allows for micro-volume collection (typically 20-50 µL), minimizing pain and trauma to the infant while providing sufficient sample for metabolic screening panels.

•        Newborn screening: PKU, Congenital Hypothyroidism (TSH), Galactosemia, G6PD

•        Hb electrophoresis and sickle cell screening

•        Neonatal glucose tolerance testing

Hematology & Chemistry

•        Manual CBC: RBC, WBC, Hb, Platelet counting

•        Hemoglobin estimation and micro-hematocrit

•        Blood gas analysis: pH, pO2, pCO2, Base Excess

•        Electrolyte panels: Na+, K+, Cl-, Ca2+

•        Stat glucose and lactate measurement

•        Cardiac markers: Troponin, CK-MB (heparinized only)

Point-of-Care Testing (POCT)

Capillary tubes remain essential components of portable diagnostic devices and bedside analyzers. Their small sample requirement and rapid anticoagulation make them perfect for emergency departments, intensive care units, and remote monitoring applications.

Education & Research

•        Medical training programs for venipuncture and capillary collection techniques

•        Clinical research studies requiring micro-samples

•        Veterinary medicine for small-animal blood sampling

Instructions for Use

1. Select the appropriate tube based on the test panel: Blue Tip (Plain) for serum tests or Red Tip (Heparinized) for plasma tests.

2. Hold the tube vertically with the open end near the blood drop. Capillary action will draw the blood upward automatically.

3. For Plain tubes, allow the blood to clot completely (typically 15-30 minutes) before inverting or transferring.

4. For Heparinized tubes, gently invert 5-10 times to ensure proper mixing of blood with heparin coating. Do not let the tube run dry.

5. Centrifuge at 10,000-12,000 x g for 3-5 minutes to separate serum or plasma from cells.

6. Transfer the separated sample to the appropriate analyzer or container. Dispose of empty tubes in a sharps container.

Why Partner With Us?

•        ISO 13485 certified manufacturing facility with strict QA protocols

•        Stable supply chain with flexible MOQ and lead time commitments

•        Competitive pricing for bulk orders and long-term contracts

•        Customization options: volumes, packaging, sterilization, private label

•        Fast response and dedicated account management for international buyers