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| Categories | Vacuum Blood Test Tube |
|---|---|
| Brand Name: | Orsin |
| Model Number: | Gel Clot ActivatoR |
| Certification: | ISO 13485 |
| Place of Origin: | China |
| MOQ: | 100/pcs |
| Price: | Negotiation |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union |
| Supply Ability: | 20million/pcs/moth |
| Delivery Time: | 1-4 weeks |
| Feature: | Superior Serum Yield |
| Tube Size: | Customized pipe size |
| Productivity: | 12000pcs/hour |
| Anticoagulant Forms: | Sodium or lithium salt |
| Closure Type: | Rubber Stopper |
| Tube Stopper: | Rubber |
| Lead Time: | 1-4 weeks |
| Color: | Transparent |
| Tube Cap: | Plastic |
| Tube Label: | Paper |
| Packaging Material: | PET/Glass |
| Manufacturer: | Shanghai Orsin Medical Technology Co.Ltd |
| Closure Material: | Synthetic rubber stopper |
| Characteristic: | Liquid Biopsy |
| Company Info. |
| Shanghai Orsin Medical Technology Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Anticoagulation
Key additive: 3.2%–3.8% Sodium Citrate.
Blood-to-anticoagulant ratio: 4:1 (e.g., fill to "2mL" mark = 1.6mL blood + 0.4mL anticoagulant).
Mechanism: Chelates calcium ions → blocks coagulation cascade → maintains blood liquidity.
Standardized Testing
Specialized dimensions (Ø 2.5mm × 200mm) → Complies with Westergren method (ICSH standard).
| Condition | Clinical Utility |
|---|---|
| Infections | Bacterial TB → ESR ↑↑ >100 mm/h |
| Autoimmune diseases | Active RA → ESR ↑ (combined with CRP) |
| Malignancies | Multiple myeloma → Persistent ESR ↑ (therapy monitor) |
Fill blood to the calibration mark → 2. Invert mix 8 times → 3. Place vertically in Westergren rack → 4. Stand undisturbed at RT for 60 min → 5. Measure plasma interface drop (mm) = ESR value.
| ESR (mm/h) | Clinical Implication |
|---|---|
| <20 (M) / <30 (F) | Normal |
| 20–50 | Mild elevation (e.g., chronic inflammation) |
| >50 | Significant elevation (active infection/tumor) |
Fill volume deviation:
±10% error → ESR deviation up to 30% (Must fill exactly to the mark!).
Time sensitivity:
Test >4h post-collection → RBC morphology alters → Falsely ↓ESR.
| Factor | ESR Effect | Solution |
|---|---|---|
| Anemia (Hct<30%) | Falsely ↑ | Corrected ESR = ESR × [0.73+Hct] |
| Refrigerated sample | Falsely ↓ | Equilibrate to RT for 30 min |
| Underfilled tube | Clot formation | Discard and recollect |
|
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