Shanghai Orsin Medical Technology Co., Ltd.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability | 20million/pcs/moth |
| Delivery Time | 1-4 weeks |
| Tube Type | EDTA |
| Application Scenarios | Liquid Biopsy |
| Tube Cap | Plastic |
| Storage Condition | Room Temperature |
| Product Nam | Cell Free DNA |
| Superiority | Cell Protection |
| Key Features | Rapid clotting |
| Additive | Sodium Citrate/Sodium Heparin/EDTA |
| Sterilization Method | Gamma Radiation/Ethylene Oxide |
| Closure Type | Screw Cap/Rubber Stopper |
| Characteristic | Excellent stability |
| Behavior | Strong temperature tolerance |
| Advantages | High recovery yield |
| Logo Printing | Available for big orders (>30000 PCS) |
| Brand Name | Orsin |
| Model Number | Gel Clot ActivatoR |
| Certification | ISO 13485 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union | Supply Ability | 20million/pcs/moth |
| Delivery Time | 1-4 weeks | Tube Type | EDTA |
| Application Scenarios | Liquid Biopsy | Tube Cap | Plastic |
| Storage Condition | Room Temperature | Product Nam | Cell Free DNA |
| Superiority | Cell Protection | Key Features | Rapid clotting |
| Additive | Sodium Citrate/Sodium Heparin/EDTA | Sterilization Method | Gamma Radiation/Ethylene Oxide |
| Closure Type | Screw Cap/Rubber Stopper | Characteristic | Excellent stability |
| Behavior | Strong temperature tolerance | Advantages | High recovery yield |
| Logo Printing | Available for big orders (>30000 PCS) | Brand Name | Orsin |
| Model Number | Gel Clot ActivatoR | Certification | ISO 13485 |
| Place of Origin | China | ||
| High Light | EDTA blood collection tube for liquid biopsy ，vacuum blood test tube with cell protection ，sterile EDTA tube for cell preservation | ||
Precision Anticoagulation Mechanism
Utilizes potassium ethylenediaminetetraacetate (EDTA-K₂ or EDTA-K₃) to inhibit coagulation by chelating calcium ions, preserving blood cell morphology and quantitative integrity.
Strict anticoagulant dosage of 1.5–2.2 mg/mL blood, ensuring optimal anticoagulation without under- or over-treatment.
Premium Materials & Craftsmanship
Tube Material: High-clarity medical-grade PET plastic (lightweight, shatter-resistant) or glass (for large volumes), with silicone-coated interior to prevent cell adhesion and hemolysis.
Sealing System: Butyl rubber stopper offers superior airtightness (>40,000 puncture tolerance), minimizing needle wear.
Vacuum Accuracy: Imported equipment guarantees blood draw volume error ≤±5% (e.g., 1.9–2.1 mL for 2 mL tubes).
Standardization & Safety
Purple cap (universal color code) for rapid identification.
Gamma-irradiated sterilization, endotoxin-compliant, certified to ISO 13485 and CE standards.
| Test Type | Specific Applications | Mechanism |
|---|---|---|
| Basic Hematology | Complete Blood Count (CBC), blood typing, erythrocyte sedimentation rate (requires dedicated tube) | Preserves cell morphology, prevents clotting interference |
| Specialized Tests | HbA1c, flow cytometry, pathogen nucleic acid testing (PCR) | Stabilizes RBC membranes, protects DNA/RNA integrity |
| Contraindications | Coagulation tests (PT/APTT), calcium/potassium ion assays, trace element analysis | EDTA chelation disrupts ion balance and clotting factor activity |
| Parameter | K2/K3 EDTA Tube Specifications | Remarks |
|---|---|---|
| Volume Options | 1-10ml (PET/GLASS) | Accommodates diverse sample volume needs |
| Anticoagulant Conc. | 1.5–2.2 mg/mL blood | <1.5 mg/mL risks clotting; >2.2 mg/mL shrinks cells |
| Centrifugation | 3500–4000 rpm × 5 min | Separates plasma/cellular layers |
Collection Protocol
Gently invert tubes 5–10 times immediately after draw—do not shake—to prevent microclots.
Fill to marked volume: underfilling causes partial clotting; overfilling dilutes anticoagulant (causing pseudothrombocytopenia).
Sample Handling & Storage
Time Sensitivity: Prepare blood smears within 2 hours; whole blood stored ≤6 hrs (RT) or ≤4 hrs (4°C)—prolonged storage alters cell morphology.
Temperature: Ideal testing range: 18–22°C; extremes (>30°C or <15°C) affect cell volume.
Order of Draw
Follow sequence: Blood culture → Plain tubes → Citrate coagulation tubes → EDTA tubes to avoid cross-contamination.
Microclots observed post-collection. Solution?
Cause: Inadequate/untimely mixing (especially at >25°C) or underfilled tube.
Action: Invert ≥8 times; ensure precise fill volume.
EDTA-K₂ vs. EDTA-K₃: Key differences?
Form: K₂ = crystals; K₃ = liquid spray (faster dissolution).
Impact: K₃ overuse dilutes samples (falsely lowers Hb); K₂ offers better batch consistency.
Suitable for coagulation tests?
No! EDTA chelates calcium, disrupting coagulation cascades. Use dedicated citrate tubes (blue cap) instead.
Causes/prevention of hemolysis?
Causes: Blood impacting tube bottom, violent mixing, premature refrigeration (<30 min post-draw).
Prevention: Angle tubes to let blood flow along walls; use large-bore needles; invert gently.
Preventing blood reflux infection?
Procedure: After draw → Remove tube first → Release tourniquet → Withdraw needle. Prevents negative-pressure backflow.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Trading Company,Seller
Year Established:
2010
Employee Number:
30~60
Ecer Certification：
Verified Supplier
Shanghai Orsin Medical Technology Co., Ltd. is located in No. 599, Wanhua Road, Zhelin Town, Fengxian District, Shanghai. Is China's production of one-time vacuum collection of professional companies, Shanghai Medical Device Industry Backbone Enterprises. The product takes Orsin pattern as the r... Shanghai Orsin Medical Technology Co., Ltd. is located in No. 599, Wanhua Road, Zhelin Town, Fengxian District, Shanghai. Is China's production of one-time vacuum collection of professional companies, Shanghai Medical Device Industry Backbone Enterprises. The product takes Orsin pattern as the r...
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