Double and Triple Lumen Dialysis Catheter
Double Lumen Catheter:
- Structure: Two separate lumens—one for arterial withdrawal and one for venous return.
- Material: Radiopaque polyurethane that softens at body temperature for patient comfort.
Triple Lumen Catheter
- Structure: Two lumens for dialysis and a third narrow lumen for medication or fluid administration
- Use Case: Ideal for critically ill patients requiring simultaneous dialysis and infusion therapy.
- Material: Antimicrobial polyurethane (e.g., Trilyse Expert) with full radiopacity.
Features for Double Lumen Catheter:
- Annular grooves at side holes to prevent vessel wall suction
- Soft tapered tip to reduce trauma
- Firm yet flexible for easy insertion and anatomical compliance
Features for Triple Lumen Catheter
- Third lumen allows uninterrupted dialysis while delivering drugs or nutrition
- Radiopaque design for precise placement under imaging
- Antimicrobial coating to reduce infection risk
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