Nephrostomy catheter KZ series

renalpolytetrafluoroethylene8 FR

Basic Information
Place of origin: China
Brand: EVT
Certifications: ISO 13485, NMPA (CFDA)
Model numbers: KZ-8-16A, KZ-8-18A, KZ-8-20A, KZ-8-22A, KZ-10-18A, KZ-10-20A, KZ-10-22A
Packaging: Individually blistered, 1 set per box
Delivery time: 5-8 working days
Payment terms: T/T
Supply: In stock

Intended use
Percutaneous nephrostomy drainage and establishment of secure renal tract in complex renal anatomy, including tortuous calyces and staghorn calculi.

Key features

• Dual-layer construction: PTFE coating over a nitinol core (yield strength ~45,000 psi)
• 3 cm flexible J-tip designed to reduce papillary injury during calyceal access
• Approximately 30% higher pushability versus standard guidewires for crossing dense scar tissue
• MRI-conditional (1.5T/3T) with centimeter depth markers for intra-procedural positioning
• Provided sterile via ethylene oxide

Kit configuration

• 8-16 Fr set: Dilators 8–16 Fr | Peelable sheath 16 Fr | Drainage tube 14 Fr | Needle 18G–20 cm | Guide wire 0.035"–75 cm | Fixator 18 Fr
• 8-18 Fr set: Dilators 8–18 Fr | Peelable sheath 18 Fr | Drainage tube 16 Fr | Needle 18G–20 cm | Guide wire 0.035"–75 cm | Fixator 18 Fr
• 8-20 Fr set: Dilators 8–20 Fr | Peelable sheath 20 Fr | Drainage tube 22 Fr | Needle 18G–20 cm | Guide wire 0.035"–75 cm | Fixator 18 Fr
• 8-22 Fr set: Dilators 8–22 Fr | Peelable sheath 22 Fr | Drainage tube 22 Fr | Needle 18G–20 cm | Guide wire 0.035"–75 cm | Fixator 18 Fr
• 10-18 Fr set: Dilators 10–18 Fr | Peelable sheath 18 Fr | Drainage tube 18 Fr | Needle 18G–20 cm | Guide wire 0.035"–75 cm | Fixator 18 Fr
• 10-20 Fr set: Dilators 10–20 Fr | Peelable sheath 20 Fr | Drainage tube 22 Fr | Needle 18G–20 cm | Guide wire 0.035"–75 cm | Fixator 18 Fr
• 10-22 Fr set: Dilators 10–22 Fr | Peelable sheath 22 Fr | Drainage tube 22 Fr | Needle 18G–20 cm | Guide wire 0.035"–75 cm | Fixator 18 Fr

Technical specifications

• Sterilization: Ethylene oxide (EO)
• Shelf life: 3 years
• Guide wire: 0.035" diameter, 75 cm length
• Core material: Nitinol with PTFE outer coating (PTFE coefficient μ ≈ 0.05)
• J-tip length: 3 cm (flexible)
• MRI compatibility: Conditional at 1.5T and 3T
• Intended clinical use: Percutaneous nephrostomy and complex renal access
• Manufacturer: EVT