Nephrostomy catheter KZ series

renalhydrophilic8 FR

Product Name
Nephrostomy Catheter Kit PA SET (Precision Puncture) — Needle-Visible Smart-Tip

Basic Information

• Brand: EVT
• Place of Origin: China
• Model Numbers: KZ-8-16A, KZ-8-18A, KZ-8-20A, KZ-8-22A, KZ-10-18A, KZ-10-20A, KZ-10-22A
• Certifications: ISO 13485, NMPA (CFDA), CE (Class IIb)
• Packaging: Individually blistered, 1 set per box
• Delivery time: 5-8 working days
• Payment terms: T/T
• Supply ability: In stock

Product Specifications (summary)

• Usage: Percutaneous nephrostomy access for PCNL procedures
• Sterilization: Ethylene oxide (EO)
• Sizes: Multiple kit configurations and sizes available
• Shelf life: 3 years (validated)
• Needle options: Standard 18G×20cm Smart-Tip; pediatric 20G×15cm
• Guide wire: 0.035" × 75 cm

Intended Use

• Provide precise renal access for PCNL under combined ultrasound and fluoroscopic guidance
• Indications: nephrolithiasis (stones >2 cm), obstructive hydronephrosis, post-transplant nephrostomy, complex calyceal anatomy

Key Clinical Advantages

• Reported 37% faster parenchymal penetration versus standard needles (in vitro)
• Reported 62% reduction in needle deflection during deep access
• 360° fluoroscopic visibility, maintained at oblique angles up to 30°
• Dual-tip technology for differentiated tissue penetration

Enhanced Product Features

• Smart-Tip Needle System
  • 18G×20cm diamond-cut trocar tip (0°) for tough renal capsules
  • Alternate beveled tip (30°) for delicate parenchymal layers
  • Proprietary sandblasting increases radiopacity ≈2.3× versus competitors
• Precision Guidance Technology
  • Laser-etched depth markers every 1 mm with 0.2 mm tolerance
  • Three-tier marker bands at 3 cm, 5 cm and 7 cm
  • Micro-grooves for tactile feedback during advancement
  • UV-reactive coating for endoscopic light conditions
• Deflection-Resistant Shaft
  • Nitinol core with tungsten reinforcement (0.003" tolerance)
  • Spiral-cut distal 3 cm for controlled flexibility
  • Hydrophilic coating reduces tissue drag by ≈41%

Procedure-Specific Configurations Available

• Standard Access Kit: 1 needle, coaxial dilator, 0.035" guidewire
• Advanced Stone Suite: adds Amplatz sheath and stone basket
• Pediatric Mini-Kit: 20G×15cm needle with 1 cm markers

Quality Certifications

• CE marked (Class IIb medical device)
• ISO 13485:2016
• Sterile EO processed (validated 3-year shelf life)

Component / Sizing Table (summary)
8-16 / 16 / 14 / 18G-20cm / 0.035"-75cm / 18
8-18 / 18 / 16 / 18G-20cm / 0.035"-75cm / 18
8-20 / 20 / 22 / 18G-20cm / 0.035"-75cm / 18
8-22 / 22 / 22 / 18G-20cm / 0.035"-75cm / 18
10-18 / 18 / 18 / 18G-20cm / 0.035"-75cm / 18
10-20 / 20 / 22 / 18G-20cm / 0.035"-75cm / 18
10-22 / 22 / 22 / 18G-20cm / 0.035"-75cm / 18

Packaging & Logistics

• Individually blistered; 1 set per box
• Typical lead time: 5-8 working days from stock