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Pigtail Percutaneous Drainage Catheter (for Direct Puncture)
- Commodity name： Pigtail Percutaneous Drainage Catheter (for Direct Puncture)
- Description
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Minimally invasive and precise in one step — Pigtail Percutaneous Drainage Catheter (for Direct Puncture)
A classic percutaneous drainage combination: a puncture assembly with metal cannula and a pigtail drainage catheter with locking string. The system establishes a drainage pathway with minimal trauma and is designed for minimally invasive drainage of pleural/abdominal fluid, cysts and abscesses — a common tool under interventional ultrasound or CT guidance.
Core components
Puncture cannula assembly (dedicated puncture needle + metal cannula)
Structural synergy: a sharp dedicated puncture needle (stylet) nested inside an outer metal cannula (sheath). The stylet provides excellent penetration; the outer cannula provides stable tract support.
Anti-leakage and guidance: after image-guided penetration into the target cavity, withdraw the inner needle and leave the metal cannula in place. This helps prevent fluid leakage along the puncture tract and serves as a “safe track” for subsequent guidewire or direct catheter advancement, reducing secondary injury.
Pigtail drainage catheter
Medical material: made of polyurethane (TPU) or similar medical polymers; softens at body temperature to reduce irritation to cavity walls.
Depth control: clear centimeter markings on the shaft and an internal radiopaque line for precise placement depth control.
Anti-dislodgement pigtail coil: distal tip pre-shaped into a loop with multiple side holes. After placement, tighten the proximal locking string to form a secure pigtail. This provides physical anchoring against dislodgement; inner-curve side holes help avoid wall suction and keep drainage patent.
Key clinical advantages
- Cannula anti-leakage, safer operation: metal cannula design seamlessly links puncture and catheter placement; after stylet removal the cannula tract remains, lowering tissue injury and fluid extravasation risk.
- Minimally invasive comfort: fine-diameter tubing suits elderly, frail or longer-term retention patients and helps reduce catheter-related pain.
- Locking string anti-dislodgement: the locking design coils the catheter for in-body anchoring so patient turning and activity are less likely to dislodge the tube.
Typical applications
- Pleural effusion / pneumothorax: an ultra-fine drainage option to reduce postoperative pain.
- Abdominal cysts / abscesses: puncture drainage of hepatic cysts, renal cysts and localized abdominal abscesses.
- Superficial collections: postoperative subcutaneous fluid and lymphorrhea drainage.
Standard placement steps
- Locate and puncture: under image guidance, advance the needle assembly (stylet + cannula) into the target cavity and confirm by aspirating fluid.
- Withdraw stylet: stabilize the metal cannula and remove the inner stylet, leaving the cannula in place as the tract.
- Advance catheter: push the pigtail catheter through the metal cannula (or after advancing a guidewire via the cannula) to the planned depth, then withdraw the metal cannula.
- Form the pigtail: tighten the proximal locking string so the tip coils into a locked pigtail.
- Secure and connect: fix the catheter securely and connect a drainage bag.
Our company's entire product line is based on the production of 10,000-level purification workshop, the implementation of ISO 13485 quality system, the integration of clinical feedback continuous iteration. Through the three-dimensional upgrade of "material modification, structural innovation and scene adaptation", we can accurately solve the pain points of catheter slippage, drainage blockage, surgical trauma and other industries, and help medical institutions improve treatment efficiency and patient safety.
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Pigtail Percutaneous Drainage Series
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