Description
Cook Medical Mac-Loc® Locking Loop Multipurpose Drainage Catheter is designed for secure, efficient percutaneous drainage across a wide range of interventional procedures. The patented Mac-Loc® locking mechanism stabilizes the distal pigtail loop to reduce accidental dislodgement while preserving patient comfort. Built from radiopaque Ultrathane® polyurethane with a hydrophilic coating, this catheter offers excellent fluoroscopic visibility and smooth insertion with optimized drainage flow.
Identification
Product Identifier: Mac-Loc® Multipurpose Drainage Catheter
Product Code: G09503
Reference Number: ULT12.0-38-25-P-6S-CLM-RH
Brand: Cook Medical
Size: 12.0 Fr x 25 cm
Material: Ultrathane® (Polyurethane)
Color: Blue / Radiopaque
Type: Locking Pigtail Drainage Catheter
Guidewire Compatibility: Accepts 0.038" wire
Key Benefits
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Secure Fixation: Patented Mac-Loc® mechanism locks the pigtail to minimize migration.
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Excellent Visibility: Radiopaque construction enables precise fluoroscopic confirmation.
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Smooth Insertion: Hydrophilic coating becomes lubricious when activated, reducing friction.
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Optimized Drainage: Large internal lumen with multiple sideports improves flow and reduces clogging.
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Patient Comfort: Soft, kink-resistant material conforms to anatomy for indwelling use.
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Versatile Use: One catheter for multiple drainage indications.
Applications
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Percutaneous nephrostomy
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Biliary drainage
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Abscess drainage
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General fluid collection and decompression
Usage Guidelines
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Technique: Insert over a guidewire (Seldinger technique) or via direct stick per protocol.
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Deployment: Unlock to deploy/straighten the loop; lock to secure the pigtail in situ.
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Storage: Store in a cool, dry place away from direct light.
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Disposal: Dispose of as biohazardous medical waste after single use.
Certifications, Safety Standards, and Regulatory Approvals
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Sterile: Supplied sterile in peel-open packaging
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Single Use: Intended for one patient only
Comparison with Competitor Products
Mac-Loc® eliminates the need for sutures or external locking devices, offering faster placement and easier management than traditional pigtail catheters. Ultrathane® provides a superior balance of column strength and flexibility compared with stiffer plastics that can compromise comfort during dwell time.
Typical User Profile and Application Scenarios
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Interventional radiologists performing image-guided drainage
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Urologists placing nephrostomy catheters
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Surgeons managing postoperative or infectious collections
Best Practices for Use and Maintenance
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Confirm the locking mechanism is fully engaged after placement.
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Flush per institutional protocol to maintain patency.
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Monitor the insertion site and output for signs of infection or obstruction.