Description
Description
The Cook Medical Dawson-Mueller Drainage Catheter (G09705) is a multipurpose percutaneous catheter designed for effective fluid drainage in procedures such as nephrostomy, biliary drainage, and abscess management. With an 8.5 French diameter and 25 cm length, it can be placed using either the direct stick method or the Seldinger technique, offering flexibility across clinical scenarios.
Manufactured from radiopaque Ultrathane® polyurethane, the catheter provides excellent kink resistance and visibility under fluoroscopy. The integrated Mac-Loc® locking loop mechanism securely anchors the distal pigtail, reducing the risk of accidental dislodgement while maintaining patient comfort during dwell time.
Identification
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Product Identifier: Dawson-Mueller Multipurpose Drainage Catheter
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Product Code: G09705
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Reference Number: ULT8.5-38-25-P-5S-CLDM-HC
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Brand: Cook Medical
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Size: 8.5 Fr x 25 cm
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Material: Ultrathane® (Polyurethane)
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Color: Blue / Radiopaque
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Type: Pigtail Percutaneous Drainage Catheter
Key Benefits
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Secure Fixation: Mac-Loc® locking mechanism firmly maintains pigtail loop position
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Reduced Insertion Friction: AQ® hydrophilic coating supports smooth catheter advancement
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Enhanced Visibility: Highly radiopaque material enables precise fluoroscopic placement
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Patient Comfort: Soft Ultrathane® material conforms to anatomy, minimizing irritation
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Clinical Versatility: Suitable for nephrostomy, biliary, abscess, and general fluid drainage
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 Management
Usage Guidelines
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Sizing: 8.5 Fr catheter; accepts a .038" guidewire
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Storage: Store in a cool, dry environment
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Disposal: Dispose of according to biohazardous medical waste protocols
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Usage:
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Insert using direct stick or Seldinger technique
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Advance catheter to target location
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Deploy the pigtail by unlocking the Mac-Loc® mechanism
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Engage the lock to secure the loop
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Flush regularly per protocol to maintain catheter patency
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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 single-patient use only
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Latex Free: Not explicitly stated on all packaging; verify per individual unit
Comparison with Competitor Products
The Dawson-Mueller catheter is widely recognized for its balance of column strength for insertion and flexibility for indwelling comfort. The Mac-Loc® locking system is often preferred over suture-based alternatives due to ease of use and reliable fixation.
Typical User Profile and Application Scenarios
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Interventional Radiologists
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Urologists
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General Surgeons
Best Practices for Use and Maintenance
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Confirm the locking mechanism is fully engaged after placement
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Monitor the insertion site for signs of infection, leakage, or dislodgement
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Flush the catheter according to institutional protocol to prevent occlusion