Lockhart Mummery Fistula Director No.4 retrograde curved, 16.5cm

Clinical Application

Designed to assist surgeons in identifying and following fistulous tracts, this retrograde curved director is used for controlled probing, cannulation, and seton placement in perianal, anorectal and other cutaneous fistula procedures. The blunt, rounded tip allows the surgeon to delineate tract course and locate internal openings while minimizing risk of inadvertent false passages or tissue perforation. The length supports access to mid- to deep-level tracts encountered in colorectal and general surgical practice.

Design & Configuration

The retrograde curved geometry facilitates negotiating curved or oblique fistulous pathways by aligning the tip trajectory with the natural tract curvature, improving tactile feedback and directional control. A smooth shaft and blunt probe tip reduce tissue shear during passage, and the overall length provides reach without compromising handling. This configuration is particularly useful when approaching a tract from an internal opening toward an external exit or when establishing a secure route for seton placement.

Instrument Specifications

• Instrument type: Fistula director (Lockhart Mummery pattern)
• Model: No.4, retrograde curved
• Length: 16.5 cm
• Tip: Blunt, rounded probe tip for atraumatic probing
• Typical use: Probing, tract identification, cannulation and seton placement in fistula surgery
• Construction: Reusable stainless steel

Material & Construction

Manufactured from corrosion-resistant surgical stainless steel and finished for repeated reprocessing. The simple, single-piece probe form and rounded tip are optimized for atraumatic passage through soft tissues and for compatibility with standard sterilization processes.

Quality & Compliance

Manufactured by FDA-registered OEM facilities and produced under strict quality control standards.

Brand Comparison

Comparable in form and function to equivalent instruments offered by major US medical suppliers.

Availability & Returns

• In-stock lead time: ships within ~1 week
• Out-of-stock lead time: 2–4 weeks
• Returns: 30-day return policy