UltraFin (Bariatric) Stirrup

Part Number: AM/O-UFAS
  • Features
  • Specifications
  • What’s included
  • Download PDF
  • Enquiry
  • Email this Page

The UltraFin Bariatric Stirrups is an upgrade of the YelloFin Stirrup. The reinforced rod and joint assembly and the flexible boot make the system capable of positioning a patient weighing upto 363kg. Though designed for larger patients, the UltraFin Stirrup is still appropriate for use with the general patient population.


  • Flexible Boot: Boot comfortably conforms to the calf shape of the patient while 
providing support
    The shape and design of the back of boot helps reduce pressure under the popliteal fossa
    Flexible boot allows these stirrups to be standardized throughout the facility
  • Fin Design:
    Covers the fibula head and helps to protect superficial peroneal nerve
  • Floating Boot:
    Self-adjusting boot minimizes pressure on the calf when moving the stirrup
  • Lift-Assist™ Technology:
    Allows easy movement of the leg when placing it in the desired position
  • Ultrafins Clamshell Pad:
    Completely encapsulates the foot, ankle and calf for comfortable and secure positioning
  • Squeeze Grip Handle:
    Provides easy intraoperative adjustment without compromising the sterile field. Simply release the handle to secure the leg holder in all directions
  • Lithotomy & Length Indicators:
    Visual indicators that help ensure precise positioning
  • Patient Weight Capacity: 800 lbs (363 kg)
  • Lithotomy Range: +84° to –33°
  • Abduction Range: +25° to –9°
  • CE marked

Allen® Stirrups Instructional Video from Allen Medical Systems on Vimeo.



Ultrafins Stirrups
1 Pair Included
Ultrafins Clamshell Pad
1 Pair Included



AM/A-400## (Specify rail type)
Easy Lock® Blade Clamp
2 Required

Download PDF

  • This field is for validation purposes and should be left unchanged.