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MightyMite® Knee

The MightyMite® Knee is a core component of the Fillauer and Hosmer MightyMite® Endoskeletal Line. The knee is designed to be rugged and tough enough for active pediatric amputees in a compact lightweight form, also ideal for geriatric population.

  • Rugged, compact, rated to 132 lbs.
  • Length is 1-5/8 in. from distal end of socket to distal knee cap
  • Gliding, easy to flex, polycenric design with friction control
  • Four different proximal attachments
  • Three different extension assist springs
Knee Configuration Weight Building Height
Knee Only 9.55 oz. (270 g) 63 mm (3-3/4 in.)
with Proximal Pyramid 10.35 oz. (294 g) 70 mm (2-1/2 in.)
with Slide Adapter 11.40 oz. (323 g) 84 mm (3-3/8 in.)
with Tapered 4-Hole Adapter 11.07 oz. (310 g) 75 mm (2-15/16 in.)
with Threaded Adapter 10.15 oz. (288 g) 67 mm (2-5/8 in.)


  • L5611 – 4-bar linkage with friction control
  • L5920 – Alignable system

Suggested L-Codes are provided as a reference only. It is the responsibility of the practitioner and/or patient care facility submitting this claim to determine and submit the correct coding within all established rules and guidelines.

MightyMite 4-Bar Knee with Pyramid Adapter
A FC100510 MightyMite® 4-Bar Knee, with Proximal Pyramid Attachment
B FC100500 MightyMite® 4-Bar Knee, without Proximal Pyramid Attachment

For more information and ordering, email Customer Service or call 1-800-251-6398.