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C-Leg compact Knee Joint

Item #: 3C86-1
Threaded top

Suggested HCPCS Coding: L5828 + L5845 + L5858
Restrictions to Coding and/or Coverage may apply
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The Compact is designed for individuals who are still moderately active, but won’t miss all the functionality of microprocessor swing phase control.  It’s smooth responsiveness, reliability and stance security enables these individuals to stay active and navigate their everyday worlds with confidence. 

  • Standing Mode  
  • Stance control on stairs, ramps and across all terrain
  • Stumble recovery feature
  • Up to 36 hours of battery life


Scope of delivery:

  • Knee joint
  • Tube adapter
  • Battery charger
  • AC Adapter
  • Remote control
  • Instructions for Use


Important Safety Note: Entering a room or area with strong magnetic fields (e.g., MRI) can cause irreparable damage to microprocessor knees. Microprocessor knees should be removed before entering a room or area where strong magnetic fields exist.



Activity level K3
Maximum body weight 275 lbs (125 kg)
Battery Life Approximately 2 days
Knee flexion angle 125 degrees
Proximal Connection Threaded Top
Distal Connection Tube clamp 34mm
Unit weight (without pylon) 1,210 g / 2.7 lbs
Material Carbon
Standard warranty 3 years


Refine results

C-Leg Compact Product Information

Product Information: 646B34 (EN)

Publish date: May 1, 2009

PDF Document (646B34-GB-02-0905w.pdf | 1 MB)

Fabrication Order Form for Transfemoral or Knee Disarticulation

Order Form: (EN)

Publish date: May 1, 2015

PDF Document (13084BTransfemoralProsthesisOrderForm.pdf | 60 KB)

C-Leg ­compact­ 3C96-1 3C86-1 - Instructions for use (user)

Instructions for Use: 646D179 (DE/EN/FR/ES)

Publish date: May 12, 2017

PDF Document (646D179-DE_EN_FR_ES-09-1705w.pdf | 2 MB)

Alignment Recommendations for TF Modular Lower Limb Prostheses

Product Information: 646F219 (EN)

Publish date: Aug 1, 2013

PDF Document (646F219-GB-12-1308w.pdf | 1 MB)

Advanced Microprocessor Knee Brochure

Product Information: (EN)

Publish date: Apr 1, 2017

PDF Document (14061MPKFamilyBrochureLO.pdf | 853 KB)

3C96-1/3C86-1 C-Leg compact - Instructions for Use (qualified personnel)

Instructions for Use: 647G170 (DE/EN/FR/ES)

Publish date: Mar 1, 2015

PDF Document (647G170_D_GB_F_E-09-1503w.pdf | 5 MB)