C-Leg | C-Leg | Knees - Microprocessor | Lower Limb Prosthetics | Prosthetics (2024)

The C-Leg 4 Update microprocessor knee

Choose the latest in proven performance

With over 100,000 fittings to date, the C-Leg is trusted by more users than any other microprocessor knee in the world1. And it’s no wonder: Studies show the C-Leg provides the exceptional reliability and performance users need to focus on what really matters — enjoying a healthy, active lifestyle.

From descending stairs and ramps, to navigating uneven terrain, to walking backward, the C-Leg dynamically adapts to a wide variety of everyday situations.

This legacy lives on in the C-Leg 4 Update.

For Users

  • New! IP68 rating! C-Leg is now even more durable than before and safe for occasional submersion in fresh water up to 3 meters for 1 hour2
  • New! Manual locking function to conveniently secure the knee in extension via a simple tapping pattern
  • Supported descent on ramps and stairs
  • Improved stance release with short and quick steps
  • Stumble Recovery Plus active at all times
  • Increased support for sitting down
  • Training function for stance release exercises!
  • Choice between Intuitive and Deliberate stance
  • More options for favorite activities with MyMode Plus
  • Deep sleep mode to save battery
  • Redesigned charger allowing one-handed operation
  • Customizable shield cover
  • Safe backward walking
  • More reliable swing and stance phase control
  • User customized functions via the Cockpit app for Android and Apple iOS
  • Available in multiple colors as well as screw-top or pyramid adapter

For Professionals

  • New! C-Leg 4 now has an app-based programming option for set-up by the professional. The new “connectgo.pro” app is compatible with both Apple (iOS) and Android devices. To learn more, please visit our “connectgo.pro” product page: https://shop.ottobock.us/connectgo.pro
  • Training function for ensuring consistent stance release
  • C-Soft Plus (Data Station PC based software) remains available for programming and support of the fitting process
  • Delivered in Safety Mode until patient-specific data is entered. A recommendation is then provided.
  • Standard 34mm, easily shortened tube adapters
  • Access usage statistics when activated to see progress at each appointment
  • Can be connected to an osseointegrated, percutaneous implant system*

1 Wismer, N., Mileusnic, M., Sreckovic, I., & Hahn, A. (2016). First results on next generation C-Leg. Poster presentation at OTWorld, Leipzig, Germany

2 Electronics are protected from dust, sand, dirt and occasional submersion in fresh water (up to 3m for 1hr). Mechanical components are not corrosion resistant.

* Verify that the manufacturer of the implant system and the manufacturers of the corresponding exoprosthetic components/adapters also permit this combination.

Learn more about:Clinical Evidence / Resources

Learn more about:IP Ratings and Ottobock MPKs

Activity LevelK2, K3, K4
Maximum Body Weight300 lbs (136 kg)
Battery LifeApproximately 2 days
Flexion Angle130 degrees w/o flexion stop
ColorMidnight shadow
Proximal ConnectionPyramid Adapter
Distal ConnectionTube Clamp
MaterialCarbon
Moisture ProtectionIP68
Standard Warranty3 years
Software UpdatesData Station
C-Leg Weight2.75 lbs
Proximal system height up to alignment reference point (pyramid connector)5 mm
Minimum distal system height with 2R57 tube adapter289 mm
Minimum distal system height with 2R67 tube adapter (torsion unit)329 mm
Maximum distal system height with 2R57 tube adapter494 mm
Maximum distal system height with 2R67 tube adapter (torsion unit)534 mm

Shield Insert

item #:: 4P863=1 Champagne color with striped edge design

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Shield Insert

item #:: 4P863=2 Chocolate blend color with weathered design

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Shield Insert

item #:: 4P863=3 Blended color with prism design

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Shield Insert, customisable

item #:: 4P863=4 Customizable shield insert

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C-Leg Protective Cover (w/o shield)

item #:: 4X860=S Color: Light Champagne

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C-Leg Protective Cover (w/o shield)

item #:: 4X860=M Color: Light Champagne

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C-Leg Protective Cover (w/o shield)

item #:: 4X860=L Light Champagne

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C-Leg Guard

item #:: 4P862

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C-Leg Knee-Extender

item #:: 4H105

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Functional Cosmesis C-Leg

item #:: 3F1=1

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Charger extension cable - ankle

item #:: 4X156-1

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Charger extension cable - knee

item #:: 4X157-1

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Charger extension cable - ankle, long

item #:: 4X158-1

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Battery Charger for C-Leg

item #:: 4E50-3

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USB-Adapter for charging

item #:: 757L43 USB charging adapter with proprietary plug connection for Ottobock Li-ion battery chargers

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Power supply

item #:: 757L16-4

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Tube Adapter, short, 34 mm, Titanium

item #:: 2R57

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Tube adapter with torsion unit, Ø 34 mm

item #:: 2R67

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Charging receptacle cover

item #:: 4Y499=1

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Refine results

Attributes

MPK Coding Options

Reimbursement

PDF Document | Published:Aug 16, 2024

C-Leg 4 Instructions for Use (User, English)

Instructions for Use

PDF Document | Published:Jul 10, 2024

C-Leg 4 Instructions for Use (Professionals, English)

Instructions for Use

PDF Document | Published:Jul 10, 2024

C-Leg 4 Instructions for Use (User, Spanish)

Instructions for Use

PDF Document | Published:Jul 10, 2024

C-Leg 4 Instructions for Use (Professionals, Spanish)

Instructions for Use

PDF Document | Published:Jul 10, 2024

C-Leg 4 Instructions for Use (User, French)

Instructions for Use

PDF Document | Published:Jul 10, 2024

C-Leg 4 Instructions for Use (Professionals, French)

Instructions for Use

PDF Document | Published:Jul 10, 2024

Product Information

PDF Document | Published:Jul 10, 2024

C-Leg 4 PDAC Letter

Reimbursement

PDF Document | Published:Aug 16, 2024

C-Leg 4 Prosthetist Documentation Guide

Reimbursement

PDF Document | Published:Jul 23, 2024

C-Leg 4 Physician Documentation Guide

Reimbursement

PDF Document | Published:Jul 23, 2024

C-Leg 4 Reimbursement Guide

Reimbursement

PDF Document | Published:Aug 16, 2024

C-Leg 4 Bibliography

Reimbursement

PDF Document | Published:Jul 23, 2024

C-Leg 4 Bench Alignment Guide

Other

PDF Document | Published:Jul 23, 2024

C-Leg 4 Product Brief

Brochure

PDF Document | Published:Oct 17, 2024

C-Leg 4 Order Form (Canada only)

Order Form

PDF Document | Published:Jul 10, 2024

C-Leg 4 Order Form (US only)

Order Form

PDF Document | Published:Jul 10, 2024

C-Leg 4 Product Brief (Canada only, French)

Brochure

PDF Document | Published:Jul 25, 2024

C-Leg (Canada only, French)

Order Form

PDF Document | Published:Jul 25, 2024

C-Leg | C-Leg | Knees - Microprocessor | Lower Limb Prosthetics | Prosthetics (2024)

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