C-Walk | Feet - Mechanical | Lower Limb Prosthetics | Prosthetics | Ottobock US B2B Site
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No product orders will be shipped from Louisville, KY on Wednesday, September 23, 2020. All ground and air shipments are temporarily interrupted due to an increase in civil unrest occurring in very close proximity of Ottobock’s logistics facility. We will return to normal operations as soon as possible. Please contact customer service with questions at 800-328-4058 or USCustomerService@ottobock.com


Item #: 1C40=K

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Suggested HCPCS Coding: L5981 + L5986
Restrictions to Coding and/or Coverage may apply
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The functional characteristics of the C-Walk come from the combination of the carbon C-Spring and control ring. The synchronized interplay of the individual components create harmonious and energy-optimized movement. Prosthesis users benefit from cushioned heel strike to the dynamic transition into swing phase, as well as the all-around elasticity and conformity to uneven terrain.

Thanks to the springs progressive response, the C-Walk can easily adapt to a wide variety of activities without compromising function. The C-Walk will accommodate anything from a casual stroll for shopping to more active recreational sports, making the foot selection process much simpler for the clinician.

Scope of Delivery
Scope of delivery for the 1C40 C-Walk foot includes the footshell and connection cap.


Activity Level K3, K4
Maximum Body Weight 220 lbs (100 kg)
Footshell Color Beige (4), Brown (15)
Side Right (R), Left (L)
Sizes 24 cm - 30 cm
Product weight (w/o footshell) 405 g - 630 g
~ Min. Clearance Height (Size 24 & 25 cm) 90 mm (3 1/2")
~ Min. Clearance Height (Size 26 & 27 cm) 97 mm (3 3/4")
~ Min. Clearance Height (Size 28 & 29 cm) 105 mm (4 1/8")


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1C40 C-Walk Information for Practitioners

Product Information: 646A154 (EN)

Publish date: 

ottobock.document.type.application/octet-stream (646A154-GB-03-1403w.pdf | 436 KB)

Function Matrix – Prosthetic Feet

Product Information: 646F307 (EN)

Publish date: Sep 1, 2012

PDF Document (646F307-EN-05-1209w.pdf | 5 MB)

1C40 C-Walk - Instructions for Use

Instructions for Use: 647H201 (EN/DE/FR/IT/ES/PT/NL/SV/DA/NO/FI/PL/HU/CS/RO/HR/SL/SK/BG/TR/EL/RU/JA/ZH/KO)

Publish date: Jul 1, 2020

PDF Document (647G1520-INT-37-2004w.pdf | 1 MB)

Foot Size Conversion Table

Product Information: (EN)

Publish date: Dec 1, 2016

PDF Document (Foot-Size-Conversion-Table.pdf | 160 KB)

LL Prosthetic Documentation Packet

Product Information: (EN)

Publish date: Jul 20, 2020

PDF Document (LLP_DocumentationPkt_072020.pdf | 1 MB)