Pathfinder® II Foot


The key to the Pathfinder II’s performance lies in its unique construction: a toe spring, a foot plate, and a pneumatic heel spring all connected in a triangular configuration. This design provides shock absorption during heel strike without diminishing the energy return of the toe spring, resulting in optimal flexibility, stability, and comfort. An improved bearing system at the proximal and distal ends of the heel spring alleviate medial/lateral loading on the pneumatic cylinder. As an added bonus, the improved bearing system allows increased inversion/eversion in the foot. Additional reinforcement has also been added to the foot shell. The Low-Profile Pathfinder II incorporates the same benefits as the Pathfinder II, but it is one inch shorter. The extra clearance allows the Low-Profile Pathfinder II to be used by amputees who have longer residual limbs or 8 inches of clearance or more.

Product Highlights:
  • Moderate to High Activity
  • Exceptional Inversion and Eversion
  • Fixed 4-hole Option Lighter than the Original Pathfinder
  • Improved Durability and 36-month Warranty
  • Comes with Reinforced, High Activity Foot Shell
  • Low-Profile Design Accommodates Amputees with Longer Residual Limbs
  • 350 lb Weight Limit
Includes Foot, High-Activity Foot Shell, Foot sock, proximal adapter, hand pump, removal tool, valve extension
Weight Without Slide Adjustment: 785 g
With Slide Adjustment: 817 g
Based on 26 cm foot without Proximal
Adapter, foot shell or Foot Sock
Patient Weight Limit 350 lb (160 kg) for U.S. Activity Levels 1-3
300 lb (135 kg) for U.S. Activity Level 4*
Heel Height 3/8″ (10 mm), 3/4″ (18 mm)
Available Sizes 23 to 31 cm
Build Height**
See Build Height Chart
Cosmesis Unisex in Buff, Tan, or Medium Brown
Toe Spring Stiffness Seven – See Composite Toe Spring Chart 
U.S. Warranty Information Foot:   36 months from date of patient fitting
Foot shell:   9 months from date of patient fittingNOTE: No credit will be issued after 45 days from order date. Exceptions will only be made for warranty returns due to product failures.
U.S. L-Code Suggestions L5986, L5987, L5940 (or L5950 or L5960), L5910, (or L5920)

* Level 4: Has the ability or potential for prosthetic ambulation that exceeds the basic ambulation skills, exhibiting high impact, stress, or energy levels. Typical of the prosthetic demands of the child, active adult, or athlete.
**Build height measurements taken for a size 26 cm foot with WillowWood components. Measurements will vary if using non-WillowWood components

Click for patent information. 

To order a Pathfinder II Foot, please select the size, side, color, toe spring stiffness, heel height, and adapter.

PFDR-23LB-4L-1 Pathfinder II Foot SAMPLE Part Number
Name Code PFDR PFDR = Pathfinder II Foot
PFLP = Low-Profile Pathfinder II Foot
Size of Foot 23 23 to 31 cm
Side of Foot L L = Left
R = Right
Foot Shell Color B B = Buff
M = Medium Brown
T = Tan
Toe Spring Stiffness 4 3 to 9 (click to view chart)
Heel Height L L = Low 10 mm (3/8″)
M = Medium 18 mm (3/4″)
Proximal Adapter 1 1 = Pyramid Adapter
2 = Pyramid Receiver Adapter
3 = Threaded 4-Hole Adapter
4 = Through 4-Hole Adapter with Valve
5 = Without Slide Adjustment (proximal connection is a Fixed Threaded 4-Hole)

Pathfinder II Patient Instructions
Pathfinder II Patient Instructions, Spanish
Pathfinder II Quick Reference Guide
Pathfinder II Instruction Manual
Pathfinder II Alignment Highlights
Pathfinder II Through 4-Hole Adapter with Valve Assembly Instructions
Pathfinder II Installation Instructions for Pathfinder Replacement Bearings
Pathfinder II Instructions for Replacing Valve Assembly
Pathfinder II Pneumatic Heel Spring Replacement Instructions

Fasteners & Torque
M6 x 12 mm Setscrews
(A/P Slide Adjustment)
  5.7 ft-lbs/7.7 Nm
M8 x 12 mm Lowhead Capscrew
(Toe-out Adjustment)
18 ft-lbs/24.4 Nm
Pathfinder II Pyramid Through 4-Hole
Adapter (PFD-00114)
 M6 x 20 mm Flathead Capscrew  9 ft-lbs/12 Nm
Pathfinder II Pyramid Receiver (PFD-0116)
M8 x 16 mm Screwset  12 ft-lbs/16 Nm
Related products:
PFD-1105 Pathfinder® II Schrader Valve
PFD-1106 Pathfinder® II Schrader Valve Extension
PFD-1107 Pneumatic Heel Spring Bearing Kit
PFD-1108 Pneumatic Heel Spring with Bearing Kit (Standard Pathfinder ® II)
PFD-1109 Pneumatic Heel Spring with Bearing Kit (Low-Profile Pathfinder® II)
PFD-0113 Pathfinder ® II Threaded 4-Hole Adapter
PFD-0114 Pathfinder ® II Through 4-Hole Adapter with Valve
PFD-0115 Pathfinder ® II Pyramid Adapter
PFD-0116 Pathfinder ® II Pyramid Receiver Adapter
PFD-1201 Hand Pump for Pneumatic Heel Spring
PFD-9001 Pathfinder ® II Transfer Block
700-SS001 Foot Sock
FSHA-XXXX-X High-Activity Foot Shell, 23-31 cm – for a complete product number, specify size, side, color, heel height
FSHT-XXXX-X Full-Height Foot Shell, 25-30 cm -for a complete product number, specify size, side, color, heel height

This training video discusses how the Pathfinder II foot’s construction differs from other high-activity prosthetic feet. Proper alignment of the foot is shown in detail and will be helpful to clinicians and prosthetic technicians. Ordering criteria is also reviewed.

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