frequently asked questions
ELITE FOOT
TECHNICAL QUESTIONS

What type of testing was performed on the foot and do you have any test data results?
The foot is tested to ISO 10328 A125 load levels for appropriate springs. The springs are also tested statically independently from the foot shell. Deflection testing is also carried out on the springs to confirm the categories. Patient trials began in May 2004, and concluded in Jan 2005.

How much compression of the heel should I get under normal loads?
Approx. 1.5cm deflection at the tip of the heel during normal walking

Why not a split toe all the way up?
The split in the toe spring does not extend into the curved section, allowing for a stronger, more stable attachment. Providing measurably better M-L compliance because it’s independent and not connected to the heel.  This independent spring configuration has been patented by Blatchford.

What weight limits do you have on the foot?
Springs are available up to 365 lbs. depending on impact level – please refer to selection guide. 

What size limits do you have on the foot?
Foot shells available size 24 to 30 left and right. 3/8 heel height.

What’s the weight?
Size 26 including foot shell: 618 grams

What’s the clearance?
Build height is 140mm (approx 5 ½)

How would you suggest cosmetically finishing this foot?
Soft foam fairing.  The AP opening is shorter for a neat ankle finish. The shape will also fit with requests from practitioners for a more natural appearance.  AP/Cosmetic finishing changes at the foot shell are very good for the Elite.

I notice you have three bolts connecting the foot plate to the shank. Are these likely to come loose?
The three-hole pattern gives a very secure attachment, which can withstand bending, shear and torsional loads. The forces on the split spring are reduced because the split is below the curve and there are no moving parts close to the connections. There have been no reported instances of hole wear.

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ELITE FOOT
SERVICE QUESTIONS
What’s the turn around time when an order is placed?
All standard configurations are available from stock.  Orders received before 4:00 pm Eastern time, are shipped the same day.

What is the Warranty?
36 months on springs and chassis; 12 months on foot shell;  6 months on spectra sock; 60 days No Questions Asked return policy.

Is there a trial period?
60 days No Questions Asked Return policy 

What is your return policy?
All products to be returned need an Endolite return authorization number. Within 60 days no questions asked. After 60 days returns must be evaluated under warranty.

How do I select a foot?
Order simply by providing the amputee weight/ activity profile and foot size /side. A selection guide is also available.

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ELITE FOOT
GENERAL QUESTIONS

What L-Codes does Endolite suggest we use?
Our testing shows that the Elite complies with L5987. 

Why would I use this foot over other feet on the market?
Elite is the First All Terrain Foot. Independent 3 point spring contact allows the foot to redistribute loads thus giving superior performance across uneven ground and when cornering. The inbuilt Vertical Compliance provides a shock absorbing reflex action similar to a shock pylon without the extra weight, cost or complexity.  The cosmetic finishing is easier than our competitors.

What K-Levels would you suggest for this foot?
K3- K4:  low impact to high impact

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ESPRIT FOOT
TECHNICAL QUESTIONS

What weight limits do you have on the foot?
Springs are available up to 275 lbs. depending on daily activity levels, patient weight and size of foot – please refer to selection guide. 

What size limits do you have on the foot?
Foot shells available size 22 to 30 left and right. 3/8 heel height.

What’s the weight?
Size 25 including foot shell: 520 grams

What’s the clearance?
Build height is 70mm (approx 3 1/8”)

How would you suggest cosmetically finishing this foot?
The Esprit is supplied with a cosmetic top plate to allow for easy attachment and removal of the shin foam.

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ESPRIT FOOT
SERVICE QUESTIONS

What’s the turn around time when an order is placed?
All standard configurations are available from stock.  Orders received before 4:00 pm Eastern time, are shipped the same day.

What is the Warranty?
36 months on springs and chassis; 12 months on foot shell;  6 months on spectra sock; 60 days No Questions Asked return policy.

Is there a trial period?
60 days No Questions Asked Return policy 

What is your return policy?
All products to be returned need an Endolite return authorization number. Within 60 days no questions asked. After 60 days returns must be evaluated under warranty.

How do I select a foot?
Order simply by providing the amputee weight/ activity profile and foot size /side. A selection guide is also available.

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ESPRIT FOOT
GENERAL QUESTIONS

What L-Codes does Endolite suggest we use?
Our testing shows that the Esprit complies with L5981. 

What K-Level would you suggest for this foot?
K3

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NAVIGATOR FOOT
TECHNICAL QUESTIONS

What type of testing was performed on the foot?
The foot is tested to ISO 10328 A125 load levels for the appropriate ankle combination.

What weight limits do you have on the foot?
Up to 275 lbs. – refer to selection guide.

What sizes limits do you have on the foot?
Foot shells available in sizes 22 to 30, left and right.

What’s the weight?
Size 25 including foot shell weighs 560 grams

What is the clearance?
Build height is 3 ½”

Why is the keel so short? 
The rocker style keel in combination with the integrated TPE rollover plate in foot shell has been scientifically measured and proven for smooth rollover characteristics.

How do I change the ankle assembly?
Using a foot horn remove the keel from the foot shell, at the heel region.  Remove glide sock, turn keel over, using 5mm allen key and counterclockwise motion to remove bolts.  Remove top housing and ball assembly, replace with new ball assembly, using 1 screw to centrally align ball stem in keel.  Replace top housing, apply Loctite 243 to screws, insert in keel, tighten in a diagonal pattern to pull together evenly.  Torque to 15Nm.

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NAVIGATOR FOOT
SERVICE QUESTIONS

What’s the turn around time when an order is placed?
All standard configurations are available from stock.  Orders received before 4:00 pm Eastern time, are shipped the same day.

What is the warranty?
36 months on the keel, 12 months on the ankle ball, snubber and foot shell.

Is there a trial period?
60 days No Questions Asked Return Policy

What is your return policy?
All products to be returned need an Endolite return authorization number.  Within 60 days, no questions asked.  After 60 days returns must be evaluated under warranty.

How do I select a foot?
Order by simply providing the amputee weight, activity profile, foot size and side.  A selection guide is also available.  Contact Endolite Customer Service to assist with ankle, snubber choice

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NAVIGATOR FOOT
GENERAL QUESTIONS

What L-Codes does Endolite suggest we use?
L5972 – flexible keel
L5986 – multi-axial rotation unit

What K-Level would you suggest for this foot?
K2

Can amputees wear sandals with this foot?
Yes.

Do you recommend filling in foot shell with expanding foam?
No, not necessary and we don’t recommend. 



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SMART IP
TECHNICAL QUESTIONS

How does the SmartIP compare to the SmartAdaptive, and other MPK’s?
The SmartIP is a microprocessor controlled pneumatic swing phase unit, offering up to five variations in walking speeds.  The SmartIP utilizes a weight activated mechanical braking mechanism for stance control.  It more closely matches the function of our original IP+.  The SmartAdaptive and other MPK’s are higher end microprocessor knees, utilizing microprocessor controlled hydraulics for stance control, providing a wider range of programs for stability.

Do I need a programmer?
No the SmartIP is self programming.

How many steps does it take to complete the programming cycle?
Approximately 12 steps to calibrate the limb, and approximately 200 steps to program the varied walking speeds.

What is the range of walking speeds?
The SmartIP will detect up to five variable walking speeds.

Will all amputees experience all speeds?
No, the SmartIP will only adjust to the variation in the amputees walking speeds.

Is the Stanceflex feature adjustable?
Yes, the knee is fit with the standard medium stanceflex bumper, alternative bumpers are available to soften or stiffen the stanceflexion. 

Is this available with a 4 bolt chassis?
Yes, however you do not receive the stanceflex benefits or coding.

What type of stance control does the SmartIP have?
The SmartIP utilizes a weight activated braking mechanism for stance control.

Is there an energy savings with the SmartIP?
Yes, studies have shown microprocessor controlled pneumatic units reduce energy expended (Vo2) by as much as 6% over standard pneumatic units.  Pneumatic swing has proven less energy consumption.  Independent test show this be to equivalent to the energy savings experienced with other MPK’s.

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SMART IP
SERVICE QUESTIONS

How long will the battery last? 
9 – 12 months under normal use.

Where can I purchase replacement batteries?
Standard size 123, 3V lithium camera battery can be purchased at any local camera store.

What is the warranty?
24 months, excluding batteries.

What is your return policy?
60 days no questions asked return policy, returns beyond 60 days will only be accepted for warranty repair, or replacement.

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SMART IP
GENERAL QUESTIONS

What L-Codes does Endolite suggest we use?
L5857, L5845, L5830, L5616, L5920 & L5950, note: L5845 is not suggested for 4 bolt modules.

What K levels would you suggest for the SmartIP?
K3

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BRIO
FREQUENTLY ASKED QUESTIONS

Is there an L-code?
L-5990 is a code that has been used for feet with the adjustable heel height feature. Some Medicare Regions and other providers have discontinued use of this code.  For these amputees it is possible to submit an ABN, allowing the patient to cover the cost of the BRIO. 

Can the Brio be used with any foot? 
Yes, the female pyramid receiver allows for attachment to any male pyramid topped foot.

How does the Brio adjust?
Press the button to free the pivot, release the button and the BRIO locks in the desired position.

What is the range of adjustment?
Approximately 1 ¼” on size 26cm foot.

What is the weight?
390 grams

What is the clearance?
4”

What is the weight limit?
275 lbs

What is the warranty?
2 years

Is there a trial period?
60 day no questions asked return policy.
Returns beyond 60 days will only be accepted for warranty repair, or replacement.

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SMART ADAPTIVE
FREQUENTLY ASKED QUESTIONS

Why an Adaptive Hydraulic Stance & Pneumatic Swing Control?

The Adaptive Prosthesis, with the aid of fine microprocessor controls in real time, is able to differentiate between cadence variation speed, slopes, stairs, standing and stumble recovery, then give exactly the amount of support that the individual requires for that situation. This will allow the wearer to walk more naturally than they would with a prosthesis that had only one or two levels of assistance. 

The Adaptive actively promotes voluntary control, a healthy residuum, which results in a very natural gait under most conditions. Alignment and residuum strength are used to help maintain stability. When fitted with an Adaptive Prosthesis the amputee’s own muscular power is utilized for optimum control hence eliminating any long term atrophy or short term fatigue problems associated with the extra physical effort expended controlling unstable knees. Stumbles are detected by premature knee flexion, increasing to the preferred hydraulic resistance which the patient feels is appropriate. The resulting microprocessor adjusted control allows immediate unobtrusive support, helping the amputee become more confident to encounter every day challenges.

The pneumatic section has proven energy cost savings. This part of the cylinder actively extends the prosthesis reducing the need for wearer to actively extend the prosthesis. It is particularly good when cadence is varied as happens during normal daily living, shopping, walking the dog, etc.

The use of the shock-torsion device which absorbs rotational and vertical shock loads will increase wearer comfort and has proven additional energy cost savings for trans-tibial wearers when walking faster than preferred speed, and you can  expect energy savings for trans-femoral too.  This will give the wearer confidence to stay with the crowd, use less energy, and place fewer restrictions on their life than other similar prostheses.

A support mode can be programmed into the Adaptive for additional support at heel strike and automatically releases at approximately 800 milliseconds before knee flexion occurs thus reducing the chance of roll over restriction.  The support mode is active for 75% of rollover, enabling an amputee with less voluntary control to feel more stable while learning to become a proficient walker.  The increased resistance can be changed and optimized for each individual and is an option inside the advanced program mode.

In contrast, the current knee control systems commercially available to trans-femoral amputees fall into two main categories: those that provide a high degree of stabilisation during normal use, to the extent that the control system dictates the amputee’s gait thus prohibiting optimum function and reducing residual musculature control; and those that provide no stabilisation, therefore relying totally on the combination of muscular power and geometric stability.

The Adaptive Prosthesis is the first system to actively exploit the middle ground between these two types of system, supplementing the amputee’s muscular power and geometric alignment with additional support where and when required. Due to the wireless programmable nature of the control system the knee stabilisation can be reduced with time if need be, as the amputee’s own musculature control develops.

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