Freedom Innovations Plie3 MPC Knee User manual

R-720-190 Rev. D English 1
INSTRUCTIONS FOR USE
MICROPROCESSOR KNEE

R-720-190 Rev. EEnglish 2
Product Name: Plié3 MPC Knee
Table of Contents
Components
3
1. Important Information
4
1.1 Indications
1.2 Contraindications
2. Symbols Used
4
3. Safety Precautions
5
Battery and Battery Cap
4. Alignment and Setup
6
4.1 Alignment
4.2 Bench Alignment
4.3 Static Alignment
4.4 Dynamic Alignment
4.5 PliéControl 6
4.6 Plié3 Setup
4.7 Finishing Options
4.8 Technical Support
5. Warranty and Service
9
5.1 Service and Repair
6. Technical Specifications
9
6.1 Device Information
6.2 Battery Information
6.3 Environmental Conditions
6.4 CE Conformity

R-720-190 Rev. EEnglish 3
Plié® 3 MPC Knee Components
1. Plié 3 MPC Knee Pyramid Top Standard Black Cover
2. Plié 3 MPC Knee Wireless USB Adapter
3. Plié 3 MPC Knee Lithium Ion Battery Case
4. Plié 3 MPC Knee Software CD V6
5. Plié 3 MPC Knee Litium Ion Battery (2 pc)
6. Plié 3 MPC Knee Battery Charger with Car Adapter
7. Plié 3 MPC Knee Air Pump with Hose Adapter
8. Plié 3 Smooth Hose Adapter for Air Pump

R-720-190 Rev. E English 4
1. Important Information
The Plié® 3 MPC Knee is a single axis prosthetic knee joint system providing microprocessor
control of both the swing and stance phases of gait. The microprocessor monitors an
embedded load sensor and an angle sensor to precisely control the transitions between the
stance and swing phases of gait. Three manual settings allow the hydraulic cylinder to provide
adjustable resistance for Stance Flexion, Swing Flexion, and Swing Extension. The hydraulic
cylinder also provides non-adjustable stance extension resistance. The Plié Control software
allows the knee function to be optimized for each individual user’s gait, including the stumble
recovery parameters. The Gait Lab software provides the prosthetist with access to recorded
data files of the microprocessor for analysis and documentation.
1.1 Indications
The Plié® 3 MPC Knee is intended for use as a component in a prosthetic leg for individuals with
lower-limb loss including:
•transfemoral amputees
•knee disarticulation amputees
•hip disarticulation amputees
•individuals with congenital lower-limb abnormalities
The Plié 3 MPC Knee is appropriate for users who would benefit from the safety inherent in the
stability of a microprocessor controlled knee. These users should also have the ability or have
the potential to:
•negotiate obstacles in the community or workplace
•exert sufficient hip joint or pelvic voluntary muscle control
•ambulate with variable cadence
•descend stairs and ramps
1.2 Contraindications –Do not use Plié 3 MPC Knee on users with
insufficient hip joint or pelvic voluntary muscle control
insufficient cognitive ability to charge the batteries and care for the device
body weight exceeding 125 kg (260 lbs.) for moderate activity
body weight exceeding 100 kg (220 lbs.) for high activity
2. Symbols Used
CE MARK (European conformity)
Caution Symbol! Failure to adhere to this warning may result in user injury,
knee damage, or limit the device the function.
Type BF Applied Part used on device
Federal Communications Commission (USA conformity) used on device

R-720-190 Rev. EEnglish 5
A device should not be disposed of in regular wastes at the end of its usable life
under WEEE Directive on waste electrical and electronic equipment guidelines.
Used on device.
3. Safety Precautions
Failure to follow the safety precautions can result in device malfunctioning and
risk injury to the user.
3.1 Battery and Battery Cap
3.1.1 Follow the Plié 3 owner Guide on battery handling and charging.
3.1.2 If power is lost from the Plié 3 knee, it will default to the Stance Flexion resistance
setting and will not release into swing.
3.1.3 Insert a charged battery when the Plié 3 MPC Knee low battery indicator is visible
(symbolized by red blinking light visible on the left side of the knee viewed from
posterior) prior to complete power loss to prevent potential personal injury.
3.1.4 Use ONLY compatible Plié 3 MPC Knee batteries and charger.
3.1.5 Store spare battery in the battery case to avoid the risk of battery short circuit.
3.1.6 Use a lint free cloth with or without isopropyl alcohol to wipe the battery compartment
area and gasket on the bottom side of the cap (see pictures below). These areas need
to be debris and lint free.
Battery Compartment Area
Gasket on Bottom Side of Cap
3.1.7 Battery Cap Opening & Closing
                
            Do not submerse
the knee in water when the battery cap is  at any time.

R-720-190 Rev. E English 6
Cap is Closed, Locked and Watertight
Cap is Unlocked and Opened
3.1.8 The following pictures show the proper steps to open and close the baery cap.
Steps to Open or Close the Cap
4. Alignment and Setup
Follow the Prosthet Setup Guide to properly align and adjust the device. Two installaon
programs, Plié Control and Plié Gait Lab, are provided to opize the computer sengs for
each paent. Verify the computer system minimum requirements before soware installaon
(MicrosoWindows 7 or later operang system, 1.0 MHz Processor, 256K RAM and USB Port).
To Open: Press down latch. (The cap will spring open).
         

R-720-190 Rev. EEnglish 7
4.1 Alignment
Careful attention to the alignment of the socket in relation to the Plié® 3 MPC Knee and the
prosthetic foot is essential for a successful user outcome. The prosthesis alignment should
account for the range of motion (ROM), voluntary control, and balance of individual users.
Proper alignment and user voluntary control are essential to the optimal function of the
prosthesis.
Prior to assembly of the prosthesis, the prosthetist should measure the patient’s hip joint range
of motion (ROM) on the prosthetic side to determine if the user has a hip flexion contracture
(Figure 1). If present, the user’s hip flexion contracture should be accommodated by attaching
the socket to the prosthesis with an appropriate amount of flexion (Figure 2). Failure to
sufficiently accommodate a hip flexion contracture can compromise the patient’s function
during standing and ambulation (Figures 3 and 4).
During standing, an unaccommodated hip flexion contracture may prevent the patient
from standing straight, compromising the patient’s balance (Figure 5). Additionally, an
unaccommodated hip flexion contracture can cause excessive lumbar lordosis,
compromising the structural integrity of the patient’s spinal column (Figure 4).
During ambulation, an unaccommodated hip flexion contracture can cause an
excessively asymmetrical gait pattern.
4.2 Bench Alignment
The Plié® 3 MPC Knee should be in a fully extended position during stance phase for level
ground ambulation. An inherently stable trochanter-knee-ankle (TKA) alignment is essential to
a successful user outcome with the Plié MPC Knee. The referenced trochanter on the lateral
socket should be placed on or up to 5mm anterior to the knee joint axis (Figure 5).
An inherently unstable trochanter-knee-ankle (TKA) alignment can cause a rapid
extension moment at the knee joint after mid stance. The non-adjustable stance
extension resistance could be insufficient to dampen the extension moment if the
user does not exert sufficient voluntary control and/or if the alignment
recommendations are not implemented.
The recommended inherently stable alignment of the Plié 3 MPC Knee may differ
from other knee joints. Consequently, if a new socket is not fabricated for use with a
Plié 3 MPC Knee, the socket attachment component may require re-lamination to the
socket to achieve the recommended alignment
4.3 Static Alignment
4.3.1 Instruct the user to stand between parallel bars.
4.3.2 With equal weight on each limb, adjust the height of the prosthesis as necessary.
4.3.3 Ensure the trochanter-knee-ankle (TKA) alignment follows the recommendations of
inherent stability.

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4.3.4 Ensure the transverse rotation of the knee and foot is appropriate.
4.3.5 Instruct the user to sit in a chair. Adjust the height of the knee joint axis to match the
contralateral limb as closely as possible.
To prevent risk of injury to the user, perform the static alignment, dynamic alignment,
and set-up between parallel bars.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
4.4 Dynamic Alignment
4.4.1 Instruct the user to take a lunge step with the prosthesis. The lunge motion will allow
the user to feel the Stance Flexion resistance and develop confidence. Repeat as
necessary.
4.4.2 Instruct the user to carefully ambulate. Teach the user to flex the ipsilateral hip
extensor muscles at initial contact to stabilize the knee joint.
4.4.3 Train the user to load the prosthetic toe to initiate the swing phase transition.
4.4.4 Train the user to take steps of equal length.
4.4.5 Adjust the alignment in the transverse, coronal and sagittal planes as necessary.

9
4.5 Plié Control 6
The Plié Control 6 software is required to program a Plié 3 MPC Knee. Download software from
the CD provided with the knee or from the Freedom Innovations website to install the program
at https://www.pliesupport.com/download.
4.6 Plié 3 Setup
Thoroughly read and follow the instructions as stated in the Prosthetist Setup Guide and Plié
Setup Wizard to set up and program the knee. Utilize the “Help” function in the Plié Control
software to assist any issues that may arise.
4.7 Finishing Options
4.7.1 A discontinuous, two-piece cover is recommended for cosmetic finishing. Care should
be taken to ensure that the battery compartment and manual adjustments are
accessible. See catalog for Cosmetic Cover Kit.
4.7.2 For individuals who prefer a one-piece skinned cover, a remote access battery pack can
be purchased from Freedom Innovations. See catalog for One Piece Skin Cover
Accessory Kit.
4.8 Technical Support
For Technical Support, please contact Freedom Innovations toll-free at 1-888-818-6777.
5. Warranty and Service
The Plié® 3 MPC Knee purchase includes a 36 month warranty covering all manufacturer
defects effective only if the product is used according to manufacturer recommendations. The
batteries, battery charger, and accessories are provided with a 12 month warranty. An
extended warranty is available. See product catalog for details.
5.1 Service and Repair
For the warranty to remain in effect, the knee must be serviced 12 and 24 months after
purchase. For knee service or repair, please contact Freedom Innovations toll-free at 1-888-
818-6777. A loaner knee will be provided upon request. For service and/or repair, please ship
the knee in the provided shipping case to the following address:
Freedom Innovations
425 East 400 North (PO Box 50)
Gunnison, UT 84634
European Head Office
Jaargetijdenweg 4
7532 SX Enschede
The Netherlands
Approximately 1235 g or 2.7 lbs.
Approximately 1243 g or 2.74 lbs.
Approximately 9.25” or 235mm
Approximately 8.75” or 223mm
6. Technical Specifications
6.1 Device Information
Product weight (pyramid top):
Product weight (threaded top):
Build clearance (pyramid top):
Build clearance (threaded top):
Maximum flexion angle:
R-720-190 Rev. EEnglish
125° (pyramid top) and 117° (threaded top)

R-720-190 Rev. E English 10
6.2 Battery Information
Operating voltage:
3.6 –4.2 VDC
Charger input voltage:
12 VDC
AC power adapter input voltage:
100-240 VAC, 50/60 Hz
Battery life:
Approximately 24 hours depending on use
Air Valve:
Exchangeable
6.3 Environmental Conditions
Battery temperature range for charging:
8° C to 38° C (46° F to 100° F)
Storage and shipping temperature range:
-20° C to 80° C (-4° F to 176° F)
Operating temperature range:
-5° C to 45° C (23° F to 113° F)
Storage and operating relative humidity range:
0% to 100%, including condensation
Storage and operating pressure range:
500 hPa to 1060 hPa (7.3 psi to 15.4 psi)
Water and Dust Resistance:
IP67, Totally protected against dust (6) and
Protected against the effect of immersion
between 15cm and 1m (7)
6.4 CE Conformity
The electronic of Plié 3 MPC Knee System is tested and certified to comply with the MDD
93/42/EEC (EN 55011 Class B and EN60601-1 and EN60601-1-2), STSI EN 300-328 under R&TTE
Directive 1999/5/EC and, ISO10328. The device complies with Part 15 of the FCC Rules and
carries the CE mark
6.5 Authorized Representative
Advena Ltd.
Pure Offices
Plato Close, Warwick, CV 34 6 WE
United Kingdom
Freedom Innovations, LLC
3 Morgan, Irvine, CA 92618-
1917
949.672.0032 (Phone)
888.818.6777 (Toll Free)
www.freedom-innovations.com
European Head Office
Jaargetijdenweg 4
7532 SX Enschede
The Netherlands
[phone]
00800-2806 2806 (Toll Free)