uniprox JT05 User manual

JT05, JT09
Monocentric Knee Joint
unique prosthetic solutions
A company of the Bauerfeind GroupEin Unternehmen der Bauerfeind Gruppe – www.uniprox.de
Rev. 3 2022 01_JT05_JT09_101735
Qualität und Funktion
Gebrauchsanweisung
Instruction Manual
Uniprox GmbH & Co.KG
H. Heine Str.4
07937 Zeulenroda Triebes
Tel. [phone]
Fax [phone]
E Mail info @uniprox.de

Please read the IFU carefull before fitting. Onl correct usage will
warrant the function.
1. Intended Use
The knee joints are the connection between a prosthetic socket and a modular
prosthetic limb prosthesis with monocentric knee function.
2. Technical Data
•Load dependent brake for stance phase protection
•Spring extender to support the extension
•Rear shifted axis
•Connection proximal: pyramid
•Connection distal: JT05 pyramid
JT09 34 mm tube connection
•Max. weight: JT05 100 kg
JT09 150 kg
•Mobility level: 1 und 2
2.1 Service parts for JT05
2 3
Order-No. Material Installation height
(above the axis
center of rotation)
Weight Flexion
angle
Article number
JT05 St Steel 27 mm / 56 mm 530 g 170 ° 4 130 010 00 22 000
JT05 Ti Titanium 27 mm / 56 mm 355 g 170 ° 4 130 010 00 33 000
JT09 Aluminum 26 mm / 117 mm 890 g 145 ° 4 176 010 01 00 000
Order-No. Description Article number
E JT05 01 Brake Bushing for K5 4 130 009 01 00 000
E JT05 02 Bushing Safety Device for K5 4 130 009 02 00 000
E JT05 03 Axis Screw for K5 4 130 009 03 00 000
E JT05 04 Extension Stop, distal for K5 4 130 009 04 00 000
E JT05 05 Rubber bumper 4 130 009 05 00 000
E JT05 06 Brass washer, small, 2 pieces 4 130 009 06 00 000
E JT05 07 Swing axis holding device 4 130 009 07 00 000
E JT05 08 Swing axis 4 130 009 08 00 000
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2.2 Recommended attachment for JT09
A4 Ti400 Tube adapter 34 mm, length 400 mm
A30 34 mm Clampfit to 30 mm tube
3. Indication/ Contraindication
Indicationen:
•Transfemoral amputation
Contraindicationen:
•not known
4. Side effects
There are no known side effects.
5. General safet instructions
•This medical device is designed for single patient, multiple use.
•Fitting/service of this medical device is only allowed by a certificated orthopedic
professional.
•The professional should instruct the correct use of the device to the user.
•The joint must be protected against dust, moisture, aggressive media, and
mechanical forces so its function is not affected.
•The joint is intended for use at temperatures from 10°C to 50°C.
Order-No. Description Article number
E JT05 09 Brass washer, large, 2 pieces 4 130 009 09 00 000
E JT05 10 Extension stop, superior 4 130 009 10 00 000
E JT05 11 Extension assist for JT05 complete 4 130 010 00 00 001
E JT05 16 Extension assist cable, lenght 304 mm 4 130 019 05 00 000
E JT05 17 Centering ring 4 130 009 12 00 001
Order-No. Material Weight limit Weight Article number
A4 Ti400 Titanium < 150 kg 435 g 4 113 050 34 33 400
Order-No. Material Weight limit Weight Article number
A30 Aluminum < 100 kg 91 g 4 610 070 00 00 008
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4 5
•Do not longer use the knee joint if its function is impaired. This may be due to
stiffness, restricted extension, noise generation, faulty swing phase control or
stance phase safety, as well as impact from an external force (for example, if
dropped). In such cases, it must be checked by a professional and, if necessary,
sent to Uniprox GmbH & Co. KG.
•There is a risk of jamming when the joint is in use.
•The product must not be changed or applied in any improper way. Non compliance
can impair the function of the product and thus no liability will be accepted.
•The safety of the user is not guaranteed if the product is not used for its intended
purpose. This will also terminate the warranty of the product.
•Joint components may heat up slightly during walking.
•Silicone spray should be used to prevent noises being generated by contact
between the cosmetic foam and knee joint. Do not use Talcum powder as it removes
lubricant from the bearings and may lead to impaired function as a result.
6. Construction and assembl instructions
JT05 and JT09:
The starting point for a correct structure is the
determination the individual load line and the
transfer of forces to the components of the
prosthesis according to the assembly guidelines
shown (see graphic). The knee axis is 15 mm behind
the assembly reference line and the foot part in
the middle third of the foot.
JT09:
The 34 mm tube clamp of the JT09 must be secured
with Loctite® 222 and tightened with a 4 mm hex wrench.
The torque is 6 Nm.
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Adjustment of Swing and Stand Phase
The modular stance control knee joint is delivered with optimal setting. Stance and
swing phase can be controlled by adjusting the extension assist, the friction and the
weight controlled locking mechanism.
Strictl follow the instructions below before changing the preset
adjustments.
6.1 Setting the swing phase control of the feeder
JT05: Adjust the tension of the advancing springs by turning the setscrew.
•Use a 4 mm allen key.
•Turn to the right: increase tension
•Turning to the left: decrease tension
Please notice that the linkage has to be mounted correctl .
JT09: The tension of the integrated spring feeder can be adjusted by turning the
adjusting wheel.
•Turn to the right: decrease flexion resistance
•Turn to the left: increase flexion resistance
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6 7
6.2 Adjusting the joint mobilit b adjusting the axial friction
JT05 and JT09:
The resistance to movement between the knee axis and the brake socket can be
changed with the threaded pin on the back of the joint head and must be done
carefully.
•Use a 3 mm allen key.
•Turning to the right: movement harder
•Turning to the left: movement easier
Even with a slight rotation of 15 20 ° noticeable changes are achieved. Setting it too
smoothly can lead to noise and premature wear. If the setting is too tight, the braking
effect occurs even when there is no load and there is a risk of falling.
Please readjust the friction of the axis after 6-8 weeks.
6.3 Regulating the load-dependent braking effect
The brake response threshold can be regulated using the adjusting screw on the flexed
joint. In order to be able to understand the setting optimally, the Provide the
adjusting screw and the joint with a scale.
•Use a 4 mm Allen key.
•Turning to the right: joint brakes less
•Turning to the left: the joint brakes harder
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7. Maintenance and Cleaning
The function of the prosthetic knee joint must be checked at regular intervals of no
more than 12 months.
For very active users, we recommend carrying out inspections at shorter intervals.
Maintenance or repair must be carried out when necessary.
The knee joints can be cleaned with a mild cleanser and a
damp cloth at >30°C.
Do not use any aggressive cleansers.
8. CE- Conformit
The product satisfies the requirements of Regulation (EU) 2017/745 of the European
Parliament and of the Council (MDR) and bears the CE mark. All major incidents related
to the product needs to be informed to Uniprox and the competence European
Authority.
9. Warrant an Guarantee
Depending on the degree of usage, the knee joints can generally be used for 5 years
with regular maintenance.
Warranty is provided under the terms of sale and supply of Uniprox GmbH & Co. KG
provided that the above conditions are met.
10. Storage and Disposal
This product has no special storage regulations.
The product is disposable with standard household garbage.
Please direct an questions to:
Customer Service: + 49 (0) 36628 66 33 70
Fax: + 49 (0) 36628 66 33 77
E mail: [email protected]
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