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Orthopaedic, Trauma & Prosthetics
Wonderful FB-02

✓ Certified Professional Seller

Wonderful Orthopaedic, Trauma & Prosthetics

Wonderful FB-02

Product Code: OTAP-PLAC-4037

One hydraulic knee your whole team learns once and fits with confidence.

Teach one knee well and every clinician on the rota can fit it. The FB-02 paces the swing with oil, weighs 800 g in aluminium, bends to 135° and carries a 125 kg load weight, which makes it a practical model to build induction and refresher sessions around.

Sections

Prosthetic Feet & Knees

Categories

Orthopaedic, Trauma & Prosthetics

Condition

New

Origin

China

Seller Type

Certified Professional Seller

CE & ISO Certified

Global Shipping

Supplier: Medigear

Training is the cost to plan around with Wonderful's FB-02, a hydraulic prosthetic knee joint for transfemoral limbs. Its sheet has five lines: the code with a mass of 800 g, the name, a load weight of 125 kg, a material line of AL for aluminium, and a knee flexion range of 135°. The Chinese name, 液压膝关节, means hydraulic knee joint and does not indicate the linkage type. Nothing in the knee is electrical, and no lock is described.

A hydraulic knee requires training. Someone must know where the cylinder is adjusted, what a sound swing looks like and which faults send the unit back. A service that adopts the FB-02 as its shared fleet model teaches those things once. That means one induction for a newcomer or rotating clinician, one refresher cycle, one set of adjustment notes and a mentor who has fitted it before. No hours saved have been measured, and the gain exists only if the service chooses to standardise. What it buys is consistency: a wearer gets the same set-up from whoever is on duty.

The photograph shows a black, enclosed unit with a short pale fitting on top and a block-shaped upper housing. Beneath that housing, a narrower body tapers to a rounded end and carries an orange patch beside pale lettering. Standard supply is the knee alone. Oil in the cylinder paces the swing of the shin, and 125 kg is the ceiling for any limb built on this knee; however, the other parts are rated. The instructions for use show the adjustment points.

The height and both connections come from the manufacturer's drawing, which is provided by the enquiry team. Medigear. UK offers it to buyers in more than 80 countries, and the enquiry team provides stock and lead time.

The FB-02 belongs in transfemoral limbs issued by a service that wants one hydraulic knee its staff all know. Wearer weight, with any load the instructions count, must sit within 125 kg for the finished limb.

Three kinds of service gain from that choice. A limb-fitting centre with rotating clinicians can put every new starter through the same session and expect the same set-up from each of them afterwards. A private clinic with two or three prosthetists can share one notes sheet, so cover during leave does not mean relearning a knee. Training schools and outreach programmes can teach hydraulic adjustment on a single unit that students will then meet in practice.

Workforce data explain why the question is worth asking. A 2024 study in Human Resources for Health put the UK prosthetic and orthotic workforce at about 1,766 people. Of the prosthetists and orthotists who answered its survey, 34% said they definitely planned to remain for five more years. A small workforce with that outlook will keep inducting new people, although the study measured no effect of standard equipment on training.

For the wearer, the knee type has guideline support. A 2019 clinical practice guideline on prosthetic knee selection indicated hydraulic or pneumatic swing resistance for active walkers, on the grounds of comfort, speed and symmetry. That finding concerns a class of knee. It was not a test of this model, whose own behaviour is described in its instructions for use.

Two groups fall outside the brief: wearers who need a lock, and anyone above the limb's rating.

NHS trusts in England buy prosthetic components through a mandated framework, and public buyers in other countries follow their own purchasing routes. The conformity documentation those procurement routes require is issued by the manufacturer and shared by the enquiry team.

One induction for every newcomer

A single session plan covers each new or rotating clinician. Its content stays stable from one intake to the next, because the knee it teaches does not change.

One set of adjustment notes

A shared sheet records the team's starting settings and test routine for the FB-02. Any clinician picking up a wearer's file can read how the knee was set and why.

A mentor already in the building

After a few fittings, the service has someone who knows this unit by hand. New staff learn beside that person and are countersigned on a first case.

One refresher cycle to run

Revision sessions deal with a single hydraulic model, its instructions and its fault signs. A dated record of each session supports professional development files.

The same set-up from every clinician

Wearers are often reviewed by whoever is on duty. When all staff work from the same method, a setting changed on Tuesday makes sense to the colleague who sees the limb on Friday.

Oil-paced swing for walkers who vary their speed

Published guidance indicates fluid swing resistance for active walkers. The cylinder gives the team an adjustable swing to teach and to tune for each wearer.

800 g in aluminium

The printed mass is modest for an oil-filled unit, and it is a fixed figure for limb planning. Trainers can hand the knee round a room without difficulty.

A clear 125 kg ceiling

One number sets the limit for every limb built on this knee. Staff need to remember only that figure, and to check that no other part sits below it.

No electrical content to teach

There is no battery, charger or software in the knee. Induction stays on alignment, adjustment and inspection, and electrical safety testing never enters the schedule.

Hydraulic swing control

The sheet names the knee hydraulic in English and in Chinese. Oil moving through the cylinder resists the shin as it swings, which steadies the lower leg at different walking speeds.

Adjustment points

Where the cylinder is adjusted, and what each adjuster changes, is shown in the instructions for use. Those pages are the core of any induction on the knee.

125 kg load weight

The sheet prints "Load Weight:125Kg" and nothing further. Its ISO 10328 loading level is recorded on the manufacturer's test report, which the enquiry team shares.

System rating

Every limb takes the rating of its weakest structural part. With this knee fitted, the limb cannot exceed 125 kg, and a lower-rated tube, adapter or foot reduces it again.

800 g mass

This figure sits in brackets after the code. The quotation says whether it includes any connector supplied with the knee.

135° knee flexion range

Flexion reaches 135° as printed, enough for sitting in low chairs and car seats. A socket brim or cosmetic cover may shorten the usable range on a finished limb.

Aluminium construction

"AL" is the complete material line. The alloy, and which parts are made from it, are listed on the manufacturer's material certificate.

Linkage type

Neither language version of the name says whether the joint turns on one axis or several. The pivot layout is drawn on the manufacturer's drawing, and it affects how the knee is aligned.

Enclosed black body

In the photograph the unit is black and closed over, with no cylinder or frame on view. The drawing identifies the outer layer and how it is removed for service.

Block-shaped upper housing

The upper part in the photograph is wider than the body below and has a flat grey face on one side. Its purpose is explained on the drawing.

Top fitting

A short, pale metal fitting stands on the upper end in the image. The drawing names the proximal connection and the socket adapter that suits it.

Orange patch and lettering

The lower body in the photograph carries an orange patch and pale lettering set at an angle. Ask for the manufacturer's description of that marking if visible branding matters to the wearer.

Rounded lower end

The pictured unit closes in a rounded base. Tube size or adapter type for the distal connection is specified on the drawing.

Behaviour under load

What the cylinder does when body weight bends the knee on stairs or slopes is a matter for the instructions for use. Stair and ramp teaching should follow that text.

Unpowered construction

The knee has no electrical parts. It needs no charging routine and sits outside electrical safety testing.

Manufacturer's quality statements

An ISO 13485 quality management system and CE certification are both described on Wonderful's website. The certificate, its scope and a declaration naming this code are issued by the manufacturer and shared by the enquiry team.

Choose the FB-02 where a service is ready to name one hydraulic knee as its common model and to train every clinician on it. Limb-fitting centres with rotating staff, small clinics that cover for each other and teaching programmes all fit that description. It is the wrong choice for a wearer who needs a lock, for a limb that must carry over 125 kg, and for a team that would fit it too rarely to stay practised. Decide three things locally: who mentors, what the notes sheet says and when refreshers fall. Then gather the documents the training depends on.

Medigear.uk lists the FB-02 for business buyers worldwide and can arrange delivery, installation, commissioning, familiarisation and service cover. Ask the enquiry team for the instructions for use, drawing, ISO 10328 test report, maintenance schedule and declaration of conformity before ordering.

FAQ

Frequently Asked Questions

Everything buyers need to know about sourcing medical equipment through MediGear.

Because the knee is only as good as its setup; a hydraulic cylinder has adjustments that change how the shin swings, and a clinician who has never met the unit will set it by trial and error. Planning who teaches it, from which document and how often turns a purchase into a skill the service keeps.

Start with the manufacturer's instructions for use, read in full. Then cover bench alignment, the location and effect of each adjustment, the torque values for the connections, the checks made at a review visit and the signs that mean the knee should come out of service. Finish with one fitting under supervision. The enquiry team shares the instructions and training required for this session

No published study measures a time saving, and this page does not claim one. The case rests on competence. Staff who fit the same unit week after week meet its behaviour often enough to recognise a poor swing or an early fault. That benefit appears only where a service decides to make the FB-02 its common hydraulic model.

Set the cycle locally, and tie it to events as well as to the calendar. A new edition of the instructions, a staff change, a fault report, or a long gap since someone last fitted the knee are all sound triggers. In the UK, prosthetists are registered with the Health and Care Professions Council, whose standards expect continuing professional development, so a dated refresher record has a second use.

Choose a clinician who has fitted the FB-02 several times and has seen it through at least one review. Their job is to watch a first fitting, explain why each setting was chosen and countersign the notes. If no one yet has that experience,do do the first two or three fittings in pairs, with the manufacturer's instructions open on the bench.

Write one page that any clinician can follow. It should list the starting settings the team uses, the order in which adjustments are made, the walking tests applied and the wearer feedback that prompts a change. Add the torque values from the instructions, the serial number field and a space for the fitter's name. Keep one version, dated, and withdraw the old copies.

A 2024 study in Human Resources for Health counted about 1,766 people in the UK prosthetic and orthotic workforce. Only 34% of the prosthetists and orthotists surveyed said they definitely planned to stay for the next five years. Those figures describe a small profession with turnover to plan for, and they say nothing about any product. Separately, a 2019 clinical practice guideline indicated knees with hydraulic or pneumatic swing resistance for active walkers, citing walking comfort, speed and symmetry. Neither source tested the FB-02.

It sets the upper limit for the limb. A prosthesis is rated at its lowest-rated structural part, so a limb built on this knee carries 125 kg at most, and less if a tube, adapter or foot is rated lower. The sheet prints one figure, and the manufacturer's test report gives the ISO 10328 loading level behind it.

The photograph shows an orange patch and pale lettering on the lower body, but it's too small to read reliably. LThisind of lllettering isusually a ttrademarkor product name, and it would be visible on any limb finished without a cosmetic cover. Ask the enquiry team for a clear product image and the manufacturer's written description of the marking.

A wearer who needs a lock for standing or transfers should have a joint that provides one. Anyone above 125 kg, including carried loads the instructions count, is outside the rating. The training argument also fails for a service that fits a hydraulic knee once a year, since skills fade between cases. How the cylinder behaves under load on stairs and slopes is described in the instructions for use, and that description should be read first.

The FB-02 is typically Class I under UK MDR 2002, or higher depending on use, as stated on the manufacturer's declaration of conformity, which the enquiry team shares. ISO 10328 is the structural test standard for lower-limb prostheses. Once the knee is built into a limb for a named patient, that limb is a custom-made device, and the workshop that builds it holds the manufacturer duties. Request a declaration that lists the FB-02 by its code.

For prosthetic products, NHS England names one compliant route: the NHS Supply Chain framework for Prosthetic Components and Associated Products. Its single lot is Artificial Limbs, and its term runs from 24 November 2025 to 23 November 2027. NHS procurement routes require that path, and equivalent public procurement elsewhere asks the same.