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✓ Certified Professional Seller Wonderful ZEANSO-1-W
Wonderful ZEANSO-1-W
Wonderful ZEANSO-1-W
Wonderful ZEANSO-1-W
Wonderful ZEANSO-1-W
Wonderful Orthopaedic, Trauma & Prosthetics

Wonderful ZEANSO-1-W

Product Code: OTAP-PLAC-2928

Stumble recovery completed within 20 milliseconds.

A microprocessor knee senses what the limb is doing and changes its resistance to suit. On this platform the manufacturer states real-time monitoring of thigh posture data and a stumble recovery function completing within 20 milliseconds. Listed on Medigear.uk for UK business buyers.

Sections
Prosthetic Feet & Knees
Categories
Orthopaedic, Trauma & Prosthetics
Condition
New
Origin
China
Seller Type
Certified Professional Seller
CE & ISO Certified
Global Shipping
Supplier: Medigear
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A mechanical knee behaves the same way at every step. Its resistance is set by the prosthetist and stays where it was set, so it is tuned to a representative walking speed and everything faster or slower is a compromise around that setting.

A microprocessor knee changes its behaviour as it goes. Sensors read what the limb is doing, a controller decides what resistance the moment calls for, and a valve or actuator adjusts the damping accordingly. The manufacturer describes real-time monitoring of thigh posture data on this platform, with millisecond-level control adjusting damping as the user walks, which is what allows the same knee to suit a slow indoor pace and a faster one outdoors without being reset between them.

Stumble recovery is the function that most distinguishes this class of knee. When the controller detects the pattern of a trip, it raises flexion resistance sharply so the knee resists collapsing while the user recovers their balance. The manufacturer states that this completes within 20 milliseconds, which is well inside the time a person takes to react.

Power is the practical constraint on any electronic knee. The manufacturer states a charging time of three hours at 5 V and 1 A, and describes an ultra-low power circuit design, with operating time given as at least 48 hours in one part of its material and about 72 hours in another. Either way the joint is charged regularly, which introduces a daily routine that a mechanical knee does not have and makes charger supply and battery condition part of what is bought. On a used unit, accumulated charge cycles bear directly on remaining battery life.

Environmental protection matters for the same reason. Electronics and water do not mix, and the manufacturer's material gives both an IP67 rating and a description of splash resistance. Those are not the same claim: IP67 describes temporary immersion, while splash resistance describes far less. A user's expectations about showering, rain and washing follow directly from which applies.

Parameter setting on this platform is described as being performed through a mobile phone mini-program, including a cycling mode. That is worth establishing carefully for a UK service, since it determines what software a clinic needs to configure the knee, whether that software is available and supported in this market, and what data the application handles.
 

Beyond the electronics, the ordinary specification applies. The stated load-bearing limit is 136 kg, joint weight 1,350 g ±25 g, maximum flexion 125 degrees and supported walking speed 60 m per minute, with an operating temperature range of −20 °C to 60 °C.

This is a component rather than a finished prosthesis. It is fitted, aligned, configured and adjusted by a qualified prosthetist as part of a limb assembled around the individual, and selection, alignment, parameter settings and suitability for a given patient are clinical decisions taken by that professional. The manufacturer, variant designation, ratings, battery condition, ingress rating and connection types are provided by the seller at quotation, with UKCA or CE marking documentation, the declaration of conformity, instructions for use and warranty terms issued by the manufacturer or held by the seller.

Transfemoral prosthetic fitting is the primary application, with the joint aligned and configured by a prosthetist within a complete limb.

Users walking at varying speeds are served by damping adjusted in real time, so a slow indoor pace and a faster outdoor one are both accommodated without resetting.

Users at risk of trips are served by a stumble recovery function that raises flexion resistance when the controller detects that pattern.

Uneven ground and varied surfaces are addressed by continuous adjustment rather than a single resistance setting.

Cycling is supported by a dedicated mode described in the manufacturer's material, with availability confirmed at quotation.

Services fitting electronic knees need charger supply, battery condition and charge cycles established, since these bear on daily use and remaining life.

Clinics configuring the joint need the parameter-setting software identified and its availability in this market confirmed.

Resistance That Changes as You Walk

Sensors read what the limb is doing and the controller adjusts damping in real time, so one setting does not have to serve every walking speed.

A Response Faster Than a Reaction

Stumble recovery is stated to complete within 20 milliseconds, well inside the time a person takes to react to a trip.

Thigh Position Read Continuously

Real-time monitoring of thigh posture data gives the controller the input it uses to decide what each moment requires.

Flexion to 125 Degrees

Accommodating sitting and the range walking requires, as stated by the manufacturer.

A Stated Load Limit of 136 kg

Establishing the patient range the joint is intended for, to be confirmed against the instructions for use.

Charged Overnight

A three-hour charge at 5 V and 1 A, with operating time to be confirmed from the manufacturer's data.

A Wide Operating Temperature Range

Stated at −20 °C to 60 °C, covering outdoor use across seasons.

A Cycling Mode

Described in the manufacturer's material as selectable, with availability confirmed at quotation.

Battery Condition Documented

Charge cycles and battery state are provided by the seller, since they bear directly on remaining life.

Contradictory Figures Settled Before Fitting

The ingress rating and operating time are established from the manufacturer's data sheet rather than from marketing material.

Supply and Documentation Arranged

Medigear.uk can arrange supply, documentation and the provision of spares and consumables.

Microprocessor-Controlled Prosthetic Knee Joint

For above-knee fitting, aligned and configured by a prosthetist.

Item Reference: ZEANSO-1-W

To be confirmed against the manufacturer's marking, with the variant suffix established.

Manufacturer

Zhejiang Zeanso Technology Co., Ltd., to be confirmed at quotation.

Real-Time Thigh Posture Monitoring

Sensor input used by the controller to set damping through the gait cycle.

Stumble Recovery Within 20 ms

Flexion resistance raised when the controller detects a trip pattern.

Load-Bearing Limit: 136 kg

As stated by the manufacturer, to be confirmed against the instructions for use.

Joint Weight: 1,350 g ±25 g

As stated by the manufacturer.

Maximum Knee Flexion: 125 Degrees

As stated by the manufacturer.

Maximum Walking Speed: 60 m/min

As stated by the manufacturer.

Operating Time per Charge

Stated as at least 48 hours and as about 72 hours in different manufacturer material, to be confirmed.

Charging: 5 V, 1 A, 3 Hours

As stated by the manufacturer.

Operating Temperature: −20 °C to 60 °C

As stated by the manufacturer.

Ingress Protection Rating

Stated as IP67 and as splash-resistant in the same material, to be confirmed before use guidance is given.

Parameter Setting

Described as performed through a mobile phone mini-program, with the software and its availability confirmed at quotation.

Cycling Mode

Described in the manufacturer's material, with availability confirmed at quotation.

Mobility Grade and Indicated Amputation Levels

Confirmed at quotation against the instructions for use.

Proximal and Distal Connections

Types confirmed at quotation for compatibility with the build.

Battery Condition, Charge Cycles and Charger

Provided by the seller at quotation.

UKCA or CE Marking and Declaration of Conformity

Issued by the manufacturer and requested from the seller at quotation.

Instructions for Use

Provided by the seller at quotation, and required before fitting.

Warranty Terms

Set by the seller at quotation.

The ZEANSO-1-W is a microprocessor-controlled prosthetic knee joint, and the case for a knee of this class rests on behaviour that changes as the user walks. A mechanical joint holds the resistance the prosthetist set, so it is tuned to one representative speed and everything else is a compromise around it. A microprocessor knee reads what the limb is doing and adjusts damping accordingly, and the manufacturer describes real-time monitoring of thigh posture data with millisecond-level control, alongside a stumble recovery function stated to complete within 20 milliseconds by raising flexion resistance when a trip pattern is detected. Around that sit a stated load limit of 136 kg, joint weight of 1,350 g, flexion to 125 degrees, supported walking speed of 60 m per minute, an operating range of −20 °C to 60 °C and a three-hour charge. Two published figures, the ingress protection rating and the operating time per charge, are given inconsistently in the manufacturer's material and should be settled from its data sheet before fitting. Selection, alignment, parameter settings and suitability remain clinical decisions for the prescribing prosthetist. The manufacturer, variant designation, ratings, battery condition and connection types are provided by the seller at quotation, alongside UKCA or CE documentation and instructions for use. Medigear.uk lists the joint for UK business buyers and can arrange supply, documentation and the provision of spares and consumables. Enquire for a written quotation.

FAQ

Frequently Asked Questions

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

It is a microprocessor-controlled prosthetic knee joint for above-knee fitting, produced by Zhejiang Zeanso Technology. The variant the suffix denotes is confirmed at quotation.

Sensors read what the limb is doing and a controller adjusts the joint's damping in real time, so the same knee suits a slow pace and a faster one without being reset.

When the controller detects the pattern of a trip, it raises flexion resistance so the knee resists collapsing while the user recovers balance. The manufacturer states this completes within 20 milliseconds.

The manufacturer states a load-bearing limit of no more than 136 kg, which should be confirmed against the instructions for use.

1,350 g plus or minus 25 g, as stated by the manufacturer.

Up to 125 degrees, as stated by the manufacturer.

The manufacturer's material states at least 48 hours in one place and about 72 hours in another, from a three-hour charge at 5 V and 1 A. The figure should be confirmed.

The manufacturer's material gives both an IP67 rating and a description of splash resistance, which describe very different exposure. This should be settled before any advice is given to a user.

Manufacturer material describes setting through a mobile phone mini-program. What software is needed, and whether it is supported in this market, is confirmed at quotation.

Battery condition, accumulated charge cycles and whether the correct charger is supplied, all provided by the seller at quotation.

A qualified prosthetist, who aligns the limb and sets the joint's parameters to the individual.