3R60-PRO - Knee prosthetics
EBS-PRO-Knee
How does the EBSpro work?
The mechanical principle of the EBSpro is based on the proven 3R60 prosthetic joint.
The polycentric prosthetic joint has five axes that are arranged to form a ring. The anterior axis chain is designed like a conventional four-axis joint, but the posterior linkage bar is interrupted by an additional pivot point (Fig. 1). The proven design thus allows for two different modes of operation: swing phase mode and stance phase flexion mode. Two specially configured miniature hydraulic units (Fig. 2, A+B) control the two modes. Outstanding performance during the stance phase is the key feature of the 3R60.
The spring and hydraulics combination in stance phase flexion mode is individually adjustable and can be precisely adapted to suit the requirements of the prosthesis wearer. Thanks to the progressive nature of the EBS resistance – realised with an auto-adaptive EBS unit – the effect can adapt itself over a large range of walking speeds for the first time.
The higher the walking speed, the greater the extent to which flexion is limited. The lower the walking speed, the less damping resistance takes effect. This ensures greater stance phase flexion (Fig. 3). In this way, this important function adapts to various everyday situations. For the prosthesis wearer, this means enhanced safety and comfort as well as a highly natural gait pattern.
How does the EBSpro work?
The mechanical principle of the EBSpro is based on the proven 3R60 prosthetic joint.
The polycentric prosthetic joint has five axes that are arranged to form a ring. The anterior axis chain is designed like a conventional four-axis joint, but the posterior linkage bar is interrupted by an additional pivot point (Fig. 1). The proven design thus allows for two different modes of operation: swing phase mode and stance phase flexion mode. Two specially configured miniature hydraulic units (Fig. 2, A+B) control the two modes. Outstanding performance during the stance phase is the key feature of the 3R60.
The spring and hydraulics combination in stance phase flexion mode is individually adjustable and can be precisely adapted to suit the requirements of the prosthesis wearer. Thanks to the progressive nature of the EBS resistance – realised with an auto-adaptive EBS unit – the effect can adapt itself over a large range of walking speeds for the first time.
The higher the walking speed, the greater the extent to which flexion is limited. The lower the walking speed, the less damping resistance takes effect. This ensures greater stance phase flexion (Fig. 3). In this way, this important function adapts to various everyday situations. For the prosthesis wearer, this means enhanced safety and comfort as well as a highly natural gait pattern.
Product type | Mechanic Polycentric |
Mobility grade | 2, 3 |
Max. body weight | 75 kg |
Specifications
Product information
Product type | Mechanic Polycentric |
Mobility grade | 2, 3 |
Max. body weight | 75 kg |
Amputation level | Transfemoral amputation |
Material | Aluminium |
Product Data
Article number | 3R60-PRO | 3R60-PRO=HD | 3R60-PRO=KD | 3R60-PRO=ST |
Max. body weight | 75 kg | 75 kg | 75 kg | 75 kg |
Mobility grade | 2, 3 | 2, 3 | 2, 3 | 2, 3 |
Weight | 770 g | 770 g | 840 g | 750 g |
Proximal connection | Pyramid (movable) | Pyramid (10° inclined) | Lamination anchor | Threaded connector |
Distal connection | Pyramid | Pyramid | Pyramid | Pyramid |
Knee flexion angle | 175 ° | 175 ° | 145 ° | 125 ° |
System height | 150 mm | 150 mm | 169 mm | 165 mm |
Proximal system height to alignment reference point | 2 mm | 2 mm | 21 mm | 17 mm |
Distal system height to alignment reference point | 148 mm | 148 mm | 148 mm | 148 mm |
Build height | 186 mm | 186 mm | 187 mm | 183 mm |
Proximal build height to alignment reference point | 20 mm | 20 mm | 21 mm | 17 mm |
Distal build height to alignment reference point | 166 mm | 166 mm | 166 mm | 166 mm |
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