1. Technologies For Your Smile Advanced 6-Bar Mechanism Stance-Flexion, Adjustable Geometrical Lock System p- MRS system Manual Lock CONFIDENTIAL NK6 + L+ L+ L+ L 6-bar Hydraulic Knee

2. Technologies For Your Smile Concept Safety In Stance 4-Bar IP Dynamics In Swing Hybrid KneeSingleAxis IP NK-1 NK6

3. Technologies For Your Smile NK-6 Structure 1 2 3 4 5 6 Manual Lock Switch (Option) Hydraulic Cylinder -Flexion Adj. -Extension Adj. Bouncing DumperExtension Assist Adjustment Dumper Stiffness Adjustment Screw CONFIDENTIAL

4. Technologies For Your Smile p-MRS System (Polycentric - Mechanism of Reaction-force Sensing) Bounce Mode Geometric Lock Swing Mode ICR CONFIDENTIAL

5. Technologies For Your Smile Stance Phase Control Lock + Bouncing Heel StrikeMid StanceToe Off (Swing) Unlocked For Swing ICR for Swing CONFIDENTIAL

6. Technologies For Your Smile Manual Lock (Optional) The user can manually lock the knee whenever the safety is needed, for example, in working on ladder, in walking on snowy road, gardening. Even when knee is locked, the bouncing feature is still available. UnlockedLocked CONFIDENTIAL

7. Technologies For Your Smile Swing Phase Control Hydraulic Cylinder Adjustable Flexion & Extension Resistance By the special design and the layout of the Hydraulic cylinder, the initial swing is very light and smooth Extension Assist Spring to provide more tension to keep full extension Adjustable CONFIDENTIAL

8. Technologies For Your Smile Swing Phase Control Hydraulic Cylinder Features (Flexion) CONFIDENTIAL Knee Angle Knee Torque in Flexion 40 deg 60deg NK-6 Conventional Hydraulic Swing 0 Initiating swing-phase is very smooth compared with conventional hydraulic knee. Very wide cadence response (70% of that the Intelligent Knee has)

9. Technologies For Your Smile Swing Phase Control Hydraulic Cylinder Features (Extension) CONFIDENTIAL Knee Angle Knee Torque in Extension 30 deg 60deg NK-6 Conventional Hydraulic Swing 0 Dual Hydraulic Circuit is introduced for the Extension. At the final 30 degree, a higher resistance, adjustable, will be activated for cushioning against the terminal-impact. This feature leads to very smooth swing back motion.

10. Technologies For Your Smile Specifications MODEL NK-6 NK-6+L Functions Multi axial Hydraulic Knee Unit (6-Bar system) Geometrical Safety Lock System Stance Flex, adjustable Stance Extension Dampening by a Hydraulic cylinder Titanium Heavy-Duty Frame Manual Lock System (NK-6+L) Weight Limit 100kg (220lb) Knee Body Weight : 850g Knee R.O.M.: 160 degrees CONFIDENTIAL 197mm 28mm Screw Head version available

11. Technologies For Your Smile Static Alignment Anterior-Posterior Plane Base point: Upper Frontal Pivot -5 ~ +5 mm from the center of Base point  Anterior side: Dynamic (less stable)  Posterior side: More Stable Medial-Lateral Plane Weight line should be passed through the center of the knee CONFIDENTIAL +5mm-5mm STABLEDynamic W.L.

12. Technologies For Your Smile Positioning NK-1H Single Axis Intelligent Knee 4-Bar Intelligent Knee Hybrid Knee Low Active Mid Active High Active NK-1Hs NK-6

13. Technologies For Your Smile Comparison Name3R60NK6Total Knee Number of Link5-Bar6-Bar7-Bar