Technologies For Your Smile Advanced 6-Bar Mechanism Stance-Flexion, Adjustable Geometrical Lock...
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Transcript of Technologies For Your Smile Advanced 6-Bar Mechanism Stance-Flexion, Adjustable Geometrical Lock...
Technologies For Your Smile
Advanced 6-Bar MechanismStance-Flexion, AdjustableGeometrical Lock Systemp-MRS systemManual Lock
CONFIDENTIALCONFIDENTIAL
NK6 ++ LL6-bar Hydraulic Knee6-bar Hydraulic Knee
Technologies For Your Smile
Concept
SafetyIn Stance
4-Bar IPDyn
am
ics
In S
win
g
Hybrid KneeSingleAxis IP
NK-1
NK6
Technologies For Your Smile
NK-6 StructureNK-6 Structure
1
23
4
56
Manual Lock Switch(Option)Hydraulic Cylinder
-Flexion Adj. -Extension Adj.
Bouncing Dumper Extension Assist Adjustment
Dumper Stiffness Adjustment Screw
CONFIDENTIALCONFIDENTIAL
Technologies For Your Smile
p-MRS Systemp-MRS System(Polycentric - (Polycentric - MMechanism of echanism of RReaction-force eaction-force SSensing)ensing)
Bounce ModeGeometric Lock
Swing Mode
ICR
CONFIDENTIALCONFIDENTIAL
Technologies For Your Smile
Stance Phase ControlStance Phase Control
Lock Lock + Bouncing+ Bouncing
Heel Strike Mid Stance Toe Off (Swing)
UnlockedUnlockedFor SwingFor Swing
ICRfor Swing
CONFIDENTIALCONFIDENTIAL
Technologies For Your Smile
Manual Lock (Optional)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.
Unlocked Locked
CONFIDENTIALCONFIDENTIAL
Technologies For Your Smile
Swing Phase ControlSwing 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
CONFIDENTIALCONFIDENTIAL
Technologies For Your Smile
Swing Phase ControlSwing Phase ControlHydraulic Cylinder Features (Flexion)Hydraulic Cylinder Features (Flexion) CONFIDENTIALCONFIDENTIAL
Knee Angle
Kne
e T
orqu
e in
Fle
xion
40 deg 60deg
NK-6
Conventional Hydraulic Swing
0
• Initiating swing-phase is very smooth compared with conventional hydraulic knee.
• Initiating swing-phase is very smooth compared with conventional hydraulic knee.
• Very wide cadence response (70% of that the Intelligent Knee has)
• Very wide cadence response (70% of that the Intelligent Knee has)
Technologies For Your Smile
Swing Phase ControlSwing Phase ControlHydraulic Cylinder Features (Extension)Hydraulic Cylinder Features (Extension) CONFIDENTIALCONFIDENTIAL
Knee Angle
Kne
e T
orqu
e in
Ext
ensi
on
30 deg 60deg
NK-6
Conventional Hydraulic Swing
0
• Dual Hydraulic Circuit is introduced for the Extension.• 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.
• 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.• This feature leads to very smooth swing back motion.
Technologies For Your Smile
SpecificationsSpecifications
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
CONFIDENTIALCONFIDENTIAL
19
7m
m
28
mm
Screw Head version available
Technologies For Your Smile
Static AlignmentStatic 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
CONFIDENTIALCONFIDENTIAL
+5mm -5mm
STABLE Dynamic
W.L.
Technologies For Your SmilePositioning
NK-1HNK-1H
Single Axis Intelligent KneeSingle Axis Intelligent Knee
4-Bar Intelligent Knee4-Bar Intelligent Knee
Hybrid KneeHybrid Knee
Low ActiveLow Active Mid ActiveMid Active High ActiveHigh Active
NK-1HsNK-1Hs
NK-6NK-6
Technologies For Your Smile
Comparison
Name 3R60 NK6 Total Knee
Number of Link 5-Bar 6-Bar 7-Bar