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Consensus®
Knee |
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The Consensus®
Knee System has been developed on a foundation of
established design principles, proven clinical experience
and intelligent engineering.
The result is a Knee System
incorporating state-of-the-art features providing excellent
performance - predictably and reproducibly.
Patellae
• Oval design increases the coverage of lateral aspect of
the resected bone and improves contact area in flexion
• Medialized spherical dome anatomically positions apex of
the patella
• Patellar instrumentation (U.S. patent 5,716,360) allows
components to be recessed for enhanced stability
• All-poly and metal backed components provide 10mm of
replacement
• 7.5mm all-poly components for use with onlay technique
• Oval Patella |
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All-Poly and
Metal Backed Components:
• Accurately Reproduces Natural Kinematics
• 10mm and 7.5mm All-Poly
• 10mm Porous Ti Metal-Backed
• Direct onlay or 2.5mm Inlay Placement Options
• Porous Titanium Surface Technology Metal Backing
Oval Design:
• Increases Bone Coverage
• Improves Contact Area
• Reduces Contact Stress in Deep Flexion
Mediallized Spherical
Dome:
• Anatomically Positions Apex of the Patella
Titanium Surface Technology
Hayes Medical Titanium Surface Technology is available on
key regions of Consensus Knee components to provide an
enhanced mechanical interface. The Porous Titanium Bead
structure is coated with a plasma deposition process that
further enhances adhesion to the porous area |
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Titanium
Surface Technology
Hayes Medical Titanium Surface
Technology is available on key regions of Consensus Knee
components to provide an enhanced mechanical interface. The
Porous Titanium Bead structure is coated with a plasma
deposition process that further enhances adhesion to the
porous area
Femoral Components
• Deepened patellar groove reduces lateral stress on patella
• Porous Titanium Surface Technology (U.S. patents
6,261,322, 6,652,588, 7,105,030) optional
• Anatomic six degree patellar groove
• CoCr bearing surface for wear resistance |
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Anatomic
Femoral Component
Deep Patella Groove
• Anatomically Angled 6 Degrees
CoCr Articulating Surface
• High-Durabilaty
• Geometry Provides "Natural" Movement |
Optional Features
• Available with Porous Titanium Surface Technology
Tibial components
Tibial Inserts:
• Congruent design enhances joint stability and increases
contact area to reduce wear
• Secure front loading dovetail locking mechanism provides
resistance to insert disassociation and micromotion
Tibial Baseplates:
• Asymmetric shape provides optimal cortical rim coverage
• Anatomic medialized cruciate stem (U.S. patent 5,271,737)
avoids impingement on lateral and posterior bone; cruciate
stem provides superior stability
• Four optional peripheral pegs provide additional
rotational stability
• Stemmed and resurfacing (non-stemmed) options
• CoCr with optional Porous Titanium Surface Technology
(U.S. patents 6,261,322, 6,652,588, 7,105,030)
Anatomic Tibial Component
The Anatomic Consensus® Tibial Component features not only
an anatomic profile but also a patented* anatomically
positioned Tibial Stem. The stem, together with the precise
tibial instrumentation, allows for optimal positioning of
the baseplate for superior fixation and load distribution |
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(1) Stem is
positioned anteriorly and contoured to avoid impingement on
the posterior cortex
(2) Stem is offset medially to better support medial loads
and avoid impingement on the lateral cortex
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(3) Anatomic
profile allows for optimal tibial coverage
(4) Precision machined CoCr surface to minimize backside
wearAlso available
with Porous Titanium Surface Technology |
Tibial Insert Locking
Mechanism
Tibial Inserts are secured to the baseplate with a Unique
Dynamic Dovetail locking mechanism. As the insert is
introduced into the dovetail channel of the baseplate, the
split polyethylene dovetail is elastically compressed. The
Dynamic Dovetail continues to pull the insert down onto the
baseplate to minimize micro motion. Together with the
precision machined CoCr surface this minimizes the potential
for backside wear. |
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Insert slides
in from the front. Posterior dovetails prevent A/P motion
Dynamic Dovetail actively forces insert down onto baseplate |
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Tibial
Instrumentation
The unique "Slope Matching" Tibial Alignment Instrument
positions the tibial baseplate perpendicular to the
trabaecular columns in each patient's tibia for optimal
support and more "Natural" kinematics
The slope of the tibial cut
reproduces the"natural" slope of the patient's tibia and it
is not dependent on alignment with external landmarks.
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