Vilex H2
Total Ankle Replacement
2-COMPONENT, SEMI-CONSTRAINED IMPLANT
About
Vilex H2
The Hintermann Series H2® Total Ankle Replacement System is intended to replace the ankle joint. The prosthesis is a semi-constrained design that resurfaces the tibia and talus by minimal bone resection, incorporates a constrained inlay, and integrates adjustable inlay orientation relative to the tibial axis.
The system includes the following implantable components: Hintermann Series H2® tibial assembly, Hintermann Series H2® vitamin E polyethylene (PE) inlay assembly, and Hintermann Series® talar component.
The Hintermann Series H2 is indicated as a total ankle replacement in primary or revision surgery of ankle joints damaged by:
Systemic arthritis of the ankle (e.g., rheumatoid arthritis, hemochromatosis)
Primary arthritis (e.g., degenerative disease)
Secondary arthritis (e.g., post-traumatic, avascular necrosis, provided enough of the talus is preserved to support the implant
ABOUT THE VILEX H2
SYSTEM FEATURES AND KEY BENEFITS
High intrinsic stability
Low contact stresses to the bone
Low ligament stress
Minimized wear
TIBIAL COMPONENT
Anatomical shape for minimized contact stress to the bone.
Minimal bone resection required.
Low profile anterior shield designed to provide rotational stability of tibial component and prevent scarring and bone formation that may hinder joint motion.
Titanium peaks designed for anchoring in subchondral bone toward increasing stability in translation and rotation.
Ti Plasma spray coating.
Sizes: 1, 2, 3, 4, 5
POLY (PE) INLAY
High congruency with the metal surfaces of both tibial and talar components.
Free sagittal plane motion on conically-shaped talar surface.
Large contact area with both tibial and talar components designed to provide:
Low contact stresses
Minimal wear
Intrinsic stability against eversion-inversion forces
X-ray Markers (Titanium Alloy Ti6Al4V)
Sizes: 0, 1, 2, 3, 4, 5
TALAR COMPONENT
Anatomical shape (conical surface) designed:
To allow physiological talar motion
To minimize medial ligament stress
Minimal bone resection required.
Anterior pegs designed to improve sagittal stability and positioning.
Medial and lateral rims designed to guide movement of the PE Inlay.
Anterior shield designed to prevent ingrowth of osteophyte.
US Market: Ti Plasma spray coating.
OUS Market: Ti / HaP spray coating.
Sizes: 0, 1, 2, 3, 4, 5
H2 Surgical Technique Guide
Learn more about the instrumentation and technique for the Hintermann Series H2 Fixed-Bearing total ankle replacement implant.
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