WristMotion
Hemiarthroplasty System
Instructions for Use
Description
The Arthrosurface WristMotion
®
Hemiarthroplasty System
consists of a contoured capitate articular implant designed to
articulate with the natural radius bone, a taper post and set of
instruments used for implant site preparation and delivery. The
capitate articular components are manufactured using implant
grade cobalt chrome alloy and is offered in two diameters, and
four articular radii. The taper post is manufactured using implant
grade titanium alloy and is offered in one fixed size designed to
work with all capitate articular implants.
Materials
Carpal Articular Component:
Cobalt-Chrome Alloy (Co-Cr-Mo)
Surface Coating:
Titanium (CP Ti)
Taper Post Component:
Titanium Alloy (Ti-6Al-4V)
Indications for Use
The Arthrosurface WristMotion
®
Hemiarthroplasty System is
indicated for use as a partial replacement of wrist joint(s)
disabled by pain, deformity and/or limited motion caused by:
• Non-inflammatory degenerative joint disease including
osteoarthritis, traumatic arthritis and avascular necrosis.
• Rheumatoid arthritis.
• Revision where other devices or treatments have failed.
• Scapholunate Advanced Collapse (SLAC) and other
functional deformities.
• Trauma, including fractures of the carpal bones.
The device is a single use implant intended to be used with bone
cement.
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