Patent ID: 6969407
Filing Date: 2005-11-29
Classification: A61F

Abstract:
1. A radial component for a wrist prosthesis comprising: a stem configured for engagement within the radius bone; a platform attached to said stem; an insert defining an articulating surface for mating with an articulating element of a metacarpal wrist component; and a mating feature between said insert and said platform to permit engagement of said insert to said platform and removal therefrom without removing said platform from said stem and without removing said stem from the radius, wherein said mating feature includes mating snap-fit elements defined in said platform and said insert, wherein said mating snap-fit elements includes a female snap-fit element defined in said platform and a male snap-fit element defined in said insert, wherein said platform defines a recess with an opening sized to receive said insert therein and an undercut defined around at least a portion of said opening; and wherein said insert includes at least one flexible tab configured to engage said undercut within said opening.