Method of Preparing Joint Prosthesis With Infinitely Positionable Head

Abstract

A method of preparing an assembly for a surgical procedure while an implant is engaged with a bone includes mounting a first insert component, configured to mount to the implant with a first predetermined orientation, with a first mating component fixed thereto in a replication instrument at a second predetermined orientation, and determining an angular position of the provided first mating component with respect to the first insert component using the replication instrument. The first insert component and the first mating component are removed from the replication instrument and a second insert component configured to mount to the implant with the first predetermined orientation is mounted in the replication instrument at the second predetermined orientation and the determined angular position is replicated with the mounted second insert component and a second mating component.

What is claimed is: 
     
         1 . A method of preparing an assembly for a surgical procedure, comprising:
 providing a first insert component with a first mating component fixed thereto while an implant is engaged with the bone, the first insert component configured to mount to the implant with a first single predetermined orientation, and configured to mount to a replication instrument with a second single predetermined orientation;   mounting the first insert component in the replication instrument at the second single predetermined orientation;   determining an angular position of the provided first mating component with respect to the first insert component using the replication instrument;   removing the first insert component and the first mating component from the replication instrument;   providing a second insert component, the second insert component configured to mount to the implant with the first single predetermined orientation;   mounting the second insert component in the replication instrument at the second single predetermined orientation; and   replicating the determined angular position with the mounted second insert component and a second mating component.   
     
     
         2 . The method of  claim 1 , wherein replicating the determined angular position further comprises:
 press fitting a ball portion of the second mating component within a tapered bore of the second insert.   
     
     
         3 . The method of  claim 2 , wherein replicating the determined angular position further comprises:
 impacting the press fit ball portion within the tapered bore using an alignment tool of the replication instrument which was used to replicate the determined angular position.   
     
     
         4 . The method of  claim 1 , wherein mounting the first insert component in the replication instrument comprises:
 positioning a tab portion of the first insert component in a recess of the replication instrument, the recess having a first opening portion that opens to a platform surface at a proximal portion of the replication instrument and a second opening portion that opens to a side of the replication instrument extending away from the platform surface.   
     
     
         5 . The method of  claim 4 , wherein mounting the second insert component in the replication instrument comprises:
 positioning a tab portion of the second insert component in the recess of the replication instrument.   
     
     
         6 . The method of  claim 5 , wherein mounting the second insert component in the replication instrument further comprises:
 securing the second insert component to the replication instrument using a fixation element partially inserted through a bore in the second insert component.   
     
     
         7 . The method of  claim 6 , wherein mounting the first insert component in the replication instrument further comprises:
 securing the first insert component to the replication instrument using the fixation element partially inserted through a bore in the first insert component.   
     
     
         8 . The method of  claim 5 , further comprising:
 mounting an articulating head component onto the second mating component.   
     
     
         9 . The method of  claim 8 , wherein mounting the articulating head component further comprises:
 impacting the articulating head component onto the second mating component while the second insert component is mounted in the replication instrument.