Shoulder Arthroplasty Systems and Configurations for Components Thereof

Abstract

Shoulder arthroplasty systems and configurations for components thereof are described. For example, implant systems for a total should arthroplasty (TSA), hemi shoulder arthroplasty, and reverse should arthroplasty (RSA) are described. In addition, exemplary configurations for baseplates, glenoid components, glenosphere components, humeral components, humeral head components, humerosocket components, connectors, and adaptors, are described.

1 . A glenoid implant for use in a total shoulder arthroplasty, the glenoid implant comprising:
 a baseplate comprising a first medial side, a first lateral side, a circumferential wall, a base, and a tapered trunnion;
 the circumferential wall and the base cooperatively defining a recess extending from the first lateral side towards the first medial side; 
 the tapered trunnion disposed on the base and extending from the base towards the first lateral side; 
   a glenoid component comprising a body and a raised geometry having an outer circumferential perimeter;
 the body having a second medial side and a second lateral side defining an articulating surface; 
 the raised geometry disposed on the second medial side of the body and extending away from the second lateral side, the raised geometry forming a second toothed geometry on the outer circumferential perimeter and defining a tapered cavity extending into the raised geometry; 
   wherein the second toothed geometry has a configuration complimentary to the first toothed geometry and is adapted to be received by the first toothed geometry; and   wherein the raised geometry of the glenoid component is adapted to be received by the recess of the baseplate.   
     
     
         2 . The glenoid implant of  claim 1 , wherein the base of the baseplate is concave or substantially concave. 
     
     
         3 . The glenoid implant of  claim 2 , wherein the raised geometry defines a convex or substantially convex portion extending from the outer circumferential perimeter and away from the second lateral side; and
 wherein the raised geometry of the glenoid component has a configuration complimentary to the recess of the baseplate.   
     
     
         4 . The glenoid implant of  claim 1 , wherein the articulating surface is concave or substantially concave. 
     
     
         5 . The glenoid implant of  claim 1 , wherein the medial side of the baseplate is convex or substantially convex. 
     
     
         6 . The glenoid implant of  claim 1 , wherein the medial side of the baseplate is textured. 
     
     
         7 . The glenoid implant of  claim 1 , wherein the baseplate is formed of a metal. 
     
     
         8 . The glenoid implant of  claim 1 , wherein the glenoid component is formed of a metal. 
     
     
         9 . The glenoid implant of  claim 1 , wherein the baseplate further comprises one or more bores extending through the body of the baseplate from the first medial side to the first lateral side. 
     
     
         10 . The glenoid implant of  claim 1 , wherein the baseplate further comprises a threaded component attached to the first medial side of the baseplate and extending away from the first lateral side. 
     
     
         11 . A glenoid implant for use in a total shoulder arthroplasty, the glenoid implant comprising:
 a baseplate comprising a first medial side, a first lateral side, a circumferential wall, a concave or substantially concave base, and a tapered trunnion;
 the circumferential wall and the base cooperatively defining a recess extending from the first lateral side towards the first medial side; 
 the tapered trunnion disposed on the base and extending from the base towards the first lateral side; 
   a glenoid component comprising a body and a raised geometry having an outer circumferential perimeter;
 the body having a second medial side and a second lateral side defining a concave or substantially concave articulating surface; 
 the raised geometry disposed on the second medial side of the body and extending away from the second lateral side, the raised geometry forming a second toothed geometry on the outer circumferential perimeter, a convex or substantially convex portion extending from the outer circumferential perimeter away from the second lateral side, and defining a tapered cavity extending into the raised geometry; 
   wherein the second toothed geometry has a configuration complimentary to the first toothed geometry and is adapted to be received by the first toothed geometry; and   wherein the raised geometry of the glenoid component has a configuration complimentary to the recess of the baseplate and is adapted to be received by the recess of the baseplate.   
     
     
         12 . The glenoid implant of  claim 11 , wherein the medial side of the baseplate is convex or substantially convex. 
     
     
         13 . The glenoid implant of  claim 11 , wherein the medial side of the baseplate is textured. 
     
     
         14 . The glenoid implant of  claim 11 , wherein the baseplate is formed of a metal. 
     
     
         15 . The glenoid implant of  claim 11 , wherein the glenoid component is formed of a metal. 
     
     
         16 . The glenoid implant of  claim 11 , wherein the baseplate further comprises one or more bores extending through the body of the baseplate from the first medial side to the first lateral side. 
     
     
         17 . The glenoid implant of  claim 11 , wherein the baseplate further comprises a threaded component attached to the first medial side of the baseplate and extending away from the first lateral side. 
     
     
         18 . A glenoid implant for use in a total shoulder arthroplasty, the glenoid implant comprising:
 a baseplate comprising a first body and a threaded component;
 the first body having a first medial side, a first lateral side, a circumferential wall, a concave or substantially concave base, and a tapered trunnion;
 the circumferential wall and the base cooperatively defining a recess extending from the first lateral side towards the first medial side; 
 the tapered trunnion disposed on the base and extending from the base towards the first lateral side; 
 
 the threaded component attached to the first medial side of the first body and extending away from the first lateral side; 
   a glenoid component comprising a second body and a raised geometry having an outer circumferential perimeter;
 the second body having a second medial side and a second lateral side defining a concave or substantially concave articulating surface; 
 the raised geometry disposed on the second medial side of the second body and extending away from the second lateral side, the raised geometry forming a second toothed geometry on the outer circumferential perimeter, a convex or substantially convex portion extending from the outer circumferential perimeter away from the second lateral side, and defining a tapered cavity extending into the raised geometry; 
   wherein the second toothed geometry has a configuration complimentary to the first toothed geometry and is adapted to be received by the first toothed geometry; and   wherein the raised geometry of the glenoid component has a configuration complimentary to the recess of the baseplate and is adapted to be received by the recess of the baseplate.   
     
     
         19 . The glenoid implant of  claim 18 , wherein the medial side of the baseplate is textured. 
     
     
         20 . The glenoid implant of  claim 18 , wherein the glenoid component is formed of a metal.