Joint Arthroplasty Systems, Methods, and Components

Abstract

Surgical implant systems, methods, and components are described herein. More particularly, the disclosure relates to joint arthroplasty systems, methods, and components. Particular embodiments described herein can be used to modify the subtalar joint (e.g., posterior facet of the subtalar joint), calcaneocuboid, talonavicular, and any other suitable joint. An exemplary implant system comprises a first implant component, a second implant component, and an insert.

1 . A system for use in a joint arthroplasty, the system comprising:
 a first implant component having a first implant proximal end, a first implant distal end, and a first implant body defining a porous first implant surface, a concave first articulating surface opposably facing the porous first implant surface, and a plurality of first implant projections extending outward and away from the first implant surface from a first implant projection first end to a first implant projection second end for each of said plurality of projections;   a second implant component having a second implant proximal end, a second implant distal end, and a second implant body defining a second implant surface, a recess extending into the second implant body from a side opposably facing the second implant surface to a recess base, at least one second implant protuberance extending outward and away from the second implant surface from a second implant protuberance first end to a second implant protuberance second end, and a passageway extending from a first opening defined on the recess base to a second opening defined on the second implant protuberance second end; and   an insert adapted to be releasably attached to the second implant component and having an insert articulating surface that is convex and adapted to articulate with the first articulating surface,   wherein said joint is selected from the group consisting of a subtalar joint, a calcaneocuboid joint, and a talonavicular joint and said porous first implant surface and said second implant surface are configured for implanting within said joint.   
     
     
         2 . The system of  claim 1 , wherein the recess extends from the second implant proximal end toward the second implant distal end and has a recess first portion extending from the recess base and away from the second implant surface and a recess second portion extending from the recess first portion and configured to provide a slideable engagement between said second implant component and said insert. 
     
     
         3 . The system of  claim 2 , wherein the recess first portion has a recess first portion width along the second implant proximal end; wherein the recess second portion has a recess second portion width along the second implant proximal end; and wherein the recess first portion width is different than the recess second portion width. 
     
     
         4 . (canceled) 
     
     
         5 . The system of  claim 1 , wherein the first implant body further comprises a plurality of first implant protuberances and a plurality of passageways, each protuberance of the plurality of first implant protuberances extending outward and away from the first implant surface from a first implant protuberance first end to a first implant protuberance second end, each passageway extending from a first opening defined on the first implant proximal end to a second opening defined on a first implant protuberance second end; and
 wherein the second implant body comprises a plurality of second implant protuberances and a plurality of passageways, each protuberance of the plurality of second implant protuberances extending outward and away from the second implant surface from a second implant protuberance first end to a second implant protuberance second end, each passageway extending from a first opening defined on the second implant proximal end to a second opening defined on a second implant protuberance second end.   
     
     
         6 . (canceled) 
     
     
         7 . (canceled) 
     
     
         8 . The system of  claim 1 , the system further comprising a second fastener disposed through the passageway. 
     
     
         9 . The system of  claim 1 , wherein the insert is formed of ultra-high-molecular-weight polyethylene. 
     
     
         10 . The system of  claim 1 , wherein the first implant component is adapted to be attached to the talus; and wherein the second implant component is adapted to be attached to the calcaneus. 
     
     
         11 . A system for use in a joint arthroplasty in a foot, the system comprising:
 a first implant component having a first implant proximal end, a first implant distal end, and a first implant body defining a first implant surface, a concave first articulating surface opposably facing the first implant surface, and a plurality of first implant projections extending outward and away from the first implant surface from a first implant projection first end to a first implant projection second end for each of said plurality of projections;   a second implant component having a second implant proximal end, a second implant distal end, and a second implant body defining a second implant surface, a recess extending into the second implant body from a side opposably facing the second implant surface to a recess base and from the second implant proximal end toward the second implant distal end, and a plurality of second implant projections extending outward and away from the second implant surface from a first implant projection first end to a first implant projection second end for each of said plurality of projections, the recess having a recess first portion extending from the recess base and away from the second implant surface and a recess second portion extending from the recess first portion; and   an insert adapted to be releasably attached to the second implant component and having an insert articulating surface that is convex and adapted to articulate with the first articulating surface,   wherein said joint is selected from the group consisting of a subtalar joint, a calcaneocuboid joint, and a talonavicular joint and said porous first implant surface and said second implant surface are configured for implanting within said joint.   
     
     
         12 . The system of  claim 11 , wherein the recess first portion has a recess first portion width along the second implant proximal end; wherein the recess second portion has a recess second portion width along the second implant proximal end; and wherein the recess first portion width is different than the recess second portion width. 
     
     
         13 . (canceled) 
     
     
         14 . The system of  claim 11 , wherein the first implant body further comprises a plurality of first implant protuberances and a plurality of passageways, each protuberance of the plurality of first implant protuberances extending outward and away from the first implant surface from a first implant protuberance first end to a first implant protuberance second end, each passageway extending from a first opening defined on the first implant proximal end to a second opening defined on a first implant protuberance second end; and
 wherein the second implant body further comprises a plurality of second implant protuberances and a plurality of passageways, each protuberance of the plurality of second implant protuberances extending outward and away from the second implant surface from a second implant protuberance first end to a second implant protuberance second end, each passageway extending from a first opening defined on the second implant proximal end to a second opening defined on a second implant protuberance second end.   
     
     
         15 . The system of  claim 14 , wherein each passageway defined by the first implant body has a passageway axis; wherein each passageway defined by the second implant body has a passageway axis; wherein each passageway axis of each passageway defined by the first implant body is disposed on a first plane; and wherein each passageway axis of each passageway defined by the second implant body is disposed on a second plane. 
     
     
         16 . (canceled) 
     
     
         17 . The system of  claim 14 , the system further comprising a first fastener disposed through the passageway defined by the first implant component; and a second fastener disposed through the passageway defined by the second implant component. 
     
     
         18 . The system of  claim 11 , wherein the insert is formed of ultra-high-molecular-weight polyethylene. 
     
     
         19 . The system of  claim 11 , wherein the first implant component is adapted to be attached to the talus; and wherein the second implant component is adapted to be attached to the calcaneus. 
     
     
         20 . A system for use in a joint arthroplasty, the system comprising:
 a first implant component having a first implant proximal end, a first implant distal end, and a first implant body defining a first implant surface, a concave first articulating surface opposably facing the first implant surface, and a plurality of first implant bores, each bore having a bore axis that extends through each bore center;   a second implant component having a second implant proximal end, a second implant distal end, and a second implant body defining a second implant surface, a recess extending into the second implant body from a side opposably facing the second implant surface to a recess base and from the second implant proximal end toward the second implant distal end, and a plurality of second implant bores, each bore having a bore axis that extends through each bore center, the recess having a recess first portion extending from the recess base and away from the second implant surface and a recess second portion extending from the recess first portion; and   an insert adapted to be releasably attached to the second implant component and having an insert articulating surface that is concave and adapted to articulate with the first articulating surface,   wherein said joint is selected from the group consisting of a subtalar joint, a calcaneocuboid joint, and a talonavicular joint and said first implant surface and said second implant surface are configured for implanting within said joint.   
     
     
         21 . The system of  claim 1 , wherein said first implant component further comprises at least one first implant protuberance extending outward and away from the first implant surface and a passageway extending from a first opening defined on a first end of said at least one first implant protuberance to a second opening defined on a second end of said at least one first implant protuberance. 
     
     
         22 . The system of  claim 11 , wherein said first implant component further comprises at least one first implant protuberance extending outward and away from the first implant surface and a passageway extending from a first opening defined on a first end of said at least one first implant protuberance to a second opening defined on a second end of said at least one first implant protuberance. 
     
     
         23 . The system of  claim 22 , wherein said second implant component further comprises at least one second implant protuberance extending outward and away from the second implant surface and a passageway extending from a first opening defined on a first end of said at least one second implant protuberance to a second opening defined on a second end of said at least one second implant protuberance. 
     
     
         24 . The system of  claim 23 , the system further comprising a first fastener disposed through the passageway defined by the first implant component and a second fastener disposed through the passageway defined by the second implant component. 
     
     
         25 . A method of using the system of  claim 1 , comprising installing said first implant component onto a first bone of said joint and installing said second implant component to a second bone of said joint.