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US 2001/0011192 A1Published application
Modular glenoid assembly having bearing insert
AssigneeDePuy Orthopaedics, Inc.
InventorsJeffrey M. Ondrla, James A. Caywood
Life of this patent
Estimating the term…
Abstract
A modular glenoid assembly is provided for attachment to a glenoid surface of a scapula. The modular glenoid assembly includes a base adapted to couple with the glenoid surface and a bearing insert. The base includes a lip that defines a channel. The bearing insert includes a bearing surface adapted to engage a head portion of a humeral component and a tab. The tab is formed to be received within the channel and engage the lip when the insert is moved in a superior direction into position against the base.
Claims19
A modular glenoid assembly, comprising:
- a base configured to contact a glenoid surface of a scapula, said base including a lip which extends from an upper surface of said base, and said lip defining a channel;
- and
- a bearing insert configured to contact a head portion of a humeral component, said bearing insert having a tab configured to be received within said channel,
- wherein said bearing insert is movable from (i) a non-inserted position in which no part of said bearing insert is positioned in contact with said base to (ii) an operative position in which said bearing insert is coupled to said base, and
- wherein said tab is located within said channel when a center portion of said bearing insert passes over an inferior end of said base during movement of said bearing insert from said non-inserted position to said operative position.
2 more elements
A modular glenoid assembly, comprising:
- a base configured to contact a glenoid surface of a scapula, said base including a lip which extends from an upper surface of said base, and said lip defining a channel;
- and
- a bearing insert configured to contact a head portion of a humeral component, said bearing insert having a tab configured to be received within said channel,
- wherein said bearing insert is movable from (i) a non-inserted position in which no part of said bearing insert is positioned in contact with said base to (ii) an operative position in which said bearing insert is coupled to said base,
- wherein said base includes a recessed portion defined in an upper surface of said base, and said bearing insert includes a detent extending from a lower surface of said bearing insert,
- wherein movement of said bearing insert from said non-inserted position to said operative position causes said detent to snap into engagement with said recessed portion thereby notifying a surgeon that said bearing insert is coupled to said base, and
- wherein said tab is located within said channel during movement of said bearing insert from said non-inserted position to said operative position.
4 more elements
A modular glenoid assembly, comprising:
- a base configured to contact a glenoid surface of a scapula, said base including a lip which extends from an upper surface of said base, and said lip defining a channel;
- and
- a bearing insert configured to contact a head portion of a humeral component, said bearing insert having a tab configured to be received within said channel,
- wherein said bearing insert is movable from (i) a non-inserted position in which no part of said bearing insert is positioned in contact with said base to (ii) an operative position in which said bearing insert is coupled to said base,
- wherein said tab is located within said channel during movement of said bearing insert from said non-inserted position to said operative position,
- wherein said lip extends around a first portion of a perimeteral edge of said base,
- wherein said lip defines an insertion opening through which said bearing insert is advanced when said bearing insert is moved from said non-inserted position to said operative position, and
- wherein said insertion opening is defined by a void in said lip at a second portion of said perimeteral edge.
5 more elements
Dependencies are inferred from the claim text.