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Patient-specific augmented glenoid systems

A technology of glenoid and articular surfaces, applied in the direction of shoulder joints, joint implants, joint implants, etc.

Active Publication Date: 2018-06-08
BIOMET MFG CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, many of these designs still require substantial bone removal

Method used

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  • Patient-specific augmented glenoid systems
  • Patient-specific augmented glenoid systems
  • Patient-specific augmented glenoid systems

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0095] Example 1 may include or use subject matter such as a glenoid implant, comprising: a body, which may include: an articular surface configured to mate with or receive another component, the other component configured to cooperate with complementary components; and a scapula engaging surface opposite to the articular surface, the scapula engaging surface comprising first and second portions angled relative to each other; and a fixation feature extending from the scapula The joint surface extends.

example 2

[0096] Example 2 may include or may optionally be combined with the subject matter of Example 1 to optionally include a body and securing features which may be made of porous metal material.

example 3

[0097] Example 3 may comprise, or may optionally be combined with, the subject matter of one or any combination of Examples 1 or 2, to optionally comprise: a body comprising a side wall at said scapula engaging surface has a first thickness at the first portion of the scapula engagement surface and a second thickness at the second portion of the scapula engaging surface, the second thickness may be greater than the first thickness.

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PUM

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Abstract

A glenoid implant comprises a body comprising: an articular surface and a scapula-engaging surface, the scapula-engaging surface including first and second portions angled relative to each other; anda fixation feature extending from the scapula-engaging surface. A method comprises: forming a planar bone surface at a glenoid using a guide pin; forming a first bore into the glenoid located near theguide pin; forming a second bore into the glenoid offset from the first bore; inserting an augment ream guide into the first and second bores; and forming an angled bone surface at the glenoid relative to the planar bone surface using the augment ream guide. A ream guide comprises: a base having first and second surfaces; a bone peg extending from the first surface; an alignment peg spaced from the bone peg; and a guide peg extending from the second surface at an oblique angle to the bone peg.

Description

[0001] claim priority [0002] This patent application claims priority to U.S. Provisional Patent Application No. 62 / 152,304, filed April 24, 2015, by Kovacs et al., entitled "PATIENTSPECIFIC AUGMENTED GLENOID PREP," which The entire contents of the US Provisional Patent Application are incorporated herein by reference. technical field [0003] This document relates generally, but without limitation, to systems and methods of preparing bone for orthopedic implants. More specifically, the present disclosure relates to, but is not limited to, preparing bone surfaces to receive orthopedic implants having asymmetric bone-engaging surfaces. Background technique [0004] In cases of severe glenoid wear, it may be difficult to return the joint to a near-neutral state using standard implants. In these cases, the surgeon must make compromises: place components at non-ideal torsion angles, remove substantial native bone to obtain complete dorsal coverage of the glenoid base, or perf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/40
CPCA61F2/40A61F2/4612A61B17/1778A61B17/1684A61B17/1739A61F2/4081A61F2002/30736A61F2002/3023A61F2002/30774A61B2090/036A61F2002/30617A61F2002/30878
Inventor M·F·科瓦克斯L·古洛塔T·M·瓦纳斯
Owner BIOMET MFG CORP
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