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Table 2 TSA glenoid baseplate designation and properties

From: Mechanical behavior of hybrid glenoid components compared to all-PE components: a finite element analysis

 

All-polyethylene components

Hybrid components

Arthrex

Univers™

pegged-glenoid

Arthrex

Univers™

keeled-glenoid

Tornier

Aequalis™ Perform™

keeled-glenoid

MoveUP

isalegacy™

keeled-glenoid

Exactech

Equinox®

caged-glenoid

MoveUP

isahybrid™

pegged-glenoid

Gelnoid parameters

 Designation

U-PG

U-KG

A-KG

I-KG

E-hCG

I-hPG

 Baseplate/bone interface

2 PE pegs & 1 PE keel

1 PE keel

1 PE keel

1 PE keel

1 Porous Ti cage &

3 Ti pegs

1 Porous Ti peg

& 1 PE peg

 Fixation

All cemented

All cemented

All cemented

All cemented

All cemented

except Ti cage

All cemented

except Ti peg

 Glenoid size used in the anatomical models

  Patient 1

x-Large

x-Large

XL50

Size 4 reaming Ø80 mm

Beta, Extra Large

Size 4 reaming Ø80 mm

  Patient 2

Small

Small

M30

Size 2 reaming Ø60 mm

Alpha, Small

Size 2 reaming Ø60 mm

  Patient 3

Large

Large

L40

Size 3 reaming Ø80 mm

Alpha, Large

Size 3 reaming Ø80 mm

  Patient 4

Small

Small

S30

Size 1 reaming Ø60 mm

Alpha, Small

Size 1 reaming Ø60 mm

  Patient 5

Medium

Medium

M30

Size 2 reaming Ø80 mm

Alpha, Small

Size 2 reaming Ø80 mm

Simulation parameters

 Mesh density (number of elements)

  Glenoid component (PE)

7 400

6 400

5 600

5 900

5 900

5 800

  Glenoid component (Ti)

    

1 650

900

  Cement mantle

4 500

3 400

3 500

4 200

3 400

2 300

  1. Abbreviations: Ti Titanium, PE Polyethylene, P patient, PG pegged-glenoid, KG keeled-glenoid, CG caged-glenoid