Epoca Shoulder Arthroplasty System– Stem. Components for degenerative and posttraumatic conditions.
Quick Reference Chart
Epoca Shoulder Arthroplasty System–Stem. Components for degenerative and posttraumatic conditions.
1
2
3
4
Approach and exposure
Perform initial resection of humeral head
Select trial head size
Open medullary canal
– Select the trial head size to match the resected humeral head
– Use the cylindrical rasp to open the humeral shaft
– Lesser tuberosity osteotomy approach, tendon off bone, or transection approach
– Release the supraspinatus, infraspinatus and teres minor – Release the inferior capsule
– Start osteotomy at the most medial insertion line of the supraspinatus – Medial resection slightly above anatomic neck line
– Expose proximal humerus
8 mm
5
6a
Insert rasp size 6
Determine retrotorsion
– Insert the size 6 rasp into the canal
– For first approximation use median retrotorsion of 25°
– For fine tuning, use the distance between the deepest point in the bicipital groove and the rasp center line of approximately 8 mm
8
9
10a
10b
Insert trial stem
Perform definitive anatomic neck resection
Attach trial eccenter to trial stem
Lock trial eccenter
– Align the letter “A” on the trial eccenter with the proximal line on the trial stem
– Lock the eccenter in place using the 2.0 mm hex screwdriver in the proximal hole
– Thread the inserter/extractor into the proximal hole of the selected trial stem – Insert the trial stem into the canal
– Use the proximal surface of the trial stem as a cutting guide for anatomic neck resection
6b
7 Perform rasping and insert trial stem – Continue rasping with incrementally larger sizes
11
12a
12b
12c
Attach trial head and record offset
Remove trial implants and assemble implant
Press eccenter
Press head
– Rotate the head and eccenter until the ideal head position is reached, using the 2.5 mm hex screwdriver in the proximal hole – Note the position of the head, eccenter, and stem
– Place the stem implant in the corresponding stem holder
– Place the assembly in the press and position the eccenter impactor over the eccenter
– Place the head and stem assembly in the press
13
14
Implant prosthesis and reattach lesser tuberosity
Stable reattachment of subscapularis
– Cemented or pressfit
Please refer to technique guide for indications and complete instructions for use.
Product Information
Epoca Shoulder Prosthesis Press Instrument Set (01.401.001)
Epoca Shoulder Prosthesis Trial Implants Instrument Set (01.401.003)
Graphic Case 60.401.001 Graphic Case for Epoca Press
Graphic Case 60.401.003 Graphic Case for Epoca Trial Implants
Instruments E5115-5/1 E5115-5/3 E5115-5/4
Instruments Press Eccenter Impactor for Press Torque Wrench for Press