Surgical Technique
Page 1: ...Surgical Technique...
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Page 3: ...ligament are incompetent 6 Hinge knee systems are designed for use in patients in primary and revision surgery where the posterior cruciate ligament and one or both of the collateral ligaments i e me...
Page 4: ...izes of the LEGION Cones are the functional internal diameters ID The IDs are relative to the functional diameters of LEGION Press Fit Stems including the 1mm diametrically oversized cutting flutes Fo...
Page 5: ...tional positioning freedom with Tibial Cones without the use of offset couplers Figure 4 b a Figure 6 Figure 5 Figure 3 Cone Handle Assembly Insert the desired sleeve into the Cone Handle Figure 5 and...
Page 6: ...e Broach Figure 8b Rotate the Broach a turn following the black line Figure 9 Release the gold slide Figure 10 Note The Cone Broach Handle will only engage in the direction described above To remove t...
Page 7: ...d for anterior alignment of the Cone Handle Figure 11 A maximum of 25 of rotational freedom is provided between the Tibial Cone and the Tibial Tray fins keel with no offset Using offsets or variable p...
Page 8: ...Impactor Heads Figure 13 14 respectively are used with the LEGION Cone Handle to connect to and control orientation of the Tibial and Femoral Cone Trials and Implants The Impactor Heads assemble to t...
Page 9: ...ersized cutting flutes For example a size 22 ID LEGION Tibial Cone can accept up to a 22mm LEGION Press Fit Stem without offset 1 With the offset amount and Stem size desired reference the chart for t...
Page 10: ...set placement noting stem reamer size length and the offset amount and clocking orientation Before the tibial tray counterbore step determine the maximum Cone size needed to fill the defect to ensure...
Page 11: ...g on Tibial Cone length desired Note The depth should be below any additional hemi augments planned Note There are two lengths of Tibial Cones Short 25mm and Long 40mm The minimum depths are represent...
Page 12: ...ach assembly in the desired orientation Figure 23 3 If the selected minimum size Tibial Cone Broach with the desired offset covers or is smaller than the defect proceed with sequential broaching using...
Page 13: ...nal freedom 2 With attention to rotational alignment lightly impact the Cone Handle Assembly with a mallet until the desired depth is reached Figure 27 Caution If excessive force is used fracture may...
Page 14: ...sponding Tibial Cone Broaches therefore little to no impaction should be required for the Tibial Cone Trial placement 3 Complete the remaining steps in the LEGION RK or LEGION HK surgical technique af...
Page 15: ...ed 2 Assemble the previously used Tibial Cone Impactor Head and Offset Sleeve to the Cone Handle maintaining the same clocking orientation 3 Using the previous orientation used with the final Tibial C...
Page 16: ...nt is applied to Tibial Tray Stem Implant construct to fill the area between the Cone s internal diameter and the Tibial Tray Stem Implant Assembly prior to insertion of the Tibial Tray Stem Implant A...
Page 17: ...clock Reference the sizing guide below to determine which size cone can accommodate the various levels of offset Minimum Femoral Cone Size with Offset Couplers Note The labeled sizes of the LEGION Co...
Page 18: ...ncluding any distal wedge resections noting stem reamer size and length Tip Although distal hemi augment resections can be performed using the Femoral Trials completing these resection s prior to Cone...
Page 19: ...gure 37a Note Depth accommodations should be considered when using distal augments Sequential Broaching 1 Assemble the Neutral Sleeve into the Cone Broach Handle Assemble the 18mm Femoral Broach onto...
Page 20: ...teral side and a 10mm wedge is present on the medial side broach to the depth shown in Figure 39 5 While utilizing the same alignment orientation as the previous broach sequentially broach with the ne...
Page 21: ...e the chart below for the maximum allowable offset With the maximum offset limit in mind and the limited Offset Coupler orientation for LEGION Femoral Cones 3 o clock to 9 o clock return to the standa...
Page 22: ...implant may be malaligned 2 Assemble the Neutral Sleeve and appropriate Femoral Cone Impactor Head to the Cone Handle Caution If excessive force is used fracture may occur 3 Using the previous orienta...
Page 23: ...late fins and the Tibial Cone If not utilizing offset couplers reference the below sizing guide and the following technique Minimum Tibial Cone Size without Offset Couplers The labeled sizes of the LE...
Page 24: ...ON Hinge HK through tibial reaming proximal resection tibial sizing and the tibial tray counterbore step s noting stem reamer size and length Tip Hemi wedge resections can be performed using the Dista...
Page 25: ...Referencing the Initial Reamer depth assemble the 18mm Short or Long Tibial Broach onto the Cone Handle 2 With attention to rotational alignment anterior reference facing anteriorly lightly impact the...
Page 26: ...responding Tibial Cone Broaches therefore little to no impaction should be required for the Tibial Cone Trial placement 3 Complete the remaining steps in the LEGION RK or LEGION HK surgical technique...
Page 27: ...l Cone Trial lightly impact the selected Cone Implant into the Tibia to the desired depth and orientation Caution If excessive force is used fracture may occur Tip After the Cone implant is placed fil...
Page 28: ...final baseplate stem construct placement There is a maximum of 25 of rotational freedom between the Tibial Baseplate fins and the Tibial Cone If not utilizing offset couplers reference the below sizin...
Page 29: ...tray counterbore step s noting stem reamer size and length Tip Hemi wedge resections can be performed using the Distal Femoral Cutting Block Figure 60 Completing these resection s prior to Cone prepar...
Page 30: ...ed broach using the correlating Cone Variable Sleeve Figure 63 4 If the selected minimum size Tibial Cone Broach with the desired offset covers or is smaller than the defect proceed with sequential br...
Page 31: ...With attention to rotational alignment lightly impact the Cone Handle Assembly with a mallet until the desired depth is reached Caution If excessive force is used fracture may occur It is advised to...
Page 32: ...eir corresponding Tibial Cone Broaches therefore little to no impaction should be required for the Tibial Cone Trial placement 3 Complete the remaining steps in the LEGION RK or LEGION HK surgical tec...
Page 33: ...nd Tibial Cone Trial lightly impact the selected Cone Implant into the Tibia to the desired depth and orientation Caution If excessive force is used fracture may occur Tip After the Cone implant is pl...
Page 34: ...Notes...
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Page 36: ...informational and educational purposes only It is not intended to serve as medical advice It is the responsibility of the treating physicians to determine and utilize the appropriate products and tec...
