Uni- Condylar Knee Surgical Technique - Yorkshire Joint ...

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Insert the tibial keel trial through the slot into the cavity to confirm adequate bone has been removed (Figure 35). Note: Due to the differences in keel width, there are separate tibial keel trials for metal-backed and all-polyethylene (Figure 36). Ensure the correct trial is used to assess bone removal. Use the tibial peg drill to prepare the tibial peg hole. The peg hole should be drilled as close to perpendicular as possible (Figure 37). Figure 35 All-polyethylene backed keel trial Metal-backed keel trial Figure 36 Figure 37 20
Component Implantation When using a metal-backed tibial component the order of implantation is: 1. Metal-backed tray 2. Femoral component 3. Tibial insert When using an all-polyethylene tibial component the order of implantation is: 1. All-polyethylene tibia 2. Femoral component Preparation for cementation 1. The tibial surface should be fully washed using pulse lavage or similar technique, ensuring that no residual particles of bone are present in the joint space. 2. Tibial surface should be fully dried using surgical sponges or similar material, ensuring the prepared surface is as dry as possible prior to cementing. 3. A sponge may be placed in the posterior aspect of the tibia prior to cementing to simplify cement removal. Tip: If sclerotic bone is encountered, drill several small holes and fill with cement before placing the femoral and/or tibial component. Cement <strong>Technique</strong> – Tibia Apply cement to the prepared bone surface and pressurise digitally or with a flat instrument. Insert a small cylindrically shaped piece of cement into the tibial keel slot and pressurise using the same technique. Excess cement is cleared to leave approximately 1 mm of cement on the prepared bone surface. 21
Page 1: Unicondylar Surgical Technique
Page 4 and 5: Indications, Contra-indications and
Page 6 and 7: Proximal Tibial Resection Tibial Ji
Page 8 and 9: Tibial Jig Alignment Resection Leve
Page 10 and 11: Make the transverse cut through the
Page 12 and 13: Balancing Goal: Determine amount of
Page 14 and 15: Distal Femoral Resection Goal: Dist
Page 16 and 17: Femoral Sizing and Rotation Using t
Page 18 and 19: Femoral Sizing and Rotation Using t
Page 20 and 21: Tibial Preparation Goal: Prepare ti
Page 24 and 25: Cement Technique Metal-backed tibia
Page 26 and 27: Cement Technique Femoral component
Page 28 and 29: Ordering Information Implants Sigma
Page 30 and 31: Ordering Information Implants Sigma
Page 32 and 33: 1 4 2 5 7 8 3 6 15 9 10 11 12 12 13
Page 34: 1 2 4 3 5 7 6 8 9 10 11 12 13 14 15

Uni- Condylar Knee Surgical Technique - Yorkshire Joint ...

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