Addendum to the Optetrak Logic LPI INTRODUCTION · 2020. 2. 20. · products available in your...
Transcript of Addendum to the Optetrak Logic LPI INTRODUCTION · 2020. 2. 20. · products available in your...
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INTRODUCTION
This addendum provides detailed instructions for implantation of the femoral component with two options: cemented or cementless implantation.
All steps should be completed up until this point as described in the Optetrak Logic® LPI operative technique.
SURGICAL STEPS
IMPLANTATION OF FEMORAL COMPONENT
Option A: Cemented Implantation For Non-porous or Porous Femoral Component
With the femoral component assembled to the LPI Locking Femoral Impactor, apply bone cement to the bone mating surface of the femoral component (Figure 1). Take care to apply only a thin layer of cement on the posterior surface of the prosthesis in order to avoid excessive cement extrusion posteriorly where it could be difficult to remove.
Apply bone cement to the anterior, chamfer and distal surfaces of the prepared femur (Figure 2). Avoid placing cement on the posterior bone surface to prevent excessive cement extrusion posteriorly. Using the LPI Locking Femoral Impactor, position the femoral component onto the distal femur (Figure 3). Slight upward pressure should be applied to the LPI Impactor Handle as the component is being impacted to prevent the femoral component from rotating into flexion.
To assemble the Non-locking Femoral Impactor to the Impactor Handle, place the lever on the LPI Impactor Handle to the “release” position, attach the Non-locking Femoral Impactor onto the handle then move the lever to the “locked” position (Figure 4). Final impaction of the femoral component is performed with the Non-locking Femoral Impactor assembled to the LPI Impactor Handle (Figure 5). Care should be taken to remove all excess bone cement.
Logic Porous
Addendum to the Optetrak Logic LPI® Operative Technique
Operative Technique
®
Figure 1Place Cement on Femoral Component
Figure 2Place Cement on Distal Femur
Figure 3Position Femoral Component on Distal Femur
Move Parallel to Handle to Lock
Figure 4Assemble Non-Locking Femoral Impactor
to the LPI Impactor Handle
Figure 5Impact Final
Femoral Component
Surgeon focused. Patient driven.TM
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Option B: Cementless Implantation For Porous Femoral Component only
Before cementless implantation is decided, the patient’s bone density and quality must be assessed to ensure sufficient mechanical support and suitability for biological fixation. Bone stock of insufficient quality may not be capable of providing the necessary stability for cementless implantation. If the patient’s bone is of questionable quality, cemented option should be adopted.
When using the cementless option, it is also critical to ensure that the bone resection surfaces are flat and free of debris or fragments.
Assemble the femoral component to the LPI Locking Femoral Impactor (Figure 6), and position the femoral component onto the distal femur. Slight upward pressure should be applied to the Impactor Handle as the component is being impacted to prevent the femoral component from rotating into flexion.
To assemble the Non-locking Femoral Impactor to the LPI Impactor Handle, place the lever on the LPI Impactor Handle to the “release” position, attach the Non-locking Femoral Impactor onto the handle then move the lever to the “locked” position (Figure 7). Final impaction of the femoral component is performed with the Non-locking Femoral Impactor assembled to the LPI Impactor Handle (Figure 8). For cementless implantation, it is critical to ensure that the distal femur resection surface is in full contact with the porous implant after impaction.
Follow the Optetrak Logic LPI Operative Technique for final installation of the patellar and tibial components.
In the USA, the Optetrak Comprehensive Knee Systems are indicated for cemented use only, except for the Optetrak Logic PS and CR Porous femoral components, which are indicated for cemented or cementless use.
Exactech Inc., as the manufacturer of this device, does not practice medicine, and is not responsible for recommending the appropriate surgical technique for use on a particular patient. These guidelines are intended to be solely informational and each surgeon must evaluate the appropriateness of these guidelines based on his or her personal medical training and experience. Prior to use of this system, the surgeon should refer to the product package insert for comprehensive warnings, precautions, indications for use, contraindications and adverse effects.
Exactech, Inc. is proud to have offices and distributors around the globe. For more information about Exactech products available in your country, please visit www.exac.com.
Logic Porous®
Figure 6Position Femoral Component on Distal Femur
Figure 8Impact Final Femoral
Component
Move Parallel to Handle to Lock
Figure 7Assemble Non-Locking Femoral Impactor
to the LPI Impactor Handle
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