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Zimmer Biomet Persona User Manual

Zimmer Biomet Persona
76 pages
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Persona
®
The Personalized Knee
Surgical Technique

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Zimmer Biomet Persona Specifications

General IconGeneral
CategoryMedical Equipment
ManufacturerZimmer Biomet
Product TypeKnee Implant
SterilitySterile
Regulatory StatusFDA Approved
MaterialTitanium, polyethylene
Intended UseTotal knee arthroplasty
DesignPersonalized, designed to match patient's anatomy

Summary

Introduction

Constraint Options

Details on implant constraint levels based on patient needs and PCL status.

Preoperative Planning

Steps for obtaining and analyzing patient radiographs for surgical planning.

Patient Preparation

Guidelines for patient positioning, muscle relaxation, and anesthesia for surgery.

Surgical Approach

Options for surgical access and the principle of measured resection.

Magnet Usage

Safety precautions regarding magnetic instruments and pacemakers.

Symbols

Explanation of standard symbols used in the surgical technique manual.

Screw/Pin Information

Chart detailing compatible screws/pins, item numbers, and usage guidelines.

Resect Distal Femur

Assemble Adjustable Distal Resection Instrumentation

Step-by-step guide to assembling the distal femoral resection instrumentation.

Establish Femoral Alignment

Procedure for aligning the distal femoral resection guide using the IM rod.

Perform Distal Femur Resection

The actual cutting of the distal femur using the assembled instrumentation.

Optional Instruments for Distal Femur Resection

Information on alternative instruments for distal femoral resection.

Optional Cutting Technique for Distal Femur

Alternative method for performing the distal femoral bone cut.

Resect Proximal Tibia

Assemble Extramedullary (EM) Alignment Guide

Instructions for assembling the EM alignment guide for tibial cuts.

Position Alignment Guide

Steps to position the EM alignment guide for accurate tibial resection.

Set Resection Level

Method for setting the correct depth for the tibial bone resection.

Perform Proximal Tibia Resection

The actual cutting of the proximal tibia using the guide.

Optional Technique for Proximal Tibia Resection

Alternative methods for performing the proximal tibial bone cut.

Size Femur and Establish External Rotation

Sizing and External Rotation of the Femur

Using the anterior referencing sizer to determine femoral size and external rotation.

Complete Femoral A/P and Chamfer Resections

Optional Instrument for Femoral Cuts

Details on the optional shift block for femoral cut adjustments.

Establish Size and Rotation of Tibia

Drill and Broach Tibia

Drill and Broach Tibia Procedure

Preparing the tibia by drilling and broaching for implant placement.

Optional Technique for Tibial Drilling

Alternative method for drilling tibial peg holes using a stop collar.

Prepare the Patella

Resect the Patella

Technique for resecting the patella using the osteotomy guide.

Finish the Patella

Steps for finishing the patella preparation and peg hole drilling.

CR Femoral Finishing and Trialing

PS Femoral Finishing and PS Box Preparation

Perform Trial Reduction

Tibial Articular Surface Provisional (TASP) Assembly

Implant Components

Tibial Plate Implantation

Procedure for implanting the tibial plate with cement.

Femoral Component Implantation

Steps for implanting the femoral component using cement.

Bearing Insertion

Method for seating the tibial bearing onto the baseplate.

Patellar Component Implantation

Technique for implanting the all-polyethylene patellar component.

All-Polyethylene Patella

Specific technique for implanting the all-polyethylene patellar component.

Close Incision

Final steps of wound irrigation, closure, and bandaging.

Surgeon Notes and Tips for Implantation

Important considerations during implant component placement.

Appendix A: Recut Guides

2 Degrees Valgus Recut Guide

Using the valgus recut guide for correcting tibial plateau angles.

2 Degrees Varus Recut Guide

Using the varus recut guide for correcting tibial plateau angles.

Appendix B: Spacer Block Technique

Check Extension Gap

Evaluating the extension gap using spacer blocks for ligament balance.

Check Flexion Gap

Evaluating the flexion gap using spacer blocks for ligament balance.

Balance Flexion and Extension Gaps

Strategies for resolving flexion/extension gap mismatches.

Appendix C: Optional Instruments

Resect Distal Femur – Fixed Distal Resection Instrument

Using a fixed system for distal femoral resection and alignment.

Resect Distal Femur – PRI Distal Resection Instrument

Utilizing the PRI distal resection instrument for femoral cuts.

Shift Block for Femoral Cuts

Using the shift block for adjusting femoral cut positions and rotations.

Appendix D: Compatibility Charts

CR Compatibility

Compatibility of CR femoral, CR bearing, and tibial components.

MC Compatibility

Compatibility of CR femoral, MC bearing, and tibial components.

UC Compatibility

Compatibility of CR femoral, UC bearing, and tibial components.

PS Compatibility

Compatibility of PS femoral, PS bearing, and tibial components.

CPS Compatibility

Compatibility of PS femoral, CPS bearing, and tibial components.

CR Femoral/NexGen CR/CR-Flex Bearing Compatibility

Compatibility matrix for CR femoral with NexGen CR/CR-Flex bearings.

Persona CR Femur/NexGen CR Monoblock Tibia Compatibility

Compatibility between Persona CR Femur and NexGen CR Monoblock Tibia.

PS Femoral/NexGen LPS-Flex Bearing Compatibility

Compatibility of PS femoral with NexGen LPS-Flex bearings and tibial components.

Persona PS Femur/NexGen LPS Monoblock Tibia Compatibility

Compatibility between Persona PS Femur and NexGen LPS Monoblock Tibia.

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