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Acknowledgements

Stryker Orthopaedics would like to thank
Dr. Masini for his help in developing the
Scorpio Trial Cutting Guide.

Michael A. Masini, MD

Ann Arbor Bone and Joint Surgery
St. Joseph Mercy Hospital
Ann Arbor, MI

Clinical Instructor in Orthopaedic Surgery
University of Michigan 
Ann Arbor, MI

Introduction

This surgical protocol is a supplement 
to the Scorpio Total Stabilizer Revision
Knee System Surgical Protocol 
(Lit No. LSTS/ST). 

The Scorpio Trial Cutting Guide is an
intramedullary based instrumentation
system focused on the restoration of the
joint line and proper flexion-extension
gap assessment.

1

Orthopaedics

Scorpio

®

TS

Single Axis Revision

Knee System

Scorpio TS

Trial Cutting Guide Surgical Protocol

2459_10_LSPK34_Rev2_Scorpio_Protocol_Text_012958 txt_.qxd  6/6/11  4:14 PM  Page 1

Summary of Contents for Scorpio TS

Page 1: ...n his or her own professional clinical judgment when deciding whether to use a particular product when treating a particular patient Stryker does not dispense medical advice and recommends that surgeo...

Page 2: ...Introduction This surgical protocol is a supplement to the Scorpio Total Stabilizer Revision Knee System Surgical Protocol Lit No LSTS ST The Scorpio Trial Cutting Guide is an intramedullary based ins...

Page 3: ...the Scorpio Total Stabilizer Revision Knee System Surgical Protocol Lit No LSTS ST page 5 If an offset is needed use the femoral offset reamer to prepare for the femoral offset Lit No LSTS ST page 9 F...

Page 4: ...knee Assemble the offset adapter into the housing of the TCG so the offset adapter is pointing to the appropriate left or right orientation Figure 4 3 Category Sizes Femoral Cutting Guides 3 5 7 9 11...

Page 5: ...e freely The anterior set screw will be fully secured after the appropriate offset and rotation is determined Figure 6 Note Rotating counterclockwise 1 2 turn will allow the offset adapter to rotate f...

Page 6: ...ine is in line with the medial epicondyle the distal surface of the TCG will be approximately located at the joint line The joint line can also be estimated using pre operative radiographs and anatomi...

Page 7: ...ver into the distal face of the offset adapter and rotate Figure 12 After final offset position has been determined tighten the anterior set screw to secure the offset position on the TCG Figure 6 pag...

Page 8: ...be conducted with the trial tibial components in place Figure 15 Select the appropriate trial tibial insert and place it onto the trial tibia Select the insert that provides varus valgus stability in...

Page 9: ...n the TCG s anterior pin hole to fix the TCG position once rotation has been established Figure 17 Place as many pins as necessary to securely fix the TCG on the distal femur Note Headless pins may no...

Page 10: ...sion situation even when the appropriately sized femoral implant is positioned at the joint line Using the TCG gives the surgeon the unique opportunity to upsize the femoral component and offset the n...

Page 11: ...5mm distally or 10mm posteriorly a bone graft may be required Figure 22 Box Cut When making the box cut cut along the outer sides of the box guide and cut completely through the femur Figure 23 and Fi...

Page 12: ...o verify the accuracy of the cuts and that the offset has been properly recreated Figure 26 See the Scorpio Total Revision Knee System Surgical Protocol Lit No LSTS ST page 10 for details on trial ass...

Page 13: ...anal Insertion 5 Joint Line Restoration to Medial Epicondyle 6 Initial Fixation Pin Insertion Quick Pictorial Surgical Technique Reference Scorpio Trial Cutting Guide Trial Stem Offset Adapter Trial C...

Page 14: ...l Rotation Alignment 10 Preliminary Trial Reduction 11 Posterior Femoral Cuts 12 Distal Femoral Cuts 13 Box Cut 14 Final Trial Assessment Quick Pictorial Surgical Technique Reference Scorpio Trial Cut...

Page 15: ...l Rotation Alignment 10 Preliminary Trial Reduction 11 Posterior Femoral Cuts 12 Distal Femoral Cuts 13 Box Cut 14 Final Trial Assessment Quick Pictorial Surgical Technique Reference Scorpio Trial Cut...

Page 16: ...n his or her own professional clinical judgment when deciding whether to use a particular product when treating a particular patient Stryker does not dispense medical advice and recommends that surgeo...

Page 17: ...s or her own professional clinical judgment when deciding whether to use a particular product when treating a particular patient Stryker does not dispense medical advice and recommends that surgeons b...

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