1. Trolley Gliding Vehicle Device used in patients with Early Onset scoliosis
A. Aoude, L. Simoes, S. Aldebeyan, J. Ouellet
McGill University
Division of Orthopedics- Spine Surgery
McGill Scoliosis & Spine Group

2. Basic & Clinical Research
Disclosure
Dr. Jean Ouellet is a consultant for Depuy Synthes Growing Rod Technologies
Commercial Interest
What was Received
For What Role
Depuy Synthes
AO Foundation
Honorarium / Travel
Research Funds
Teaching / Consultant
Basic & Clinical Research
Teaching
McGill Scoliosis & Spine Group

3. Objective
To present TGV an innovative device and the new surgical technique along with early results of implantations of the device
CE mark EU approved
UhmwPE
TAN
PEEK
TGV
McGill Scoliosis & Spine Group

4. Indications
Patient comorbid factors which increased surgical risk for repetitive surgery
Growing patient: Older than 5 younger than 10
Flexible curves

5. Surgical Technique Low profile Solid proximal and distal
Apical Control
Trans-muscular dissection at APEX - insertion TGV implants
Strategic placement of gliding anchors
Two pairs of rod
McGill Scoliosis & Spine Group

6. McGill Scoliosis & Spine Group
Cantelver reduction
McGill Scoliosis & Spine Group

7. Case 2
Case 3
Case 1

8. Growth Guiding System
Case Example

10. Day 7 PO
3mo PO
6mo PO

11. Results
Six patients with Early Onset Scoliosis were treated with TGV by a single surgeon at three institutions
Results
Average Age
7.2 years (5-11 years old)
Average Pre-Op Cobb
76.60 ( )
Average Post Op Cobb
30.20 (0-550)
Average Correction
60% (50-73%)
Average Follow Up
8 months
McGill Scoliosis & Spine Group

12. Conclusion
We present early results of a new spinal gliding implant in six patients
Surgery technically feasible
Trolley Gliding Vehicle showed good correction of spinal deformity
Results can not provide any long term conclusion
McGill Scoliosis & Spine Group