I think you might find these related discussions also useful:
- Percussion Vest and Nebulizer: Do you use both, one or the other? https://connect.mayoclinic.org/discussion/percussion-vestnebulizer/
- What is the optimal percentage for the chest wall oscillation vest? https://connect.mayoclinic.org/discussion/vest/
- Can you use a percussion vest with brittle bones & spine issues? https://connect.mayoclinic.org/discussion/vest-1/
- Percussion Vests: Are you using one? Is it working for you? https://connect.mayoclinic.org/discussion/percussion-vests/