I also am worried about getting aids but is something i have been debating for a couple weeks si cant help you there. But I can help you with the braces. For my knees use the neenca knee sleeve.
NEENCA Knee Brace,Knee Compression Sleeve Support with Patella Gel Pad & Side Spring Stabilizers,Medical Grade Knee Protector for Running,Meniscus Tear,Arthritis,Joint Pain Relief,ACL,Injury Recovery https://www.amazon.com/dp/B08DTW4ZXT/ref=cm_sw_r_awdo_08MMTEDF02YSGP8JJDR3