One of th executing screws has fallen out plus a bit off another.
Drive Devilbiss Bed Backrest Support
Electric Lifting Cushion for Elderly, Portable Backrest Lifter for Electric Beds, Medical Bed Backrest Support for Sitting and Reclining
Adjustable Electric Backrest Pillow Lifter for Neck and Lumbar Support - Heavy Duty Medical Bed Backrest for Comfort and Support
Adjustable Electric Pillow Lifter - Portable Sit-Up Chair with Neck, Head, and Lumbar Support for Elderly Medical Bed Backrest
Electric Medical Bed Backrest Lifter with Detachable Armrests, Adjustable 5°-65° Sit-Up Assist Aid with Remote Control for Neck, Head, and Lumbar Support
Electric Pillow Lifter - Portable Sit-Up Chair for Elderly - Neck, Head, and Lumbar Support - Medical Bed Backrest
