When choosing an alert system, ask the following three questions: Is the monitoring being done at a UL Listed monitoring center owned by the company you are getting your service from? Can you cancel your service at any time, with no minimum term and no cancellation fees? Are you paying a low monthly rate (around $1 per day) with no installation or shipping fees?
If your loved will be bedridden in your home, ask a doctor to prescribe a home health nurse for a week or two to help train you to understand how & when to move them and how to do so without hurting yourself. You should also be very aware of pressure (or bed) sores whether they're in a wheelchair or bedridden these can be quite painful and become septic and fetid.