Hi JPJH and Anapurna.
Many thanks for your replies. Great advice from both. I have canceled my appointment with my Dr. to schedule surgery. Both of you are correct.
I am not confident in the person or device, and I have not hit that wall yet
.
This is a great site with many nice folks
who are sharing with what they have been through with those who haven't reached that destination yet.
Regards,
John747