Kim-
If fundamentalist knew that a vicectomy existed, then preaching as we know it might cease.
From what I understand, there are a few ways that a vasectomy can be performed. I know that there is the potential to reverse at least some of these.
As a guy, I believe that I would rather remain childless that to have someone poking at my nuts with a needle.
My expertise in fertility relates to the five children that I fathered 20 to 30 years ago.
My gut level reaction is that you need to speak with someone in the field of fertility. I am not at all sure that the one that performed the vasectomy could give you the information that you seek. Make a few phone calls, explain your situation, and if you receive a positive answer (yes, we might be able to help), make an appointment and both of you go in.
I pray that GOD has a child for you in the future.
JayR