Urgent Surgery Needed for Kurama's Life

This is Kurama and his brother Tobi. Kurama is 3 years old and needs your help. A couple months ago he was diagnosed with Feline urethral obstruction which is a condition causing the bladder to become blocked, to the point where they can no longer pee. This condition is very common amongst male cats. After taking him to the vet and maxing out care credit, they were able to treat him and get him unblocked. Unfortunately he became obstructed again a few weeks ago. After explaining to the vet that I maxed out my care credit and didn’t have the funds for the surgery, they recommended we euthanize . After applying for multiple loans, I was able to get help from “scratch pay” and we were able to get him unblocked again. Unfortunately this disease is going to likely cause him to keep re blocking. This is life threatening unless he gets a specific surgery called a perineal urethrostomy to prevent him from being blocked again. This surgery is going to be 6500 dollars which I included in the photos. If you are able to donate anything it will be extremely appreciated.