Thanks for the advise all, I ended up going back and spending Saturday night in hospital. I have a urinary infection, the implant is all good.
I will update my signature next week as I have no idea what model it is

Hi all, Bob here, from England. I'm coming up to two weeks post op. I was recovering quite nicely but had to go back into London on Tuesday, a week after my operation as they hadn't deflated me and a 90%-er was making life very difficult. Anyway since then I've been having severe pain and although m...