Hello, I am solicitor with over 15 years experience. I will try to help you with this.
I think you may well have a claim. You should see a specialist solicitor ASAP. Follow this link to the Association of Victims of Medical accidents list of solicitors http://www.avma.org.uk/pages/find_a_solicitor.html. No win no fee agreements are frequest in this area and I think legal aid can still be available in some circumstances. You need to do this quickly as there are timie limits for bringing cases.
Thank you for your prompt reply and advice
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