Yes there is a good chance you can get the park to pay your uninsured medical bills. It is also possible that your daughter has a claim for permanent injury and pain and suffering. In order to help you understand her rights, I would want to learn a lot more about how and where the accident happened.
Your facts certainly suggest a failure on the part of your prior attorney to fully investigate and pursue the issue of primary liability, which may form the basis of a legal malpractice claim. However, I would also be interested in learning more about when the accident occurred and more about your injuries.
I would want to learn a lot more from you about your husband's age and pre-accident medical conditions, exactly when and how the accident happened, the severity of the impact, what type of restraints ( seatbelts, airbags) were deployed, whether he was taken to the hospital from the scene, what sorts of symptoms and complaints were documented and when, etc., etc., etc.
New Jersey DWI Attorney - Breathalyzer - Asthma and other medical conditions - By Patrick Amoresano Asthma and other medical conditions can certainly impact a person's ability to comply with Breathalyzer test requirements and results. Consult a qualified NJ DWI attorney immediately, preferably one who has served as a former Municipal Prosecutor and know the ropes.
You should not take person A's word that he has no insurance coverage, but even if he doesn't, you may have a claim under the Uninsured Motorist provisions of your own policy. I would want to know more about the insurance coverage issue and the extent of your injuries, treatment, and prognosis.