Any person, firm, or corporation operating a hospital in this state shall have a lien for the reasonable charges for hospital care of an injured person upon any and all causes of action accruing to the person to whom such care was furnished, or to the legal representatives of such person, on account of injuries giving rise to such causes of action and which necessitated such hospital care, subject, however, to any attorney's lien.
Minn. Stat. § 514.68
(8556-3) 1933 c 345 s 1