As for the hospital itself, the family says the Cedars-Sinai Medical Center in Los Angeles "concealed information relating to the risks of surgery".
According to the lawsuit, which was obtained by Page Six on Tuesday, the family claims Dr. Ali Khoynezhad performed an unnecessary procedure which resulted in the "Apollo 13" star's death 11 days later.
The family's attorney, Bruce Broillet, made the following statement to Entertainment Tonight: "Bill Paxton and his family trusted the physicians and staff at this medical facility but instead Cedars-Sinai betrayed their trust".
Attorney Steve Heimberg noted in a press release accompanying the lawsuit that Khoynezhad left Cedars-Sinai shortly after Paxton's death. Paxton's cause of death was officially determined to be a stroke. The Fort Worth-born actor, who starred in "Apollo 13" and "Titanic", died February 25, 2017, at age 61.
Paxton, best known for his roles in "Aliens" and "The Terminator", suffered serious complications during and after the surgery.
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He also said it "provides the capacity to conduct undetected espionage". This could include altering information or stealing it altogether.
After suffering from complications from the surgery, the lawsuit states that Khoynezhad had left Paxton in the operating room without arranging for continuous care and failed to return to the operating room after being notified of the complications, including excessive bleeding and a damaged right coronary artery.
E! News said the "Twister" and "Titanic" actor's wife and children filed the court documents Friday. It claims he "lacked experience" to perform "a high risk and unconventional surgical approach".
"Nothing is more important to Cedars-Sinai than the health and safety of our patients", the statement reads.
"These remain our top priorities", the statement continued. In an interview with Marc Maron's "WTF" podcast, which dropped a week before his surgery, Paxton said he had suffered a bout of rheumatic fever as a seventh grader growing up in Fort Worth.
The actor, born in Fort Worth, Texas, was starring in U.S. broadcaster CBS's Training Day series when he died.