The donor was a brain-dead patient, hospital officials said.
He also said he had given drugs to the thousands of brain-dead patients to preserve their donated organs.
The vest has been tested on brain-dead patients as well as dogs and pigs.
From time to time a brain-dead patient was taken off his life support system, but neither doctors nor nurses acknowledged the fact.
When a hospital has a brain-dead patient who might be a donor, it alerts its regional procurement group.
After the film's ending credits, she appears again attending to the brain-dead patient, who suddenly speaks to her in Xavier's voice.
Patients aged 16 years or more were eligible for the study with the exception of burn and brain-dead patients.
He advertises an offer of a million dollars for the donation of a body from a brain-dead patient.
A brain-dead patient, after all, may have a pulse even though the person's life is over.
Doctors estimate that only 10 to 30 percent of the brain-dead patients who qualify as donors give organs.