One passenger on the plane going to Minneapolis was injured by the needle but declined medical treatment upon landing, according to Baur.

CNN: STORY HIGHLIGHTS

Sorenson went on to excel as an inventor, developing such medical necessities as the disposable surgical mask and a thin-walled steel needle.

FORBES: Billionaire Sorenson Gave It All Away

The latest models from Rita Medical and Boston Scientific contain umbrella-like tines that fold out from the main needle once it has been inserted into the tumor.

FORBES: Magazine Article