ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,549, issued on March 4, was assigned to Spineology Inc. (St. Paul, Minn.).

"Tube twister engaging fill tube" was invented by Joseph E. Gleason (Eagan, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical implant fill system can include a fill tube and a tube twister. A flange of the fill tube can be keyed to the tube twister so that the fill tube does not rotate independent from the tube twister when the flange is engaged with the tube twister. A release mechanism secures the flanged end to the tube twister. Visual and tactile indications can be provided on the tube twister to show the direction of the dispensing end of the fill tube."

T...