US Patent Issued to Portal Instruments on March 4 for "Needle-free injector with gas bubble detection" (Massachusetts Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,824, issued on March 4, was assigned to Portal Instruments Inc. (Cambridge, Mass.).

"Needle-free injector with gas bubble detection" was invented by Tyler F. Barkin (Cambridge, Mass.) and Marc Pelletier (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A needle-free injector includes a housing, a cartridge positioned within the housing, and a plunger slidably coupled to and disposed within the chamber, a motor operatively coupled to the plunger, the motor operable to actuate the plunger in the chamber, and a controller operatively coupled to the motor. The controller is operable to selectively operate the plunger according to any of a...