US Patent Issued to Covidien on Nov. 3 for "Aspiration pulsator" (California, Massachusetts Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,609, issued on Nov. 3, was assigned to Covidien LP (Mansfield, Mass.).

"Aspiration pulsator" was invented by Peter Skujins (Menifee, Calif.), Brad L. Jackson (San Diego) and Xiaodong Ma (Acton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some examples, a medical aspiration system includes a vacuum source; a vacuum tube coupled to the vacuum source; a vent tube; and a device configured to convert a constant suction force from the vacuum source into a periodic suction force, the device including a housing configured to receive a portion of the vacuum tube and a portion of the vent tube; a first plunger; a second plunger; and a rotatable cam...