US Patent Issued to DCSTAR on July 7 for "Suction device for sucking obstruction in respiratory tract and use method therefor" (New York Inventor)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,149, issued on July 7, was assigned to DCSTAR INC (New York).

"Suction device for sucking obstruction in respiratory tract and use method therefor" was invented by Ligui He (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "A suction device includes a negative pressure generator, a connector and a mask; the negative pressure generator comprises a housing and a piston rod, wherein the housing is internally provided with a cavity, an upper end of the housing is provided with an avoidance hole communicated with the cavity, and a lower end thereof is provided with an opening communicated with the cavity; the piston rod comprises a push-pull rod and...