ALEXANDRIA, Va., April 9 -- United States Patent no. 12,268,654, issued on April 8.
"Negative pressure massager and massage method" was invented by Xiaobin Zhang (Yingshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A negative pressure massager includes a handle; one end of the handle is internally provided with a cavity, and a through hole is provided in one end; a control board, a battery connected to the control board, a button for adjusting a working state of the control board, and a display indicator lamp are arranged in the handle; the negative pressure assembly partially passes through the through hole; the negative pressure assembly includes a negative pressure pipe arranged on the handle, ...