US Patent Issued to GUANGDONG GUOSHIJIAN TECHNOLOGY DEVELOPMENT on Jan. 13 for "Negative-pressure sputum suction device capable of intermittently sucking sputum for the pneumology department" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,480, issued on Jan. 13, was assigned to GUANGDONG GUOSHIJIAN TECHNOLOGY DEVELOPMENT Co. LTD (Foshan, China).

"Negative-pressure sputum suction device capable of intermittently sucking sputum for the pneumology department" was invented by Wei Ma (Guangdong, China) and Jiasheng Huang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A negative-pressure sputum suction device capable of intermittently sucking sputum includes a box body, an intermittent negative pressure mechanism, an atomization mechanism, a negative pressure pipe, a ventilation frame, a filter screen, a collection mechanism, a box door, an anti-skid leg and a conveying p...