US 11,865,257 B2
ICU-special portable nebulization device enabling autonomous respiration according to airflow
Jian Hua, Guangdong (CN); and Xuefeng Song, Guangdong (CN)
Assigned to FEELLIFE HEALTH INC., Shenzhen (CN)
Appl. No. 15/733,521
Filed by FEELLIFE HEALTH INC., Guangdong (CN)
PCT Filed Nov. 20, 2018, PCT No. PCT/CN2018/116509
§ 371(c)(1), (2) Date Aug. 19, 2020,
PCT Pub. No. WO2020/029469, PCT Pub. Date Feb. 13, 2020.
Claims priority of application No. 201810892265.5 (CN), filed on Aug. 7, 2018; and application No. 201821265331.8 (CN), filed on Aug. 7, 2018.
Prior Publication US 2020/0384223 A1, Dec. 10, 2020
Int. Cl. A61M 16/08 (2006.01); A61M 16/14 (2006.01); A61M 16/00 (2006.01); A61M 16/06 (2006.01)
CPC A61M 16/022 (2017.08) [A61M 16/0666 (2013.01); A61M 16/0833 (2014.02); A61M 16/0875 (2013.01); A61M 16/0883 (2014.02); A61M 2209/08 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An ICU-special portable nebulization device enabling autonomous respiration according to airflow, comprising a nebulization control host, a nebulization generator provided on the nebulization control host, and a tee connecting pipe provided on the nebulization generator;
wherein the nebulization generator comprises a bottom housing, a medicinal solution tank provided on the bottom housing and spaced apart from a space of the bottom housing, a medicinal solution outlet provided on the bottom of the medicinal solution tank, an air guide port provided on the bottom housing at the same side as the medicinal solution outlet, a nozzle tube sheathed on the periphery of the medicinal solution outlet and the air guide port, a partition provided in the nozzle tube which separates the medicinal solution outlet and the air guide port, a nebulization sheet provided between the medicinal solution outlet and the nozzle tube, and a first circuit board provided in the bottom housing which is connected with the nebulization sheet;
wherein the partition in the nozzle tube separates the interior of the nozzle tube into a nebulization cavity communicated with the medicinal solution outlet and an air cavity communicated with the air guide port; a sensor connected with the first circuit board is provided in the air cavity;
wherein the nozzle tube on the side of the air cavity is provided with a cross-section stopper that blocks the opening of the air cavity, a first ventilation port and a second ventilation port communicated with the air cavity are respectively provided on two sides of the cross-section stopper; and
wherein the first circuit board extends to the outside of the bottom housing and is connected with the nebulization generator.