US 11,684,745 B2
Ventilator and gas supply control method thereof
Shiming Ai, Shenzhen (CN); Gang Yao, Shenzhen (CN); Leping Wu, Shenzhen (CN); Peitao Chen, Shenzhen (CN); and Xinsheng Li, Shenzhen (CN)
Assigned to SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO., LTD., Shenzhen (CN)
Filed by SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO., LTD., Shenzhen (CN)
Filed on Mar. 13, 2020, as Appl. No. 16/818,516.
Application 16/818,516 is a continuation of application No. PCT/CN2017/101662, filed on Sep. 13, 2017.
Prior Publication US 2020/0206452 A1, Jul. 2, 2020
Int. Cl. A61M 16/12 (2006.01); A61M 16/10 (2006.01); A61M 16/20 (2006.01); A61M 16/00 (2006.01)
CPC A61M 16/12 (2013.01) [A61M 16/0066 (2013.01); A61M 16/107 (2014.02); A61M 16/202 (2014.02); A61M 16/207 (2014.02); A61M 16/022 (2017.08); A61M 16/125 (2014.02); A61M 2016/0027 (2013.01); A61M 2016/0033 (2013.01); A61M 2202/0208 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A ventilator, comprising:
a first gas path, comprising a first pressurized gas source adaptor and a first flow adjustment device connected in sequence;
a second gas path, comprising a second pressurized gas source adaptor and a second flow adjustment device connected in sequence;
a third gas path, comprising a third pressurized gas source adaptor;
a first inhalation branch configured for delivering inhalation gas to a patient;
a second inhalation branch configured for delivering inhalation gas to the patient, the second inhalation branch comprising a gas compression device;
a switching device, configured to operate in a first mixing mode where the first gas path and the second gas path are connected to the first inhalation branch, and in a second mixing mode where the first gas path and the third gas path are connected to the second inhalation branch; and
an exhalation branch configured for managing exhaled gas of the patient.