US 11,786,682 B2
End-expiratory CO2 guided tracheal intubation device
Hong Jiang, Shanghai (CN); Ming Xia, Shanghai (CN); Yu Sun, Shanghai (CN); and Jia Yan, Shanghai (CN)
Assigned to Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai (CN)
Filed by Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai (CN)
Filed on Dec. 11, 2020, as Appl. No. 17/118,613.
Claims priority of application No. 201911267307.7 (CN), filed on Dec. 11, 2019.
Prior Publication US 2021/0178097 A1, Jun. 17, 2021
Int. Cl. A61M 16/04 (2006.01); A61M 16/00 (2006.01)
CPC A61M 16/0463 (2013.01) [A61M 16/0003 (2014.02); A61M 16/045 (2014.02); A61M 16/0488 (2013.01); A61M 2016/0413 (2013.01)] 2 Claims
OG exemplary drawing
 
1. An end-expiratory CO2 guided tracheal intubation device, comprising an intubation tube, an end-expiratory CO2 catheter, a suction tube, an airbag, and an inflation tube, wherein:
the end-expiratory CO2 catheter partially penetrates a sidewall of the intubation tube, and one end of the end-expiratory CO2 catheter extends beyond an end of the intubation tube, and the other end of the end-expiratory CO2 catheter is connected to an end-expiratory CO2 sensor;
the suction tube partially penetrates the sidewall of the intubation tube, and one end of the suction tube extends beyond the end of the intubation tube, and the other end of the suction tube is connected to an air pump;
the airbag is sleeved on an outer wall of the intubation tube (100);
the inflation tube partially penetrates the sidewall of the intubation tube, and one end of the inflation tube is connected to the airbag and the other end of the inflation tube is connected to an air supply device;
the sidewall of the intubation tube is provided with an end-expiratory CO2 catheter installation groove and a suction tube installation groove;
the end-expiratory CO2 catheter comprises a first end tube segment, a retractable first tube segment and a first tail tube segment, which are connected in sequence; the first end tube segment is connected to the end-expiratory CO2 sensor; the first tube segment is disposed in the end-expiratory CO2 catheter installation groove, and is sleeved with a first spring, one end of the first spring is abutted on a first stop block provided on the first tail tube segment, and the other end of the first spring is abutted on an end wall of the end-expiratory CO2 catheter installation groove; the first tail tube segment extends to the outside of the intubation tube;
the suction tube comprises a second end tube segment, a retractable second tube segment and the second tail tube segment, which are connected in sequence; the second end tube segment is connected to the air pump; the second tube segment is disposed in the suction tube installation groove, and is sleeved with a second spring;
one end of the second spring is abutted on a second stop block provided on the send tail tube segment, and the other end of the second spring is abutted on an end wall of the suction tube installation groove; the second tail tube segment extends to the outside of the intubation tube.