US 12,239,297 B2
Video laryngoscope with guided decontamination device
Hushan Ao, Beijing (CN); Da Ha, Beijing (CN); Yi Qiu, Beijing (CN); Xizhe Zhang, Beijing (CN); Yi Sun, Beijing (CN); YuHua Gong, Beijing (CN); Rina Wu, Beijing (CN); Haixia Shi, Beijing (CN); and Ni Shu, Beijing (CN)
Assigned to Hushan Ao, Beijing (CN)
Appl. No. 18/569,786
Filed by Hushan Ao, Beijing (CN)
PCT Filed Jun. 21, 2022, PCT No. PCT/CN2022/100002
§ 371(c)(1), (2) Date Dec. 13, 2023,
PCT Pub. No. WO2023/005507, PCT Pub. Date Feb. 2, 2023.
Claims priority of application No. 202110841293.6 (CN), filed on Jul. 26, 2021.
Prior Publication US 2024/0260824 A1, Aug. 8, 2024
Int. Cl. A61B 1/00 (2006.01); A61B 1/05 (2006.01); A61B 1/06 (2006.01); A61B 1/12 (2006.01); A61B 1/267 (2006.01)
CPC A61B 1/126 (2013.01) [A61B 1/00052 (2013.01); A61B 1/05 (2013.01); A61B 1/0676 (2013.01); A61B 1/267 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A video laryngoscope comprising:
a laryngoscope handle;
a video laryngoscope blade, wherein a front end of the video laryngoscope blade is equipped with a light source and a camera; and
a guided decontamination device that includes a guide tube and a decontamination rod, wherein:
the guide tube is fixed on an outer wall of the laryngoscope handle;
the decontamination rod comes into a sliding fit with the guide tube, extends upward from a bottom of the guide tube, and has a front end bent to form a decontamination scraper rod;
the decontamination scraper rod is fit with end faces of the camera and the light source at the front end of the video laryngoscope blade;
the guide tube has an upper segment that is used as a spring chamber, and a lower segment that is used as a guide chamber;
a diameter of the spring chamber is larger than that of the guide chamber, a reset spring is assembled in the spring chamber, and the decontamination rod and the guide chamber are in a sliding fit with each other;
wherein a inner sidewall of the front end of the video laryngoscope blade is provided with a decontamination scraper rod guide groove where one end of the decontamination scraper rod is assembled;
the decontamination scraper rod extends through a sliding fit in the decontamination scraper rod guide groove, and the decontamination scraper rod is parallel to the end faces of the camera and the light source to achieve a fit between the decontamination scraper rod and the end faces of the camera and the light source;
an outer wall of the video laryngoscope blade is provided with a limit snap ring, which is movably inserted in the video laryngoscope blade to form a decontamination rod limit chamber between the limit snap ring and the outer wall of the video laryngoscope blade; and
the decontamination rod is arranged movably in the decontamination rod limit chamber.