US 11,684,742 B2
Nasal cannula device
Jeng-Yu Chou, Yilan County (TW); and Kuang-Ming Chiang, Yilan County (TW)
Assigned to FOXXMED LTD., Yilan County (TW)
Filed by FOXXMED LTD., Yilan County (TW)
Filed on Dec. 8, 2020, as Appl. No. 17/115,150.
Application 17/115,150 is a continuation of application No. 16/038,124, filed on Jul. 17, 2018, granted, now 10,905,840.
Prior Publication US 2021/0085906 A1, Mar. 25, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 16/06 (2006.01); A61M 16/08 (2006.01); A61M 16/16 (2006.01)
CPC A61M 16/0666 (2013.01) [A61M 16/0672 (2014.02); A61M 16/0816 (2013.01); A61M 16/16 (2013.01); A61M 2202/0208 (2013.01); A61M 2205/0216 (2013.01); A61M 2205/42 (2013.01)] 1 Claim
OG exemplary drawing
 
1. A nasal cannula device comprising:
a cannula body including:
a body portion; and
a nasal joint tube, which includes
a tube section;
a block ring protruding outwardly from an outer surface of the tube section; and
a recessed annular section disposed between the body portion and the block ring,
wherein:
the recessed annular section has a thickness smaller than that of the tube section, a substantially uniform diameter, and a length equal to or shorter than one half of an inside diameter of the recessed annular section.