US 12,292,435 B2
Apparatus for diagnosing lung cancer based on exhaled breath and method for diagnosing same
Dae-Sik Lee, Daejeon (KR); Sang Hoon Jheon, Seoul (KR); Hyung-Kun Lee, Daejeon (KR); Yoohwa Hwang, Seongnam-si (KR); Doyeob Kim, Daejeon (KR); Chang-Beom Kim, Daejeon (KR); and Jin Oh Lee, Daejeon (KR)
Assigned to Electronics and Telecommunications Research Institute, Daejeon (KR); and Seoul National University Hospital, Seoul (KR)
Filed by ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon (KR); and SEOUL NATIONAL UNIVERSITY HOSPITAL, Seoul (KR)
Filed on Oct. 31, 2022, as Appl. No. 17/978,096.
Claims priority of application No. 10-2022-0033989 (KR), filed on Mar. 18, 2022.
Prior Publication US 2023/0296583 A1, Sep. 21, 2023
Int. Cl. G01N 33/497 (2006.01); G01N 1/22 (2006.01); G01N 33/00 (2006.01)
CPC G01N 33/497 (2013.01) [G01N 1/2205 (2013.01); G01N 33/0047 (2013.01); G01N 33/0016 (2013.01); G01N 33/4975 (2024.05); G01N 2800/12 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A disease diagnostic apparatus comprising:
a pump configured to pump respiratory gas;
a first pre-treatment portion connected to the pump and configured to remove moisture and bad breath in the respiratory gas;
a second pre-treatment portion disposed between the first pre-treatment portion and the pump and configured to regulate humidity of the respiratory gas;
a third pre-treatment portion disposed between the second pre-treatment portion and the pump and configured to regulate noise of non-polar volatile organic compounds in the respiratory gas;
a fourth pre-treatment portion which is connected between the third pre-treatment portion and the volatile organic compound detector and regulates noise of polar volatile organic compounds in the respiratory gas; and
a volatile organic compound detector connected between the third pre-treatment portion and the pump and configured to detect volatile organic compounds in the respiratory gas.