Title:
SPIROMETER
Document Type and Number:
WIPO Patent Application WO/2019/225843
Kind Code:
A1
Abstract:
One embodiment of a spirometer can comprise: a plurality of cylinders having first through-holes formed at the lower parts thereof; floaters accommodated inside the cylinders and provided to be movable in the longitudinal direction of the cylinder; a ventilation pipe including a first communicating part that communicates with one side of the cylinder and a second communicating part, which communicates with the first communicating part, is formed to be bent with respect to the first communicating part, and has a second through-hole; a flexible hose communicating with the second communicating part, and provided to be deformable; and an opening/closing lever coupled to the second communicating part so as to regulate the opening rate of the second through-hole.
Inventors:
KIM SEO KON (KR)
KIM IL (KR)
HA MYUNG HEON (KR)
NAM KI WON (KR)
KO JUNG YUL (KR)
LEE SEOG JU (KR)
KIM IL (KR)
HA MYUNG HEON (KR)
NAM KI WON (KR)
KO JUNG YUL (KR)
LEE SEOG JU (KR)
Application Number:
PCT/KR2019/003011
Publication Date:
November 28, 2019
Filing Date:
March 15, 2019
Export Citation:
Assignee:
SOLCO BIOMEDICAL CO LTD (KR)
International Classes:
A61B5/091
Foreign References:
| US4114607A | 1978-09-19 | |||
| US4391283A | 1983-07-05 | |||
| US4444202A | 1984-04-24 | |||
| KR20170117673A | 2017-10-24 | |||
| KR20090084308A | 2009-08-05 |
Attorney, Agent or Firm:
KIM, Tae Sun (KR)
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