Patent · US Active

Spirometer, mouthpiece tube and inspection method thereof

US10863923B2 · kind B2 · utility

0Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 15, 2017
Grant dateDec 15, 2020
Priority date
Expiry dateFeb 11, 2038

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B5/0871
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Spirometer, mouthpiece tube and inspection method thereof. The spirometer includes at least the mouthpiece tube and an ultrasound detector configured to detect the ultrasound generated by the gas flowing through the mouthpiece tube, wherein the mouthpiece tube has a shell having an opened end, a closed or opened end, and an ultrasonic generator configured to be inserted into different portions of the shell in different situations. Therefore, by inserting the ultrasonic generator into different portions of the shell during expiration and inspiration, the gas flow during expiration and inspiration may be converted into the ultrasonic signal and then maybe detected and analyzed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.