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1. WO2022010722 - METHODS AND SYSTEMS FOR DETERMINING COLLATERAL VENTILATION

Publication Number WO/2022/010722
Publication Date 13.01.2022
International Application No. PCT/US2021/040000
International Filing Date 30.06.2021
IPC
A61B 5/08 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
08Measuring devices for evaluating the respiratory organs
A61B 1/267 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
267for the respiratory tract, e.g. laryngoscopes, bronchoscopes
A61B 5/083 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
08Measuring devices for evaluating the respiratory organs
083Measuring rate of metabolism by using breath test, e.g. measuring rate of oxygen consumption
A61B 5/085 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
08Measuring devices for evaluating the respiratory organs
085Measuring impedance of respiratory organs or lung elasticity
A61B 5/087 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
08Measuring devices for evaluating the respiratory organs
087Measuring breath flow
A61B 5/097 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
08Measuring devices for evaluating the respiratory organs
097Devices for facilitating collection of breath or for directing breath into or through measuring devices
Applicants
  • PULMONX CORPORATION [US]/[US]
Inventors
  • RADHAKRISHNAN, Sri
  • OLIVERA, Ryan
Agents
  • HESLIN, James Mitchell
Priority Data
63/050,63210.07.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METHODS AND SYSTEMS FOR DETERMINING COLLATERAL VENTILATION
(FR) PROCÉDÉS ET SYSTÈMES DE DÉTERMINATION DE VENTILATION COLLATÉRALE
Abstract
(EN) Methods and systems for determining collateral ventilation are disclosed. Methods may comprise introducing a diagnostic catheter into a lung compartment via an assisted ventilation device, inflating the occluding member to isolate the lung compartment, and performing a diagnostic procedure with the catheter while the patient is ventilated via the assisted ventilation device. The diagnostic procedure comprises determining an exhaled volume from the isolated lung compartment over a predetermined period of time while the patient is ventilated via the assisted ventilation device. The presence collateral ventilation may be determined based on the exhaled volume from the isolated lung compartment over the predetermined period of time.
(FR) Sont divulgués des procédés et des systèmes de détermination de ventilation collatérale. Les procédés peuvent comprendre l'introduction d'un cathéter de diagnostic dans un compartiment pulmonaire par l'intermédiaire d'un dispositif de ventilation assistée, le gonflage de l'élément d'occlusion pour isoler le compartiment pulmonaire, et l'exécution d'un processus de diagnostic avec le cathéter pendant que le patient est ventilé par l'intermédiaire du dispositif de ventilation assistée. Le processus de diagnostic comprend la détermination du volume expiré provenant du compartiment pulmonaire isolé pendant une période prédéterminée pendant que le patient est ventilé par l'intermédiaire du dispositif de ventilation assistée. La présence d'une ventilation collatérale peut être déterminée sur la base du volume expiré provenant du compartiment pulmonaire isolé pendant la période prédéterminée.
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