WO2024142145A1 - 空気漏れ測定システム、空気漏れ測定用装置および空気漏れ測定方法 - Google Patents

空気漏れ測定システム、空気漏れ測定用装置および空気漏れ測定方法 Download PDF

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Publication number
WO2024142145A1
WO2024142145A1 PCT/JP2022/047869 JP2022047869W WO2024142145A1 WO 2024142145 A1 WO2024142145 A1 WO 2024142145A1 JP 2022047869 W JP2022047869 W JP 2022047869W WO 2024142145 A1 WO2024142145 A1 WO 2024142145A1
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Prior art keywords
oxygen concentration
air leak
air
measuring
lungs
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Ceased
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PCT/JP2022/047869
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English (en)
French (fr)
Japanese (ja)
Inventor
有為 渡辺
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Tohoku University NUC
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Tohoku University NUC
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Priority to PCT/JP2022/047869 priority Critical patent/WO2024142145A1/ja
Priority to JP2024566936A priority patent/JPWO2024142145A1/ja
Publication of WO2024142145A1 publication Critical patent/WO2024142145A1/ja
Anticipated expiration legal-status Critical
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Measuring devices for evaluating the respiratory organs

Definitions

  • the present invention relates to an air leak measurement system, an air leak measurement device, and an air leak measurement method.
  • Pulmonary fistula is a frequent complication following lung resection, and to prevent it, it is important to identify, repair, and evaluate the site of pulmonary fistula during surgery.
  • a water seal test has been used as a method for identifying and evaluating the site of pulmonary fistula (see, for example, Patent Document 1). The water seal test evaluates air leakage by storing saline in the thoracic cavity to immerse the lungs, and then inflating the lungs, observing the size and amount of air bubbles that leak out from the lungs.
  • the air leak measurement system of the present invention is characterized by having an oxygen concentration measurement means that is capable of measuring the time change in oxygen concentration at a desired position on the outer surface of the visceral pleura of the lung, and a display means that displays the time change in the oxygen concentration measured by the oxygen concentration measurement means.
  • the air leak measurement system of the present invention can use an oxygen concentration measurement means to measure the change in oxygen concentration over time at a desired position on the outer surface of the visceral pleura of the lungs, and display the measured change in oxygen concentration over time using a display means.
  • the air leak measurement system of the present invention can measure the change in oxygen concentration over time at a position on the outer surface of the visceral pleura of the lungs where gas leaks out of the lungs, and can measure the change in oxygen concentration over time that changes with breathing. This makes it possible to identify the location of air leaks due to pulmonary fistulas, etc., and evaluate air leaks.
  • the air leak measurement system of the present invention can evaluate air leaks simply by measuring the oxygen concentration along the outer surface of the visceral pleura of the lungs using gases with different oxygen concentrations, and can evaluate air leaks from the lungs more easily and in a shorter time than conventional methods that use tracers, laser light, imaging devices, ICG aerosols, etc., or water seal tests. It is also minimally invasive and can be used during surgery. Furthermore, after a site such as a pulmonary fistula has been covered and repaired with fibrin glue or a polyglycolic acid sheet, it is undesirable to inject saline, making it difficult to perform conventional water seal tests, whereas the air leak measurement system of the present invention can easily be used for reevaluation and confirmation after repair.
  • the oxygen concentration measurement means has an oxygen concentration measurement probe that is movable along the outer surface of the visceral pleura.
  • the oxygen concentration measurement probe can be easily moved along the outer surface of the visceral pleura of the lung, making it easy to perform measurements at the desired position on the outer surface of the visceral pleura.
  • the display means comprises, for example, a monitor, printer, etc.
  • the air leak measurement system of the present invention may use a device for measuring oxygen concentration as an air leak measurement device for measuring air leaks from the visceral pleura of the lungs.
  • a device for measuring oxygen concentration preferably has an oxygen concentration measurement means having an oxygen concentration measurement probe and capable of measuring the time change in oxygen concentration at a desired position, and a display means for displaying the time change in oxygen concentration measured by the oxygen concentration measurement means.
  • a commercially available multi-respiratory function measurement device "FB-8010" manufactured by Cosmos Web Co., Ltd.
  • the air leak measurement system of the present invention may use oxygen saturation, which can be converted from oxygen concentration, instead of oxygen concentration.
  • the present invention provides an air leak measurement system, an air leak measurement device, and an air leak measurement method that can evaluate air leaks from the lungs relatively easily and in a short time.
  • air leak measurement system 10 and air leak measurement method according to the present invention may use oxygen saturation, which can be converted from oxygen concentration, instead of oxygen concentration.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Physiology (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Examining Or Testing Airtightness (AREA)
PCT/JP2022/047869 2022-12-26 2022-12-26 空気漏れ測定システム、空気漏れ測定用装置および空気漏れ測定方法 Ceased WO2024142145A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2022/047869 WO2024142145A1 (ja) 2022-12-26 2022-12-26 空気漏れ測定システム、空気漏れ測定用装置および空気漏れ測定方法
JP2024566936A JPWO2024142145A1 (https=) 2022-12-26 2022-12-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/047869 WO2024142145A1 (ja) 2022-12-26 2022-12-26 空気漏れ測定システム、空気漏れ測定用装置および空気漏れ測定方法

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WO2024142145A1 true WO2024142145A1 (ja) 2024-07-04

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PCT/JP2022/047869 Ceased WO2024142145A1 (ja) 2022-12-26 2022-12-26 空気漏れ測定システム、空気漏れ測定用装置および空気漏れ測定方法

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119564959A (zh) * 2025-02-08 2025-03-07 海宁市绿健医疗用品有限公司 胸腔漏气流量的监测方法、装置、电子设备及存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011523363A (ja) * 2008-05-01 2011-08-11 スピレーション インコーポレイテッド 直接型肺センサシステム、方法、および装置
US20150374936A1 (en) * 2014-06-25 2015-12-31 Neomend, Inc. Pleural air leak test system
JP2018519012A (ja) * 2015-05-13 2018-07-19 アトリウム メディカル コーポレーション 胸腔ドレナージシステム
JP2019041780A (ja) * 2017-08-29 2019-03-22 日本電気株式会社 エアリーク発生原因判別装置及び方法
JP2022048528A (ja) * 2020-09-15 2022-03-28 学校法人昭和大学 空気漏れ可視化システム及び空気漏れ可視化方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011523363A (ja) * 2008-05-01 2011-08-11 スピレーション インコーポレイテッド 直接型肺センサシステム、方法、および装置
US20150374936A1 (en) * 2014-06-25 2015-12-31 Neomend, Inc. Pleural air leak test system
JP2018519012A (ja) * 2015-05-13 2018-07-19 アトリウム メディカル コーポレーション 胸腔ドレナージシステム
JP2019041780A (ja) * 2017-08-29 2019-03-22 日本電気株式会社 エアリーク発生原因判別装置及び方法
JP2022048528A (ja) * 2020-09-15 2022-03-28 学校法人昭和大学 空気漏れ可視化システム及び空気漏れ可視化方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119564959A (zh) * 2025-02-08 2025-03-07 海宁市绿健医疗用品有限公司 胸腔漏气流量的监测方法、装置、电子设备及存储介质

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