JP5039057B2 - いびき検出を備えるコンピュータ制御cpapシステム - Google Patents
いびき検出を備えるコンピュータ制御cpapシステム Download PDFInfo
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- JP5039057B2 JP5039057B2 JP2008548907A JP2008548907A JP5039057B2 JP 5039057 B2 JP5039057 B2 JP 5039057B2 JP 2008548907 A JP2008548907 A JP 2008548907A JP 2008548907 A JP2008548907 A JP 2008548907A JP 5039057 B2 JP5039057 B2 JP 5039057B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
- A61B5/097—Devices for facilitating collection of breath or for directing breath into or through measuring devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/003—Detecting lung or respiration noise
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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
- A61B5/48—Other medical applications
- A61B5/4806—Sleep evaluation
- A61B5/4818—Sleep apnoea
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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
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6814—Head
- A61B5/682—Mouth, e.g., oral cavity; tongue; Lips; Teeth
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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
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7271—Specific aspects of physiological measurement analysis
- A61B5/7282—Event detection, e.g. detecting unique waveforms indicative of a medical condition
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes with alarm devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0057—Pumps therefor
- A61M16/0066—Blowers or centrifugal pumps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0057—Pumps therefor
- A61M16/0066—Blowers or centrifugal pumps
- A61M16/0069—Blowers or centrifugal pumps the speed thereof being controlled by respiratory parameters, e.g. by inhalation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
- A61M16/022—Control means therefor
- A61M16/024—Control means therefor including calculation means, e.g. using a processor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0666—Nasal cannulas or tubing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3375—Acoustical, e.g. ultrasonic, measuring means
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- Oral & Maxillofacial Surgery (AREA)
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
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Description
吸気中に、「吸気いびき」が時定数Tinspを用いて吸気中にフィルタ処理された雑音として測定される。
呼気中に、「呼気いびき」が時定数Texpを用いて呼気中にフィルタ処理された雑音として測定される。
治療圧力変化が誤ったいびきの検出を引き起こさないことを保証するために、Tinsp>Texpである。
呼息に入る時に、(「吸気いびき」−「呼気いびき」)>「呼気いびき」/スレッショルド係数であるならば、いびきが検出されたと考えられる。
この値は、その後に、平均いびき値を導出するために複数回の呼吸(たとえば、5回の呼吸)に亘ってフィルタ処理される。
Claims (14)
- いびき音を検出するセンサを有するCPAP装置であって、
吸気中に音を測定し、時定数(Tinsp)を用いてフィルタ処理された吸気中の吸気値を決定するステップと、
呼気中に音を測定し、時定数(Texp)を用いてフィルタ処理された呼気中の呼気値を決定するステップであって、誤ったいびきが治療圧力の変化に起因して検出されないように前記時定数(Tinsp)が前記時定数(Texp)に関して調整されている、前記ステップと、
吸気が終わり呼気が始まる時に、前記吸気値と前記呼気値との間の差が所定のスレッショルド係数に対する前記呼気値の比を超えるならば、いびきを表す信号を供給するステップと、
複数回の呼吸に亘って前記いびきを表す信号をフィルタ処理し、平均いびき値として前記フィルタ処理された値を報告するステップと、
を実行するプロセッサ制御プログラムを備える、前記CPAP装置。 - 前記センサが圧力センサである、請求項1に記載のCPAP装置。
- 前記センサがマイクロホンである、請求項1に記載のCPAP装置。
- いびき音を検出するセンサを有するCPAP装置であって、
吸気中に音を測定し、時定数(Tinsp)を用いてフィルタ処理された吸気中の吸気値を決定するステップと、
呼気中に音を測定し、時定数(Texp)を用いてフィルタ処理された呼気中の呼気値を決定するステップであって、前記時定数(Tinsp)が前記時定数(Texp)より大きい、前記ステップと、
吸気が終わり呼気が始まる時に、前記吸気値と前記呼気値との間の差が所定のスレッショルド係数に対する前記呼気値の比を超えるならば、いびきを表す信号を供給するステップと、
複数回の呼吸に亘って前記いびきを表す信号をフィルタ処理し、平均いびき値として前記フィルタ処理された値を報告するステップと、
を実行するプロセッサ制御プログラムを備える、前記CPAP装置。 - 前記時定数(Tinsp)と前記時定数(Texp)が、装置の雑音を考慮するように選択される、請求項1に記載のCPAP装置。
- 前記信号は、誤ったいびきを考慮してフィルタ処理される、請求項1に記載のCPAP装置。
- 前記所定のスレッショルド係数が、前記吸気中の患者の雑音レベルと前記呼気中の患者の雑音レベルとの間の著しい差異を表す、請求項1に記載のCPAP装置。
- 呼吸可能な空気が特定のCPAP圧力で患者に供給され、いびき又は連続的ないびきが検出されるならば、前記CPAP圧力が増加される、請求項1に記載のCPAP装置。
- 呼吸可能な空気が特定のCPAP圧力で患者に供給され、いびきが長時間の間、検出されないならば、前記CPAP圧力が減少される、請求項1に記載のCPAP装置。
- 前記時定数(Tinsp)と前記時定数(Texp)は、装置の雑音を考慮して選択される、請求項4に記載のCPAP装置。
- 前記信号は、誤ったいびきを考慮してフィルタ処理される、請求項4に記載のCPAP装置。
- 前記所定のスレッショルド係数が、前記吸気中の患者の雑音レベルと前記呼気中の患者の雑音レベルとの間の著しい差異を表す、請求項4に記載のCPAP装置。
- 呼吸可能な空気が特定のCPAP圧力で患者に供給され、いびき又は連続的ないびきが検出されるならば、前記CPAP圧力が増加される、請求項4に記載のCPAP装置。
- 呼吸可能な空気が特定のCPAP圧力で患者に供給され、いびきが長時間の間、検出されないならば、前記CPAP圧力が減少される、請求項4に記載のCPAP装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US75670906P | 2006-01-06 | 2006-01-06 | |
US60/756,709 | 2006-01-06 | ||
PCT/AU2007/000002 WO2007076582A1 (en) | 2006-01-06 | 2007-01-04 | Computer controlled cpap system with snore detection |
Related Child Applications (1)
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JP2011187346A Division JP5352648B2 (ja) | 2006-01-06 | 2011-08-30 | いびき検出装置およびcpap装置 |
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JP2009522026A JP2009522026A (ja) | 2009-06-11 |
JP5039057B2 true JP5039057B2 (ja) | 2012-10-03 |
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JP2008548907A Active JP5039057B2 (ja) | 2006-01-06 | 2007-01-04 | いびき検出を備えるコンピュータ制御cpapシステム |
JP2011187346A Active JP5352648B2 (ja) | 2006-01-06 | 2011-08-30 | いびき検出装置およびcpap装置 |
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US (2) | US8365729B2 (ja) |
EP (2) | EP1968444B1 (ja) |
JP (2) | JP5039057B2 (ja) |
CN (2) | CN101972505B (ja) |
AU (1) | AU2007203731B2 (ja) |
NZ (2) | NZ567667A (ja) |
WO (1) | WO2007076582A1 (ja) |
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JP2012005859A (ja) | 2012-01-12 |
AU2007203731A1 (en) | 2007-07-12 |
EP1968444B1 (en) | 2013-08-07 |
NZ591256A (en) | 2012-06-29 |
US8365729B2 (en) | 2013-02-05 |
EP1968444A4 (en) | 2011-11-16 |
AU2007203731B2 (en) | 2013-04-04 |
EP2630914A1 (en) | 2013-08-28 |
NZ567667A (en) | 2011-08-26 |
US20080308105A1 (en) | 2008-12-18 |
CN101972505B (zh) | 2013-07-31 |
US20130178761A1 (en) | 2013-07-11 |
JP5352648B2 (ja) | 2013-11-27 |
CN101365383A (zh) | 2009-02-11 |
US10595814B2 (en) | 2020-03-24 |
CN101972505A (zh) | 2011-02-16 |
EP2630914B1 (en) | 2017-09-13 |
JP2009522026A (ja) | 2009-06-11 |
WO2007076582A1 (en) | 2007-07-12 |
EP1968444A1 (en) | 2008-09-17 |
CN101365383B (zh) | 2010-12-22 |
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