JP6914766B2 - Cpap装置 - Google Patents
Cpap装置 Download PDFInfo
- Publication number
- JP6914766B2 JP6914766B2 JP2017144629A JP2017144629A JP6914766B2 JP 6914766 B2 JP6914766 B2 JP 6914766B2 JP 2017144629 A JP2017144629 A JP 2017144629A JP 2017144629 A JP2017144629 A JP 2017144629A JP 6914766 B2 JP6914766 B2 JP 6914766B2
- Authority
- JP
- Japan
- Prior art keywords
- intake port
- recess
- fan
- flow path
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000011358 absorbing material Substances 0.000 claims description 7
- 230000003584 silencer Effects 0.000 description 23
- 238000005192 partition Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 201000002859 sleep apnea Diseases 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/105—Filters
- A61M16/106—Filters in a path
- A61M16/107—Filters in a path in the inspiratory path
-
- 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
- A61M2205/12—General characteristics of the apparatus with interchangeable cassettes forming partially or totally the fluid circuit
-
- 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
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
-
- 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
- A61M2205/36—General characteristics of the apparatus related to heating or cooling
- A61M2205/3606—General characteristics of the apparatus related to heating or cooling cooled
-
- 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
- A61M2205/42—Reducing noise
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
(騒音低減作用)
図5(a)は、流路45内に前述した凹部42bが無い場合における空気流の例を示している。
(実施形態の効果)
本実施形態によれば、ファン17の吸気口17aと対向する流路45の一部に吸気口17aの直径より大きく、流路45の幅以下の直径を有する凹部42bを設けている。このため、流路45からファン17の吸気口17aに導入される空気の急激な圧力変化を抑制することができ、患者の睡眠を妨げる耳障りな周波数帯の騒音レベルを低減することができる。
Claims (5)
- 第1の吸気口及び第1の排気口を有するハウジングと、
前記第1の吸気口と前記第1の排気口との間に配置され、第2の吸気口及び第2の排気口を有し、前記第2の吸気口は、前記第2の吸気口の開口方向が前記第1の吸気口の開口方向と交差する方向に配置され、前記第2の排気口は、前記第2の排気口の開口方向が前記第1の排気口の開口方向と平行する方向に配置されたファンと、
前記第1の吸気口から吸引された空気を前記第2の吸気口に導く流路を構成し、前記第2の吸気口と対向する位置に前記第2の吸気口より開口面積が大きい凹部を有する吸音材と、
を具備し、
前記流路は前記第1の吸気口から前記第2の吸気口への空気流の方向と交差する方向に幅と高さを有し、前記第2の吸気口と前記凹部の開口面積の比率は1:4.4以下であることを特徴とするCPAP装置。 - 前記凹部の形状は円形であり、その直径は、前記第2の吸気口の直径の1.1倍以上で2.1倍以下であることを特徴とする請求項1記載のCPAP装置。
- 前記凹部の形状は円形であり、その直径は、前記第2の吸気口の直径の1.5倍以上で1.9倍以下であることを特徴とする請求項1記載のCPAP装置。
- 前記凹部の深さは、前記流路の前記高さの2倍以上で10倍以下であることを特徴とする請求項1記載のCPAP装置。
- 前記凹部の形状は、三角形、四角形、多角形、及び楕円形のうちの1つで構成されることを特徴とする請求項1記載のCPAP装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017144629A JP6914766B2 (ja) | 2017-07-26 | 2017-07-26 | Cpap装置 |
PCT/JP2018/021297 WO2019021630A1 (ja) | 2017-07-26 | 2018-06-01 | Cpap装置 |
CN201880045107.4A CN110831650B (zh) | 2017-07-26 | 2018-06-01 | Cpap装置 |
US16/710,368 US11452828B2 (en) | 2017-07-26 | 2019-12-11 | CPAP device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017144629A JP6914766B2 (ja) | 2017-07-26 | 2017-07-26 | Cpap装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019024622A JP2019024622A (ja) | 2019-02-21 |
JP6914766B2 true JP6914766B2 (ja) | 2021-08-04 |
Family
ID=65040595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017144629A Active JP6914766B2 (ja) | 2017-07-26 | 2017-07-26 | Cpap装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11452828B2 (ja) |
JP (1) | JP6914766B2 (ja) |
CN (1) | CN110831650B (ja) |
WO (1) | WO2019021630A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110975094A (zh) * | 2019-12-30 | 2020-04-10 | 北京怡和嘉业医疗科技股份有限公司 | 用于通气治疗设备的减噪结构以及通气治疗设备 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW544493B (en) * | 1998-07-04 | 2003-08-01 | Delta Electronic Inc | Fan and airflow for cooling electronic device with reduced turbulence and noise and higher efficiency |
US6644311B1 (en) * | 2001-02-21 | 2003-11-11 | Respironics, Inc. | Monitoring fluid flow in a pressure support system |
US7617823B2 (en) * | 2005-08-24 | 2009-11-17 | Ric Investments, Llc | Blower mounting assembly |
CN1955490A (zh) * | 2005-10-27 | 2007-05-02 | 乐金电子(天津)电器有限公司 | 涡轮风扇 |
US7694677B2 (en) * | 2006-01-26 | 2010-04-13 | Nellcor Puritan Bennett Llc | Noise suppression for an assisted breathing device |
KR101340686B1 (ko) * | 2009-04-24 | 2013-12-12 | 미츠비시 쥬고교 가부시키가이샤 | 하이브리드 배기 터빈 과급기 |
DE202011101554U1 (de) * | 2010-08-11 | 2011-11-16 | Sls Medical Technology Corp., Ltd. | Beatmungsgerät zum Identifizieren der Reinheit/Trübung eines Filters |
CN103089704B (zh) * | 2011-10-31 | 2017-03-01 | Ge医疗***环球技术有限公司 | 风扇组件和具有该风扇组件的电气设备 |
JP2013150684A (ja) | 2012-01-25 | 2013-08-08 | Nidec Copal Electronics Corp | Cpap装置 |
CN104394920B (zh) * | 2012-03-06 | 2017-03-01 | 瑞思迈发动机及马达技术股份有限公司 | 流量发生器 |
US20150320954A1 (en) | 2012-12-17 | 2015-11-12 | Nidec Copal Electronics Corporation | Cpap device |
JP2015033522A (ja) * | 2013-08-09 | 2015-02-19 | 日本電産コパル電子株式会社 | Cpap装置およびcpap装置用の送風ユニット |
JP2016034409A (ja) | 2014-08-04 | 2016-03-17 | 日本電産コパル電子株式会社 | Cpap装置 |
TWM510753U (zh) * | 2015-05-08 | 2015-10-21 | Acare Technology Co Ltd | 呼吸器結構 |
CN205360848U (zh) * | 2015-12-31 | 2016-07-06 | 汉尔姆(杭州)家具有限公司 | 安装在墙体内的净化装置 |
JP2018091247A (ja) * | 2016-12-05 | 2018-06-14 | 日本電産コパル電子株式会社 | 送風機 |
US11668319B2 (en) * | 2020-06-29 | 2023-06-06 | Speed to Market LTD. | Blower unit |
-
2017
- 2017-07-26 JP JP2017144629A patent/JP6914766B2/ja active Active
-
2018
- 2018-06-01 CN CN201880045107.4A patent/CN110831650B/zh active Active
- 2018-06-01 WO PCT/JP2018/021297 patent/WO2019021630A1/ja active Application Filing
-
2019
- 2019-12-11 US US16/710,368 patent/US11452828B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US11452828B2 (en) | 2022-09-27 |
CN110831650A (zh) | 2020-02-21 |
US20200114099A1 (en) | 2020-04-16 |
JP2019024622A (ja) | 2019-02-21 |
WO2019021630A1 (ja) | 2019-01-31 |
CN110831650B (zh) | 2022-05-10 |
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