JP7130035B2 - 陽圧換気マイクロフォン - Google Patents
陽圧換気マイクロフォン Download PDFInfo
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- JP7130035B2 JP7130035B2 JP2020519289A JP2020519289A JP7130035B2 JP 7130035 B2 JP7130035 B2 JP 7130035B2 JP 2020519289 A JP2020519289 A JP 2020519289A JP 2020519289 A JP2020519289 A JP 2020519289A JP 7130035 B2 JP7130035 B2 JP 7130035B2
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- Health & Medical Sciences (AREA)
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- Engineering & Computer Science (AREA)
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
Description
Claims (15)
- 陽圧換気(PPV:positive pressure ventilation)マイクロフォンモジュールであって、
人物に配置され、換気装置からの圧力下にあるPPVマスクのポートに挿入および取り外しされるように構成され、挿入された際に前記ポートとPPV密閉を形成する表面を有するアダプタを規定する、マイクロフォンハウジングであって、遠位部分と、近位部分とを有し、前記遠位部分は、前記密閉から遠位にあり、前記PPVマスクの外側から前記ポートを通して挿入され、密閉が形成された状態でその口腔端を、PPVマスク内に配置するように構成されたチューブ構造を形成し、前記近位部分は、前記密閉の近位にあり、前記密閉が形成された状態で周囲圧力にさらされるように構成されている、マイクロフォンハウジングと、
前記マイクロフォンハウジングの口腔端に配置され、前記PPVマスクを装着した人物から発話を受け、音声信号を生成するように構成されている、1つ以上のマイク素子と、
1つ以上のマイク素子から、前記音声信号を受信するように構成され、前記チューブ構造を通過し、前記マイクロフォンハウジングの近位部分の壁を通して、前記マイクロフォンハウジングから外に出ている、電気回路と、
を備える、陽圧換気(PPV)マイクロフォンモジュール。 - 前記電気回路は、前記壁内に配置されたコネクタを含み、前記マイクロフォンハウジングからの出口を提供し、
前記コネクタは、前記音声信号を音声処理システムに送信するためのデータケーブルに、取り外し可能に接続されるように構成されている、請求項1に記載のPPVマイクロフォンモジュール。 - 前記マイクロフォンハウジング内に配置されたラウドスピーカをさらに備える、請求項1または2に記載のPPVマイクロフォンモジュール。
- 前記マイクロフォンハウジングの口腔端は、離れて面する開口を有するキャビティを規定し、前記1つ以上のマイクロフォン素子は、前記キャビティ内に配置されている、請求項1から3のいずれかに記載のPPVマイクロフォンモジュール。
- 前記1つ以上のマイク素子は、少なくとも105dBの最大音圧レベルと、少なくとも85dBのダイナミックレンジとを有する、請求項1から4のいずれかに記載のPPVマイクロフォンモジュール。
- 前記1つ以上のマイクロフォン素子は、前記キャビティ内に配置され、減衰材が、前記1つ以上のマイクロフォン素子と前記開口との間に配置され、前記減衰材は、前記減衰材の全体にわたって、少なくとも3dB、音圧レベルを減少させるように構成されている、請求項1から5のいずれかに記載のPPVマイクロフォンモジュール。
- 前記減衰材は、少なくとも3ポンド/立方フィートの密度を有するフォームを備える、請求項6に記載のPPVマイクロフォンモジュール。
- PPVマイクロフォンシステムであって、
請求項1から7のいずれかに記載の前記PPVマイクロフォンモジュールと、
(i)システムマイクロプロセッサと、(ii)前記PPVマイクロフォンモジュールから、前記音声信号を受信するように構成された入力と、(iii)前記音声信号を用いて、ラウドスピーカに電力供給するために適した、増幅された信号を生成するように構成された電力増幅器と、(iv)増幅された前記信号を、ラウドスピーカに供給するための出力と、を含む音声処理システムと、
を備える、PPVマイクロフォンシステム。 - 前記音声処理システムは、第2のハウジング内に配置されており、前記マイクロフォンモジュールは、ケーブルを通して前記音声処理システムに接続されている、請求項8に記載のPPVマイクロフォンシステム。
- 前記音声処理システムは、(v)前記音声信号内の患者活動を示す周波数成分を検出するように構成されたデジタル信号プロセッサ(DSP)と、(vi)前記音声信号の発話を入力し、検出された前記患者活動に基づき、呼吸ノイズを減衰して、処理された音声信号を生成するように構成された発話入力部と、をさらに備え、
処理された前記音声信号は、前記電力増幅器に供給され、前記増幅信号を生成する、請求項8または9に記載のPPVマイクロフォンシステム。 - (i)発話が検出されない際に、発話入力部で、前記音声信号を通過させないことにより、または、(ii)発話が検出されない際に、前記電力増幅器の電源を落とすことにより、前記呼吸ノイズは減衰される、請求項10に記載のPPVマイクロフォンシステム。
- 請求項8から11のいずれかに記載のマイクロフォンシステムを使用するための方法であって、
少なくとも3cmH2Oの陽圧を供給する換気回路に接続されたPPVマスクを、提供し、前記PPVマスクは、前記マイクロフォンモジュールを受けて、前記マイクロフォンモジュールとのPPV密閉を形成するように構成されたアクセスポートを有し、
前記マイクロフォンモジュールを、前記ポートに挿入して、前記ポートとのPPV密閉を形成し、
PPVマスク内の少なくとも3cmH2Oの陽圧により、前記マイクロフォンモジュールを用いて発話信号を生成し、前記音声処理システムを用いて前記発話信号を増幅し、前記増幅された発話信号を、ラウドスピーカに対して供給し、
換気装置からの圧力下にある前記PPVマスクの状態で、前記ポートから前記マイクロフォンモジュールを取り外す、ことを含む方法。 - 前記ポートは、前記換気装置からの圧力下で密閉し、かつ、10mm~50mmの範囲の直径を有する弁を含む、請求項12に記載の方法。
- 前記ポートは、エルボコネクタ内に配置されている、請求項12または13に記載の方法。
- 前記発話信号の生成は、50.8mm(2インチ)未満の距離にて、前記患者の口の前に配置された前記1つ以上のマイク素子により実行される、請求項12から14のいずれかに記載の方法。
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US201762568314P | 2017-10-04 | 2017-10-04 | |
US62/568,314 | 2017-10-04 | ||
PCT/US2017/060480 WO2018085864A1 (en) | 2016-11-07 | 2017-11-07 | Positive pressure ventilation mask and related appliances, adapters, microphones, and methods |
USPCT/US2017/060480 | 2017-11-07 | ||
US201762612303P | 2017-12-29 | 2017-12-29 | |
US62/612,303 | 2017-12-29 | ||
PCT/US2018/032469 WO2019070313A1 (en) | 2017-10-04 | 2018-05-11 | MICROPHONE SYSTEM WITH POSITIVE PRESSURE VENTILATION |
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