JP6975170B2 - 陰圧療法システムにおける陰圧源への電力伝送の最適化 - Google Patents
陰圧療法システムにおける陰圧源への電力伝送の最適化 Download PDFInfo
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
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- General Health & Medical Sciences (AREA)
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Description
本出願は、2016年5月3日に出願された米国仮出願第62/331,098号と2017年3月31日に出願された米国仮出願第62/479,588号の利益を主張するものであり、これらの開示はその全体が参照によって本明細書に援用される。
図1はTNP装置11及び創傷14を含む陰圧療法システム100を示す。TNP装置11は創傷14を治療するために使用され得る。TNP装置11には、相互に電気的通信するように構成された、制御回路12Aと、メモリ12Bと、陰圧源12Cと、ユーザーインターフェース12Dと、電源12Eと、第1の圧力センサ12Fと、第2の圧力センサ12Gとが含まれ得る。さらに、TNP装置11には創傷被覆材13が含まれ得る。電源12Eは、TNP装置11の1つ以上の構成要素に電力を供給することができる。
本明細書で提供される閾値、限界値、期間などの値は、絶対的なものであることを意図するものではなく、したがっておおよそのものであり得る。加えて、本明細書で提供される任意の閾値、限界値、期間などは、自動的にまたはユーザーによって、固定されるかまたは変えられ得る。さらに、本明細書で使用される場合、参照値に関連した、超える、超、未満などの相対的な程度を表す用語は、参照値と等しい場合も包含することが意図される。例えば、正の方向に参照値を超えることは、参照値以上であることを包含することができる。その上、本明細書で使用される場合、参照値に関連した、超える、超、未満などの相対的な程度を表す用語は、参照値に関連した、未満である、未満、超などの開示された関係とは逆のものも包含することが意図される。また、種々のプロセスのブロックは、ある値が特定の閾値に達するかまたは達しないかを判定することに関して説明され得るが、ブロックは、例えば、ある値が(i)閾値未満であるかもしくは閾値を超えているか、または(ii)閾値を満たすかもしくは満たしていないかに関しても同様に解釈され得る。
Claims (13)
- 創傷に陰圧を加える装置であって、前記装置が、
流体流路を介して創傷被覆材(13)に陰圧を与えるように構成された陰圧源(12C)と;
前記陰圧源に駆動信号を供給して、前記陰圧源が陰圧を与えるようにすべく構成された駆動回路であって、前記駆動信号が駆動信号の大きさと駆動信号の周波数とを有する、前記駆動回路と;
前記陰圧源が前記創傷被覆材の下の陰圧をある圧力範囲内に保持している間に、繰り返し、ある動作周波数で、
第1回で検出される駆動信号の大きさと、前記第1回に続く第2回で検出される駆動信号の大きさとを測定し、
前記第1回で検出される駆動信号の大きさと前記第2回で検出される駆動信号の大きさとを比較し、
前記第1回で検出される駆動信号の大きさが前記第2回で検出される駆動信号の大きさ未満である場合には、前記駆動信号の周波数を増加させるように前記駆動回路を動作させ、
前記第1回で検出される駆動信号の大きさが前記第2回で検出される駆動信号の大きさを超える場合には、前記駆動信号の周波数を減少させるように前記駆動回路を動作させるべく構成されたコントローラと、を含み、
前記コントローラが、
前記駆動信号の周波数を第1の量増加させるように前記駆動回路を動作させ、
前記駆動信号の周波数を第2の量減少させるように前記駆動回路を動作させるべく構成されており、
前記第1の量または前記第2の量が経時的に変動する、装置。 - 前記コントローラが、前記駆動回路が前記陰圧源を作動して陰圧の供給を開始する際に、前記駆動信号の周波数が初期周波数にマッチングするように前記駆動回路を動作させるべく構成されており、前記コントローラが、前記駆動回路が前記陰圧源を作動させた後の第1の期間内に、前記駆動信号の周波数を増加または減少させるように前記駆動回路を動作させるべく構成されている、請求項1に記載の装置。
- 前記陰圧源が機械的共振周波数を有し、前記機械的共振周波数が前記初期周波数よりも大きい、請求項2に記載の装置。
- 前記陰圧源が機械的共振周波数を有し、前記機械的共振周波数が前記初期周波数よりも小さい、請求項2に記載の装置。
- 前記機械的共振周波数が5kHz〜100kHzの間である、請求項4に記載の装置。
- 前記第1の期間が1ミリ秒〜1分の間である、請求項2に記載の装置。
- 第1の反復の第2回で検出される駆動信号の大きさが、前記第1の反復に続く第2の反復の第1回で検出される駆動信号の大きさとして使用される、請求項1に記載の装置。
- 前記第1の反復と前記第2の反復とが別の反復によって隔てられていない、請求項7に記載の装置。
- 前記第1の量が前記第2の量と同一である、請求項1に記載の装置。
- 前記第1の量または前記第2の量が1Hz〜1000Hzの間である、請求項1に記載の装置。
- 前記陰圧源が圧電ポンプを備える、請求項1に記載の装置。
- 前記陰圧源がマイクロポンプを備える、請求項1に記載の装置。
- 前記創傷被覆材をさらに含み、前記陰圧源が前記創傷被覆材の上か、または前記創傷被覆材内に配置されている、請求項1に記載の装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US201662331098P | 2016-05-03 | 2016-05-03 | |
US62/331,098 | 2016-05-03 | ||
US201762479588P | 2017-03-31 | 2017-03-31 | |
US62/479,588 | 2017-03-31 | ||
PCT/EP2017/060452 WO2017191149A1 (en) | 2016-05-03 | 2017-05-03 | Optimizing power transfer to negative pressure sources in negative pressure therapy systems |
Publications (3)
Publication Number | Publication Date |
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JP2019514479A JP2019514479A (ja) | 2019-06-06 |
JP2019514479A5 JP2019514479A5 (ja) | 2020-06-18 |
JP6975170B2 true JP6975170B2 (ja) | 2021-12-01 |
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JP2018554770A Active JP6975170B2 (ja) | 2016-05-03 | 2017-05-03 | 陰圧療法システムにおける陰圧源への電力伝送の最適化 |
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US (2) | US11173240B2 (ja) |
EP (1) | EP3452130B1 (ja) |
JP (1) | JP6975170B2 (ja) |
CN (1) | CN109069710B (ja) |
AU (1) | AU2017259906B2 (ja) |
CA (1) | CA3038206A1 (ja) |
WO (1) | WO2017191149A1 (ja) |
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CN107708758B (zh) | 2014-12-22 | 2021-06-08 | 史密夫及内修公开有限公司 | 负压伤口治疗装置和方法 |
EP3426206B1 (en) | 2016-03-07 | 2023-05-10 | Smith & Nephew plc | Wound treatment apparatuses and methods with negative pressure source integrated into wound dressing |
AU2017256692B2 (en) | 2016-04-26 | 2022-03-03 | Smith & Nephew Plc | Wound dressings and methods of use with integrated negative pressure source having a fluid ingress inhibition component |
WO2017191154A1 (en) | 2016-05-03 | 2017-11-09 | Smith & Nephew Plc | Negative pressure wound therapy device activation and control |
JP6975172B2 (ja) | 2016-05-03 | 2021-12-01 | スミス アンド ネフュー ピーエルシーSmith & Nephew Public Limited Company | 陰圧療法システムにおける陰圧源を駆動するためのシステム及び方法 |
AU2017315129B2 (en) | 2016-08-25 | 2022-10-27 | Smith & Nephew Plc | Absorbent negative pressure wound therapy dressing |
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JP2019514479A (ja) | 2019-06-06 |
AU2017259906A1 (en) | 2018-12-06 |
AU2017259906B2 (en) | 2022-06-02 |
WO2017191149A1 (en) | 2017-11-09 |
EP3452130B1 (en) | 2021-12-01 |
CA3038206A1 (en) | 2017-11-09 |
US20220133978A1 (en) | 2022-05-05 |
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