JP2019514479A - 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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Abstract
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 (35)
- 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に陰圧を与えるように構成された陰圧源と;
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、を含む、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いる、請求項1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9に記載の装置。
- 前記第1の量が前記第2の量と異なっている、請求項9に記載の装置。
- 前記第1の量または前記第2の量が経時的に変動する、請求項9に記載の装置。
- 前記第1の量または前記第2の量が、前記陰圧源が前記創傷被覆材の下の陰圧を前記圧力範囲内に保持している間、第2の期間にわたり一定である、請求項9に記載の装置。
- 前記第2の期間が10秒〜10分の間である、請求項13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9に記載の装置。
- 前記動作周波数が経時的に変動する、請求項1に記載の装置。
- 前記動作周波数が、前記陰圧源が前記創傷被覆材の下の陰圧を前記圧力範囲内に保持している間、第3の期間にわたり一定である、請求項1に記載の装置。
- 前記第3の期間が10秒〜10分の間である、請求項17に記載の装置。
- 前記動作周波数が0.1kHz〜100kHz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。
- 前記陰圧源が、前記創傷被覆材の下の陰圧が前記圧力範囲内に保持されている場合に、陰圧創傷療法を行うように構成されている、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。
- 前記駆動回路がHブリッジ回路を備える、請求項1に記載の装置。
- 前記コントローラが前記駆動回路に制御信号を提供するようにさらに構成されており、前記コントローラが前記制御信号のパルス幅変調を調整することによって前記駆動信号を制御するように構成されている、請求項1に記載の装置。
- 前記駆動回路が、結合回路を介して前記陰圧源の入力端子間に電圧を供給することによって前記駆動信号を提供するように構成されており、前記電圧が−50V超から+50V未満までの範囲である、請求項1に記載の装置。
- 前記駆動信号が電流を含む、請求項1に記載の装置。
- 陰圧創傷療法装置の動作方法であって、前記方法が、
第1回及び第2回の駆動信号を陰圧源に供給することであって、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し、前記第2回が前記第1回の後に続いている、前記供給することと;
前記駆動信号に応答する前記陰圧源を用いて、陰圧を流体流路を介して創傷被覆材に与えることと;
前記第1回の駆動信号の大きさと前記第2回の駆動信号の大きさとを測定することと;
前記第1回の駆動信号の大きさと前記第2回の駆動信号の大きさとを比較することと;
前記第1回の駆動信号の大きさが前記第2回の駆動信号の大きさ未満である場合には、前記陰圧源に供給される前記駆動信号の周波数を増加させることと;
前記第1回の駆動信号の大きさが前記第2回の駆動信号の大きさを超える場合には、前記陰圧源に供給される前記駆動信号の周波数を減少させることと、を含む、方法。 - 前記駆動信号の周波数を前記増加させることが、前記駆動信号の周波数を第1の量増加させることを含み;
前記駆動信号の周波数を前記減少させることが、前記駆動信号の周波数を第2の量減少させることを含む、請求項28に記載の方法。 - 前記第1の量が前記第2の量と同一である、請求項29に記載の方法。
- 前記第1の量が前記第2の量とは異なっている、請求項29に記載の方法。
- 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29に記載の方法。
- 前記陰圧源が圧電ポンプを備える、請求項28に記載の方法。
- 前記陰圧源がマイクロポンプを備える、請求項28に記載の方法。
- 前記駆動信号が電流を含む、請求項28に記載の方法。
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US20220133978A1 (en) | 2022-05-05 |
AU2017259906B2 (en) | 2022-06-02 |
EP3452130B1 (en) | 2021-12-01 |
AU2017259906A1 (en) | 2018-12-06 |
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CA3038206A1 (en) | 2017-11-09 |
WO2017191149A1 (en) | 2017-11-09 |
EP3452130A1 (en) | 2019-03-13 |
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