JP6832845B2 - 点滴を伴う動的陰圧療法 - Google Patents
点滴を伴う動的陰圧療法 Download PDFInfo
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- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
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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
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
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- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
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- A61M2205/00—General characteristics of the apparatus
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Description
本発明は、2014年9月10日に出願された、「DYNAMIC NEGATIVE−PRESSURE THERAPY WITH INSTILLATION」という表題の、米国仮特許出願第62/048615号明細書の出願の利益を米国特許法第119条(e)に基づいて主張するものであり、この出願は、あらゆる目的のために参照により本明細書に組み込まれる。
Claims (22)
- 点滴調整器において、
第1の室と、
前記第1の室に流体を移送するための経路を提供する入口逆止弁と、
前記第1の室から流体を移送するための経路を提供する第1の出口逆止弁と、
第2の室と、
前記第2の室から流体を移送するための経路を提供する第2の出口逆止弁であって、陰圧によって開放されるように構成された第2の出口逆止弁と、
前記第2の室に流体を移送するための経路を提供する流量制限器と、
前記第1の室と前記第2の室とを分離するピストンと、
前記ピストンを付勢するように前記第2の室内に前記ピストンに対して配置されたばねと
を備えることを特徴とする点滴調整器。 - 請求項1に記載の点滴調整器において、前記第1の室、前記第2の室、前記第1の出口逆止弁、前記第2の出口逆止弁、前記ピストン、および前記ばねが、ハウジング内に配置され、前記ハウジングが、本体と、前記本体に結合された頭部とで構成されることを特徴とする点滴調整器。
- 請求項1に記載の点滴調整器において、前記第1の出口逆止弁が前記第2の出口逆止弁に流体を移送するための経路を提供することを特徴とする点滴調整器。
- 請求項1に記載の点滴調整器において、前記第1の出口逆止弁が、前記第1の室内の陰圧により閉鎖されるように構成されたダイヤフラム弁であることを特徴とする点滴調整器。
- 請求項1に記載の点滴調整器において、前記入口逆止弁が前記第1の室内の陰圧により開放されるように構成されることを特徴とする点滴調整器。
- 請求項1に記載の点滴調整器において、前記ピストンが、前記第1の室と前記第2の室との間の圧力差により変位させられるように構成されることを特徴とする点滴調整器。
- 請求項1に記載の点滴調整器において、前記流量制限器がニードル弁であることを特徴とする点滴調整器。
- 請求項1に記載の点滴調整器において、前記流量制限器が、疎水性フィルタと、前記疎水性フィルタを介して前記第2の室に流体を移送するための経路を提供する通気口とを備えることを特徴とする点滴調整器。
- 請求項1に記載の点滴調整器において、前記ピストンが、基部と保持具との間に配置されたシールを備えることを特徴とする点滴調整器。
- 請求項1に記載の点滴調整器において、
前記第2の出口逆止弁から流体を移送するための経路を提供する陰圧ポートを更に備え、
前記第2の出口逆止弁が、前記第2の室から流体を移送するための経路を提供するとともに、前記陰圧ポートに送達される陰圧により開放されるように構成されることを特徴とする点滴調整器。 - 請求項1に記載の点滴調整器において、
前記入口逆止弁と前記第1の室とを介して流体を移送するための経路を提供する入口ポートと、
前記第1の出口逆止弁を介して流体を移送するための経路を提供する出口ポートと
を更に備えることを特徴とする点滴調整器。 - 請求項1に記載の点滴調整器において、
本体と、
前記ピストンを取り囲むように前記本体に結合された頭部と、
出口ポートと、
前記出口ポートに前記第2の室から流体を移送するための経路を提供する、前記本体を通る流路と
を更に備えることを特徴とする点滴調整器。 - 組織部位を治療するためのシステムにおいて、
前記組織部位に配置するためのドレッシングと、
前記ドレッシングに流路を介して結合された陰圧源であって、陰圧期と通気期との間でサイクル動作するように構成される前記陰圧源と、
溶液源と
点滴調整器と
を備え、当該点滴調整器が、
空洞を備えるハウジングと、
前記空洞を第1の室と第2の室とに仕切るピストンと、
前記第1の室に流体を移送するための経路を提供する入口逆止弁と、
前記第1の室から流体を移送するための経路を提供する第1の出口逆止弁と、
前記第2の室から流体を移送するための経路を提供する第2の出口逆止弁とを備え、
前記点滴調整器が前記溶液源と前記ドレッシングとに少なくとも1の流路を介して結合され、当該点滴調整器が、前記陰圧期に前記溶液源から溶液を引き出すとともに前記通気期に前記ドレッシングに前記溶液を点滴するように構成され、前記第2の出口逆止弁が、前記陰圧源からの陰圧によって開放されるように構成されることを特徴とするシステム。 - 請求項13に記載のシステムにおいて、前記陰圧源と前記ドレッシングとに少なくとも1の流路を介して結合された圧力調整器を更に備えることを特徴とするシステム。
- 請求項13に記載のシステムにおいて、前記陰圧源と前記ドレッシングとに少なくとも1の流路を介して結合されるとともに流体を収集するように構成された容器を更に備えることを特徴とするシステム。
- 請求項13に記載のシステムにおいて、前記点滴調整器から前記ドレッシングに流体を移送し、前記ドレッシングから前記陰圧源に流体を移送するための経路を提供するように構成された接続インターフェースを更に備えることを特徴とするシステム。
- 請求項16に記載のシステムにおいて、前記接続インターフェースが複数ポートのエルボコネクタであることを特徴とするシステム。
- 請求項13に記載のシステムにおいて、前記ドレッシングが、
前記組織部位に近接して配置されるように適合された組織インターフェースと、
前記組織インターフェースを覆うように配置されるように適合されたカバーと
を備えることを特徴とするシステム。 - 組織部位に溶液を点滴するための機器において、
陰圧ポートと通気口と空洞とを備える本体と、
前記本体に結合されるとともに延在部と溶液入口ポートと溶液出口ポートとを有する頭部と、
前記空洞内に配置されるとともに前記空洞を第1の室と第2の室とに仕切るピストンと、
前記ピストンと前記本体との間の前記第2の室内に配置されたばねと、
前記第1の室と前記溶液出口ポートとの間の前記延在部から流体を移送するための経路を提供する第1の出口逆止弁であって、前記第1の室内の陰圧により閉鎖されるように構成される前記第1の出口逆止弁と、
前記通気口に配置された疎水性フィルタと、
前記疎水性フィルタと前記通気口とに結合された保持リングと、
前記第1の室に流体を移送するための経路を提供するとともに、前記第1の室内の陰圧により開放されるように構成された入口逆止弁と、
前記第2の室から流体を移送するための経路を提供するとともに、前記陰圧ポートに送達される陰圧により開放されるように構成された第2の出口逆止弁と
を備えることを特徴とする機器。 - 請求項19に記載の機器において、
前記溶液出口ポートと前記陰圧ポートとに少なくとも1の流路を介して結合されたドレッシングと、
前記ドレッシングに流路を介して結合された陰圧源であって、陰圧期と通気期との間でサイクル動作するように構成される前記陰圧源と、
前記溶液入口ポートに流路を介して結合された溶液源と
を更に備えることを特徴とする機器。 - 組織部位に溶液を点滴するための機器において、
通気口と空洞とを備える本体と、
前記本体に結合されるとともに延在部と第1の流体ポートと第2の流体ポートとを備える頭部と、
前記空洞内に配置されるとともに前記空洞を第1の室と第2の室とに仕切るピストンと、
前記ピストンと前記本体との間の前記第2の室内に配置されたばねと、
前記頭部内に一体成形された第1の流路と、
前記本体内に一体成形されるとともに前記第2の室に流体を移送するための経路を提供する第2の流路と、
前記本体の長さに沿って一体成形された通路であって、前記第1の流路と前記第2の流路とに流体を移送するための経路を提供する前記通路と、
前記第1の室と第2の流体ポートとの間の前記延在部から流体を移送するための経路を提供する第1の出口逆止弁であって、前記第1の室内の陰圧により閉鎖されるように構成される前記第1の出口逆止弁と、
前記第1の室に流体を移送するための経路を提供するとともに、前記第1の室内の陰圧により開放されるように構成された入口逆止弁と、
前記第2の室から流体を移送するための経路を提供するとともに、前記第2の流路内の陰圧により開放されるように構成された第2の出口逆止弁と
を備えることを特徴とする機器。 - 請求項21に記載の機器において、
前記第2の流体ポートに流路を介して結合されたドレッシングと、
前記ドレッシングに流路を介して結合された陰圧源であって、陰圧期と通気期との間でサイクル動作するように構成される前記陰圧源と、
前記第1の流体ポートに流路を介して結合された溶液源と
を更に備えることを特徴とする機器。
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US10064984B2 (en) | 2013-01-03 | 2018-09-04 | Kci Licensing, Inc. | Recharging negative-pressure wound therapy |
-
2015
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CN106714858B (zh) | 2020-04-14 |
CA2960671A1 (en) | 2016-03-17 |
US10786608B2 (en) | 2020-09-29 |
EP3488881B1 (en) | 2023-08-30 |
JP2017530755A (ja) | 2017-10-19 |
EP3191149B1 (en) | 2019-01-23 |
EP3488881A1 (en) | 2019-05-29 |
AU2015314994A1 (en) | 2017-03-30 |
WO2016040671A1 (en) | 2016-03-17 |
US20170246363A1 (en) | 2017-08-31 |
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