JP6297628B2 - 多方向性フィルタを有する減圧、液体収集キャニスタ - Google Patents
多方向性フィルタを有する減圧、液体収集キャニスタ Download PDFInfo
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- A—HUMAN NECESSITIES
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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
- A61M1/71—Suction drainage systems
- A61M1/78—Means for preventing overflow or contamination of the pumping systems
- A61M1/784—Means for preventing overflow or contamination of the pumping systems by filtering, sterilising or disinfecting the exhaust air, e.g. swellable filter valves
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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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- A—HUMAN NECESSITIES
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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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Description
本出願は、2008年6月4日提出の米国仮特許出願第61/058,830号の利益を主張するものであり、参照により本書に組み込まれる。
Claims (8)
- 減圧治療を適用する組織部位から液体を収集するための液体収集キャニスタにおいて、当該キャニスタが:
前記組織部位から第1の空間に関連付けられたキャニスタ入口を通って前記液体を収集するように構成された第1の空間と;
第2の空間に関連付けられたキャニスタ出口を通って減圧を受けるように構成された第2の空間と;
前記キャニスタ内で前記第1の空間と前記第2の空間との間の複数の開口部に配置された少なくとも2つの気液分離部であって、1つの前記開口部のそれぞれに各気液分離部が配置されている気液分離部と、を具え、
前記第1の空間内の前記液体が前記第2の空間に入るのを十分に防ぐ一方で、前記第2の空間と前記第1の空間との間の気体の移動を可能にするように、各気液分離部が前記第1の空間と第2の空間の間に配置されており、前記少なくとも2つの気液分離部は、概ね平坦であり、互いに平行で異なる平面に配置されており、前記少なくとも2つの気液分離部が、前記平行な平面において、互いに離れた位置にあることを特徴とする液体収集キャニスタ。 - 請求項1に記載の液体収集キャニスタにおいて、それぞれの前記気液分離部が、疎水性フィルタエレメントであることを特徴とする液体収集キャニスタ。
- 請求項1に記載の液体収集キャニスタにおいて:
前記気液分離部が、前記液体収集キャニスタ内に位置するフィルタのフレーム上に配置されており;
前記フィルタのフレームが、基部と、上方壁と、前記基部と前記上方壁との間に延在する4つの側壁とを有する直方体形状であり、前記少なくとも2つの気液分離部の各々が、前記側壁のうちの少なくとも2つにある開口部にそれぞれ配置され、前記第1の空間と第2の空間との間の連通を可能にしていることを特徴とする液体収集キャニスタ。 - 請求項3に記載の液体収集キャニスタにおいて、前記4つの側壁のそれぞれが、前記少なくとも2つの気液分離部のうちの1つを有することを特徴とする液体収集キャニスタ。
- 請求項3に記載の液体収集キャニスタにおいて:
前記キャニスタが、少なくとも1つの概ね平坦な壁を具えており;
前記フレームの基部が前記概ね平坦な壁上に配置され、前記側壁は前記キャニスタの対向する壁に向かって延在することを特徴とする液体収集キャニスタ。 - 請求項3に記載の液体収集キャニスタにおいて:
前記キャニスタが、交差して角部を形成する少なくとも2つの概ね平坦な壁を具えており;
前記フレームの基部が前記キャニスタ内の前記角部と近接して配置され、前記側壁は前記キャニスタの対向する角部に向かって延在することを特徴とする液体収集キャニスタ。 - 請求項1に記載の液体収集キャニスタにおいて、前記少なくとも2つの気液分離部の各々は、前記キャニスタの特定の方向において、各々の前記気液分離部の少なくとも一部が前記第1の空間内の前記液体に対応する液面と平行ではないように前記液体収集キャニスタ内に配置されることを特徴とする液体収集キャニスタ。
- 請求項1に記載の液体収集キャニスタにおいて、前記少なくとも2つの気液分離部の各々は、前記キャニスタの特定の方向において、前記第1の空間の体積の半分またはそれ以上が前記液体によって塞がれた場合に前記気液分離部の少なくとも1つが前記第1の空間と前記第2の空間との間の気体連通を可能にするように、前記キャニスタ内に配置されることを特徴とする液体収集キャニスタ。
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US5883008P | 2008-06-04 | 2008-06-04 | |
US61/058,830 | 2008-06-04 |
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JP2012251833A Active JP5607702B2 (ja) | 2008-06-04 | 2012-11-16 | 多方向性フィルタを有する減圧、液体収集キャニスタ |
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JP2016124115A Active JP6297628B2 (ja) | 2008-06-04 | 2016-06-23 | 多方向性フィルタを有する減圧、液体収集キャニスタ |
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EP (1) | EP2280744B1 (ja) |
JP (5) | JP2011524191A (ja) |
KR (1) | KR101259281B1 (ja) |
CN (2) | CN104383613B (ja) |
AU (1) | AU2009256128B2 (ja) |
BR (1) | BRPI0909904A2 (ja) |
CA (3) | CA3078054A1 (ja) |
HK (1) | HK1155410A1 (ja) |
MX (1) | MX2010013323A (ja) |
RU (1) | RU2471510C2 (ja) |
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US9408954B2 (en) | 2007-07-02 | 2016-08-09 | Smith & Nephew Plc | Systems and methods for controlling operation of negative pressure wound therapy apparatus |
GB0715259D0 (en) | 2007-08-06 | 2007-09-12 | Smith & Nephew | Canister status determination |
WO2009067711A2 (en) * | 2007-11-21 | 2009-05-28 | T.J. Smith & Nephew, Limited | Suction device and dressing |
US9211486B2 (en) | 2008-06-04 | 2015-12-15 | Kci Licensing, Inc. | Reduced-pressure, liquid-collection canister with multi-orientation filter |
EP2346545B2 (en) * | 2008-08-08 | 2022-06-08 | KCI Licensing, Inc. | Reduced-pressure treatment systems with reservoir control |
US8690844B2 (en) * | 2009-08-27 | 2014-04-08 | Kci Licensing, Inc. | Re-epithelialization wound dressings and systems |
US20110054420A1 (en) * | 2009-08-27 | 2011-03-03 | Christopher Brian Locke | Reduced-pressure wound dressings and systems for re-epithelialization and granulation |
US8377018B2 (en) * | 2009-12-23 | 2013-02-19 | Kci Licensing, Inc. | Reduced-pressure, multi-orientation, liquid-collection canister |
US9089630B2 (en) * | 2010-01-20 | 2015-07-28 | Kci Licensing, Inc. | Leak-resistant bandage systems and methods with hydrophilic foam wound insert for fluid-instillation and/or negative-pressure wound therapies |
US8604265B2 (en) * | 2010-04-16 | 2013-12-10 | Kci Licensing, Inc. | Dressings and methods for treating a tissue site on a patient |
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KR101259281B1 (ko) | 2013-05-06 |
TW201000161A (en) | 2010-01-01 |
US20090306630A1 (en) | 2009-12-10 |
JP2013059638A (ja) | 2013-04-04 |
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CN102065919A (zh) | 2011-05-18 |
CN104383613B (zh) | 2017-06-20 |
HK1155410A1 (en) | 2012-05-18 |
CA2726995C (en) | 2017-12-19 |
AU2009256128A1 (en) | 2009-12-10 |
JP5963275B2 (ja) | 2016-08-03 |
CA2726995A1 (en) | 2009-12-10 |
CA3078054A1 (en) | 2009-12-10 |
WO2009149250A1 (en) | 2009-12-10 |
EP2280744B1 (en) | 2013-03-27 |
JP2016190061A (ja) | 2016-11-10 |
RU2471510C2 (ru) | 2013-01-10 |
BRPI0909904A2 (pt) | 2015-10-06 |
CA2984749C (en) | 2020-06-23 |
JP2014237047A (ja) | 2014-12-18 |
MX2010013323A (es) | 2010-12-21 |
US8172818B2 (en) | 2012-05-08 |
CN104383613A (zh) | 2015-03-04 |
EP2280744A1 (en) | 2011-02-09 |
JP6602905B2 (ja) | 2019-11-06 |
RU2010146768A (ru) | 2012-07-20 |
JP5607702B2 (ja) | 2014-10-15 |
JP2011524191A (ja) | 2011-09-01 |
CA2984749A1 (en) | 2009-12-10 |
AU2009256128B2 (en) | 2013-07-04 |
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