JP5147720B2 - 共鳴多層インピーダンスポンプ - Google Patents
共鳴多層インピーダンスポンプ Download PDFInfo
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- JP5147720B2 JP5147720B2 JP2008549578A JP2008549578A JP5147720B2 JP 5147720 B2 JP5147720 B2 JP 5147720B2 JP 2008549578 A JP2008549578 A JP 2008549578A JP 2008549578 A JP2008549578 A JP 2008549578A JP 5147720 B2 JP5147720 B2 JP 5147720B2
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- 239000000463 material Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 21
- 239000011344 liquid material Substances 0.000 claims description 18
- 230000005284 excitation Effects 0.000 claims description 15
- 239000000499 gel Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 239000000017 hydrogel Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 210000000709 aorta Anatomy 0.000 description 7
- 230000000737 periodic effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/135—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel inside a blood vessel, e.g. using grafting
- A61M60/139—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel inside a blood vessel, e.g. using grafting inside the aorta, e.g. intra-aortic balloon pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/424—Details relating to driving for positive displacement blood pumps
- A61M60/427—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/424—Details relating to driving for positive displacement blood pumps
- A61M60/438—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being mechanical
- A61M60/454—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being mechanical generated by electro-active actuators, e.g. using electro-active polymers or piezoelectric elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/424—Details relating to driving for positive displacement blood pumps
- A61M60/457—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being magnetic
- A61M60/462—Electromagnetic force
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/08—Machines, pumps, or pumping installations having flexible working members having tubular flexible members
- F04B43/10—Pumps having fluid drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F7/00—Pumps displacing fluids by using inertia thereof, e.g. by generating vibrations therein
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0272—Electro-active or magneto-active materials
- A61M2205/0283—Electro-active polymers [EAP]
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Mechanical Engineering (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Transplantation (AREA)
- External Artificial Organs (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Reciprocating Pumps (AREA)
Description
本願は、2006年1月6日に出願された米国仮特許出願第60/756、704号の優先権を請求する。先行出願の開示は、本願の開示の一部とみなされる(参照することにより組み込まれる)。
図1〜2は、2重壁のインピーダンスポンプの実施形態を示す。実施形態において、第1/内部チューブ120は、弾性的に変形可能な物質から成る。内部チューブ120は、ポンプされることが望ましい液体を保持する。第1の内部チューブ120は、第2の略硬質の、例えば剛壁の外部チューブ100で取り囲まれる。
Claims (35)
- ポンプ機器であって、
外部チューブであって、前記外部チューブ内部の内面および前記外部チューブ外部の外面を画定する略硬質の物質で形成された外部チューブと、
前記外部チューブ内の前記内面内に完全に形成された内部チューブであって、弾性的に変形可能であり、その内部の液体を受けるように適合した内面を有する、内部チューブと、
前記内部チューブおよび前記外部チューブの間の液体物質であって、応用波力の伝送を可能にする機械特性を有する液体物質と、
前記液体物質内で建設的な波干渉を生じ、前記内部チューブの前記内面を介する流体を駆動する周波数で、前記液体物質を作動する作動装置と、
を含む、ポンプ機器。 - 前記内部チューブに結合した別の部分をさらに含み、前記別の部分は、前記内部チューブと異なる流体特性を有する、請求項1に記載の機器。
- 前記内部チューブの高振幅作動を生じる周波数において、前記液体物質の低振幅作動を生じるように、前記作動装置を制御するコントローラをさらに含む、請求項1又は2に記載の機器。
- 前記作動装置は、前記内部チューブと前記外部チューブの間に位置する、請求項1乃至3のいずれかに記載の機器。
- 前記作動装置は、前記液体物質内に位置する、請求項4に記載の機器。
- 前記内部チューブおよび前記外部チューブのうちの少なくとも1つは、閉端部を有する、請求項1乃至5のいずれかに記載の機器。
- 前記内部チューブおよび前記外部チューブのうちの少なくとも1つは、開端部を有する、請求項1乃至6のいずれかに記載の機器。
- 前記液体物質はヒドロゲルである、請求項1乃至7のいずれかに記載の機器。
- 前記作動装置は、前記高振幅波を形成するために、前記低振幅波を建設的に干渉する周波数に制御する、請求項3に記載の機器。
- 前記高振幅波は、前記内部チューブ上に表面波を形成するために使用される、請求項9に記載の機器。
- 前記作動装置は、高振幅波を形成するために、前記低振幅波を前記液体物質内で共鳴効果をもたらす周波数に制御する、請求項3に記載の機器。
- 前記高振幅波は、前記内部チューブ上に表面波を形成するために使用される、請求項11に記載の機器。
- 前記液体物質は、ゲルの粘着性を有する、請求項1乃至12のいずれかに記載の機器。
- 前記内部および外部チューブは、それぞれ略円筒形である、請求項1乃至13のいずれかに記載の機器。
- 略硬質の物質で形成された外部チューブと、弾性的に変形可能な物質で形成され、前記外部チューブ内の内部に完全に形成された内部チューブを有する機器と、前記内部チューブおよび前記外部チューブの間の液体物質とを使用してポンプするステップであって、前記液体物質は、加えられた波力を伝達することを可能にする機械特性を有する、ステップと、
前記液体物質内に建設的な波干渉を生じ、前記外部チューブの外壁を移動せずに、前記内部チューブを介して実質的に流体を駆動することができる種類の前記内部チューブ上に誘発波を形成する周波数で前記液体物質を作動するステップと、
を含む、方法。 - 前記内部チューブに結合した別の流体セクションをさらに含み、前記別のセクションは、前記内部チューブと異なる流体特性を有する、請求項15に記載の方法。
- 前記内部チューブの高振幅作動を生成する周波数で、前記物質の低振幅作動を生成するために、前記作動を制御するステップをさらに含む、請求項15又は16に記載の方法。
- 前記作動するステップは、前記内部チューブと前記外部チューブ間の位置から実行される、請求項15乃至17のいずれかに記載の方法。
- 前記液体物質はヒドロゲルである、請求項15乃至18のいずれかに記載の方法。
- 前記作動は、前記内部チューブに高振幅波を生成するために、前記低振幅波を前記液体物質内に建設的な波干渉を生じる周波数に制御する、請求項17に記載の方法。
- 前記高振幅波は、前記内部チューブに表面波を形成するために使用される、請求項20に記載の方法。
- 前記作動は、前記内部チューブに高振幅波を形成するために、前記低振幅波を、共鳴効果をもたらす周波数に制御する、請求項17に記載の方法。
- 前記液体物質は、ゲルの粘着性を有する、請求項15乃至22のいずれかに記載の方法。
- 内部チューブと前記内部チューブを取り囲む外部チューブを崩壊状態において体腔内に挿入するステップと、
前記外部チューブを膨張するためにステントを使用するステップと、
ゲル状物質を前記外部チューブと内部チューブ間に挿入するステップと、
前記ゲル状物質を前記物質の励起を生じ、前記内部チューブ内にポンピング効果を可能にするために作動するステップと、
を含む、方法。 - 前記外部チューブは、前記体腔にぴったりと配置するために伸長される、請求項24に記載の方法。
- 前記作動するステップは、前記内部チューブの高振幅作動を形成する周波数において、前記ゲル状物質の低振幅作動を形成する前記作動するステップを制御するステップを含む、請求項24又は25に記載の方法。
- 前記作動するステップは、前記外部チューブを移動させないステップを含む、請求項24乃至26のいずれかに記載の方法。
- 略硬質の物質で形成された外部チューブと、
前記外部チューブを動的に励起することなくポンプする、前記外部チューブ内のポンピング部分と、
を含む、ポンプ機器。 - 前記外部チューブ内に内部チューブをさらに含み、前記内部チューブは弾性的に変形可能な物質で形成される、請求項28に記載のポンプ。
- 前記内部チューブと外部チューブの間に物質をさらに含み、前記物質は、加えられた力を伝達することを可能にする機械特性を有する、請求項29に記載のポンプ。
- 高振幅で前記内部チューブの作動を生じるために、前記物質を低振幅で作動し、前記物質内に建設的な波干渉をもたらす作動装置をさらに含む、請求項30に記載のポンプ。
- 外部チューブと内部チューブの間に位置する液体媒体を励起するステップと、
励起を調節するステップと、
を含み、建設的に干渉することができ、比較的小さな作動波が、前記内部チューブ上に誘発されたより大きな振幅波を加え、より大きな振幅波になるように波が形成される、ポンピング方法。 - 前記励起は、前記外部チューブを動的に励起することなく実質的に実行される、請求項32に記載の方法。
- 前記液体媒体は、ゲルである、請求項32に記載の方法。
- 前記外部チューブを体腔内で使用するステップと、前記体腔に力を加えることなく実質的に実行するステップとをさらに含む、請求項33に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75670406P | 2006-01-06 | 2006-01-06 | |
| US60/756,704 | 2006-01-06 | ||
| PCT/US2007/000309 WO2007081818A2 (en) | 2006-01-06 | 2007-01-08 | Resonant multilayered impedance pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009523470A JP2009523470A (ja) | 2009-06-25 |
| JP5147720B2 true JP5147720B2 (ja) | 2013-02-20 |
Family
ID=38256935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008549578A Active JP5147720B2 (ja) | 2006-01-06 | 2007-01-08 | 共鳴多層インピーダンスポンプ |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8092365B2 (ja) |
| EP (1) | EP1974143A4 (ja) |
| JP (1) | JP5147720B2 (ja) |
| WO (1) | WO2007081818A2 (ja) |
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| US7803148B2 (en) | 2006-06-09 | 2010-09-28 | Neurosystec Corporation | Flow-induced delivery from a drug mass |
| US7914436B1 (en) * | 2006-06-12 | 2011-03-29 | Abiomed, Inc. | Method and apparatus for pumping blood |
| JP4649452B2 (ja) * | 2007-08-21 | 2011-03-09 | 東西化学産業株式会社 | チューブフラムポンプ |
| WO2009092067A2 (en) * | 2008-01-18 | 2009-07-23 | Neurosystec Corporation | Valveless impedance pump drug delivery systems |
| CN103533985A (zh) | 2011-06-07 | 2014-01-22 | 加州理工学院 | 药剂递送系统 |
| EP3532120B1 (en) | 2016-10-25 | 2024-05-01 | Magenta Medical Ltd. | Ventricular assist device |
| US11013597B2 (en) | 2018-01-08 | 2021-05-25 | E-Valve Systems Ltd. | Prosthetic aortic valve pacing system |
| US10835750B2 (en) | 2018-01-08 | 2020-11-17 | Rainbow Medical Ltd. | Prosthetic aortic valve pacing system |
| US10543083B2 (en) * | 2018-01-08 | 2020-01-28 | Rainbow Medical Ltd. | Prosthetic aortic valve pacing system |
| US11291844B2 (en) | 2018-01-08 | 2022-04-05 | E-Valve Systems Ltd. | Prosthetic aortic valve pacing system |
| US11065451B1 (en) | 2021-01-06 | 2021-07-20 | E-Valve Systems Ltd. | Prosthetic aortic valve pacing systems |
| US10905808B2 (en) | 2018-01-10 | 2021-02-02 | Magenta Medical Ltd. | Drive cable for use with a blood pump |
| CN115192896A (zh) | 2018-01-10 | 2022-10-18 | 马真塔医药有限公司 | 心室辅助装置 |
| US11602627B2 (en) | 2018-03-20 | 2023-03-14 | Second Heart Assist, Inc. | Circulatory assist pump |
| US12491356B2 (en) | 2018-03-20 | 2025-12-09 | Second Heart Assist, Inc. | Circulatory assist pump |
| WO2019241414A1 (en) * | 2018-06-12 | 2019-12-19 | Arizona Board Of Regents On Behalf Of The University Of Arizona | Tubular propulsion devices and methods of use thereof |
| EP3858422B1 (en) | 2019-01-24 | 2022-11-02 | Magenta Medical Ltd. | Ventricular assist device |
| EP3984589B1 (en) | 2020-04-07 | 2023-08-23 | Magenta Medical Ltd. | Magnetic phase sensing |
| EP4218900B1 (en) | 2021-03-09 | 2025-05-21 | Magenta Medical Ltd. | Ventricular assist device |
| US12544560B2 (en) | 2022-01-14 | 2026-02-10 | Second Heart Assist, Inc. | Wireless chronic implant |
| EP4467828A3 (en) | 2022-09-14 | 2025-02-12 | Magenta Medical Ltd. | Coupling between shaft and drive cable |
| US11975203B1 (en) | 2023-08-18 | 2024-05-07 | E-Valve Systems Ltd. | Prosthetic aortic valve pacing systems |
| US11931255B1 (en) | 2023-08-18 | 2024-03-19 | E-Valve Systems Ltd. | Prosthetic aortic valve pacing systems |
| US12605553B1 (en) | 2025-02-19 | 2026-04-21 | Smartvalves Ltd | In situ assembly of prosthetic pacing valves |
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| US6608668B2 (en) | 2000-08-11 | 2003-08-19 | California Institute Of Technology | Sub miniaturized laser doppler velocimeter sensor |
| WO2002065088A2 (en) | 2000-12-04 | 2002-08-22 | California Institute Of Technology | Particle sizing and concentration sensor using a hollow shaped beam |
| US6717172B2 (en) | 2000-12-19 | 2004-04-06 | California Institute Of Technology | Diffractive optical fluid shear stress sensor |
| US20040013536A1 (en) * | 2001-08-31 | 2004-01-22 | Hower Robert W | Micro-fluidic pump |
| US6672847B2 (en) * | 2001-12-27 | 2004-01-06 | Pratt & Whitney Canada Corp. | Standing wave excitation cavity fluid pump |
| US7998190B2 (en) | 2002-06-17 | 2011-08-16 | California Institute Of Technology | Intravascular miniature stent pump |
| DE60313885T2 (de) * | 2002-11-21 | 2008-01-10 | California Institute Of Technology, Pasadena | Hydroimpedanzpumpe |
| US8540618B2 (en) * | 2003-01-31 | 2013-09-24 | L-Vad Technology, Inc. | Stable aortic blood pump implant |
| US7491170B2 (en) | 2003-03-31 | 2009-02-17 | California Institute Of Technology | Noninvasive methods for assessing valvular and ventricular dysfunction |
| US8197234B2 (en) | 2004-05-25 | 2012-06-12 | California Institute Of Technology | In-line actuator for electromagnetic operation |
| US7524298B2 (en) * | 2004-05-25 | 2009-04-28 | California Institute Of Technology | Device and method for treating hydrocephalus |
| US7410465B2 (en) * | 2004-09-30 | 2008-08-12 | Laufer Michael D | Devices for counteracting hypotension |
| US7398818B2 (en) | 2004-12-28 | 2008-07-15 | California Institute Of Technology | Fluidic pump for heat management |
| US7749152B2 (en) | 2005-01-10 | 2010-07-06 | California Institute Of Technology | Impedance pump used in bypass grafts |
| US7331991B2 (en) | 2005-02-25 | 2008-02-19 | California Institute Of Technology | Implantable small percutaneous valve and methods of delivery |
| US7883325B2 (en) | 2005-03-25 | 2011-02-08 | Arash Kheradvar | Helically actuated positive-displacement pump and method |
-
2007
- 2007-01-08 JP JP2008549578A patent/JP5147720B2/ja active Active
- 2007-01-08 US US11/621,065 patent/US8092365B2/en active Active
- 2007-01-08 WO PCT/US2007/000309 patent/WO2007081818A2/en not_active Ceased
- 2007-01-08 EP EP07716375.6A patent/EP1974143A4/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009523470A (ja) | 2009-06-25 |
| EP1974143A2 (en) | 2008-10-01 |
| WO2007081818A3 (en) | 2007-12-27 |
| EP1974143A4 (en) | 2014-03-12 |
| US20070177997A1 (en) | 2007-08-02 |
| US8092365B2 (en) | 2012-01-10 |
| WO2007081818A2 (en) | 2007-07-19 |
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