JP2009521969A - マイクロポンプ - Google Patents
マイクロポンプ Download PDFInfo
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- JP2009521969A JP2009521969A JP2008548039A JP2008548039A JP2009521969A JP 2009521969 A JP2009521969 A JP 2009521969A JP 2008548039 A JP2008548039 A JP 2008548039A JP 2008548039 A JP2008548039 A JP 2008548039A JP 2009521969 A JP2009521969 A JP 2009521969A
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Images
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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
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- F04B19/006—Micropumps
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- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
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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
- F04B51/00—Testing machines, pumps, or pumping installations
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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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- 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
- F04B7/00—Piston machines or pumps characterised by having positively-driven valving
- F04B7/04—Piston machines or pumps characterised by having positively-driven valving in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports
- F04B7/06—Piston machines or pumps characterised by having positively-driven valving in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports the pistons and cylinders being relatively reciprocated and rotated
-
- 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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being cams
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- A—HUMAN NECESSITIES
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- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
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- A—HUMAN NECESSITIES
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- A61M2205/00—General characteristics of the apparatus
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- A61M2205/103—General characteristics of the apparatus with powered movement mechanisms rotating
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- A—HUMAN NECESSITIES
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- A61M2205/00—General characteristics of the apparatus
- A61M2205/82—Internal energy supply devices
- A61M2205/8275—Mechanical
- A61M2205/8287—Mechanical operated by an external magnetic or electromagnetic field
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- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1413—Modular systems comprising interconnecting elements
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- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14212—Pumping with an aspiration and an expulsion action
- A61M5/14216—Reciprocating piston type
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- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14212—Pumping with an aspiration and an expulsion action
- A61M5/14236—Screw, impeller or centrifugal type pumps
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- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
- A61M5/14248—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/11—Kind or type liquid, i.e. incompressible
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
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- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Dermatology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Saccharide Compounds (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Details Of Reciprocating Pumps (AREA)
- External Artificial Organs (AREA)
- Micromachines (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
Claims (21)
- ステータ(8)と、
このステータのロータ室(10)内に少なくとも部分的に、摺動自在かつ回転自在に取り付けられた軸方向延長部(14,16)を含むロータ(6)と、
入口と前記ロータ室との間、前記ロータ室と出口(12)との間のそれぞれに配置され、少なくとも前記ロータの角変位に応じて開閉する少なくとも第1の弁および第2の弁とを含むポンプであって、
前記ポンプは、さらに前記ロータおよび前記ステータに設けられた相互作用するカム要素(42,44)と、前記ステータカム要素の軸方向に前記ロータを付勢するため、前記ロータに作用する付勢手段とを備え、
前記カム要素(42,44)は、両方の弁が閉じるとき、所定の角度位置において、特定の軸方向距離hだけ離間するように構成されていることを特徴とするポンプ。 - 前記ロータ(6)は、異なる直径を有する少なくとも第1および第2の軸方向延長部(14,16)と、前記第1および第2軸方向延長部の周囲に取り付けられた第1および第2シール(18,20)とを含み、これら軸方向延長部には、前記各第1および第2シールと協動し、少なくとも前記ロータの角変位に応じて、前記各シール間で液体を連通および遮断する第1および第2の弁を形成する液体供給通路が設けられていることを特徴とする請求項1に記載のポンプ。
- 前記カム要素は、前記ステータに対して前記ロータの角度基準位置を画定するため、前記ロータを逆回転する際、相互に係合可能な当接肩部(68,70)を含むことを特徴とする請求項2に記載のポンプ。
- 前記ステータの周囲に設けられた前記カム要素(42)は、突起の形状を有しており、前記ロータの前記カム要素(44)は、前記軸方向延長部(14,16)の始点となるモータ部(34)に設けられ、前記ロータカム要素(44)は、円弧状に延び、前記角度位置に応じて軸方向高さが変化するカム面(48)を含むことを特徴とする請求項1から3のいずれか一項に記載のポンプ。
- 前記付勢手段は、前記ステータに取り付けられて、前記ロータを押圧するバネ(50)を含むことを特徴とする請求項1から4のいずれか一項に記載のポンプ。
- 前記ポンプの入口(26)は、前記第1軸方向ロータ延長部(14)の端部に位置することを特徴とする請求項1から5のいずれか一項に記載のポンプ。
- 前記ポンプの入口を画定するハウジング部(40)が、給送される液体を貯留する貯蔵器と一体形成されていることを特徴とする請求項6に記載にポンプ。
- 前記第1および第2シールは、単一の一体シール要素(30)として形成されることを特徴とする請求項1から7のいずれか一項に記載のポンプ。
- 前記ポンプモジュールは、前記ロータのモータ部(34)に近接する前記第2軸方向延長部の周囲に取り付けられ、前記ロータ室の出口部(12)の境界を画定する第3シールを含むことを特徴とする請求項1から8のいずれか一項に記載のポンプ。
- 前記各シールは、少なくとも前記ステータハウジングの一部と共に射出成形されることを特徴とする請求項1から9のいずれか一項に記載のポンプ。
- モータ部(34)と、異なる直径を有し、前記モータ部(34)から延びる第1および第2軸方向延長部(14,16)とを備えたロータ(6)と、
少なくとも前記軸方向延長部を収容するロータ室(10,12)を有するステータハウジングと、前記第1および第2軸方向延長部の周囲に取り付けられる第1および第2シール(18,20)とを備えたステータ(8)と、
を含むポンプであって、
前記軸方向延長部には、前記各第1および第2シールと協動し、少なくとも前記ロータの角変位に応じて、前記各シールを通して液体を連通および遮断する第1の弁および第2の弁を形成する液体供給通路が設けられ、
ポンプモジュールは、前記ロータのモータ部(34)に近接する前記第2軸方向延長部の周囲に取り付けられ、前記ロータ室の出口部(12)の境界を画定する第3シールを含むことを特徴とするポンプ。 - 請求項1から10のいずれか一項に記載されたポンプモジュールの特徴をさらに備えたことを特徴とする請求項1から11のいずれか一項に記載のポンプ。
- 貯蔵器と、前記貯蔵器(41)に取り付けられた請求項1から12のいずれか一項に記載のポンプとを含む使い捨てユニットを備えたパッチポンプ装置。
- 患者の皮膚にパッチポンプを接着して取り付けるのに適した接着ベース(43)をさらに含むことを特徴とする請求項13に記載のパッチポンプ装置。
- 前記ポンプの出口と連通し、薬物の皮下投与に適したカテーテルをさらに含むことを特徴とする請求項13または14に記載のパッチポンプ装置。
- 前記ポンプロータを駆動する駆動部(36)を備えた再利用可能なベースユニット(38)をさらに含み、このベースユニットが前記使い捨てユニットに着脱自在に取り付けられることを特徴とする請求項13から15のいずれか一項に記載のパッチポンプ装置。
- ステータ(8)と、
このステータのロータ室(10)内に少なくとも部分的に、摺動自在かつ回転自在に取り付けられた軸方向延長部(14,16)を含むロータ(6)と、
入口と前記ロータ室との間、前記ロータ室と出口(12)との間のそれぞれに配置され、少なくとも前記ロータの角度位置に応じて開閉する少なくとも第1の弁および第2の弁とを含むポンプを操作する方法であって、
前記ロータの角度位置に応じた前記ロータの軸方向変位を検出するステップと、
下流側の閉塞、弁の漏れ、または前記ロータ室内の空気に起因する故障があるかどうかを決定するため、検出された前記軸方向変位を予測変位値と比較するステップとを含むことを特徴とする方法。 - 前記第1の弁および第2の弁が閉じるテスト位置まで前記ロータを回転させるステップと、
前記ロータに軸方向の力を加えるステップとをさらに含み、
前記ロータ室内の空気、またはいずれかの弁の漏れに起因する故障を検査する請求項17に記載の方法。 - 前記ロータおよび前記ステータの相互作用するカム要素(42,44)と、前記ステータカム要素の軸方向に前記ロータを付勢するため、前記ロータに作用する付勢手段とをさらに備えたポンプを操作するための、請求項18に記載の方法であって、
前記テスト位置として、前記カム要素が特定の軸方向距離hだけ離間し、両方の弁が閉じる位置を選択するステップを含むことを特徴とする方法。 - 前記ロータを一またはそれ以上のサイクルにわたって給送方向に回転させ、次に、前記ロータの肩部(68,70)と前記ステータカム要素が当接するまで、前記ロータを逆回転させることにより、前記ステータに対して前記ロータの基準角度位置を画定するステップを含む請求項17から19のいずれか一項に記載の方法。
- ステータ(8)と、
このステータのロータ室(10)内に少なくとも部分的に、摺動自在かつ回転自在に取り付けられた軸方向延長部(14,16)を含むロータ(6)と、
入口と前記ロータ室との間、前記ロータ室と出口(12)との間のそれぞれに配置され、少なくとも前記ロータの角変位に応じて開閉する少なくとも第1の弁および第2の弁とを含み、
さらに、前記ロータおよび前記ステータに設けられた相互作用するカム要素(42,44)と、前記ステータカム要素の軸方向に前記ロータを付勢するため、前記ロータに作用する付勢手段とを備えるポンプを操作する方法であって、
前記ロータを一またはそれ以上のサイクルにわたって給送方向に回転させるステップと、
次に、前記ステータに対する前記ロータの基準角度位置を画定するため、前記ロータの肩部(68,70)と前記ステータカム要素が当接するまで、前記ロータを逆回転させるステップとを含むことを特徴とする方法。
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EP05405726A EP1803934B1 (en) | 2005-12-28 | 2005-12-28 | Micropump |
EP06405462 | 2006-11-02 | ||
EP06405462.0 | 2006-11-02 | ||
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