JP6591806B2 - 内部カム計量ポンプ - Google Patents
内部カム計量ポンプ Download PDFInfo
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- JP6591806B2 JP6591806B2 JP2015133035A JP2015133035A JP6591806B2 JP 6591806 B2 JP6591806 B2 JP 6591806B2 JP 2015133035 A JP2015133035 A JP 2015133035A JP 2015133035 A JP2015133035 A JP 2015133035A JP 6591806 B2 JP6591806 B2 JP 6591806B2
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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
-
- 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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
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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
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/006—Micropumps
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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
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/02—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00 having movable cylinders
- F04B19/025—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00 having movable cylinders cylinders rotating around their own axis
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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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/08—Actuation of distribution members
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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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/16—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by adjusting the capacity of dead spaces of working chambers
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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
- F04B7/00—Piston machines or pumps characterised by having positively-driven valving
- F04B7/0057—Mechanical driving means therefor, e.g. cams
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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
- F04B7/00—Piston machines or pumps characterised by having positively-driven valving
- F04B7/0057—Mechanical driving means therefor, e.g. cams
- F04B7/0061—Mechanical driving means therefor, e.g. cams for a rotating member
- F04B7/0065—Mechanical driving means therefor, e.g. cams for a rotating member being mounted on the main shaft
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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
- 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
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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
- 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
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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
- 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
- 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
- A61M2005/14252—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type with needle insertion means
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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
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M2005/16863—Occlusion detection
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/10—General characteristics of the apparatus with powered movement mechanisms
- A61M2205/103—General characteristics of the apparatus with powered movement mechanisms rotating
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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
- A61M5/14244—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
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
- F04B43/043—Micropumps
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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
- 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
- F04B9/047—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 pin-and-slot mechanisms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
Claims (13)
- 注入によって薬剤を送達するためのマイクロポンプであって、
ポンプハウジングと、
前記ポンプハウジング内に配置され、長手方向のピストン軸を有するピストンと、
前記ピストンを前記ピストン軸周りで回転させるように適合されたモータとを備え、
前記ポンプハウジングは、前記ピストンを収容する軸方向の開口と、前記ピストン軸に対して半径方向に配置され、カニューレと流体連通する第1の口部と、前記ピストン軸に対して半径方向に配置され、リザーバと流体連通する第2の口部と、前記第1の口部および前記第2の口部に設置される二つの弁アクチュエータとを有し、
前記ピストンは、その一端に偏心カム表面を有し、前記偏心カム表面は、前記ピストンのそれぞれの回転位置で前記第1の口部および前記第2の口部を順次開閉するように適合され、
前記偏心カム表面は、前記ピストンが回転したとき、前記各弁アクチュエータを順次偏位し、流体流がそれぞれ前記第1の口部および前記第2の口部を通ることを可能にし、
前記ポンプハウジング内での前記ピストンの軸方向の位置がポンプ容積空間を決定することを特徴とするマイクロポンプ。 - 前記ポンプハウジングは静止しており、
前記ピストンは、前記モータと前記偏心カム表面の間に設置される軸方向の位置のカム表面を備え、
前記軸方向の位置のカム表面、前記ポンプハウジング上の静止部材と係合し、前記ピストンが回転するとき前記ピストンを前記ポンプハウジング内で軸方向に平行移動するように適合されたことを特徴とする請求項1に記載のマイクロポンプ。 - 前記ポンプハウジング上の前記静止部材は、前記ポンプハウジング内において口部内に収容されるカムピンであることを特徴とする請求項2に記載のマイクロポンプ。
- 前記ピストンは、自由に回転するが、固定された軸方向の位置を有し、前記ポンプハウジングは、自由に軸方向で平行移動するが、固定された回転位置を有することを特徴とする請求項1に記載のマイクロポンプ。
- 前記モータと前記ピストンの間のコネクタをさらに備え、前記コネクタは、前記モータと前記ピストンの間でトルクを伝達し、前記コネクタに対する前記ピストンの軸方向の移動を可能にし、前記コネクタに対する前記ピストンの回転移動を妨げるように前記ピストンと係合することを特徴とする請求項1に記載のマイクロポンプ。
- 前記ポンプピストン上の軸方向に細長いスロットが前記コネクタ上のタブと係合し、前記コネクタに対する前記ピストンの軸方向の移動を可能にし、前記コネクタに対する前記ピストンの回転移動を妨げることを特徴とする請求項5に記載のマイクロポンプ。
- 前記第1の口部および前記第2の口部は、それぞれがOリングシールを含み、前記弁アクチュエータは、ばね荷重弁アクチュエータであり、各弁アクチュエータは先端を有し、両弁アクチュエータの前記先端は、常時閉位置で前記偏心カム表面とクリアランスがあり、前記Oリングシールに対するばね力は、前記弁アクチュエータが前記マイクロポンプの動作圧力下で開かないことを確実にするのに十分に高いものであり、前記偏心カム表面は、前記ピストンが回転したとき前記各弁アクチュエータを順次偏位し、前記Oリングシールに対する圧力を解放し、流体流がそれぞれ前記第1の口部および前記第2の口部を通ることを可能にすることを特徴とする請求項1に記載のマイクロポンプ。
- マイクロプロセッサと、移動センサとをさらに備え、
前記移動センサは、前記マイクロプロセッサと通信する接触スイッチであり、完全なサイクルを通じて前記ピストンの回転によってトリガされることを特徴とする請求項1に記載のマイクロポンプ。 - 前記リザーバは、少なくとも1つの可撓性の壁を有することを特徴とする請求項1に記載のマイクロポンプ。
- ユーザによって着用可能であり、前記マイクロポンプと、電源とを含む外側ハウジングをさらに備えることを特徴とする請求項1に記載のマイクロポンプ。
- 前記カニューレの展開は、前記モータの回転によってトリガされることを特徴とする請求項1に記載のマイクロポンプ。
- ユーザ操作可能なコントロールと、前記外側ハウジング上のディスプレイとをさらに備えることを特徴とする請求項10に記載のマイクロポンプ。
- 前記リザーバへのアクセスを有する充填ポートを有する、前記外側ハウジング上の口部をさらに備えることを特徴とする請求項1に記載のマイクロポンプ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/322,432 US9416775B2 (en) | 2014-07-02 | 2014-07-02 | Internal cam metering pump |
US14/322,432 | 2014-07-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016026558A JP2016026558A (ja) | 2016-02-18 |
JP6591806B2 true JP6591806B2 (ja) | 2019-10-16 |
Family
ID=53525062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015133035A Active JP6591806B2 (ja) | 2014-07-02 | 2015-07-01 | 内部カム計量ポンプ |
Country Status (6)
Country | Link |
---|---|
US (1) | US9416775B2 (ja) |
EP (1) | EP2962714B1 (ja) |
JP (1) | JP6591806B2 (ja) |
CN (1) | CN204972511U (ja) |
CA (1) | CA2894175C (ja) |
ES (1) | ES2731576T3 (ja) |
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2014
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US9416775B2 (en) | 2016-08-16 |
CN204972511U (zh) | 2016-01-20 |
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