JP7456761B2 - 経腸給送ポンプを動作させる方法 - Google Patents
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0026—Parts, details or accessories for feeding-tubes
- A61J15/0076—Feeding 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
- A61M5/168—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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J15/00—Feeding-tubes for therapeutic purposes
- A61J15/0026—Parts, details or accessories for feeding-tubes
- A61J15/008—Sensor means, e.g. for sensing reflux, acidity or pressure
- A61J15/0088—Sensor means, e.g. for sensing reflux, acidity or pressure for sensing parameters related to the device
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- A—HUMAN NECESSITIES
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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
- A61M5/14212—Pumping with an aspiration and an expulsion action
- A61M5/14232—Roller pumps
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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
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
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- A—HUMAN NECESSITIES
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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
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- A61M2005/14208—Pressure infusion, e.g. using pumps with a programmable infusion control system, characterised by the infusion program
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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
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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
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- A—HUMAN NECESSITIES
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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
- A61M2205/00—General characteristics of the apparatus
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- A—HUMAN NECESSITIES
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
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- A—HUMAN NECESSITIES
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
- A61M2205/502—User interfaces, e.g. screens or keyboards
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
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- Control Of Positive-Displacement Pumps (AREA)
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Description
Claims (14)
- ポンプセットを通して流体を送達する蠕動ポンプを動作させる方法であって、
前記蠕動ポンプのコントローラを使用して、前記蠕動ポンプの回転子の回転位置を、パルス状の低減された出力において前記回転子を回転させる前記蠕動ポンプのモータの動作中に示すセンサからのセンサ信号を前記コントローラが監視することに基づいて、前記ポンプセットに閉塞が存在するか否かを決定することを含み、
前記パルス状の低減された出力は、ゼロより大きく、かつ、一回の給送サイクルの間に前記ポンプセットにおける流体の流れをもたらすべく前記回転子を回転させる給送出力より小さく、
前記モータは、前記一回の給送サイクルを開始するべく前記給送出力においてホーム位置から動作し、前記一回の給送サイクルの間に前記給送出力において連続して動作し、及び前記給送出力における前記一回の給送サイクルの回転角度よりも小さい回転角度の間に前記パルス状の低減された出力において動作する、方法。 - 前記ポンプセットにおける前記閉塞は、前記ポンプセット内の圧力を直接測定するセンサを使用することなく決定される、請求項1の方法。
- 前記モータに電力のパルスを供給することによって前記パルス状の低減された出力において動作するように前記回転子を回転させることをさらに含む、請求項1の方法。
- 前記給送出力において前記モータを動作させた後、かつ、前記パルス状の低減された出力において前記モータを動作させる前に、前記回転子の回転を停止させることをさらに含む、請求項1の方法。
- 前記パルス状の低減された出力において前記モータを動作させた後に前記蠕動ポンプの前記回転子が前記ホーム位置まで回転しないまたは少なくとも所定速度で回転しない場合に、前記ポンプセット内に閉塞が存在すると決定することをさらに含む、請求項1の方法。
- 前記センサが検出した前記ホーム位置に先立つホーム前位置において前記回転子の回転が停止した後に前記モータが前記パルス状の低減された出力において動作する、請求項1の方法。
- 前記回転子はローラを含み、
前記回転子の回転を停止させることは、前記回転子を、前記ローラが前記ポンプセットに係合しない前記ホーム前位置に停止させることを含む、請求項6の方法。 - 前記センサ信号は、前記パルス状の低減された出力において前記モータを動作させることにより前記回転子が、前記ローラが前記ポンプセットに係合する前記ホーム位置まで回転するか否かをみるべく監視される、請求項7の方法。
- 閉塞が存在するか否かを決定することは、前記パルス状の低減された出力において前記モータを動作させることにより前記回転子が、前記流体の粘性に基づく所定時間内に前記ホーム位置まで回転するか否かに基づく、請求項8の方法。
- 前記給送出力における前記蠕動ポンプの動作の間に少なくともベースライン電流を前記モータに印加することにより、前記回転子を非閉塞流動状態及び閉塞流動状態の双方において回転させることと、パルス状のインクリメントで電力を供給することと、パルス状の低減された電力を前記モータに供給することとの少なくとも一方により前記低減された出力において前記モータに電力を供給することと
をさらに含む、請求項1の方法。 - 前記パルス状の低減された出力において前記モータを動作させている間、前記一回の給送サイクルの一部の間に、前記回転子の回転が、電力が前記モータに供給される励起周期と、電力が前記モータに供給されない励起解除周期とを含むように、前記モータへの電力が低減される、請求項1の方法。
- 前記コントローラは、前記一回の給送サイクルにおいて単一アリコートのみの流体が残されるまで前記給送出力において前記モータを動作させた後に前記モータを前記パルス状の低減された出力において動作させる、請求項1の方法。
- 励起周期の間に電力を前記モータに印加することにより前記回転子を回転させることと、
励起解除周期の間に前記回転子を回転させる電力を印加しないことにより前記パルス状の低減された出力を生成することと
をさらに含む、請求項1の方法。 - 前記一回の給送サイクルの終わりに前記パルス状の低減された出力において前記モータを動作させることをさらに含む、請求項1の方法。
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US10219985B2 (en) | 2019-03-05 |
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AU2019204607B2 (en) | 2021-04-01 |
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CA2964105A1 (en) | 2016-04-21 |
CA2964105C (en) | 2023-10-17 |
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