JP7357716B2 - 液体低体積検出および閉塞検知のための力検知抵抗器、ならびに流体送達デバイス内の流体経路に沿った流れ検知のための方法および装置 - Google Patents
液体低体積検出および閉塞検知のための力検知抵抗器、ならびに流体送達デバイス内の流体経路に沿った流れ検知のための方法および装置 Download PDFInfo
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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
- A61M5/16854—Monitoring, detecting, signalling or eliminating infusion flow anomalies by monitoring line pressure
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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
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
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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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/332—Force measuring 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
-
- 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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
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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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
- A61M2205/3386—Low level detectors
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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
- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
-
- 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
- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
- A61M2205/502—User interfaces, e.g. screens or keyboards
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- Health & Medical Sciences (AREA)
- Hematology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dermatology (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
Claims (9)
- 流体伝達システムであって、
流体リザーバと、
流体経路を介して前記流体リザーバから患者への流体の前記流れを制御するポンプと、
流体の流れまたは圧力を検出するために前記流体経路に沿って配置されたセンサと、
前記流体を前記患者に送達し、前記センサからセンサデータを受信するように前記ポンプを制御するように構成されたプロセッサと、を備え、
前記センサは、エンクロージャ上に突出部を備え、前記突出部は、前記流体と前記センサとの間の接触を可能にして前記流体流または圧力を検出するように前記流体経路内に設けられた空洞(cavity)内に延在するように構成され、前記エンクロージャは、前記検出された流体流または圧力に対応するセンサデータを生成するための電子装置を有し、前記エンクロージャは、前記センサデータを前記プロセッサに提供するために前記プロセッサに接続されるように構成される、流体伝達システム。 - 前記センサは、前記電子装置を前記流体から保護するためのゲルを備えている、請求項1に記載の流体伝達システム。
- 前記センサが圧力センサである、請求項1に記載の流体伝達システム。
- 前記センサは、力検知抵抗器型センサであり、前記空洞内の前記流体は、前記センサの前記外部に接触し、圧力は、前記力感知抵抗器型センサの表面上の圧力の変化から決定される、請求項3に記載の流体伝達システム。
- 前記センサが、前記ポンプにおけるポンプ入口およびポンプ出口のうちの1つ以上で前記流体と連通するように配置される、請求項1に記載の流体伝達システム。
- 前記流体を送達するために前記患者の皮膚にカニューレを挿入するための挿入機構をさらに備え、
前記センサは、前記ポンプと前記挿入機構との間の前記ポンプの下流に配置され、前記ポンプの前記出口における圧力を決定する、請求項5に記載の流体伝達システム。 - 前記ポンプおよび前記挿入機構を支持する平坦なベースをさらに備え、
前記流体経路は、前記平坦なベースの表面上に埋め込まれ、前記ポンプと前記挿入機構との間に延在する少なくとも1つのチャネルを含む、請求項6に記載の流体伝達システム。 - 前記平坦なベースの前記表面上に埋め込まれた前記少なくとも1つのチャネルを覆う流体チャネルカバーをさらに備える、請求項7に記載の流体伝達システム。
- 前記流体チャネルカバーが、透明フィルム、フォイル、柔軟なシート、硬質と軟質の間の半硬質材料、および硬質材料から選択される、請求項7に記載の流体伝達システム。
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US201462087775P | 2014-12-04 | 2014-12-04 | |
US62/087,775 | 2014-12-04 | ||
JP2020167882A JP7049424B2 (ja) | 2014-12-04 | 2020-10-02 | 液体低体積検出および閉塞検知のための力検知抵抗器、ならびに流体送達デバイス内の流体経路に沿った流れ検知のための方法および装置 |
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JP2020167882A Division JP7049424B2 (ja) | 2014-12-04 | 2020-10-02 | 液体低体積検出および閉塞検知のための力検知抵抗器、ならびに流体送達デバイス内の流体経路に沿った流れ検知のための方法および装置 |
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JP2022084857A JP2022084857A (ja) | 2022-06-07 |
JP7357716B2 true JP7357716B2 (ja) | 2023-10-06 |
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JP2017529760A Active JP7061462B2 (ja) | 2014-12-04 | 2015-12-04 | 液体低体積検出および閉塞検知のための力検知抵抗器、ならびに流体送達デバイス内の流体経路に沿った流れ検知のための方法および装置 |
JP2020167882A Active JP7049424B2 (ja) | 2014-12-04 | 2020-10-02 | 液体低体積検出および閉塞検知のための力検知抵抗器、ならびに流体送達デバイス内の流体経路に沿った流れ検知のための方法および装置 |
JP2022050002A Active JP7357716B2 (ja) | 2014-12-04 | 2022-03-25 | 液体低体積検出および閉塞検知のための力検知抵抗器、ならびに流体送達デバイス内の流体経路に沿った流れ検知のための方法および装置 |
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JP2020167882A Active JP7049424B2 (ja) | 2014-12-04 | 2020-10-02 | 液体低体積検出および閉塞検知のための力検知抵抗器、ならびに流体送達デバイス内の流体経路に沿った流れ検知のための方法および装置 |
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US (3) | US11596738B2 (ja) |
EP (3) | EP3936173A1 (ja) |
JP (3) | JP7061462B2 (ja) |
CN (1) | CN208481811U (ja) |
CA (1) | CA2968401C (ja) |
ES (1) | ES2894873T3 (ja) |
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JP2017536206A (ja) | 2017-12-07 |
JP2021010754A (ja) | 2021-02-04 |
JP7049424B2 (ja) | 2022-04-06 |
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