JP2005533568A - 注入装置用の光学的偏位センサ - Google Patents
注入装置用の光学的偏位センサ Download PDFInfo
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- 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
- A61M5/16886—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 for measuring fluid flow rate, i.e. flowmeters
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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
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
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- 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
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/1456—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons with a replaceable reservoir comprising a piston rod to be moved into the reservoir, e.g. the piston rod is part of the removable reservoir
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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
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31525—Dosing
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- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
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- G—PHYSICS
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- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
- G01D5/34776—Absolute encoders with analogue or digital scales
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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
- A61M2205/33—Controlling, regulating or measuring
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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
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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
- A61M2205/60—General characteristics of the apparatus with identification means
- A61M2205/6063—Optical identification systems
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- External Artificial Organs (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
本発明の好ましい実施形態に従って、平行移動するピストンを有するタイプの分配装置用の偏位センサが提供される。該センサはピストンに連結するプランジャロッドを備え、該プランジャロッドは特徴を符号化する符号化パターンを有する。光源は符号化パターンを照らし、そして、検出信号を基礎として、プロセッサが起点の基準位置に関するプランジャロッドの偏位を決定するように、検出アレーは照らされた符号化パターンから光を検出して、検出器信号を生成する。装置によって分配される物質の供給速度は、また決定され得る。加えて、符号化パターンは、例えば、分配装置によって供給される治療薬の異なった濃度によって特徴づけられるリザーバタイプを識別するのに役立つことができる。
治療薬を患者の体内に供給するためのポンプの主要素は、図1に関して記載されている。
薬剤リザーバ11(典型的には円筒形状)は、ハウジング16内に保持され、供給管18および皮下注射針(図示せず)を介して患者に供給される液状薬剤を含む。そのリザーバに含まれる液状薬剤は、リザーバの軸と同軸方向8に沿って、ピストン30の線形運動によって、決定された速さでリザーバから押し出される。減速ギアドライブを介してスクリュードライブ14に連結されたモーター(見えない)によって、ピストンは、順番に、所定の速度で駆動されるプランジャロッド12によって動かされる。本発明は、ポンプ(例えばインスリンペン)以外の供給装置のために都合よく適用され得ると理解され、同様に、様々な流体の供給、または薬剤または他の物質であり得る物質の供給装置のために都合よく適用され得ると理解される。ポンプの、そして患者への治療薬の供給に関する説明は限定することなく、そして、実施形態だけとしてある。本発明の実施形態は、例えば、給水に浄化剤の供給のためにも、都合よく適用され得る。供給される流体は典型的には液体であるが、本願明細書において記載され、そして添付の特許請求の範囲でクレームしているように、他の物質の供給もまた本発明の範囲内である。
a. 供給精度をモニターすること;
b. リザーバ(例えばその内容に関して)の特徴を識別すること;
c. リザーバに残っている流体量を決定すること;および
d. リザーバの適切な負荷を検査すること。
本発明の好ましい実施形態において、ほぼ16μmのピクセル解像度については、検出器44は、512ピクセルの線形配列として理解される。検出器44は、プランジャロッド38の移動線に沿ってかつ平行に配置され、リードねじ40の端部で実質的に開始する。特に、集束光学素子が使用されないとき、検出器44がプランジャロッド38に非常に近くに配置されるのが好ましい。
Claims (20)
- 平行移動するピストンを有する物質の供給装置用の偏位センサであって、
a. 特徴を符号化する符号化パターンを有するピストンに連結されたプランジャロッド;
b. 符号化パターンを照らす光源;
c. 照らされた符号化パターンから光を検出して、検出器信号を生成する検出器アレー;および
d. 少なくとも該検出器信号に基づく起点の基準位置と関連するプランジャロッドの偏位を決定するプロセッサ;
を備える偏位センサ。 - 前記符号化特徴は、プランジャロッドを通した調整された光学的透過の領域である、請求項1に記載の偏位センサ。
- 前記符号化特徴は、プランジャロッドによる調整された光学的反射の領域である、請求項1に記載の偏位センサ。
- 前記符号化特徴は、プランジャロッドを通した強化された透過の複数のスロットである、請求項1に記載の偏位センサ。
- 前記各々のスロットは、距離のユニークな組合せによって、最も近い隣の各ペアから偏位される、請求項4に記載の偏位センサ。
- 前記スロット間のどのような二つの隣接した間隔の組合せは、独自にリザーバの特徴を識別する、請求項4に記載の偏位センサ。
- 前記リザーバの識別された特徴は、起点の位置と関連する偏位である、請求項6に記載の偏位センサ。
- 前記リザーバの識別された特徴は、プランジャロッドが関係するリザーバの内容である、請求項6に記載の偏位センサ。
- 前記リザーバの識別された特徴は、少なくとも一つの直径および壁の構成材料を含む、請求項6に記載の偏位センサ。
- 前記光源は、プランジャロッドの領域を実質的に均一の光学強度で照明するための光学拡散器を含む、請求項1に記載の偏位センサ。
- 前記特徴を符号化する符号化パターンは、プランジャロッドに沿って繰り返す、請求項1に記載の偏位センサ。
- a. 物質を含む円筒状内部容量を有するリザーバ;
b. 物質の測定された量を移動させて供給するためにリザーバの内部容量の中で運動の線形軸に沿ってピストンを推進するためのプランジャロッド;
c. 該ピストンの運動の線形軸と平行な方向にプランジャロッドに沿って配置された、特徴を符号化する符号化パターン;
d. 照らされた符号化パターンから光を検出して、検出器信号を生成するための検出器アレー;および
e. 少なくとも該検出器信号に基づく起点の基準位置と関連してプランジャロッドの偏位を決定するためのプロセッサ;を備えた供給装置。 - 前記符号化特徴は、プランジャロッドを通して調整された光学的透過の領域である、請求項12に記載の供給装置。
- 前記符号化特徴は、プランジャロッドを通して強化された透過の複数のスロットである、請求項12に記載の供給装置。
- 前記各々のスロットは、距離のユニークな組合せによって、最も近い隣の一対から偏位される、請求項12に記載の供給装置。
- 1以上のリザーバのバージョンを有し、前記符号化パターンは、リザーバのバージョンを独自に決定する、請求項12に記載の供給装置。
- 物質のリザーバの中で、運動の軸に沿って駆動するピストンを有する分配器によって、物質を分配する速度を測定する方法であって;
a. 該ピストンに連結されたプランジャロッドに配置した特長を符号化する符号化パターンを照明すること;
b. 照らされた符号化特徴から光を検出して、検出器信号を生成すること;および
c. .少なくとも検出器信号に基づく起点の基準位置と関連してプランジャロッドの偏位を決定すること;を包含する方法。 - 前記光を検出する工程が、照明された符号化特徴のイメージを得ることを更に含む、請求項17に記載の方法。
- 前記偏位を決定する工程が、符号化特徴を通した光透過のピークの位置を決定することを更に含む、請求項17に記載の方法。
- 前記各々の連続した検出器配列値を、n個のソフトウェア配列要素の各々の連続したグループに保存する工程を更に備える、請求項17に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39825902P | 2002-07-24 | 2002-07-24 | |
PCT/US2003/023020 WO2004009163A1 (en) | 2002-07-24 | 2003-07-23 | Optical displacement sensor for infusion devices |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010249215A Division JP5307109B2 (ja) | 2002-07-24 | 2010-11-05 | 注入装置用の光学的偏位センサ |
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JP2005533568A true JP2005533568A (ja) | 2005-11-10 |
JP2005533568A5 JP2005533568A5 (ja) | 2006-08-31 |
JP4658599B2 JP4658599B2 (ja) | 2011-03-23 |
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JP2004523343A Expired - Fee Related JP4658599B2 (ja) | 2002-07-24 | 2003-07-23 | 注入装置用の光学的偏位センサ |
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JP2012258257A Withdrawn JP2013039450A (ja) | 2002-07-24 | 2012-11-27 | 注入装置用の光学的偏位センサ |
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CA (1) | CA2492983C (ja) |
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2009
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JP2007167222A (ja) * | 2005-12-20 | 2007-07-05 | Japan Servo Co Ltd | シリンジポンプ装置 |
JP2009534147A (ja) * | 2006-04-26 | 2009-09-24 | ノボ・ノルデイスク・エー/エス | 薬剤送達装置における運動エレメントの非接触式の絶対位置測定 |
JP2010505475A (ja) * | 2006-10-07 | 2010-02-25 | サノフィ−アベンティス・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | ガラス製アンプルのストッパ位置の光学的決定方法 |
JP2013516242A (ja) * | 2009-12-31 | 2013-05-13 | デカ・プロダクツ・リミテッド・パートナーシップ | 注入ポンプアセンブリ |
JP2016019865A (ja) * | 2009-12-31 | 2016-02-04 | デカ・プロダクツ・リミテッド・パートナーシップ | 注入ポンプアセンブリ |
US11116892B2 (en) | 2012-08-28 | 2021-09-14 | Osprey Medical, Inc. | Medium injection diversion and measurement |
US11219719B2 (en) | 2012-08-28 | 2022-01-11 | Osprey Medical, Inc. | Volume monitoring systems |
US11135375B2 (en) | 2012-08-28 | 2021-10-05 | Osprey Medical, Inc. | Volume monitoring systems |
JP2015530197A (ja) * | 2012-10-04 | 2015-10-15 | サノフィ−アベンティス・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | 薬剤送達デバイスおよびカートリッジ |
US10737039B2 (en) | 2012-10-04 | 2020-08-11 | Sanofi-Aventis Deutschland Gmbh | Medicament delivery device and cartridge |
JP2017508596A (ja) * | 2014-03-21 | 2017-03-30 | オスプレイ メディカル インク. | ピストン棒の位置をモニタするための光学系を有する注入装置 |
JP7040937B2 (ja) | 2014-03-21 | 2022-03-23 | オスプレイ メディカル インク. | ピストン棒の位置をモニタするための光学系を有する注入装置 |
JPWO2016147519A1 (ja) * | 2015-03-16 | 2017-12-28 | テルモ株式会社 | 点滴検出装置、及びこれを利用した輸液ポンプ |
JP2021142361A (ja) * | 2015-03-31 | 2021-09-24 | オスプリー メディカル,インコーポレイティド | 媒体送達を調整するための装置及び方法 |
JP2020036876A (ja) * | 2018-07-13 | 2020-03-12 | ザイノ メディカル, エルエルシーZyno Medical, Llc | 取り外し可能なポンプユニットを備える高精度シリンジ |
JP7526558B2 (ja) | 2018-07-13 | 2024-08-01 | ザイノ メディカル,エルエルシー | 取り外し可能なポンプユニットを備える高精度シリンジ |
US11499841B2 (en) | 2019-04-12 | 2022-11-15 | Osprey Medical, Inc. | Energy-efficient position determining with multiple sensors |
Also Published As
Publication number | Publication date |
---|---|
US20200023125A1 (en) | 2020-01-23 |
US20040135078A1 (en) | 2004-07-15 |
US8552361B2 (en) | 2013-10-08 |
CN1671432A (zh) | 2005-09-21 |
EP1526885A1 (en) | 2005-05-04 |
CN1671432B (zh) | 2010-05-12 |
JP5307109B2 (ja) | 2013-10-02 |
MXPA05000951A (es) | 2005-05-16 |
US10905825B2 (en) | 2021-02-02 |
US20180236167A1 (en) | 2018-08-23 |
US20210154404A1 (en) | 2021-05-27 |
DE60310233T2 (de) | 2007-09-13 |
ATE347389T1 (de) | 2006-12-15 |
JP2013039450A (ja) | 2013-02-28 |
AU2003256696A1 (en) | 2004-02-09 |
US10426889B2 (en) | 2019-10-01 |
JP2011020003A (ja) | 2011-02-03 |
US11690954B2 (en) | 2023-07-04 |
US20090224145A1 (en) | 2009-09-10 |
US9950110B2 (en) | 2018-04-24 |
CA2492983A1 (en) | 2004-01-29 |
AU2003256696B2 (en) | 2008-12-11 |
CA2492983C (en) | 2010-07-20 |
US7498563B2 (en) | 2009-03-03 |
EP1526885B1 (en) | 2006-12-06 |
WO2004009163A1 (en) | 2004-01-29 |
JP4658599B2 (ja) | 2011-03-23 |
US20140039397A1 (en) | 2014-02-06 |
DE60310233D1 (de) | 2007-01-18 |
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