JP6945871B2 - 漏出検出センサおよび薬液注入システム - Google Patents
漏出検出センサおよび薬液注入システム Download PDFInfo
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- JP6945871B2 JP6945871B2 JP2019151346A JP2019151346A JP6945871B2 JP 6945871 B2 JP6945871 B2 JP 6945871B2 JP 2019151346 A JP2019151346 A JP 2019151346A JP 2019151346 A JP2019151346 A JP 2019151346A JP 6945871 B2 JP6945871 B2 JP 6945871B2
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- 238000002347 injection Methods 0.000 title claims description 89
- 238000001514 detection method Methods 0.000 title claims description 72
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- 210000004204 blood vessel Anatomy 0.000 claims description 21
- 239000003814 drug Substances 0.000 claims description 21
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- 206010015866 Extravasation Diseases 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 230000036251 extravasation Effects 0.000 description 6
- 239000002872 contrast media Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/12—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto
- H01L31/16—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto the semiconductor device sensitive to radiation being controlled by the light source or sources
-
- 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
- A61M5/007—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 for contrast media
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
-
- 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
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/14546—Front-loading type injectors
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/043—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances for fluorescence imaging
-
- 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
- A61M2205/15—Detection of leaks
-
- 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
- A61M2205/3306—Optical measuring means
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Description
被験者に照射する光を出射する複数の発光素子と、
前記複数の発光素子から出射して前記被験者で反射した光を受光する1つの受光素子と、
を有し、
前記複数の発光素子は、前記1つの受光素子を取り囲んで配置されていることを特徴とする。
前記漏出検出センサが漏出の検出対象とする薬液を注入する薬液注入装置と、
を有し、
前記薬液注入装置は、前記薬液の注入動作および前記漏出検出センサの動作を制御することを特徴とする。
るので、外乱光を検出しない場合と比べて出力値が高くなる。従って、発光素子11から
の光を検出するタイミングでの受光素子12からの出力値が、薬液の血管外漏出がない場
合の出力値よりも高ければ、受光素子12は発光素子11からの光以外の光、すなわち外
乱光を受光したということであり、漏出判断部30は、センサヘッド10に剥がれが生じ
たと判断することができる。また、発光素子11からの光を検出するタイミングではない
タイミングで受光素子12から所定の値以上の出力値が得られた場合、本来は受光素子1
2が光を受光しない状態で光を受光したということであるので、この場合も、漏出判断部
30は、センサヘッド10に剥がれが生じたと判断することができる。
以上、本発明について説明したが、本明細書は以下に記載された発明を開示する。ただし、本明細書の開示事項は以下の発明に限定されない。
被験者に照射する光を出射する複数の発光素子と、
前記複数の発光素子から出射して前記被験者で反射した光を受光する1つの受光素子と、
を有し、
前記複数の発光素子は、前記1つの受光素子を取り囲んで配置されていることを特徴と
する漏出検出センサ。
前記筐体は、前記発光素子および受光素子と対向する位置に、光を通過させるための複数の開口部が形成され、使用時に被験者の体表面に密着される密着面を有する請求項1に記載の漏出検出センサ。
前記漏出検出センサが漏出の検出対象とする薬液を注入する薬液注入装置と、
を有し、
前記薬液注入装置は、前記薬液の注入動作および前記漏出検出センサの動作を制御することを特徴とする薬液注入システム。
10、50 センサヘッド
11 発光素子
19 押さえ部材
12 受光素子
13 基板
15、55 筐体
16、56 ケーブル
17、57 密着面
18 透光部材
17a、17b、57a、57b 開口部
20 センサ制御部
30 漏出判断部
100 薬液注入装置
101 注入制御ユニット
110 注入ヘッド
200C、200P シリンジ
Claims (4)
- 被験者の血管内に注入されるべき薬液が血管外に漏出したことを検出する漏出検出センサであって、
複数の発光素子と、
1つの受光素子と、
前記発光素子および前記受光素子を内部に保持する、使用時に被検者に密着される密着面とその反対側の上面とを有するセンサヘッドと、
を有し、
前記センサヘッドの上面に十字状のマークが設けられており、
前記受光素子は、前記密着面から見て前記マークの十字の交点上に位置し、
前記複数の発光素子は、前記受光素子を取り囲んで前記マークの十字に対して線対称に配置され、
前記密着面に、前記複数の発光素子とそれぞれ対向する複数の第1の開口部および前記受光素子と対向する第2の開口部が形成され、前記複数の発光素子からの光は、それぞれ前記複数の第1の開口部の各々を通過して前記センサヘッド外部へ出射し、前記受光素子は、前記第2の開口部を通過して前記センサヘッドの内部に入射した光を受光するように構成されていることを特徴とする漏出検出センサ。 - 前記マークは、互いに直交する十字溝である請求項1に記載の漏出検出センサ。
- 前記マークは、十字状に形成された凸状部である請求項1に記載の漏出検出センサ。
- 前記マークは、前記センサヘッドを被験者に固定する際に前記センサヘッドと注入針との位置合わせに利用される請求項1から3のいずれか一項に記載の漏出検出センサ。
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JP2021146006A JP2021191467A (ja) | 2011-03-31 | 2021-09-08 | 漏出検出センサおよび薬液注入システム |
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JP2011078737 | 2011-03-31 | ||
JP2011078737 | 2011-03-31 | ||
JP2018018010A JP6577070B2 (ja) | 2011-03-31 | 2018-02-05 | 漏出検出センサおよび薬液注入システム |
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JP2020006187A JP2020006187A (ja) | 2020-01-16 |
JP6945871B2 true JP6945871B2 (ja) | 2021-10-06 |
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JP2013507825A Active JP5968872B2 (ja) | 2011-03-31 | 2012-03-30 | 漏出検出センサおよび薬液注入システム |
JP2016133812A Active JP6286485B2 (ja) | 2011-03-31 | 2016-07-06 | 漏出検出センサおよび薬液注入システム |
JP2018018010A Active JP6577070B2 (ja) | 2011-03-31 | 2018-02-05 | 漏出検出センサおよび薬液注入システム |
JP2019151346A Active JP6945871B2 (ja) | 2011-03-31 | 2019-08-21 | 漏出検出センサおよび薬液注入システム |
JP2021146006A Pending JP2021191467A (ja) | 2011-03-31 | 2021-09-08 | 漏出検出センサおよび薬液注入システム |
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JP2013507825A Active JP5968872B2 (ja) | 2011-03-31 | 2012-03-30 | 漏出検出センサおよび薬液注入システム |
JP2016133812A Active JP6286485B2 (ja) | 2011-03-31 | 2016-07-06 | 漏出検出センサおよび薬液注入システム |
JP2018018010A Active JP6577070B2 (ja) | 2011-03-31 | 2018-02-05 | 漏出検出センサおよび薬液注入システム |
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US (1) | US9905721B2 (ja) |
EP (1) | EP2692375B1 (ja) |
JP (5) | JP5968872B2 (ja) |
CN (2) | CN103596608B (ja) |
WO (1) | WO2012133845A1 (ja) |
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JP2010252875A (ja) * | 2009-04-21 | 2010-11-11 | Panasonic Corp | 光電式生体測定装置 |
CN201519331U (zh) * | 2009-10-13 | 2010-07-07 | 钟聪 | 一种医用输液时渗漏的检测装置 |
KR100997444B1 (ko) | 2009-11-17 | 2010-11-30 | (주)에이치쓰리시스템 | 광용적맥파 측정기 |
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WO2012133845A1 (ja) | 2012-10-04 |
JP6286485B2 (ja) | 2018-02-28 |
EP2692375B1 (en) | 2018-05-30 |
JP2018102939A (ja) | 2018-07-05 |
JP5968872B2 (ja) | 2016-08-10 |
JP2016190069A (ja) | 2016-11-10 |
EP2692375A1 (en) | 2014-02-05 |
JP6577070B2 (ja) | 2019-09-18 |
CN106955398A (zh) | 2017-07-18 |
US20130109967A1 (en) | 2013-05-02 |
EP2692375A4 (en) | 2014-12-17 |
JP2021191467A (ja) | 2021-12-16 |
JP2020006187A (ja) | 2020-01-16 |
CN103596608A (zh) | 2014-02-19 |
JPWO2012133845A1 (ja) | 2014-07-28 |
US9905721B2 (en) | 2018-02-27 |
CN103596608B (zh) | 2017-05-17 |
CN106955398B (zh) | 2020-04-17 |
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