WO2010058796A1 - Système de détection de fuite - Google Patents

Système de détection de fuite Download PDF

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Publication number
WO2010058796A1
WO2010058796A1 PCT/JP2009/069564 JP2009069564W WO2010058796A1 WO 2010058796 A1 WO2010058796 A1 WO 2010058796A1 JP 2009069564 W JP2009069564 W JP 2009069564W WO 2010058796 A1 WO2010058796 A1 WO 2010058796A1
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WO
WIPO (PCT)
Prior art keywords
extravasation
patient
information
leak detection
detection system
Prior art date
Application number
PCT/JP2009/069564
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English (en)
Japanese (ja)
Inventor
茂 根本
正博 榊原
Original Assignee
株式会社根本杏林堂
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社根本杏林堂 filed Critical 株式会社根本杏林堂
Priority to JP2010539240A priority Critical patent/JP5897798B2/ja
Publication of WO2010058796A1 publication Critical patent/WO2010058796A1/fr

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Classifications

    • 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
    • A61M5/16836—Monitoring, detecting, signalling or eliminating infusion flow anomalies by sensing tissue properties at the infusion site, e.g. for detecting infiltration
    • 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/04—Liquids
    • A61M2202/0468—Liquids non-physiological
    • A61M2202/049—Toxic
    • 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
    • A61M2205/3313—Optical measuring means used specific wavelengths
    • 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
    • A61M2205/35—Communication
    • A61M2205/3546—Range
    • A61M2205/3561—Range local, e.g. within room or hospital
    • 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
    • A61M2205/35—Communication
    • A61M2205/3576—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver
    • A61M2205/3592—Communication with non implanted data transmission devices, e.g. using external transmitter or receiver using telemetric means, e.g. radio or optical transmission
    • 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
    • A61M2205/52—General characteristics of the apparatus with microprocessors or computers with memories providing a history of measured variating parameters of apparatus or patient

Definitions

  • the present invention relates to a leakage detection system for detecting extravasation during the administration of a drug solution to a patient, and in particular, the patient moves during administration of a drug solution, and the blood vessel is moved at the destination.
  • An object of the present invention is to provide a leak detection system that can detect a leak even if an external leak occurs.
  • the patient may go to a toilet or the like while instilling. Therefore, there is a possibility that the tip of the injection needle is detached from the blood vessel at a place other than the hospital room and extravasation occurs. If the drug solution is a nutrient, etc., extravasation may occur, and even if the drug solution is injected subcutaneously, the effect on the human body is relatively small. There is a risk that the tissue becomes hard or in some cases necrotic. Therefore, it is desirable to detect such extravasation as soon as possible.
  • Patent Document 1 includes a light emitting element that emits light toward the vicinity of a blood vessel, and a light receiving element that receives the reflected light.
  • a device used by being attached to an arm (one example) is disclosed.
  • an object of the present invention is to provide a leak detection system that can detect a leak well even when a patient moves during administration of a drug solution and an extravasation occurs at the destination.
  • the leak detection system of the present invention includes: A leak detection device for detecting extravasation when administering a liquid medicine to a patient; A monitoring terminal located in the hospital facility; Transmitting means for wirelessly transmitting extravasation information detected by the leak detection device to the monitoring terminal.
  • the transmission means for wirelessly transmitting extravasation information since the transmission means for wirelessly transmitting extravasation information is provided, the patient moves out of the hospital room while the drug solution is being administered. Even when extravasation occurs, the leak can be detected well.
  • administering a drug solution is intended to have a relatively slow infusion rate such as administration by infusion or administration using a drug solution pump (detailed later). It is intended that the patient moves out of the room during administration and extravasation may occur at the destination (outside the room, etc.).
  • system of the present invention may further have a function of storing a time from the start of the drug solution administration to the occurrence of the extravasation. In this case, since the amount of the chemical solution that has already been introduced can be estimated, it is possible to satisfactorily determine the remaining amount to be administered when the administration of the chemical solution is resumed.
  • a plurality of relays that receive information transmitted from the transmitting means and send the information to the monitoring terminal are arranged in a hospital facility, and as the patient position information, Position information of the repeater is sent to the monitoring terminal. Moreover, when the said repeater is arrange
  • the infusion pump of the present invention is an infusion pump for administering a drug solution to a patient, A receiving unit for receiving information on the extravasation transmitted from the leak detection device for detecting extravasation when administering a drug solution to a patient; A transmission unit that wirelessly transmits the extravasation information to a monitoring terminal disposed in the hospital facility.
  • the system of the “infusion pump” is not particularly limited, and may be a finger pump, a roller pump, a syringe pump, or the like.
  • the various means referred to in the present invention need only be formed so as to realize the function.
  • dedicated hardware that exhibits a predetermined function
  • a data processing apparatus provided with a predetermined function by a computer program
  • It can be realized as a predetermined function implemented in the data processing apparatus by a computer program, a combination thereof, or the like.
  • the various constituent elements referred to in the present invention do not necessarily have to be individually independent, and a plurality of constituent elements are formed as one member, and one constituent element is formed from a plurality of members. It is possible that a certain component is a part of another component, a part of a certain component overlaps a part of another component, and the like.
  • the leak detection system can detect the leak well. Can be provided.
  • FIG. 1 It is a figure which shows the leak detection system of one Embodiment of this invention. It is a figure which shows a chemical
  • FIG. 1 is a diagram showing a leakage detection system according to an embodiment of the present invention, and shows an example in which a system is constructed in a hospital facility.
  • FIG. 2 is a diagram illustrating a chemical solution bag and a leakage detection unit.
  • this leak detection system 1 is used in a hospital facility as an example, and a leak detection unit 20 (for detecting extravasation when a drug solution is administered to a patient) 2), a plurality of repeaters 30 that are arranged in several places in the hospital facility and receive radio signals, a center console 40 that is arranged in the nurse station and is connected to the repeater 30 by wire or wirelessly, It has.
  • the repeater 30 may be omitted. This will be described later.
  • a drug solution for example, an anticancer drug
  • a drug solution is administered to a patient in a hospital room 201.
  • the drug solution is accommodated in a drug solution bag 83 suspended from the upper part of the movable stand 81, and is administered to the blood vessel of the patient's arm via the tube 85. Since the stand 81 is movable, the patient can leave the hospital room 201 (see FIG. 1) and go to the toilet 204, for example, even during the administration of the drug solution.
  • the leakage detection unit 20 includes a flat circular housing 21, a substrate 22 and a coin-type battery 23 (for example, a lithium secondary battery) disposed therein.
  • a light emitting diode that irradiates light around the blood vessel of the patient and a phototransistor that detects the reflected light are disposed downward.
  • a conventionally well-known thing can be utilized for these leak detection devices. Light rays from the light emitting diodes are applied to the patient's skin through an opening in the bottom surface of the housing 21.
  • the light emitting diode may emit infrared rays.
  • the principle of detecting extravasation using infrared light is the same as that described in Patent Document 1 (WO 2006-030764) and the like, and will be briefly described below.
  • FIG. 4A the intensity of the wavelength band of the reflected light to be detected is equal, but when the chemical liquid leaks, FIG. As shown in FIG. 4, the detected reflected light is extremely lowered only at a specific wavelength.
  • the detection unit 20 determines whether extravasation has occurred based on this difference.
  • the substrate 22 is also mounted with a control circuit that performs predetermined arithmetic processing and a wireless antenna 22a that transmits to the outside that an extravasation has occurred.
  • a wireless system for example, the Zigbee (registered trademark) standard using a frequency band of 2.45 GHz can be used from the viewpoint of power consumption and the like.
  • the center console 40 is a monitoring terminal and is arranged in each of the nurse stations 108 and 208 as shown in FIG. Although illustration is omitted, the center console 40 includes a display (display means) for displaying a warning message when information on extravasation is received. Each center console 40 may be mutually connected by LAN, for example.
  • the repeater 30 is arranged on a plurality of floors of a hospital facility. In this example, they are arranged in a hospital room 201 and a toilet 204 where a medical solution is administered to a patient, and a patient room 101 and a toilet 104 on the floor below.
  • the repeater 30 may be attached near the ceiling, for example.
  • the repeater 30 has a function of receiving a radio signal from the detection unit 20 when extravasation occurs and a function of sending the information to the center console 40. Communication between the repeater 30 and the center console 40 may be wired communication or wireless communication.
  • the position information of the repeaters is stored in advance in each repeater 30.
  • the position information is also sent to the console 40.
  • the positional information is displayed on the display of the console 40 together with the fact that extravasation has occurred.
  • the information may be sent directly from the detection unit 20 to the center console 40 without the relay 30 being interposed.
  • the patient enters the hospital room 201, and the injection needle at the tip of the tube 85 is inserted into the blood vessel (an example) of the arm. Then, the detection unit 20 is arranged from above so that extravasation can be detected (see FIG. 2), and then administration of the drug solution is started.
  • the method for fixing the detection unit 20 to the patient's arm is not particularly limited, and the unit 20 may be fixed by a transparent double-sided sheet 29 as shown in FIG. The unit 20 may be fixed by using (shown).
  • the drug solution is administered subcutaneously.
  • the leak detection unit 20 emits infrared light of a predetermined wavelength band with a light emitting diode near the position where the injection needle is inserted into the blood vessel, and detects the reflected light with a phototransistor. Specifically, as in the conventional configuration, the intensity of a specific wavelength is measured among infrared rays in a predetermined wavelength band to be detected, and the average intensity of the wavelength band is also measured. The ratio of the intensity of the specific wavelength to the average intensity of the light beam in the wavelength band thus measured is calculated, and the calculated ratio is compared with a predetermined reference value.
  • the leakage detection unit transmits, as an example, a standby signal (wireless signal) indicating “no leakage”.
  • a standby signal wireless signal
  • the leakage detection unit 20 transmits a warning signal (radio signal) indicating “leak occurrence” to the outside via the antenna 22a.
  • the extravasation information transmitted from the detection unit 20 is received by the toilet relay 30 and sent to the console 40 in the nurse station 201 via the relay 30. At this time, the position information stored in advance in the repeater 30 is also sent to the console 40.
  • the console 40 Upon receiving the above information, the console 40 displays on the display that extravasation has occurred and the position information of the patient at the time of occurrence (position of the relay 30).
  • the signal from the detection unit 20 is received by the predetermined repeater 30 on the first floor as described above.
  • Information is sent to the console 40 in the nurse station 108 via the repeater 30.
  • the leakage of the drug solution to the outside of the blood vessel is minimized, and damages such as tissue hardening and necrosis are prevented. This is advantageous in that it can be prevented.
  • the repeater 30 since the repeater 30 is also arranged in the hospital room 201, it is natural that the extravasation in the hospital room 201 can be notified to the nurse in the nurse station 208. For example, when an infusion is performed during sleep, extravasation caused by the injection needle coming off the blood vessel while sleeping can also be detected.
  • the position information at the time when extravasation occurs may be recognized by the detection unit 20 itself, and the information may be transmitted to the console 40.
  • ID data for each patient is also transmitted from the detection unit 20 in order to identify the patient.
  • the console 40 is provided on each floor, and information from the detection unit 20 is received by the console 40 on the floor where the unit 20 exists (the floor where the patient is present). Even if it is not possible to specify the detailed position of the patient, it is possible to specify at least what floor the patient is on.
  • the detection unit 20 may be provided with alarm means such as an LED or a speaker, and the alarm means may be driven when the unit 20 detects extravasation.
  • alarm means such as an LED or a speaker
  • the present system 1 may further have a function of storing the time from the start of drug administration to the occurrence of extravasation. According to such a configuration, when the administration of the drug solution is resumed, it is possible to satisfactorily determine how much of the remaining amount should be administered.
  • the detection unit 20 itself has a function of measuring the time, and the occurrence of extravasation from the start of drug administration The time until the time is measured and the information may be transmitted to the console 40.
  • the console 40 may be able to measure the time from the start of drug solution administration to the occurrence of extravasation. This time information may be stored in the unit 20 or the console 40 as required.
  • FIG. 5 is a diagram illustrating a part of the leakage detection system according to the second embodiment. As shown in FIG. 5, this invention is applicable also when administering a chemical
  • This chemical pump 90 is a finger pump (one example) that is used by being attached to a stand 81, and includes a display 93 that displays predetermined information such as a flow rate, a finger portion that pressurizes a tube, a built-in battery, etc., not shown. Have. Moreover, a bubble sensor, a pressure sensor, a drop sensor, etc. may be incorporated.
  • the chemical pump 90 includes a calculation unit 91 that performs various calculations, a reception unit 95 that is connected to the leak detection unit 20 by wire or wirelessly and receives information on extravasation from the unit 20, It has the transmission part 93 which transmits the information of extravascular leakage to the exterior by radio
  • the information on extravasation from the detection unit 20 is received by the receiving unit 95, and the information is transmitted to the console 40 (see FIG. 1) via the transmitting unit 93.
  • the calculation unit 91 may be configured to send a drive stop signal to the drive unit 97.
  • the infusion pump 90 may have a function of transmitting the position information of the patient in the hospital facility at the time when the extravasation occurs together with the extravasation information as in the first embodiment. .
  • FIG. 5 shows a configuration in which the infusion pump 90 and the leak detection unit 20 are connected to each other by a cord 28.
  • the built-in battery of the infusion pump 90 can also be used as a power source for the detection unit 20. Further, when extravasation occurs, that fact may be displayed on the display 93 of the infusion pump 90.
  • FIG. 7 is a diagram showing a charging device 120 for the built-in battery 23 of the leakage detection unit 20 shown in FIG.
  • the charging device 120 is a non-contact type charger that charges a battery in the detection unit 20 using electromagnetic induction.
  • the charging device 120 includes a substantially plate-shaped holding unit 122 in which a plurality of detection units 20 can be arranged.
  • a power transmission coil (not shown) is built in the holding unit 122, and a power reception coil 27 (see FIG. 3) is built in one detection unit 20.
  • non-contact type charging device it is not necessary to provide a metal contact for charging in the leakage detection unit 20, and therefore, it is particularly suitable for the unit 20 of the present embodiment that detects leakage of a chemical solution.
  • the plate-shaped holding part 122 of the charging device 120 may be provided with a recess into which each unit 20 is fitted, or may be provided with an indicator such as an LED that indicates completion of charging.
  • the leak detection unit 20 may transmit a warning signal only when extravasation occurs, or indicates “no leak” even if no extravasation occurs as in the above embodiment. It may be configured to transmit a standby signal.
  • the leakage detection unit 20 and the plurality of repeaters 30 can be connected using wireless communication.
  • the positional relationship with several units may be calculated, and the patient position information may be acquired by performing surveying based on the calculated positional relationship.
  • FIG. 8 is a diagram schematically showing a circuit configuration of a leakage detection unit according to still another embodiment of the present invention.
  • the leak detection unit 20 ′ includes a control unit 26 that performs various calculations, and a leak detection device 26a connected thereto (similar to the first embodiment, a light emitting diode or the like). And a temperature sensor 26b connected to the control unit 26. An optical sensor may be used instead of this temperature sensor.
  • the temperature sensor 26b is disposed on the lower surface side of the unit 20 ′ (see FIG. 3), and measures the temperature of the patient's body surface when the unit 20 ′ is normally attached to the patient's body. When the unit 20 'is removed from the patient's body for some reason (separated), the temperature sensor 26b measures the temperature of the outside air (one example) instead of the body surface. By using this detection result by the temperature sensor 26b, it is possible to detect whether or not the unit 20 'is normally attached to the patient's body.
  • the following determination can be performed by using the leakage detection unit 20 ′ having the above configuration.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (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)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

L'invention porte sur un système de détection de fuite qui peut détecter efficacement une fuite même lorsqu'un patient s'est déplacé durant l'administration d'un liquide chimique et que le déplacement a provoqué une fuite du liquide chimique en dehors d'un vaisseau sanguin. Le système de détection de fuite (1) comprend : un dispositif de détection de fuite (20) qui détecte une fuite en dehors du vaisseau sanguin durant l'administration d'un liquide chimique à un patient ; et un moyen de transmission qui transmet par radio à un terminal moniteur les informations concernant la fuite en dehors du vaisseau sanguin détectée par le dispositif de détection de fuite (20).
PCT/JP2009/069564 2008-11-19 2009-11-18 Système de détection de fuite WO2010058796A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010539240A JP5897798B2 (ja) 2008-11-19 2009-11-18 漏出検出システム

Applications Claiming Priority (2)

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JP2008-295730 2008-11-19
JP2008295730 2008-11-19

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WO2010058796A1 true WO2010058796A1 (fr) 2010-05-27

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WO2012020507A1 (fr) * 2010-08-13 2012-02-16 日本協能電子株式会社 Système de détection de fuite de liquide
WO2012111157A1 (fr) * 2011-02-18 2012-08-23 日本協能電子株式会社 Dispositif de détection d'un liquide
JPWO2012133845A1 (ja) * 2011-03-31 2014-07-28 株式会社根本杏林堂 漏出検出センサおよび薬液注入システム
JP2018522634A (ja) * 2015-06-19 2018-08-16 エフ ホフマン−ラ ロッシュ アクチェン ゲゼルシャフト 医療システムを制御するための制御装置および制御方法、ポータブルデバイス、設備ならびにコンピュータプログラム製品
JP2020523138A (ja) * 2017-06-16 2020-08-06 ケアフュージョン ３０３、インコーポレイテッド オピオイド管理システム
US11823792B2 (en) 2018-05-04 2023-11-21 Carefusion 303, Inc. Peer community based anomalous behavior detection
US11984212B2 (en) 2019-01-10 2024-05-14 Carefusion 303, Inc. System for monitoring dose pattern and patient response

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JP2019130243A (ja) * 2018-02-02 2019-08-08 王子ホールディングス株式会社 情報処理システム、報知システム、情報処理方法、報知方法及び吸収性物品
BR112022014156A2 (pt) 2020-02-21 2022-09-13 Bayer Healthcare Llc Conectores de percurso de fluido para distribuição de fluido médico
AU2021264011A1 (en) 2020-04-30 2022-11-10 Bayer Healthcare Llc System, device, and method for safeguarding wellbeing of patients for fluid injection
EP4168064A1 (fr) 2020-06-18 2023-04-26 Bayer HealthCare, LLC Appareil de suspension de bulles d'air en ligne pour des trajets de fluide d'injecteur angiographique

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Cited By (15)

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JP5734296B2 (ja) * 2010-08-13 2015-06-17 日本協能電子株式会社 液体漏れ感知システム
CN103429283A (zh) * 2010-08-13 2013-12-04 日本协能电子股份有限公司 漏液传感系统
WO2012020507A1 (fr) * 2010-08-13 2012-02-16 日本協能電子株式会社 Système de détection de fuite de liquide
US8946501B2 (en) 2010-08-13 2015-02-03 Aqua Power System, Japan Liquid leakage detection system
WO2012111157A1 (fr) * 2011-02-18 2012-08-23 日本協能電子株式会社 Dispositif de détection d'un liquide
JP5968872B2 (ja) * 2011-03-31 2016-08-10 株式会社根本杏林堂 漏出検出センサおよび薬液注入システム
JPWO2012133845A1 (ja) * 2011-03-31 2014-07-28 株式会社根本杏林堂 漏出検出センサおよび薬液注入システム
JP2016190069A (ja) * 2011-03-31 2016-11-10 株式会社根本杏林堂 漏出検出センサおよび薬液注入システム
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JP2018522634A (ja) * 2015-06-19 2018-08-16 エフ ホフマン−ラ ロッシュ アクチェン ゲゼルシャフト 医療システムを制御するための制御装置および制御方法、ポータブルデバイス、設備ならびにコンピュータプログラム製品
JP2021100627A (ja) * 2015-06-19 2021-07-08 エフ ホフマン−ラ ロッシュ アクチェン ゲゼルシャフト 医療システムを制御するための制御装置および制御方法、ポータブルデバイス、設備ならびにコンピュータプログラム製品
JP2020523138A (ja) * 2017-06-16 2020-08-06 ケアフュージョン ３０３、インコーポレイテッド オピオイド管理システム
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