WO2021079862A1 - 自動体外式除細動器 - Google Patents

自動体外式除細動器 Download PDF

Info

Publication number
WO2021079862A1
WO2021079862A1 PCT/JP2020/039339 JP2020039339W WO2021079862A1 WO 2021079862 A1 WO2021079862 A1 WO 2021079862A1 JP 2020039339 W JP2020039339 W JP 2020039339W WO 2021079862 A1 WO2021079862 A1 WO 2021079862A1
Authority
WO
WIPO (PCT)
Prior art keywords
patient
high voltage
unit
external defibrillator
voltage energy
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2020/039339
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
敏雄 千葉
福留　正男
紘正 山下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medical Innovation Consortium ISH
Original Assignee
Medical Innovation Consortium ISH
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 Medical Innovation Consortium ISH filed Critical Medical Innovation Consortium ISH
Priority to JP2021553447A priority Critical patent/JP7280641B2/ja
Publication of WO2021079862A1 publication Critical patent/WO2021079862A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/33—Heart-related electrical modalities, e.g. electrocardiography [ECG] specially adapted for cooperation with other devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
    • A61N1/39—Heart defibrillators

Definitions

  • the present invention relates to a compact and lightweight automatic external defibrillator.
  • an automated external defibrillator determines the state of the heart from an electrode attached to the patient's chest, and when an arrhythmia called ventricular fibrillation occurs, It is widely used as a medical device that restores the normal state of the heart by applying a high voltage to the heart and giving a shock.
  • a patient electrode that obtains a patient's electrocardiogram and shocks the patient
  • a circuit means that analyzes the patient's electrocardiogram using a diagnostic algorithm that detects whether or not the patient's heart is in a defibrillator rhythm.
  • An external defibrillator that includes an external defibrillator that is enabled when a defibrillator rhythm is detected by the diagnostic algorithm, wherein the patient electrode obtains a signal that is a measure of the patient's thoracic impedance.
  • the circuit means also detects an interfering state that is likely to cause the defibrillator rhythm to be falsely detected in the diagnostic algorithm, and if so, at least.
  • There are external defibrillators that block the detection of defibrillator-defibrillator rhythms by the diagnostic algorithm for a period of time see, eg, Patent Document 1 and the like).
  • Patent Document 1 a high-voltage capacitor is built in in order to give a high-voltage pulse to the heart of the patient, and the size and weight of the high-voltage capacitor are large, so that the automatic external defibrillator is used.
  • the defibrillator itself has not been made smaller and lighter.
  • the present invention has been made in view of such a problem, and an object of the present invention is to provide an automatic external defibrillator which is compact, lightweight, and has excellent portability.
  • the extracorporeal automatic defibrillator includes a power supply unit, a high voltage generator that generates higher voltage energy than the voltage supplied from the power supply unit, and the high voltage generator.
  • a foldable sheet capacitor that stores high-voltage energy from the voltage generator, a pair of electrode pads that supply the high-voltage energy to the patient, and a control that controls the supply of the high-voltage energy to the patient. It has a department and.
  • an electrocardiogram signal acquisition unit that acquires an electrocardiogram signal of the patient from the electrode pad is further provided, and the control unit performs electrocardiogram analysis based on the electrocardiogram signal and determines that the patient has an arrhythmia. If so, the supply of the high voltage energy to the patient may be instructed.
  • a state detection unit that measures the impedance between the electrode pad and the body surface of the patient and detects the state of attachment of the electrode pad to the patient based on the impedance is further provided, and the control unit includes the control unit.
  • the control unit includes the control unit.
  • the pair of electrode pads may be arranged on the sheet capacitor so that one is located near the patient's right chest and the other is located near the patient's left flank.
  • the sheet capacitor may be A4 to A3 size.
  • a communication unit that communicates with an external server device via a network is further provided, and the communication unit notifies the external server device that the treatment is executed together with the identification ID when the treatment is performed on the patient.
  • the notification may be given and the external server device may be prompted to grasp the details of the treatment in real time at the execution timing of the treatment.
  • an automatic external defibrillator that is compact, lightweight, and has excellent portability.
  • FIG. 1 (a) is a diagram showing a configuration of an automatic external defibrillator according to the first embodiment of the present invention
  • FIG. 1 (b) is a diagram showing a state in which a sheet capacitor of the device is folded.
  • It is a functional block diagram of the automatic external defibrillator.
  • It is a figure which shows the state of use of the automatic external defibrillator.
  • It is a flowchart explaining the operation by the automatic external defibrillator.
  • FIG. 6 (a) is a diagram showing a configuration of an automatic external defibrillator according to a second embodiment of the present invention
  • FIG. 6 (b) is a diagram showing a state in which a sheet capacitor of the device is folded. It is a block diagram of the improved example of 1st and 2nd Embodiment. It is a block diagram of the automatic external defibrillator which concerns on 3rd Embodiment of this invention. It is a block diagram of the automatic external defibrillator which concerns on 3rd Embodiment of this invention.
  • FIG. 1 (a) shows the configuration of the automatic external defibrillator according to the first embodiment of the present invention
  • FIG. 1 (b) shows a state in which the sheet capacitor of the automatic external defibrillator is folded. Show and explain.
  • the automatic external defibrillator has a configuration in which the main body 1 and the seat capacitor 2 are connected to the respective connector portions 4 and 6 by wiring (cable) 5.
  • the main body 1 is provided with a display unit 11 that presents an operation state and the like, and an operation input unit 12 such as an operation button that instructs the start of operation.
  • the sheet capacitor 2 can be folded by the so-called Miura fold, which is a developable surface called a double wave type developable surface in the middle of the transition (folding / unfolding) between the completely folded state and the flat surface.
  • the state of the sheet capacitor 2 at the time of unfolding is as shown in FIG. 1 (a), and the state of folding is as shown in FIG. 1 (b).
  • the characteristic of Miura folds is that by making zigzag creases at extremely gentle angles, the expansion and folding in the vertical and horizontal directions change in parallel and at an extremely non-linear ratio. Therefore, it can be quickly and easily deployed and stored by simply pushing or pulling the diagonal portion of the sheet capacitor 2.
  • the sheet capacitor 2 is provided with electrode pads 3A and 3B at two locations, and is configured to apply a higher voltage than the sheet capacitor 2 at a predetermined timing.
  • the sheet capacitor 2 is designed to be A4 to A3 size, but is not limited thereto.
  • the electrode pads 3A and 3B are designed to fit in the area of one unit of the folding when the sheet capacitor 2 is folded.
  • FIG. 2 shows and explains a functional block diagram of an automatic external defibrillator.
  • the main body 1 includes a control unit 14 that controls the entire control, and the control unit 14 includes a display unit 11, an operation input unit 12, a storage unit 13, a communication unit 15, and a high voltage generation.
  • a unit 16 an electrocardiogram signal acquisition unit 17, a state detection unit 18, a voice output unit 20, and the like are connected.
  • the high voltage generation unit 16 is connected to the sheet capacitor 2, the sheet capacitor 2 is connected to a pair of electrode pads 3A and 3B, and these pair of electrode pads 3A and 3B are connected to the electrocardiogram signal acquisition unit 17 and the state. It is connected to the detection unit 18.
  • Each unit is configured to be supplied with power from a power supply unit 19 including a battery or the like.
  • the power supply unit 19 performs voltage conversion and supplies power to each unit.
  • the control unit 14 is composed of a CPU (Central Processing Unit) and the like, and controls the entire automatic external defibrillator.
  • the control unit 14 also includes a gate array, an A / D converter, and the like. Under such a configuration, the control unit 14 controls various operation controls such as charge / discharge control and electrocardiogram analysis.
  • the communication unit 15 is a communication interface that realizes wireless or wired communication between an external device such as a server device and a communication network such as the Internet.
  • the display unit 11 is a display device composed of a liquid crystal display or the like and presenting an operating state, an operating state, and the like.
  • the operation input unit 12 is an interface composed of operation buttons and the like for operating the automatic external defibrillator.
  • the storage unit 13 is a storage device composed of a program related to the operation of the automatic external defibrillator, a RAM (RandomAccessMemory), a ROM (ReadOnlyMemory), etc. that temporarily stores an electrocardiogram signal and the like. is there.
  • the high voltage generation unit 16 executes high voltage charging and discharging related to an electric shock applied from the electrode pads 3A and 3B based on the control signal from the control unit 14, and the energy is stored in the sheet capacitor 2.
  • the electrocardiogram signal acquisition unit 17 executes filtering, amplification processing, and the like on the electrocardiogram signals from the electrode pads 3A and 3B, and acquires the electrocardiogram signal. This electrocardiogram signal is sent to the control unit 14, and electrocardiogram analysis and the like are executed.
  • the state detection unit 18 measures, for example, the impedance between the electrode pads 3A and 3B and the body surface of the patient, and detects the wearing state of the electrode pads 3A and 3B to the patient based on the impedance. Notify the control unit 14.
  • the voice output unit 20 gives a voice guide, a voice warning, and the like based on the control of the control unit 14.
  • FIG. 3 shows and describes the use of an automatic external defibrillator.
  • the Miura-folded sheet capacitor 2 is expanded, the connector 6 of the sheet capacitor 2 and the connector 4 of the main body 1 are connected by wiring 5, and the unfolded sheet is used.
  • the electrode pads 3A and 3B arranged on the capacitor 2 are aligned so as to be arranged near the right chest and the left flank of the patient, respectively.
  • the control unit 14 detects whether or not an arrhythmia has occurred by electrocardiogram analysis, and based on the signal from the state detection unit 18, the electrode pad Detects whether or not 3A and 3B are attached to the patient.
  • control unit 14 detects that an arrhythmia has occurred and detects that the electrode pads 3A and 3B are firmly attached to the patient, they are accumulated in the sheet capacitor 2. High voltage energy is applied to the patient via the electrode pads 3A and 3B to give the patient an electric shock.
  • the control unit 14 determines whether or not the electrode pads 3A and 3B are attached to the patient based on the signal from the state detection unit 18. Detect (S2). Then, when it is determined that the patient is not worn (S3 is branched to No), a display suggesting confirmation of the wearing state is displayed on the display unit 11, and the process returns to step S1 (S4). On the other hand, when it is determined that the patient is attached (S3 is branched to Yes), the control unit 14 performs electrocardiogram analysis based on the electrocardiogram signal from the electrocardiogram signal acquisition unit 17 (S5).
  • the control unit 14 determines that the patient has an arrhythmia as a result of the analysis (S6 is branched to Yes)
  • the high voltage energy stored in the sheet capacitor 2 is used as the electrode pads 3A and 3B. It is given to the patient via an electric shock (S7).
  • the display unit 11 is informed that the application of the electric shock is stopped (S8). ). In this way, a series of processes for applying an electric shock by the automatic external defibrillator is completed.
  • a voice guide or the like may be output from the voice output unit 20 to suggest the wearing state, the possibility of arrhythmia, and the like.
  • the main body 1 of the automatic external defibrillator since the main body 1 of the automatic external defibrillator according to the present embodiment includes a communication unit 15, it can freely communicate with an external server device 100 via a network 101 such as the Internet. Therefore, when the automatic external defibrillator is used as an equipment, when a treatment such as an electric shock is performed on the patient, if the server device 100 is notified together with the identification ID of the main body 1, the treatment is performed. It is possible to grasp in real time on the server device 100 side which device and at what date and time the treatment was executed at the execution timing of the server device 100, and the emergency center is automatically treated by the processing on the server device 100 side. It is also possible to report the location (managed in association with the device identification ID) and the date and time when the operation was performed.
  • the automatic external defibrillator has a configuration in which the main body 1 and the seat capacitor 2 are connected to the respective connector portions 4 and 6 by wiring 5.
  • the automatic external defibrillator according to the second embodiment is different in that the main body 51 is mounted on the surface of the sheet capacitor 52 as shown in FIG.
  • the sheet capacitor 52 is formed by so-called Miura fold, which is a developable surface called a double wave type developable surface in the middle of transition (folding / unfolding) between a completely folded state and a flat surface. It is foldable, and electrode pads 53A and 53B are arranged at two locations.
  • the detailed configuration of the main body 51 is substantially the same as that of FIG. 2, but it should be noted that they are realized by integrated circuits and are compact and lightweight.
  • the main body 1 is designed so that one unit of the main body 1 and the seat capacitor 2 fits within the area of one unit of folding of the seat capacitor 2.
  • the electrode pad is integrated with the sheet capacitor, but it is needless to say that the electrode pad may be connected to the sheet capacitor via wiring. Is. That is, as shown in FIG. 7, the electrode pads 3A and 3B of the automatic external defibrillator may be connected to the sheet capacitor 2 via the wiring 7.
  • the basic operation is the same as that of the first embodiment, but according to the present embodiment, the mounting positions of the electrode pads 3A and 3B on the patient can be flexibly changed.
  • AED automatic external defibrillator
  • the safety circuit 30 is interposed between the sheet capacitor 2 and the electrode pads 3A and 3B.
  • the safety circuit 30 plays a role of protecting the patient and the AED from high voltage and high current.
  • the safety circuit 30 performs internal discharge.
  • the safety circuit 30 also has a sensing switching function for each part and an automatic check function such as a test discharge. Therefore, according to the third embodiment, it is possible to carry out the treatment more safely.
  • the sheet capacitor 2 has various methods such as the above-mentioned Miura fold, a folding method like a folding umbrella, a two-sided folding like a pamphlet, and a three-sided folding. Of course, it can be folded in and downsized when not in use. Of course, the sheet capacitor itself may be formed into a shirt shape so that the patient can be dressed at the time of treatment.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Cardiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Electrotherapy Devices (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
PCT/JP2020/039339 2019-10-24 2020-10-20 自動体外式除細動器 Ceased WO2021079862A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021553447A JP7280641B2 (ja) 2019-10-24 2020-10-20 自動体外式除細動器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019193470 2019-10-24
JP2019-193470 2019-10-24

Publications (1)

Publication Number Publication Date
WO2021079862A1 true WO2021079862A1 (ja) 2021-04-29

Family

ID=75620521

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/039339 Ceased WO2021079862A1 (ja) 2019-10-24 2020-10-20 自動体外式除細動器

Country Status (2)

Country Link
JP (1) JP7280641B2 (https=)
WO (1) WO2021079862A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230005900A1 (en) * 2021-06-30 2023-01-05 Ireach Corporation Chip package structure and application thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5085865A (https=) * 1973-11-29 1975-07-10
JP2002514107A (ja) * 1997-03-07 2002-05-14 カーディアック・サイエンス・インコーポレイテッド 着用可能な細動除去システム
JP2007525050A (ja) * 2003-02-28 2007-08-30 メドトロニック イマージェンシー レスポンス システムズ，インコーポレイティド 除細動装置による緊急呼び出しのための登録情報
JP2010500144A (ja) * 2006-08-16 2010-01-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 多重不整脈条件の解析のための体外式除細動器
JP2013543781A (ja) * 2010-11-29 2013-12-09 ハートサイン テクノロジーズ リミテッド 体外式除細動器
JP2014111158A (ja) * 2007-06-06 2014-06-19 Zoll Medical Corp 音声入力／出力を備えた装着可能な除細動器
JP2019519275A (ja) * 2016-05-03 2019-07-11 カーディアック ペースメイカーズ， インコーポレイテッド ショック治療遅延の認証

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1251908B1 (en) 2000-02-04 2017-04-05 Zoll Medical Corporation Integrated resuscitation
US6782293B2 (en) 2001-09-14 2004-08-24 Zoll Medical Corporation Defibrillation electrode assembly including CPR pad

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5085865A (https=) * 1973-11-29 1975-07-10
JP2002514107A (ja) * 1997-03-07 2002-05-14 カーディアック・サイエンス・インコーポレイテッド 着用可能な細動除去システム
JP2007525050A (ja) * 2003-02-28 2007-08-30 メドトロニック イマージェンシー レスポンス システムズ，インコーポレイティド 除細動装置による緊急呼び出しのための登録情報
JP2010500144A (ja) * 2006-08-16 2010-01-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 多重不整脈条件の解析のための体外式除細動器
JP2014111158A (ja) * 2007-06-06 2014-06-19 Zoll Medical Corp 音声入力／出力を備えた装着可能な除細動器
JP2013543781A (ja) * 2010-11-29 2013-12-09 ハートサイン テクノロジーズ リミテッド 体外式除細動器
JP2019519275A (ja) * 2016-05-03 2019-07-11 カーディアック ペースメイカーズ， インコーポレイテッド ショック治療遅延の認証

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230005900A1 (en) * 2021-06-30 2023-01-05 Ireach Corporation Chip package structure and application thereof

Also Published As

Publication number Publication date
JPWO2021079862A1 (https=) 2021-04-29
JP7280641B2 (ja) 2023-05-24

Similar Documents

Publication Publication Date Title
JP5156024B2 (ja) 心肺蘇生用圧迫力インジケータ
JP6080021B2 (ja) Ｃｐｒ深さ情報を含む除細動器ディスプレイ
CN105188841B (zh) 使用肢体导联以用于无伪影ecg 的除颤器和方法
JP2016073691A (ja) 除細動器のディスプレイ
JP2013519446A (ja) 除細動器の充電
EP4240478B1 (en) Pocket-sized automated external defibrillator
US11406839B2 (en) Systems and methods for double sequential defibrillation
WO2015063650A1 (en) Motion actuated aed communicator
JP2016536064A5 (https=)
US20230293898A1 (en) System for multiple defibrillation therapies
WO2011163339A1 (en) Pulse parameters and electrode configurations for reducing patient discomfort from defibrillation
JP2013505762A (ja) 不全収縮の誤表示の影響を受けにくい、事前接続された電極パッドを有する除細動器
US20250235707A1 (en) Personal Wearable Medical Emergency Device
CN213941876U (zh) 一种用于心脏骤停的急救装置
EP1404410B1 (en) Defibrillator system
WO2021079862A1 (ja) 自動体外式除細動器
CN114849065A (zh) 一种穿戴式心脏除颤器
US11911627B1 (en) Method of using a medical device
KR102455020B1 (ko) 심폐소생술장치 및 자동심장충격기 융합 시스템 및 이의 제어방법
KR102459284B1 (ko) 심폐소생술장치와 자동심장충격기가 융합된 의료 시스템 및 이의 제어방법
KR101997369B1 (ko) 2중 전기충격을 위한 자동심장충격기
CN114681797A (zh) 一种控制放电除颤的方法与设备
KR102455019B1 (ko) 심폐소생술장치 및 자동심장충격기 융합 시스템과 이의 제어방법
KR102216372B1 (ko) 방전 제어 기능이 구비된 심장충격기
KR20180108332A (ko) 충전전압의 조절이 가능한 방전회로를 포함하는 제세동기 및 이의 구동방법

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20878633

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2021553447

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 29.07.2022)

122 Ep: pct application non-entry in european phase

Ref document number: 20878633

Country of ref document: EP

Kind code of ref document: A1