WO2017181745A1 - 具有充气功能的电极片控制系统 - Google Patents

具有充气功能的电极片控制系统 Download PDF

Info

Publication number
WO2017181745A1
WO2017181745A1 PCT/CN2017/070559 CN2017070559W WO2017181745A1 WO 2017181745 A1 WO2017181745 A1 WO 2017181745A1 CN 2017070559 W CN2017070559 W CN 2017070559W WO 2017181745 A1 WO2017181745 A1 WO 2017181745A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode sheet
control system
inflation
inflator
bladder
Prior art date
Application number
PCT/CN2017/070559
Other languages
English (en)
French (fr)
Inventor
张贯京
Original Assignee
深圳市前海康启源科技有限公司
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 深圳市前海康启源科技有限公司 filed Critical 深圳市前海康启源科技有限公司
Publication of WO2017181745A1 publication Critical patent/WO2017181745A1/zh

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/24Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof

Definitions

  • the present invention relates to the field of medical devices, and in particular to an electrode sheet control system having an inflation function.
  • electrocardiogram is a common method for clinical diagnosis of heart disease, and electrocardiogram plays an important role in the diagnosis of cardiovascular disease.
  • An electrocardiograph is a medical instrument that can automatically record bioelectrical signals (electrocardiogram signals) generated by cardiac activity and myocardial activation to form an electrocardiogram. It is a medical electronic instrument commonly used for clinical diagnosis and scientific research. Electrodes are included in the electrocardiograph. In the production of an electrocardiogram, it is necessary to sandwich the electrode sheet on a person's limb (such as a wrist or an ankle), and make the electrode sheet form a good contact with the skin surface of the human body, so that the electrode sheet induces a weak current from the skin surface of the human body. And the weak current is sent to the electrocardiograph for amplification, thereby forming the human body's ECG signal, according to which the cardiovascular disease can be analyzed and diagnosed.
  • the existing electrode sheets are clip-type, and due to differences in body quality, for example, fat sputum is different, such electrode sheets are even difficult to fix on some of the more sturdy patients, resulting in difficulty in detecting real data.
  • the main object of the present invention is to provide an electrode sheet control system having an inflation function, which aims to solve the product problem that the electrode sheet in the existing electrocardiograph cannot be in good contact with the skin and affect the monitoring of the ECG signal.
  • the present invention provides an electrode sheet control system having an inflation function
  • the electrode sheet control system having an inflation function includes a control device, an inflator, and an inflatable bladder
  • the charging An electrode pad is disposed on a surface of the air bag
  • the inflator is connected to the air bag, and the electrode pad and the inflator are electrically connected to the control device
  • the control device is configured to control the inflator to generate gas and Inflating the inflatable bladder
  • the control device is configured to control the electrode sheet to monitor the user's ECG signal.
  • the inflator includes an inflation tube
  • the inflatable capsule includes an inflation port
  • the inflation tube is connected to the inflation port
  • the inflatable bladder is a ring structure.
  • the inflatable bladder is a strip structure.
  • the two ends of the air bag of the strip structure are respectively provided with a first buckle and a second buckle.
  • the electrode sheet control system with inflation function further comprises a fixing frame of an annular structure, and the airbag is disposed in the fixing frame of the ring structure.
  • the electrode sheet comprises an insulating member, a conductive member and a conductive paste, wherein the conductive member is disposed between the insulating member and the conductive paste.
  • the insulating member is connected to a surface of the inflatable bladder.
  • the conductive member is a silver patch or a silver chloride patch.
  • the conductive colloid is an ultraviolet curing medical conductive voltage sensitive adhesive.
  • the electrode sheet control system with the inflation function of the present invention adopts the above technical solution, and achieves the following technical effects:
  • the utility model sets the electrode sheet on the surface of the inflatable capsule of the inflatable structure. When the inflatable bladder is inflated, it can well contact with the human skin surface, which improves the accuracy of monitoring the ECG signal.
  • FIG. 1 is a schematic structural view of a preferred embodiment of an electrode sheet control system having an inflation function according to the present invention
  • FIG. 2 is a schematic structural view of a preferred embodiment of an inflatable bladder in an electrode sheet control system having an inflation function according to the present invention
  • FIG. 3 is a schematic structural view of a preferred embodiment of an electrode sheet in an electrode sheet control system having an aeration function according to the present invention.
  • FIG. 1 is a schematic structural view of a preferred embodiment of an electrode sheet control system having an aeration function according to the present invention.
  • the electrode sheet control system having an inflation function includes, but is not limited to, the control device 1, the inflator 2, and the inflatable bladder 3.
  • the control device 1 the inflator 2
  • the inflatable bladder 3 the inflatable bladder 3.
  • a plurality of electrode sheets 30 are provided on the surface of the gas bladder 3.
  • the electrode sheet 30 and the inflator 2 are electrically connected to the control device 1.
  • the control device 1 is connected to the electrode sheet 30 by a wire disposed in the inflatable bladder 3 for controlling the opening/closing of the electrode sheet 30, and the control device 1 is for controlling the electrode
  • the slice 30 monitors the user's ECG signal.
  • the electrode sheet 30 is in contact with the skin to induce a weak current from the surface of the skin, and the weak current is supplied to the control device 1 for amplification to form an electrocardiographic signal of the human body.
  • the control device 1 is an electrocardiograph host.
  • the electrode sheet 30 is an electrocardiographic electrode sheet.
  • the control device 1 monitors the user's ECG signal through the electrode pad 30 as a prior art, and is not described herein.
  • the electrode sheet 30 includes an insulating member 300, a conductive member 310, and a conductive paste 320.
  • the conductive member 310 is disposed between the insulating member 300 and the conductive paste 320. .
  • the insulating member 300 is connected to the surface of the inflatable bladder 3 (for example, the insulating member is attached to the surface of the inflatable bladder 3).
  • the conductive member 310 is a metal patch (for example, a silver patch or a silver chloride patch).
  • the conductive colloid 320 is an ultraviolet light curing medical conductive voltage sensitive adhesive.
  • the conductive paste 320 in the electrode sheet 30 is in contact with the user's body.
  • the control device 1 is electrically connected to the conductive member 310 in the electrode sheet 30.
  • the inflator 2 is coupled to the inflatable bladder 3 for inflating the inflatable bladder 3.
  • the inflator 2 includes an inflation tube 20.
  • the inflatable bladder 3 includes an inflation port 36.
  • the inflation tube 20 is connected to the inflation port 36, and the inflator 2 is for generating a gas and filling the inflation bladder 3 such that the inflatable bladder 3 is bulged.
  • the inflatable bladder 3 is used to be placed on a part of the user's body (for example, a wrist, a leg, a chest portion, etc.), and when the inflatable bladder 3 is swelled, the electrode sheet on the surface of the inflatable bladder 3 Close to the user's body.
  • the airbag 3 may be a strip-shaped structure, and the two ends of the airbag 3 of the strip structure are respectively provided with a first buckle 32 and a second buckle 34, After the one buckle 32 and the second buckle 34 are connected, the inflatable capsule 3 of the annular structure can be formed.
  • the inflatable bladder 3 may also be of a toroidal configuration.
  • the electrode sheet control system having an inflation function further includes a ring structure fixing frame (not shown in FIG. 1 ), and the air bag 3 is disposed in the fixed frame of the ring structure. The inflatable bladder 3 is inflated, and the inflatable bladder 3 is inwardly swollen.
  • the fixed frame of the annular structure may be, but is not limited to, a steel frame of a ring structure.
  • the working principle of the electrode sheet control system with inflation function is as follows: The inflatable bladder 3 is sleeved on a part of the user's body, and the control device 1 inflates the inflatable bladder 3 by controlling the inflatable device 2, so that the The inflatable bladder 3 is swelled, and the electrode sheet 30 on the surface of the bulged inflatable bladder 3 is in close contact with the body part of the user, and the control device 1 controls the electrode sheet 30 to monitor the user's electrocardiographic signal.
  • the electrode sheet control system with the inflation function of the present invention adopts the above
  • the technical solution achieves the following technical effects:
  • the utility model has the electrode sheet disposed on the surface of the inflatable bladder of the inflatable structure, and when the inflatable bladder is inflated, it can well contact with the surface of the human skin, thereby improving the monitoring of the ECG signal. Accuracy.

Abstract

一种具有充气功能的电极片(30)控制系统,所述的具有充气功能的电极片(30)控制系统包括控制设备(1)、充气装置(2)及充气囊(3),其中:所述充气囊(3)的表面设置电极片(30),所述充气装置(2)与所述充气囊(3)连接,所述电极片(30)及充气装置(2)均与所述控制设备(1)电连接;所述控制设备(1)用于控制所述充气装置(2)产生气体并对所述充气囊(3)充气;所述控制设备(1)用于控制所述电极片(30)监测用户的心电信号。本技术方案将电极片(30)设置于可充气结构的充气囊(3)表面,当充气囊(3)充气鼓起时,能够很好地与人体皮肤表面接触,提高了监测心电信号的准确率。

Description

说明书 发明名称:具有充气功能的电极片控制系统 技术领域
[0001] 本实用新型涉及医疗器械领域, 尤其涉及一种具有充气功能的电极片控制系统 背景技术
[0002] 目前, 心电图是临床诊断心脏疾病的常用手段, 心电图对心血管疾病的诊断有 重要的作用。 心电图仪是能将心脏活动吋心肌激动产生的生物电信号 (心电信号) 自动记录下来形成心电图的医用仪器, 为临床诊断和科研常用的医疗电子仪器 。 心电图仪中包括电极片。 在制作心电图吋, 需要将电极片夹在人的肢体 (如腕 、 踝)上, 并使电极片与人体的皮肤表面形成良好的接触, 这样, 电极片便从人 体的皮肤表面诱导出微弱电流, 并将微弱电流输送给心电图仪进行放大, 从而 形成人体的心电信号, 根据这些心电信号就可以分析诊断人的心血管疾病。
[0003] 然而, 现有的电极片是采用夹子式的, 由于人体质的差异, 比如, 胖痩不同, 这种电极片甚至很难在一些较痩患者身体上进行固定, 导致很难检测到真实的 数据。
技术问题
[0004] 本实用新型的主要目的在于提供一种具有充气功能的电极片控制系统, 旨在解 决现有的心电图仪中的电极片与皮肤无法进行良好接触从而影响心电信号监测 的产品问题。
问题的解决方案
技术解决方案
[0005] 为实现上述目的, 本实用新型提供了一种具有充气功能的电极片控制系统, 所 述的具有充气功能的电极片控制系统包括控制设备、 充气装置及充气囊, 其中 : 所述充气囊的表面设置电极片, 所述充气装置与所述充气囊连接, 所述电极 片及充气装置均与所述控制设备电连接; 所述控制设备用于控制所述充气装置 产生气体并对所述充气囊充气; 所述控制设备用于控制所述电极片监测用户的 心电信号。
[0006] 优选的, 所述充气装置包括充气管, 所述充气囊包括充气口, 所述充气管与所 述充气口连接。
[0007] 优选的, 所述充气囊为环形结构。
[0008] 优选的, 所述充气囊为条形结构。
[0009] 优选的, 所述条形结构的充气囊的两端分别设置有第一卡扣及第二卡扣。
[0010] 优选的, 所述具有充气功能的电极片控制系统还包括环形结构的固定框架, 所 述环形结构的固定框架内设置所述充气囊。
[0011] 优选的, 所述电极片包括绝缘部件、 导电部件及导电胶体, 其中, 所述导电部 件设置于所述绝缘部件及导电胶体之间。
[0012] 优选的, 所述绝缘部件与充气囊的表面连接。
[0013] 优选的, 所述导电部件为银制贴片或氯化银贴片。
[0014] 优选的, 所述导电胶体为紫外光固化医用导电压敏胶。
发明的有益效果
有益效果
[0015] 相较于现有技术, 本实用新型所述具有充气功能的电极片控制系统采用了上述 技术方案, 达到了如下技术效果: 本实用新型将电极片设置于可充气结构的充 气囊表面, 当充气囊充气鼓起吋, 能够很好地与人体皮肤表面接触, 提高了监 测心电信号的准确率。
对附图的简要说明
附图说明
[0016] 图 1是本实用新型具有充气功能的电极片控制系统的优选实施例的结构示意图
[0017] 图 2是本实用新型具有充气功能的电极片控制系统中的充气囊的优选实施例的 结构示意图;
[0018] 图 3是本实用新型具有充气功能的电极片控制系统中的电极片的优选实施例的 结构示意图。
[0019] 本实用新型目的的实现、 功能特点及优点将结合实施例, 参照附图做进一步说 明。
实施该发明的最佳实施例
本发明的最佳实施方式
[0020] 为更进一步阐述本实用新型为达成上述目的所采取的技术手段及功效, 以下结 合附图及优选实施例, 对本实用新型的具体实施方式、 结构、 特征及其功效进 行详细说明。 应当理解, 本实用新型所描述的具体实施例仅仅用以解释本实用 新型, 并不用于限定本实用新型。
[0021] 需要说明的是, 当元件被称为 "设置于"另一个元件, 它可以直接在另一个元件 上或者可以存在居中的元件。 当一个元件被认为是"连接"另一个元件, 它可以直 接连接到另一个元件或者可能同吋存在居中元件。
[0022] 除非另有定义, 本文所使用的所有的技术和科学术语与属于本实用新型的技术 领域的技术人员通常理解的含义相同。 本文中在实用新型的说明书中所使用的 术语只是为了描述具体的实施方式的目的, 不是旨在于限制本实用新型。 本文 所使用的术语 "及 /或"包括一个或多个相关的所列项目的任意的和所有的组合。
[0023] 如图 1所示, 图 1是本实用新型具有充气功能的电极片控制系统的优选实施例的 结构示意图。
[0024] 在本实施例中, 所述的具有充气功能的电极片控制系统包括, 但不仅限于, 控 制设备 1、 充气装置 2及充气囊 3。 其中, 如图 2所示, 所述充气囊 3的表面设置多 个电极片 30。 所述电极片 30及充气装置 2均与所述控制设备 1电连接。
[0025] 所述控制设备 1通过设置于充气囊 3内的导线与所述电极片 30连接, 用于控制所 述电极片 30的幵启 /关闭, 所述控制设备 1用于控制所述电极片 30监测用户的心电 信号。 具体地说, 所述电极片 30与皮肤接触吋, 从皮肤表面诱导出微弱电流, 并将微弱电流输送给控制设备 1进行放大, 从而形成人体的心电信号。 在本实施 例中, 所述控制设备 1为心电图仪主机。 在本实施例中, 所述电极片 30为心电电 极片。 所述控制设备 1通过所述电极片 30监测用户的心电信号为现有技术, 在此 不在赘述。
[0026] 进一步地, 如图 3所示, 所述电极片 30包括绝缘部件 300、 导电部件 310及导电 胶体 320。 其中, 所述导电部件 310设置于所述绝缘部件 300及导电胶体 320之间 。 所述绝缘部件 300与充气囊 3的表面连接 (例如, 所述绝缘部件粘贴于所述充 气囊 3的表面) 。 所述导电部件 310是金属贴片 (例如, 银制贴片或氯化银贴片 ) 。 所述导电胶体 320为紫外光固化医用导电压敏胶。 所述电极片 30中的导电胶 体 320与用户身体接触。 此外, 需要说明的是, 所述控制设备 1与所述电极片 30 中的导电部件 310电连接。
[0027] 所述充气装置 2与所述充气囊 3连接, 用于为所述充气囊 3充气。 具体地说, 所 述充气装置 2包括一充气管 20。 所述充气囊 3包括一充气口 36。 所述充气管 20与 所述充气口 36连接, 所述充气装置 2用于产生气体并充入所述充气囊 3中, 使得 所述充气囊 3鼓起。
[0028] 所述充气囊 3用于套在用户身体的部位 (例如, 腕部、 腿部、 胸腔部等部位) , 当所述充气囊 3鼓起吋, 所述充气囊 3表面的电极片紧贴于用户身体的部位。
[0029] 在本实施例中, 所述充气囊 3可以是条形结构, 所述条形结构的充气囊 3的两端 分别设置有第一卡扣 32及第二卡扣 34, 所述第一卡扣 32及第二卡扣 34连接后, 可以形成环形结构的充气囊 3。 在其他实施例中, 所述充气囊 3还可以为环形结 构。 此外, 需要说明的是, 所述具有充气功能的电极片控制系统还包括一环形 结构的固定框架 (图 1中未示出) , 所述环形结构的固定框架内设置所述充气囊 3, 当所述充气囊 3充气吋, 所述充气囊 3向内鼓起。 所述环形结构的固定框架可 以是, 但不限于, 环形结构的钢制框架。
[0030] 所述具有充气功能的电极片控制系统的工作原理如下: 充气囊 3套在用户身体 的部位上, 控制设备 1通过控制所述充气装置 2对所述充气囊 3充气, 使得所述充 气囊 3鼓起, 鼓起后的充气囊 3表面的电极片 30紧贴于用户身体部位, 所述控制 设备 1控制所述电极片 30监测用户的心电信号。
[0031] 以上仅为本实用新型的优选实施例, 并非因此限制本实用新型的专利范围, 凡 是利用本实用新型说明书及附图内容所作的等效结构或等效功能变换, 或直接 或间接运用在其他相关的技术领域, 均同理包括在本实用新型的专利保护范围 内。
工业实用性
[0032] 相较于现有技术, 本实用新型所述具有充气功能的电极片控制系统采用了上述 技术方案, 达到了如下技术效果: 本实用新型将电极片设置于可充气结构的充 气囊表面, 当充气囊充气鼓起吋, 能够很好地与人体皮肤表面接触, 提高了监 测心电信号的准确率。

Claims

权利要求书
一种具有充气功能的电极片控制系统, 其特征在于, 所述的具有充气 功能的电极片控制系统包括控制设备、 充气装置及充气囊, 其中: 所 述充气囊的表面设置电极片, 所述充气装置与所述充气囊连接, 所述 电极片及充气装置均与所述控制设备电连接; 所述控制设备用于控制 所述充气装置产生气体并对所述充气囊充气; 所述控制设备用于控制 所述电极片监测用户的心电信号。
如权利要求 1所述的具有充气功能的电极片控制系统, 其特征在于, 所述充气装置包括充气管, 所述充气囊包括充气口, 所述充气管与所 述充气口连接。
如权利要求 1所述的具有充气功能的电极片控制系统, 其特征在于, 所述充气囊为环形结构。
如权利要求 1所述的具有充气功能的电极片控制系统, 其特征在于, 所述充气囊为条形结构。
如权利要求 4所述的具有充气功能的电极片控制系统, 其特征在于, 所述条形结构的充气囊的两端分别设置有第一卡扣及第二卡扣。 如权利要求 1所述的具有充气功能的电极片控制系统, 其特征在于, 所述具有充气功能的电极片控制系统还包括环形结构的固定框架, 所 述环形结构的固定框架内设置所述充气囊。
如权利要求 1所述的具有充气功能的电极片控制系统, 其特征在于, 所述电极片包括绝缘部件、 导电部件及导电胶体, 其中, 所述导电部 件设置于所述绝缘部件及导电胶体之间。
如权利要求 7所述的具有充气功能的电极片控制系统, 其特征在于, 所述绝缘部件与充气囊的表面连接。
如权利要求 7所述的具有充气功能的电极片控制系统, 其特征在于, 所述导电部件为银制贴片或氯化银贴片。
如权利要求 7所述的具有充气功能的电极片控制系统, 其特征在于, 所述导电胶体为紫外光固化医用导电压敏胶。
PCT/CN2017/070559 2016-04-21 2017-01-07 具有充气功能的电极片控制系统 WO2017181745A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201620346631.3U CN205903252U (zh) 2016-04-21 2016-04-21 具有充气功能的电极片控制系统
CN201620346631.3 2016-04-21

Publications (1)

Publication Number Publication Date
WO2017181745A1 true WO2017181745A1 (zh) 2017-10-26

Family

ID=57814332

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/070559 WO2017181745A1 (zh) 2016-04-21 2017-01-07 具有充气功能的电极片控制系统

Country Status (2)

Country Link
CN (1) CN205903252U (zh)
WO (1) WO2017181745A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113117242B (zh) * 2021-03-31 2024-04-12 王金震 一种射频皮肤环形热疗设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010027270A1 (en) * 1995-05-04 2001-10-04 Stratbucker Robert A. Bio-electic interface adapter with twelve-lead ECG capability and provision for defibrillation
CN202191288U (zh) * 2011-07-18 2012-04-18 张红军 束缚式ecg/dcg心电电极
CN202446077U (zh) * 2011-11-30 2012-09-26 北京大学 一种便携式心电测量仪和心电测量系统
CN102894968A (zh) * 2012-10-30 2013-01-30 中国人民解放军第四军医大学 一种适于人体电信号测量应用的充气式电极系统
CN203724085U (zh) * 2014-02-28 2014-07-23 思澜科技(成都)有限公司 一种一次性医用电极片

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010027270A1 (en) * 1995-05-04 2001-10-04 Stratbucker Robert A. Bio-electic interface adapter with twelve-lead ECG capability and provision for defibrillation
CN202191288U (zh) * 2011-07-18 2012-04-18 张红军 束缚式ecg/dcg心电电极
CN202446077U (zh) * 2011-11-30 2012-09-26 北京大学 一种便携式心电测量仪和心电测量系统
CN102894968A (zh) * 2012-10-30 2013-01-30 中国人民解放军第四军医大学 一种适于人体电信号测量应用的充气式电极系统
CN203724085U (zh) * 2014-02-28 2014-07-23 思澜科技(成都)有限公司 一种一次性医用电极片

Also Published As

Publication number Publication date
CN205903252U (zh) 2017-01-25

Similar Documents

Publication Publication Date Title
US20220192513A1 (en) Remote Physiological Monitor
US11253159B2 (en) Tracking cardiac forces and arterial blood pressure using accelerometers
JP2021098084A (ja) 体外式除細動器
US11890461B2 (en) Adhesively coupled wearable medical device
US6847836B1 (en) Emergency ECG electrode chest pad
EP1946696A1 (en) An electronic device
JP2014517759A5 (zh)
TW201100056A (en) Three-dimensional wearable electrode set
EP2701587B1 (en) Ecg mat
CN203314955U (zh) 儿科护理专用心电监护仪
US20200129078A1 (en) Blood Pressure Calculation Method and Device
CN105433937B (zh) 一种儿科护理专用心电监护仪
CN114786570A (zh) 生理学参数感测系统和方法
JP3867168B2 (ja) 心電計
US20220370788A1 (en) Wearable Medical Device with Removable Support Garment
WO2017181745A1 (zh) 具有充气功能的电极片控制系统
KR102488621B1 (ko) 생체 신호 측정 장치 및 그 사용 방법
EP4323741A1 (en) Physiological parameter sensing systems and methods
US8761858B1 (en) Method of attaching electrode patches to an infant
CN2683026Y (zh) 胸导联心电图电极片固定带
JP2018019997A (ja) 心電図測定装置
CN207886204U (zh) 一种心电监测装置
CN102973254B (zh) 非接触式心肺活动监视装置及其信号的获取方法
CN215305969U (zh) 一种心电图机导联电极固定贴
AU2021100414A4 (en) Local Vibrating Device for Prevention and Treatment of Sarcopenia

Legal Events

Date Code Title Description
NENP Non-entry into the national phase

Ref country code: DE

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

Ref document number: 17785231

Country of ref document: EP

Kind code of ref document: A1

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

Free format text: OTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 02.04.2019)

122 Ep: pct application non-entry in european phase

Ref document number: 17785231

Country of ref document: EP

Kind code of ref document: A1