JP2003275185A - Biological monitor device - Google Patents
Biological monitor deviceInfo
- Publication number
- JP2003275185A JP2003275185A JP2002083013A JP2002083013A JP2003275185A JP 2003275185 A JP2003275185 A JP 2003275185A JP 2002083013 A JP2002083013 A JP 2002083013A JP 2002083013 A JP2002083013 A JP 2002083013A JP 2003275185 A JP2003275185 A JP 2003275185A
- Authority
- JP
- Japan
- Prior art keywords
- living body
- contact
- electrode
- signal
- contact electrode
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 17
- 238000012806 monitoring device Methods 0.000 claims description 16
- 230000000241 respiratory effect Effects 0.000 claims description 8
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000001727 in vivo Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 13
- 230000036760 body temperature Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 230000010355 oscillation Effects 0.000 description 9
- 230000036387 respiratory rate Effects 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 206010011985 Decubitus ulcer Diseases 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 102100039851 DNA-directed RNA polymerases I and III subunit RPAC1 Human genes 0.000 description 1
- 101710112289 DNA-directed RNA polymerases I and III subunit RPAC1 Proteins 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【発明が属する技術分野】この発明は、下着等の衣類に
装着し、心電図、呼吸数、体温、脈拍数、体位検出、生
体の活動度等の生体データを長時間検出することができ
ると共に、これらのデータを電送することができる生体
モニタ装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention can be attached to clothes such as underwear and can detect biological data such as an electrocardiogram, respiratory rate, body temperature, pulse rate, body position, and activity of a living body for a long time. The present invention relates to an in-vivo monitor device capable of transmitting these data.
【０００２】[0002]
【従来の技術】本出願人は、特開２００１−２９９７１
２号において、下着等に装着テープ、ホック、ポケット
により取付けることができ、長時間、心電図、呼吸、体
温、体位及び活動量をモニタリングできる装置を開示し
た。この装置は、本体ケースに、一対の心電図電極と、
呼吸数及び脈拍数とを検出する静電容量検出部と、体温
を検出する温度センサと、体位を検出するセンサと、活
動度を検出する加速度センサとを少なくとも具備し、さ
らに、これらによる測定データを電送する無線テレメー
タを具備するものである。特に、静電容量検出部は、生
体に対して絶縁された電極を有し、呼吸・脈拍等に基づ
く生体の動きによって変動する生体・電極間の静電容量
の変動を検出し、この信号から呼吸数・脈拍数を検出す
るようにしたものである。2. Description of the Related Art The applicant of the present invention discloses in Japanese Patent Application Laid-Open No. 2001-29971.
No. 2 discloses a device that can be attached to underwear or the like with a mounting tape, a hook, or a pocket, and can monitor an electrocardiogram, respiration, body temperature, body position, and activity amount for a long time. This device has a body case, a pair of ECG electrodes,
A capacitance detection unit that detects a respiratory rate and a pulse rate, a temperature sensor that detects a body temperature, a sensor that detects a body position, and an acceleration sensor that detects an activity level are further provided, and further, measurement data by these. It is equipped with a wireless telemeter for transmitting. In particular, the capacitance detection unit has an electrode insulated from the living body, detects a variation in the capacitance between the living body and the electrode that fluctuates due to the movement of the living body based on respiration, pulse, etc. The respiratory rate and pulse rate are detected.
【０００３】[0003]
【発明が解決しようする課題】本発明は、上記特開２０
０１−２９９７１２号に開示される発明をさらに改良
し、生体モニタ装置の装着性及び装着感を向上させた生
体モニタ装置を提供することにある。DISCLOSURE OF THE INVENTION The present invention is based on the above-mentioned Japanese Patent Application Laid-Open No.
Another object of the present invention is to provide a biometric monitor device that further improves the invention disclosed in No. 01-299712 to improve the wearability and the wearing feeling of the biometric monitor device.
【０００４】[0004]
【課題を解決するための手段】したがって、この発明
は、生体に接触する接触電極と、生体に対して所定の間
隔で非接触である非接触電極と、生体に接触するコモン
電極とを少なくとも具備し、さらに、本体ケース内に、
前記接触電極から心電図信号を検出する心電図検出部
と、前記非接触電極と生体との間に生じる静電容量の変
化を検出して呼吸及び脈拍を検出する呼吸脈拍検出部
と、前記心電図検出部によって検出された信号及び呼吸
脈拍検出部によって検出された信号を変換して演算処理
する信号処理部と、該信号処理部によって演算された信
号を記憶する記憶部と、前記信号処理部によって演算さ
れた信号を出力する信号出力部と、信号出力部から出力
される信号を発信する無線出力部とを少なくとも具備す
る生体モニタ装置において、前記本体ケースから所定の
間隔で延出し、前記生体に直接装着する衣類の端部に跨
って前記本体ケースを支持する複数の支持部と、該支持
部の少なくとも一つから延出する電極アーム部とを具備
すると共に、前記コモン電極は、少なくとも一つの支持
部の生体と接触する部分に設けられ、前記接触電極は、
前記電極アーム部の端部近傍の前記生体との接触部分に
設けられることにある。これによって、生体モニタ装置
を下着等の衣類の装着するだけで接触電極及びコモン電
極を所定の位置において生体に接触させることができ
る。Therefore, the present invention comprises at least a contact electrode which comes into contact with a living body, a non-contact electrode which does not come into contact with the living body at a predetermined interval, and a common electrode which comes into contact with the living body. In addition, in the main body case,
An electrocardiogram detection unit that detects an electrocardiogram signal from the contact electrode, a respiratory pulse detection unit that detects respiration and a pulse by detecting a change in capacitance that occurs between the non-contact electrode and a living body, and the electrocardiogram detection unit. And a signal processing unit for converting and processing the signal detected by the respiratory pulse detection unit, a storage unit for storing the signal calculated by the signal processing unit, and a calculation unit for the signal processing unit. In a living body monitoring apparatus comprising at least a signal output unit for outputting a signal and a wireless output unit for transmitting a signal output from the signal output unit, the living body monitoring device extends at a predetermined interval from the body case and is directly attached to the living body. And a plurality of supporting portions for supporting the main body case across the end portion of the clothes to be worn, and electrode arm portions extending from at least one of the supporting portions. Electrode is provided on the portion in contact with a living body of at least one support portion, said contact electrode,
It is provided in the contact portion with the living body near the end portion of the electrode arm portion. As a result, the contact electrode and the common electrode can be brought into contact with the living body at a predetermined position simply by mounting the living body monitoring device on clothes such as underwear.
【０００５】さらに、この発明において、前記コモン電
極は、複数の支持部の中央に位置する支持部に形成され
ることが望ましく、前記電極アーム部は、前記支持部の
両最外部に位置する支持部のそれぞれに形成されること
が望ましい。Further, in the present invention, it is preferable that the common electrode is formed on a support portion located at the center of the plurality of support portions, and the electrode arm portion is provided on both outermost sides of the support portion. It is desirable to be formed in each of the parts.
【０００６】さらにまた、前記コモン電極と前記接触電
極の距離は、５ｃｍ〜１５ｃｍの範囲内に設定されるこ
とが望ましい。Furthermore, it is desirable that the distance between the common electrode and the contact electrode is set within the range of 5 cm to 15 cm.
【０００７】また、前記非接触電極は、前記本体ケース
の生体側側面であって、前記支持部間に設けられると共
に、前記支持部が跨る衣類によって前記生体と非接触で
あることが望ましい。また、前記非接触電極は、前記コ
モン電極が設けられる支持部と、前記接触電極が設けら
れる支持部との間に位置する支持部に設けられ、該接触
電極と生体との間に非導電部が形成されるものであって
もよい。Further, it is preferable that the non-contact electrode is provided on the living body side surface of the main body case between the support portions, and is not in contact with the living body by the clothes straddled by the support portions. Further, the non-contact electrode is provided in a support part located between the support part where the common electrode is provided and the support part where the contact electrode is provided, and the non-conductive part is provided between the contact electrode and the living body. May be formed.
【０００８】さらに、前記支持部の一つの生体と接触す
る部分には、温度センサが設けられルことが望ましい。
さらにまた、前記本体ケースには、生体の３次元移動を
検出する体位検出手段が形成されることが望ましい。Further, it is preferable that a temperature sensor is provided at a portion of the support portion that contacts one living body.
Furthermore, it is preferable that body position detecting means for detecting three-dimensional movement of a living body is formed on the body case.
【０００９】[0009]
【発明の実施の形態】以下、この発明の実施の形態につ
いて図面を参照して説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.
【００１０】図１（ａ），（ｂ），（ｃ），（ｄ）で示
される生体モニタ装置１は、本体ケース２と、本体ケー
ス２を衣類１０、特にパンツ等に下着に支持するための
支持部３と、両外側に位置する支持部３から横方に延出
する電極アーム部４とによって構成される。The living body monitoring apparatus 1 shown in FIGS. 1 (a), 1 (b), 1 (c) and 1 (d) is for supporting the body case 2 and the body case 2 on the clothing 10, especially pants or the like underwear. 2 and the electrode arm portions 4 extending laterally from the support portions 3 located on both outer sides.
【００１１】前記支持部３は、前記本体ケース２の上端
部から衣類１０の端部を跨るように形成されるもので、
その先端部分が生体２０に接触することが望ましい。こ
れによって、例えば、生体モニタ装置１をパンツに装着
する場合、本体ケース２はパンツの外側に位置し、保持
部３がパンツの端部を跨って、前記支持部３の先端側面
及び電極アーム部４がパンツの内側に位置して生体２０
と接触するものである。The support portion 3 is formed so as to extend from the upper end portion of the main body case 2 to the end portion of the garment 10.
It is desirable that the tip portion contact the living body 20. Thereby, for example, when the biological monitoring device 1 is attached to pants, the main body case 2 is located outside the pants, the holding portion 3 straddles the end portion of the pants, and the tip side surface of the support portion 3 and the electrode arm portion. 4 is located inside the pants and the living body 20
It comes into contact with.
【００１２】また、それぞれの電極アーム部４の先端部
近傍には心電図電極５が設けられ、それぞれの心電図電
極５は前記電極アーム部４及び前記支持部３に貼り付け
られた導電部（図示せず）又は電極アーム部４及び支持
部３内部に埋め込まれた導電部（図示せず）を介して前
記本体ケース２の内部に配設された電気回路３０と接続
されるものである。この心電図電極５は、金属、導電ゴ
ム又は導電性カーボンで形成されるものであるが、生体
との接触感触の良好性から言えば、導電ゴムで形成され
ることが望ましい。また、前記心電図電極５とコモン電
極６との間の距離Ｄ１，Ｄ２は、５ｃｍ〜１５ｃｍの間
の距離に設定されることが望ましい。An electrocardiogram electrode 5 is provided near the tip of each electrode arm portion 4, and each electrocardiogram electrode 5 is a conductive portion (not shown) attached to the electrode arm portion 4 and the support portion 3. No.) or a conductive portion (not shown) embedded in the electrode arm portion 4 and the support portion 3 and is connected to the electric circuit 30 disposed inside the main body case 2. The electrocardiographic electrode 5 is made of metal, conductive rubber or conductive carbon, but is preferably made of conductive rubber in terms of good contact feeling with a living body. Further, the distances D1 and D2 between the electrocardiogram electrode 5 and the common electrode 6 are preferably set to a distance between 5 cm and 15 cm.
【００１３】コモン電極６は、中央に位置する支持部３
の生体との接触面に形成され、前記心電図電極５と同質
の材料で形成されることが望ましい。また、このコモン
電極６は、支持部３に貼り付けられた導電部（図示せ
ず）を介して前記本体ケース２に配設された電気回路３
０と接続されるものである。The common electrode 6 has a supporting portion 3 located at the center.
It is desirable that it is formed on the contact surface with the living body and is made of the same material as the electrocardiogram electrode 5. Further, the common electrode 6 is provided in the main body case 2 via a conductive portion (not shown) attached to the support portion 3 and the electric circuit 3 is provided.
It is connected to 0.
【００１４】さらに、本体ケース２の生体側側面２ａに
は２つの非接触電極７が設けられ、本体ケース２を前記
衣類１０に装着した場合、生体２０との間に所定の間隔
ｄ１が形成される。Further, two non-contact electrodes 7 are provided on the living body side surface 2a of the body case 2, and when the body case 2 is attached to the garment 10, a predetermined space d1 is formed between the body case 2 and the body 20. It
【００１５】また、前記支持部３の一つの生体２０との
接触面には、温度検出センサ８が設けられ、前記支持部
３を介して前記電気回路３０と接続される。A temperature detection sensor 8 is provided on the contact surface of the support portion 3 with one living body 20, and is connected to the electric circuit 30 via the support portion 3.
【００１６】前記本体ケース２の前面には、２つの押下
スイッチ９が形成される。この押下スイッチ９の先端
は、前記本体ケース２の前面よりも凹んでおり、上着や
ベルト等によって押下されることを防止するものであ
る。また、この押下スイッチ９は心電図情報等の測定情
報を緊急に電送するために設けられるもので、誤報を防
止するために２つの押下スイッチ９が同時に押下された
場合にのみ電送させるようになっているものである。Two push-down switches 9 are formed on the front surface of the body case 2. The tip of the push-down switch 9 is recessed from the front surface of the main body case 2 to prevent the push-down switch 9 from being pushed down by a jacket or a belt. The push switch 9 is provided for urgently transmitting measurement information such as electrocardiogram information. In order to prevent a false alarm, the push switch 9 is transmitted only when the two push switches 9 are simultaneously pressed. There is something.
【００１７】前記電気回路３０は、例えば図２に示すも
ので、前記心電図電極５からの信号から心電図信号をデ
ジタル信号として出力する心電図検出部３５と、前記温
度検出センサ８からの信号から体温信号をデジタル信号
として出力する体温検出部３６と、加速度検出センサ３
１からの信号から活動度信号をデジタル信号として出力
する活動度検出部３７と、前記非接触電極７からの静電
容量の変化に基づいて呼吸数及び脈拍数信号をデジタル
信号として出力する呼吸数・脈拍数検出部３８と、体の
傾きを検出する３つのセンサ３２，３３，３４からの信
号から被験者の体位を検出する体位検出部３９と、上述
した検出部３５，３６，３７，３８，３９からのデジタ
ル信号を波形処理する波形処理部４０と、この波形処理
部４０によってノイズ等が除去されたデジタル信号を生
体測定データに加工する信号演算部４１と、この信号演
算部４１によって演算加工された生体測定データを記憶
して蓄積する記憶部４２と、この記憶部４２によって蓄
積された記憶を所定時間毎に記録する記録部４３と、こ
の記録部４３に記録された生体測定データを定期的に、
また押下スイッチ９の押下によって前記信号演算部４１
によって演算された最新の生体測定データを出力する信
号出力部４４と、この信号出力部４４から出力された生
体測定データを無線出力する無線出力部４５と、ボタン
電池等から電力を供給する電源部４７と、アンテナ４６
とによって少なくとも構成される。The electric circuit 30 is, for example, as shown in FIG. 2, and includes an electrocardiogram detection unit 35 that outputs an electrocardiogram signal as a digital signal from the signal from the electrocardiogram electrode 5, and a body temperature signal from the signal from the temperature detection sensor 8. Body temperature detection unit 36 that outputs the as a digital signal, and the acceleration detection sensor 3
An activity detector 37 that outputs a digital activity signal from the signal from 1, and a respiratory rate that outputs a respiratory rate and pulse rate signal as a digital signal based on the change in capacitance from the non-contact electrode 7. -Pulse rate detection unit 38, body position detection unit 39 that detects the body position of the subject from the signals from the three sensors 32, 33, and 34 that detect the inclination of the body, and the above-described detection units 35, 36, 37, 38, A waveform processing unit 40 for performing waveform processing on the digital signal from 39, a signal calculation unit 41 for processing the digital signal from which noise and the like have been removed by the waveform processing unit 40 into biometric data, and calculation processing by this signal calculation unit 41. A storage unit 42 for storing and accumulating the biometric data obtained, a recording unit 43 for recording the storage accumulated by the storage unit 42 at predetermined time intervals, and a recording unit 43. Periodically the biometric data that has been,
Further, when the push switch 9 is pushed, the signal calculation unit 41
A signal output unit 44 that outputs the latest biometric data calculated by the above, a wireless output unit 45 that wirelessly outputs the biometric data output from the signal output unit 44, and a power supply unit that supplies power from a button battery or the like. 47 and antenna 46
And at least.
【００１８】前記心電図検出部３５では、前記心電図電
極５で得られた信号が増幅及びフィルタ処理され、デジ
タル信号Ａに変換される。そして、このデジタル信号Ａ
は波形処理部４０において、例えば、図３（ａ）で示す
ように、ノイズフィルタ（低域除去フィルタ及び高域除
去フィルタ、又はハムノイズ除去フィルタ）によってノ
イズ成分を除去し、明瞭な心電図信号Ｃを得ることがで
きるものである。また、図３（ｂ）に示すように、心電
図信号Ｂには筋電図信号が重畳している場合等には、筋
電図フィルタ等によって心電図以外の周波数成分を除去
し、明瞭な心電図信号Ｃが得られるものである。この心
電図信号Ｃは、信号演算部４１を介して記憶部４２に一
時的に記憶され、また信号演算部４１において実時間心
電図解析処理がなされ、検出された心電図信号Ｃが正常
心電図波形か異常波形かが判定され、異常波形と判定さ
れた場合には記憶部４２に記憶された心電図波形を異常
波形として発生時間等を付加して記録部４３に記録す
る。In the electrocardiogram detecting section 35, the signal obtained by the electrocardiogram electrode 5 is amplified and filtered and converted into a digital signal A. And this digital signal A
In the waveform processing unit 40, for example, as shown in FIG. 3A, the noise component is removed by a noise filter (low-pass removal filter and high-pass removal filter, or hum noise removal filter), and a clear electrocardiogram signal C is obtained. Is what you can get. Further, as shown in FIG. 3B, when an electromyographic signal is superimposed on the electrocardiographic signal B, a frequency component other than the electrocardiographic signal is removed by an electromyographic filter or the like to obtain a clear electrocardiographic signal. C is what is obtained. This electrocardiogram signal C is temporarily stored in the storage unit 42 via the signal calculation unit 41, and is subjected to real-time electrocardiogram analysis processing in the signal calculation unit 41, and the detected electrocardiogram signal C is a normal electrocardiogram waveform or an abnormal waveform. If it is determined that the waveform is abnormal, and if it is determined to be an abnormal waveform, the electrocardiogram waveform stored in the storage unit 42 is recorded as an abnormal waveform in the recording unit 43 with the occurrence time and the like added.
【００１９】図４で示すように、非接触電極７は、生体
２０の間で静電容量を構成する。この非接触電極７と生
体２０との間の静電容量は、呼吸及び脈拍による生体の
動きや微動によって変化する。したがって、呼吸数・脈
拍数検出部３８では、この静電容量の変化による発振周
波数の変化を発振回路４０を介して検出する。具体的に
は、呼気の場合、生体２０が破線から実線方向に移動す
ることから胸郭の容積は小さくなり生体２０と非接触電
極７の間の空隙は大きくなることから静電容量が減少す
るので、発振周波数は高くなる。また吸気の場合には、
生体２０が実線から破線方向に移動することから胸郭の
容積は大きくなり生体２０と非接触電極７の間の空隙は
小さくなることから静電容量が増加するので、発振周波
数は低くなる。この発振周波数の変動は、波形処理部４
０において波形化されて、呼吸波形と脈拍波形に分離さ
れ、それぞれが信号演算部４１において処理されて、呼
吸数及び脈拍数が演算され、記憶部４２に記憶する。必
要に応じて、呼吸波形・脈拍波形を記憶部４２を介して
記録部４３に保存するようにしても良いものである。
尚、図５で示すように、発振周波数の変動を示す波形に
おいて、Ｂｔが呼吸周期であり、Ｐｔが脈拍周期であ
る。As shown in FIG. 4, the non-contact electrode 7 constitutes a capacitance between the living bodies 20. The electrostatic capacitance between the non-contact electrode 7 and the living body 20 changes due to the movement or slight movement of the living body due to respiration and pulse. Therefore, the respiration rate / pulse rate detection unit 38 detects the change in the oscillation frequency due to the change in the capacitance through the oscillation circuit 40. Specifically, in the case of exhalation, since the living body 20 moves in the direction from the broken line to the solid line direction, the volume of the thorax becomes smaller, and the space between the living body 20 and the non-contact electrode 7 becomes larger, so that the capacitance decreases. , The oscillation frequency becomes higher. In the case of intake,
Since the living body 20 moves in the direction from the solid line to the broken line, the volume of the thorax becomes large, and the gap between the living body 20 and the non-contact electrode 7 becomes small, so that the capacitance increases, and the oscillation frequency becomes low. The fluctuation of the oscillation frequency is caused by the waveform processing unit 4
The waveform is converted into a waveform at 0 and separated into a respiratory waveform and a pulse waveform, which are processed by the signal calculation unit 41 to calculate the respiratory rate and the pulse rate, which are stored in the storage unit 42. If necessary, the respiratory waveform / pulse waveform may be stored in the recording unit 43 via the storage unit 42.
As shown in FIG. 5, Bt is a respiratory cycle and Pt is a pulse cycle in the waveform showing the fluctuation of the oscillation frequency.
【００２０】また、前記発振周波数の変動を、カウンタ
回路によってカウントして呼吸及び脈波が重畳したデジ
タル信号として検出し、この信号を０．５秒（２Ｈｚ）
から１０秒（０．１Ｈｚ）の範囲のデジタル信号が通過
する第１のデジタルフィルタ及び１／３秒（３Ｈｚ）〜
２秒（０．５Ｈｚ）の範囲のデジタル信号が通過する第
２のデジタルフィルタをそれぞれ通過させて、第１のデ
ジタルフィルタを通過したデジタル信号を呼吸成分とし
て検出すると共に、第２のデジタルフィルタを通過した
デジタル信号を脈拍成分として検出することができる。Further, the fluctuation of the oscillation frequency is counted by a counter circuit and detected as a digital signal on which respiration and a pulse wave are superimposed, and this signal is detected for 0.5 seconds (2 Hz).
To the first digital filter through which the digital signal in the range from 1 to 10 seconds (0.1 Hz) passes and 1/3 second (3 Hz) to
The second digital filter is passed through a second digital filter through which a digital signal in the range of 2 seconds (0.5 Hz) passes, and the digital signal passed through the first digital filter is detected as a respiratory component, and the second digital filter is The passed digital signal can be detected as a pulse component.
【００２１】前述した体の傾きを検出する３つのセンサ
３２，３３，３４は、生体モニタ装置１の本体ケース２
の重力に対する傾きを検出するためのもので、本発明の
実施の形態では水銀スイッチが使用される。例えば、図
６（ａ），（ｂ），（ｃ）で示すように、被験者が立位
であるか否かを検出する第１のセンサ３２は、立位の対
して所定の角度傾斜して配されており、立位及び座位で
はオン状態となり、仰臥位、右又は左臥位でオフ状態と
なる。また、第２のセンサ３３は、生体の前方に対して
所定の角度傾斜して配され、右臥位ではオン状態、仰臥
位及び左臥位ではオフ状態となる。第３のセンサ３４
は、前記第２のセンサ３３と線対称となるように配さ
れ、左臥位ではオン状態、仰臥位及び右臥位ではオフ状
態となる。これを表に示すと以下のようになる。The three sensors 32, 33 and 34 for detecting the inclination of the body described above are the body case 2 of the living body monitoring apparatus 1.
Of the mercury switch is used in the embodiment of the present invention. For example, as shown in FIGS. 6A, 6B, and 6C, the first sensor 32 that detects whether or not the subject is standing is tilted by a predetermined angle with respect to the standing position. It is placed in an on state in a standing position and a sitting position, and turned off in a supine position, right or left supine position. The second sensor 33 is arranged at a predetermined angle with respect to the front of the living body, and is turned on in the right decubitus position and turned off in the supine and left decubitus positions. Third sensor 34
Are arranged so as to be line-symmetric with the second sensor 33, and are turned on in the left lateral position and turned off in the supine position and the right lateral position. This is shown in the table below.
【００２２】[0022]
【表１】 [Table 1]
【００２３】このような第１、第２及び第３のセンサ３
２，３３，３４のオン／オフ状態を体位検出部３９にお
いて判定すると共に前記信号演算部４１においてこの判
定状況を判断し、被験者の現在の体位を検出する。ま
た、この情報を記憶部４２に保存することによって時系
列的な変化を知ることができるようになるものである。Such first, second and third sensors 3
The on / off state of 2, 33, 34 is determined by the body position detecting section 39, and the determination state is determined by the signal calculating section 41 to detect the present body position of the subject. Further, by storing this information in the storage unit 42, it becomes possible to know a time series change.
【００２４】活動度検出部３７は、本体ケース２内の装
着された加速度センサ３１からの信号を検出し、デジタ
ル信号として出力する。このデジタル信号は、波形処理
部４０を介して信号演算部４１に送られ、活動度が演算
される。活動度の演算の方法としては、活動度に応じて
変化する振幅の大きさを単位時間で積分する方法があ
る。そして、この活動度は時系列に記憶部４２に記憶さ
れ、活動度の指標とする。The activity detector 37 detects a signal from the acceleration sensor 31 mounted inside the main body case 2 and outputs it as a digital signal. This digital signal is sent to the signal calculation unit 41 via the waveform processing unit 40, and the activity is calculated. As a method of calculating the activity, there is a method of integrating the magnitude of the amplitude that changes according to the activity in a unit time. Then, this activity level is stored in the storage unit 42 in chronological order and used as an index of the activity level.
【００２５】温度検出センサ８からのアナログ出力信号
は、体温検出部３６において検出されデジタル信号に変
換される。そして、波形処理部４０を介して信号演算部
４１に出力され、ここで体温信号に変換される。この体
温信号は、時系列に記憶部４２に記憶される。The analog output signal from the temperature detecting sensor 8 is detected by the body temperature detecting section 36 and converted into a digital signal. Then, it is output to the signal calculation unit 41 via the waveform processing unit 40, and is converted into a body temperature signal here. The body temperature signal is stored in the storage unit 42 in time series.
【００２６】以上により検出された心電図、呼吸数、脈
拍数、体温、体位、活動度等の生体データは、無線出力
部４５を介して定期的に、又は緊急の場合には押下スイ
ッチ９の押下によって図示しない受信装置に送信され
る。基本的に、この無線出力部４５が出力される電波は
微弱電波が使用されることが望ましく、このため、本体
ケース近傍に受信装置が配されることが望ましい。この
受信装置は、通信手段を有するパソコン、電話モデム装
置、携帯電話、ＰＨＳ等に接続させることが望ましい。The biometric data such as the electrocardiogram, respiratory rate, pulse rate, body temperature, body position, and activity detected by the above is periodically sent via the wireless output unit 45, or in the case of an emergency, the push switch 9 is pushed. Is transmitted to a receiver (not shown). Basically, it is desirable that weak radio waves be used as the radio waves output by the wireless output unit 45, and therefore it is desirable that the receiving device be arranged near the main body case. This receiving device is preferably connected to a personal computer having a communication means, a telephone modem device, a mobile phone, a PHS or the like.
【００２７】図７（ａ），（ｂ），（ｃ）で示す生体モ
ニタ装置１Ａは、本願発明の第２の実施の形態に係るも
のである。この生体モニタ装置１Ａは、コモン電極６が
配された支持部３と電極アーム部４が形成された支持部
３との間に、非接触電極７Ａが設けられた支持部３が形
成されるもので、この非接触電極７Ａと生体２０との間
には非導電部３Ａが形成されるものである。この実施の
形態では、非接触電極７Ａが形成された支持部３は、合
成樹脂等の絶縁部材によって形成され、前記非接触電極
７Ａは、支持部３の生体２０とは反対側の側面に形成さ
れる。これによって支持部３によって非導電部３Ａが構
成される。また、非接触電極７Ａを生体側側面に形成
し、この表面に絶縁部材をコーティングすることによっ
て非導電部３Ａを形成しても良いものである。尚、前述
した実施の形態と同一の個所及び同一の効果を奏する個
所には同一の符号を付してその説明を省略する。The biological monitoring device 1A shown in FIGS. 7A, 7B, and 7C is related to the second embodiment of the present invention. In this in-vivo monitoring device 1A, a support portion 3 provided with a non-contact electrode 7A is formed between a support portion 3 provided with a common electrode 6 and a support portion 3 provided with an electrode arm portion 4. Then, the non-conductive portion 3A is formed between the non-contact electrode 7A and the living body 20. In this embodiment, the supporting portion 3 on which the non-contact electrode 7A is formed is formed of an insulating member such as synthetic resin, and the non-contact electrode 7A is formed on the side surface of the supporting portion 3 opposite to the living body 20. To be done. As a result, the support portion 3 constitutes the non-conductive portion 3A. Further, the non-contact electrode 7A may be formed on the living body side surface, and the non-conductive portion 3A may be formed by coating the surface with an insulating member. The same parts as those of the above-described embodiment and parts having the same effect are designated by the same reference numerals, and the description thereof will be omitted.
【００２８】[0028]
【発明の効果】以上説明したように、この発明によれ
ば、生体モニタ装置を下着等の衣類に簡単に装着するこ
とができると共に、生体モニタ装置を装着するだけで、
心電図電極を最も適切な位置で生体に接触させることが
でき、且つ呼吸数・脈拍数を検出する非接触電極を所定
の位置に配置することができるため、電極を装着する等
のわずらわしい手間が省けるものである。As described above, according to the present invention, the living body monitoring device can be easily attached to clothes such as underwear, and the living body monitoring device can be simply attached.
Since the electrocardiogram electrode can be brought into contact with the living body at the most appropriate position and the non-contact electrode for detecting the respiratory rate and pulse rate can be placed at a predetermined position, troublesome work such as wearing the electrode can be omitted. It is a thing.
【００２９】さらに、常時生体モニタ装置の装着が可能
であることから、被験者の生活に密着した測定データを
検出することができ、また長時間生体をモニタすること
ができ、且つ定期的にデータの送信ができるため、有益
なデータを得ることができるものである。また、緊急時
にはそのデータを即時に送信することもできるため、被
験者の診療又は治療に非常に有効なデータを検出し送信
できるものである。Furthermore, since the living body monitoring device can be attached at all times, it is possible to detect measurement data closely related to the subject's life, to monitor the living body for a long period of time, and to periodically monitor the data. Since it can be transmitted, useful data can be obtained. Further, in case of emergency, the data can be immediately transmitted, so that very effective data for medical examination or treatment of the subject can be detected and transmitted.
【図１】本願発明の第１の実施の形態に係る生体モニタ
装置の概略を示す図面であり、（ａ）は正面図、（ｂ）
は背面図、（ｃ）は側面図、（ｄ）は平面図を示す。1A and 1B are diagrams showing an outline of a biological monitoring device according to a first embodiment of the present invention, in which FIG. 1A is a front view and FIG.
Shows a rear view, (c) shows a side view, and (d) shows a plan view.
【図２】生体モニタ装置に内設される電気回路図の概略
構成ブロック図である。FIG. 2 is a schematic configuration block diagram of an electric circuit diagram provided in the biological monitoring device.
【図３】（ａ）は心電図信号からノイズを除去する状態
を示した説明図であり、（ｂ）は心電図信号から筋電図
信号を除去する状態を示した説明図である。FIG. 3A is an explanatory diagram showing a state of removing noise from an electrocardiogram signal, and FIG. 3B is an explanatory diagram showing a state of removing an electromyogram signal from an electrocardiogram signal.
【図４】発振周波数を検出する回路の一例を示した説明
図である。FIG. 4 is an explanatory diagram showing an example of a circuit for detecting an oscillation frequency.
【図５】発振周波数波形において呼吸及び心拍の周期を
示した説明図である。FIG. 5 is an explanatory diagram showing cycles of respiration and heartbeat in an oscillation frequency waveform.
【図６】体位検出センサの配置ついて説明した説明図で
ある。FIG. 6 is an explanatory diagram illustrating the arrangement of body position detecting sensors.
【図７】本願発明の第２の実施の形態に係る生体モニタ
装置の概略を示す図面であり、（ａ）は背面図、（ｂ）
は側面図、（ｃ）は平面図を示す。7A and 7B are diagrams showing an outline of a biological monitoring device according to a second embodiment of the present invention, in which FIG. 7A is a rear view and FIG.
Shows a side view and (c) shows a plan view.
１，１Ａ 生体モニタ装置 ２ 本体ケース ３ 支持部 ４ 電極アーム部 ５ 心電図電極 ６ コモン電極 ７，７Ａ 非接触電極 ８ 温度検出センサ １０ 衣類 ２０ 生体 1,1A living body monitor 2 body case 3 Support 4 electrode arm 5 ECG electrodes 6 common electrode 7,7A Non-contact electrode 8 Temperature detection sensor 10 clothing 20 living body
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ａ６１Ｂ 5/0402 Ａ６１Ｂ 5/02 ３２０Ｚ 5/0478 5/04 ３００Ｎ 5/08 5/10 ３１０Ａ 5/11 5/04 ３１０Ｍ Ｆターム(参考） 4C017 AA10 AA16 AA19 AB10 AC11 AC16 AC40 BB13 BC11 EE01 FF30 4C027 AA00 AA02 AA06 CC00 EE01 FF01 FF02 GG16 JJ03 KK05 4C038 SS08 ST00 SV03 SX02 VA04 VB40 VC20 ─────────────────────────────────────────────────── ─── Continued Front Page (51) Int.Cl. 7 Identification Code FI Theme Coat (Reference) A61B 5/0402 A61B 5/02 320Z 5/0478 5/04 300N 5/08 5/10 310A 5/11 5 / 04 310 MF term (reference) 4C017 AA10 AA16 AA19 AB10 AC11 AC16 AC40 BB13 BC11 EE01 FF30 4C027 AA00 AA02 AA06 CC00 EE01 FF01 FF02 GG16 JJ03 KK05 4C038 SS08 ST00 SV03 SX02 VA04 VB40 VC20
Claims (8)
て所定の間隔で非接触である非接触電極と、生体に接触
するコモン電極とを少なくとも具備し、さらに、本体ケ
ース内に、前記接触電極から心電図信号を検出する心電
図検出部と、前記非接触電極と生体との間に生じる静電
容量の変化を検出して呼吸及び脈拍を検出する呼吸脈拍
検出部と、前記心電図検出部によって検出された信号及
び呼吸脈拍検出部によって検出された信号を変換して演
算処理する信号処理部と、該信号処理部によって演算さ
れた信号を記憶する記憶部と、前記信号処理部によって
演算された信号を出力する信号出力部と、信号出力部か
ら出力される信号を発信する無線出力部とを少なくとも
具備する生体モニタ装置において、 前記本体ケースから所定の間隔で延出し、前記生体に直
接装着する衣類の端部に跨って前記本体ケースを支持す
る複数の支持部と、該支持部の少なくとも一つから延出
する電極アーム部とを具備すると共に、 前記コモン電極は、少なくとも一つの支持部の生体と接
触する部分に設けられ、 前記接触電極は、前記電極アーム部の端部近傍の前記生
体との接触部分に設けられることを特徴とする生体モニ
タ装置。1. A contact electrode that comes into contact with a living body, a non-contact electrode that does not come into contact with the living body at a predetermined interval, and a common electrode that comes into contact with the living body, further comprising: By an electrocardiogram detection unit that detects an electrocardiogram signal from a contact electrode, a respiratory pulse detection unit that detects respiration and a pulse by detecting a change in capacitance that occurs between the non-contact electrode and a living body, and the electrocardiogram detection unit. A signal processing unit that converts and processes the detected signal and the signal detected by the respiratory pulse detection unit, a storage unit that stores the signal calculated by the signal processing unit, and a signal processing unit that calculates the signal. A biological monitoring device comprising at least a signal output unit for outputting a signal and a wireless output unit for transmitting a signal output from the signal output unit, the living body monitoring device extending from the main body case at a predetermined interval. A plurality of supporting portions for supporting the main body case across the end portion of the clothes directly attached to the living body, and an electrode arm portion extending from at least one of the supporting portions, and the common electrode is The living body monitoring device is provided at a portion of the at least one support portion that comes into contact with the living body, and the contact electrode is provided at a portion near the end of the electrode arm portion that comes into contact with the living body.
に位置する支持部に形成されることを特徴とする請求項
１記載の生体モニタ装置。2. The in-vivo monitor device according to claim 1, wherein the common electrode is formed on a support portion located at the center of the plurality of support portions.
外部に位置する支持部のそれぞれに形成されることを特
徴とする請求項１又は２記載の生体モニタ装置。3. The living body monitoring apparatus according to claim 1, wherein the electrode arm portion is formed on each of the outermost support portions of the support portion.
は、５ｃｍ〜１５ｃｍの範囲内に設定されることを特徴
とする請求項１〜３のいずれか一つに記載の生体モニタ
装置。4. The biological monitoring device according to claim 1, wherein the distance between the common electrode and the contact electrode is set within a range of 5 cm to 15 cm.
体側側面であって、前記支持部間に設けられると共に、
前記支持部が跨る衣類によって前記生体と非接触である
ことを特徴とする請求項１〜４のいずれか一つに記載の
生体モニタ装置。5. The non-contact electrode is provided on the living body side surface of the main body case between the support portions,
The living body monitoring apparatus according to any one of claims 1 to 4, wherein the living body is not in contact with the living body by the clothes that the support portion straddles.
けられる支持部と、前記接触電極が設けられる支持部と
の間に位置する支持部に設けられ、該接触電極と生体と
の間に非導電部が形成されることを特徴とする請求項１
〜４のいずれか一つに記載の生体モニタ装置。6. The non-contact electrode is provided in a support portion located between a support portion where the common electrode is provided and a support portion where the contact electrode is provided, and the non-contact electrode is provided between the contact electrode and a living body. The non-conductive portion is formed, and
The biological monitoring device according to any one of 1 to 4.
には、温度センサが設けられることを特徴とする請求項
１〜６のいずれか一つに記載の生体モニタ装置。7. The living body monitoring apparatus according to claim 1, wherein a temperature sensor is provided at a portion of the support portion that comes into contact with one living body.
を検出する体位検出手段が形成されることを特徴とする
請求項１〜７のいずれか一つに記載の生体モニタ装置。8. The living body monitoring apparatus according to claim 1, wherein body position detecting means for detecting a three-dimensional movement of a living body is formed on the main body case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002083013A JP4131372B2 (en) | 2002-03-25 | 2002-03-25 | Biological monitor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002083013A JP4131372B2 (en) | 2002-03-25 | 2002-03-25 | Biological monitor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003275185A true JP2003275185A (en) | 2003-09-30 |
| JP4131372B2 JP4131372B2 (en) | 2008-08-13 |
Family
ID=29206815
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002083013A Expired - Fee Related JP4131372B2 (en) | 2002-03-25 | 2002-03-25 | Biological monitor device |
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| Country | Link |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2421082A (en) * | 2004-12-07 | 2006-06-14 | Draeger Safety Ag & Co Kgaa | Protective apparel having contactless physiological sensing electrodes |
| JP2006187615A (en) * | 2005-01-03 | 2006-07-20 | Shimano Inc | Heart rate monitor |
| WO2009015552A1 (en) * | 2007-08-02 | 2009-02-05 | Jiankang Wu | Body sign dynamically monitoring system |
| JP2009519739A (en) * | 2005-12-19 | 2009-05-21 | 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 | Monitoring device for monitoring a user's heart rate and / or heart rate variability, and a wristwatch having such a monitoring device |
| JP2011508500A (en) * | 2007-12-20 | 2011-03-10 | 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 | Capacitance detection and communication |
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