JP2004351107A - Portable medical measuring instrument - Google Patents

Portable medical measuring instrument Download PDF

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Publication number
JP2004351107A
JP2004351107A JP2003155285A JP2003155285A JP2004351107A JP 2004351107 A JP2004351107 A JP 2004351107A JP 2003155285 A JP2003155285 A JP 2003155285A JP 2003155285 A JP2003155285 A JP 2003155285A JP 2004351107 A JP2004351107 A JP 2004351107A
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Japan
Prior art keywords
finger
groove
measurement
portable medical
display
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JP2003155285A
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Japanese (ja)
Inventor
Yuuki Murayama
勇樹 村山
Ryohei Tanaka
良平 田中
Shoji Yokota
昭二 横田
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MORIRIKA KK
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MORIRIKA KK
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Priority to JP2003155285A priority Critical patent/JP2004351107A/en
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  • 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

<P>PROBLEM TO BE SOLVED: To provide a portable medical measuring instrument which can be handled with one hand and has a compact size, and with which stable measurement is made possible while being hardly affected by disturbance light and without giving a discomfort of catching a finger to be examined therewith and being affected by the thickness of the finger to be examined. <P>SOLUTION: The instrument comprises sensors (2a), (2b) in which a groove (11e) formed to be abutted on the palm side of the middle finger or the fourth finger of an examinee, a left wing (11a) and a right wing (11b) formed to be abutted on the back side of both neighboring fingers are integrally formed, and each of which is composed of a light emitting part and a light receiving part disposed on the surface of the groove (11e), any one of or both the left wing (11a) and the right wing (11b) comprise displays (3), (4) for indicating the measured result. At least a degree of saturation of arterial blood oxygen is measured by the sensors. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、動脈血酸素飽和度や脈拍数等の測定装置に関し、特に、操作が容易で、測定に個人差の生じない携帯式医療用測定装置に関する。
【0002】
【従来の技術】
従来は、動脈血酸素飽和度や脈拍数等を測定するための医療用の測定装置として、表示器を有する測定装置本体に、被検査体である指に装着するセンサが内臓されたプローブを、コードで繋いだ測定装置が一般的であった。さらに、近年、測定回路を構成する素子の小型化に伴い、たとえば、特表平10−502268号公報や、特開2001−17404号公報に示されるように、センサと表示器とが一体になった独立型の測定装置が開発されている。
【0003】
特表平10−502268号公報に記載された測定装置では、第1ハウジングおよび第2ハウジングを、スプリングで付勢して、離接可能に一体化し、2つのハウジングにより被検査指を狭持し、いわゆるクリップ式構造が採用している。センサは、第1ハウジングに取り付けられた発光体と、第2ハウジングに取り付けられた受光体とからなり、被検査指を透過した光を測定することにより、動脈血酸素飽和度や、脈拍数等を計測可能とする。測定結果は、第1ハウジングに取り付けられた表示器に示される。
【0004】
特開2001−17404号公報に記載された測定装置では、ハウジングに指挿入孔が開けられ、指挿入孔に挿入した指と、親指とにより本体を保持し、かつ、親指で操作できるメインスイッチを本体に備え、いわゆる指挿入式構造を採用している。一対の発光体と受光体とから構成されるセンサは、指挿入孔の上部と下部とに対峙して取り付けられ、被検査指を透過した光を測定することにより、動脈血酸素飽和度や脈拍数等を測定することができる。測定結果は、ハウジングに取り付けられた表示器に示される。
【0005】
しかしながら、いわゆるクリップ式構造では、被検査指への装着をスプリングの付勢によって行っており、スプリングの付勢力の設定次第では、指の太さや状態により圧迫感を感じる可能性もあり、快適な測定作業を行うことができないという問題点があった。
【0006】
また、いわゆる指挿入式構造では、指挿入孔の大きさにより、測定できる指の太さが限られてしまい、また、指挿入孔に被検査指を挿入する構造上、センサと被検査指との間に、間隙ができることから、外乱光に影響され、安定した測定ができないという問題があった。また、表示器がハウジングの片面に位置するため、一方の手で測定した場合には、表示器が見えて、他方で手で測定した場合には、表示器が見えなくなるという問題があった。さらに、指挿入式のため、被検査者が意図的に保持しなければならないという問題もあった。
【0007】
さらに、クリップ式構造および指挿入式構造の双方とも、指先部分で測定を行う構造となっているために、被検査指にマニキュアが塗られていたり、マニキュア以外のネールアートが施されていたり、爪が長いなどのように、障害がある場合には、測定が困難になるという問題があった。
【0008】
【特許公報1】
特表平10−502268号公報
【0009】
【特許公報2】
特開2001−17404号公報
【0010】
【発明が解決しようとする課題】
本発明は、片手で扱うことができ、コンパクトな大きさで、外乱光に影響され難く、被検査指が挟まれるという不快感を与えず、かつ、被検査指の太さに影響されず、安定した測定が可能な携帯式医療用測定装置を提供することを目的とする。
【0011】
【課題を解決するための手段】
本発明の携帯式医療用測定装置は、被検査者の中指または薬指のいずれかの指の掌側に当接するように形成される溝と、前記指の両隣の指の甲側にそれぞれ当接するように形成される左翼部および右翼部とが、一体に形成され、前記溝の面上に配置される発光部および受光部からなるセンサを備え、前記左翼部および右翼部の片方かまたは両方に、測定結果を表示する表示器を備える。
【0012】
したがって、全体の形状は、側面から見て波型ないしは両翼を備えた逆W字状に形成される。
【0013】
前記センサにより、少なくとも動脈血酸素飽和度を測定する。
【0014】
さらに、溝に載せた指で測定装置を操作できるように、溝にメインスイッチを備えることが望ましい。
【0015】
また、測定値が、予め設定された数値範囲を逸脱する時に、音または音声を発する音声装置を備えることが望ましい。
【0016】
【発明の実施の形態】
図1は、本発明に係る携帯式医療用測定装置の1実施例を示しており、それおぞれ(a)は斜視図、(b)は平面図、(c)は背面図である。図1(b)の中央の濃い部分(11e)は、図面の奥側に凹んでおり、図1(c)の中央の濃い部分(11f)は、図面の手間側に突出している。図2は、制御回路のブロック図であり、図3(a)は、左手で測定する状態を示す斜視図である。
【0017】
図示した本発明の携帯式医療用測定装置の実施態様では、左手で測定するのであれば、中指の付け根付近の掌側に当接するように形成される溝(11e)と、薬指に載せられるように形成される左翼部(11a)と、人差し指に載せられるように形成される右翼部(11b)とが、一体に形成され、前記溝(11e)の面上に配置される発光部および受光部からなるセンサ(2a)、(2b)を備え、前記左翼部(11a)および右翼部(11b)の両方に、測定結果を表示する表示器(3)、(4)を備える。さらに、溝(11e)に載せた指で操作可能となるように、溝(11e)の最深部に自動復帰式の押圧式メインスイッチ(14)を備える。
【0018】
具体的な構造としては、図1に示すように、細長い板状で中央にV形あるいはU形の窪みを設けた形状に、表示器(3)、(4)、センサ(2a)、(2b)、を備えた正面側のケーシングと、背面側のケーシングを組み合わせる。背面側のケーシングの一端は、作動電源となる電池を装填したり、取り出したりするために、内部の電池ホルダーを覆う蓋(11c)であり、該蓋(11c)は、指で容易に着脱可能な公知の構造で取り付けられる。さらに、背面側のケーシングの他端に、ストラップ(手紐)用の取付け部(11d)を形成する。該取付け部(11d)は、同じ面に両端が開口する貫通孔でよい。この取付け部(11d)にストラップを取り付けることで、手や首にぶら下げて簡単に持ち運ぶことができ、あるいは、ストラップによりフック等に下げて保管することが可能である。
【0019】
内部には、図2にブロック図を示した制御回路を内蔵する。制御回路は、音声装置(6)、ROM(7)、前記表示器(3)、(4)、前記センサ(2a)、(2b)、前記メインメインスイッチ(14)、電源部と、これらを制御する制御装置(5)とからなる。また、側面に、制御装置(5)に接続した情報出力用の出力端子(18)を配置してもよい。なお、メインスイッチ(14)として、押圧式の代わりに、指の近接あるいは接触を検知する公知技術のセンサを設けてもよい。さらに、他の指で操作可能な位置に設けてもよい。
【0020】
前記出力端子(18)を介して、外部のコンピュータやプリンタに、測定情報を出力可能なソフトウェアを制御回路に備える。これにより、外部のコンピュータで日々の測定結果を蓄積することにより、長期にわたる健康管理情報として利用することも可能である。また、外部のプリンタにより、測定結果を印刷した紙を記録として保管することもできる。このように測定情報を出力することで、利用範囲を広げることが可能となる。
【0021】
センサ(2a)、(2b)は、発光部と受光部とが一組として構成され、被検査対象指(F1)に照射し反射したり、透過した光の変化を検知する。発光部としては、たとえばLED(King Bright社製、型式KA)を採用でき、受光部としては、たとえばフォトダイオード(モリリカ社製、型式MBC−3026R)を採用できる。測定された光の変化を、制御装置(5)で演算し、脈拍数、動脈血酸素飽和度および脈拍レベルを演算する。脈拍数および動脈血酸素飽和度の演算アルゴリズムは、周知の技術により行う。脈拍レベルは、脈拍の強弱を意味し、適当に決定する。制御装置(5)には、たとえばマイクロコンピューター(日立社製、型式HDシリーズ)を採用できる。
【0022】
本発明の携帯式医療用測定装置は、図3に示したように、たとえば左手の中指を被検査対象指(F1)として測定する。被検査対象指(F1)は、前述のように、人差し指および中指のいずれでもよい。測定は、被検査対象指(F1)の掌側でメインスイッチ(14)を押すことにより開始し、表示器(3)、(4)を起動する。同時に、前述のように脈拍数、動脈血酸素飽和度および脈拍レベルを演算して、表示器(3)、(4)に表示する。さらに、メインスイッチ(14)が再び押されたり、予め設定した一定の時間の経過後に、表示器(3)、(4)を停止するようなプログロムのソフトウェアを内蔵する。
【0023】
本発明のセンサ(2a)、(2b)は、外乱光を受けにくい状態で設置が可能であるが、さらに、外乱光ノイズ防止のために、センサ(2a)、(2b)を囲む溝(11e)部を光の透過し難い材料、たとえば、ガラスフィラー入りポリカーボネート(PE)樹脂等で覆い、遮光性の高い色の塗料や、被膜の厚い塗料で塗装してもよい。あるいは、センサ(2a)、(2b)を溝(11e)部の表面から窪ませてもよい。
【0024】
表示器(3)、(4)は、2桁の動脈血酸素飽和度表示欄(3a)、3桁の脈拍数表示欄(4b)、○マークからなる脈拍レベル表示欄(4c)が表示可能となるように設計した液晶表示器を使用する。なお、表示器は、一方に1つでもよい。
【0025】
音声装置(6)は、表示器(8)の起動および停止に合わせて、確認音または音声を発生させたり、測定中に脈拍のタイミングで動作音を発生させる。音声装置(6)には、たとえばブザー(村田製作所製、型式7BB)を採用できる。
【0026】
ROM(7)は、たとえばマイコン(日立社製、型式H8/300L)を採用でき、前述のような動作を制御装置(5)が実行可能な制御プログラムを記憶する。
【0027】
図3は、左手に装着した例を示す斜視図である。本発明の携帯式医療用測定装置を装着し、メインスイッチ(14)を押すと、前述のように、確認音とともに表示器(3)、(4)が起動し、脈拍に合った動作音の後、測定された脈拍数、動脈血酸素飽和度および脈拍レベルが、表示器(3)、(4)に表示される。表示は、装着している間、継続され、一定時間後に表示が消える。あるいは、メインスイッチ(14)を再び押して、表示を消す。
【0028】
さらに、ROM(7)に、正常な動脈血酸素飽和度の範囲および脈拍数の範囲を記憶させておき、測定値がこの範囲を逸脱した時には、音声装置(6)により警告音または音声を発生させるようにしてもよい。
【0029】
以上、説明したように、本発明に係る携帯式医療用測定装置は、少なくとも3本の指の間に、互い違いに挟み込むだけで、測定および表示が自動的に開始および終了し、意識して保持する必要がなく、測定の個人差を生じることがない。被検査者にとっても取扱いやすく、利便性が高い。
【0030】
また、本発明は、動脈血酸素飽和度および脈拍数の測定以外でも、血圧や他の医療検査用の数値を測定する装置としてもよいことは無論である。この場合のセンサは、前述のような光学センサに限らず、たとえば、超音波センサ、圧力センサ、温度センサ、ガスセンサ、赤外線センサなどがある。
【0031】
【発明の効果】
以上、説明したように、本発明に係る携帯用測定装置は、少なくとも3本の指の間に、互い違いに挟み込むだけで、脈拍数、動脈血酸素飽和度および脈拍レベルが測定可能となる。さらに、装着状態のままでメインスイッチを押すことが可能であり、取扱い性に極めて優れる。
【0032】
さらに、被検査指が挟まれるという従来のような不快感を受けず、かつ、被検査指の太さに影響されない。したがって、被検査指の動きが制限されないことから、安定した測定値が得られ、測定による個人差を少なくすることが可能である。
【0033】
さらに、表示器の起動および停止を自動化することが可能であり、メインスイッチを省略することができ、忘れてしまいがちな操作手順を覚える必要がないという極めて顕著な利便性を得ることができる。
【0034】
また、指の間に挟み込むだけで測定が可能なことから、被検査者が保持する必要がなくなり、意識の無い被検査者の手に装着し、被検査指を他の人が上から押すことにより、メインスイッチを間接的に操作することができて、測定が可能となるなど、取扱い性に極めて優れる。
【0035】
また、指の付け根近くで測定を行う構造となっているために、被検査指にマニキュアが塗られていたり、マニキュア以外のネールアートが施されていたり、爪が長いように障害がある場合にも、測定が可能である。
【図面の簡単な説明】
【図1】(a)は本発明の1実施例を示す斜視図であり、(b)はその平面図、(c)はその背面図である。
【図2】本発明に係る1実施例における制御回路のブロック図である。
【図3】本発明に係る1実施例により左手で測定する状態を示す斜視図である。
【符号の説明】
2a、2b センサ
3、4 表示器
3a 動脈血酸素飽和度表示欄
4b 脈拍数表示欄
4c 脈拍レベル表示欄
5 制御装置
6 音声装置
7 ROM
11a 左翼部
11b 右翼部
11c 蓋
11d ストラップ用の取付け部
11e 溝
11f 山
14 メインスイッチ
18 出力端子
F1 被検査指
F2、F3 両隣の指
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a measuring device for measuring arterial oxygen saturation, pulse rate, and the like, and more particularly to a portable medical measuring device that is easy to operate and does not cause individual differences in measurement.
[0002]
[Prior art]
Conventionally, as a medical measuring device for measuring arterial blood oxygen saturation, pulse rate, etc., a probe having a built-in sensor attached to a finger, which is an object to be inspected, in a measuring device main body having a display, is coded. Measuring devices connected by were common. Furthermore, in recent years, with the miniaturization of the elements constituting the measurement circuit, for example, as disclosed in Japanese Patent Application Laid-Open No. 10-502268 and Japanese Patent Application Laid-Open No. 2001-17404, the sensor and the display are integrated. Independent measuring devices have been developed.
[0003]
In the measuring device described in Japanese Patent Application Laid-Open No. 10-502268, the first housing and the second housing are urged by a spring to be detachably integrated, and the finger to be inspected is held by the two housings. The so-called clip type structure is adopted. The sensor includes a light emitter attached to the first housing and a light receiver attached to the second housing. By measuring light transmitted through the finger to be inspected, the arterial blood oxygen saturation, the pulse rate, and the like are measured. It can be measured. The measurement result is shown on a display attached to the first housing.
[0004]
In the measuring device described in Japanese Patent Application Laid-Open No. 2001-17404, a finger insertion hole is formed in a housing, and a main switch that can hold a main body with a finger inserted in the finger insertion hole and a thumb and that can be operated with a thumb is provided. The body is equipped with a so-called finger insertion structure. Sensors composed of a pair of light emitters and light receivers are mounted opposite the upper and lower parts of the finger insertion hole, and measure the light transmitted through the finger to be inspected to obtain arterial oxygen saturation and pulse rate. Etc. can be measured. The measurement results are shown on a display attached to the housing.
[0005]
However, in the so-called clip type structure, the attachment to the finger to be inspected is performed by urging the spring, and depending on the setting of the urging force of the spring, there is a possibility that a feeling of oppression may be felt depending on the thickness and state of the finger, so that it is comfortable. There was a problem that the measurement operation could not be performed.
[0006]
Further, in the so-called finger insertion type structure, the thickness of the measurable finger is limited by the size of the finger insertion hole, and the structure in which the finger to be inspected is inserted into the finger insertion hole requires a sensor and a finger to be inspected. Since there is a gap between them, there has been a problem that stable measurement cannot be performed due to the influence of disturbance light. Further, since the display is located on one side of the housing, there is a problem that the display is visible when measured with one hand, and the display is not visible when measured with the other hand. Furthermore, there is a problem that the subject must intentionally hold the finger because of the finger insertion type.
[0007]
Furthermore, since both the clip type structure and the finger insertion type structure have a structure in which measurement is performed at the fingertip portion, nails are painted on the finger to be inspected, or nail art other than nail polish is applied, When there is an obstacle such as a long nail, there is a problem that the measurement becomes difficult.
[0008]
[Patent Publication 1]
Japanese Patent Publication No. Hei 10-502268
[Patent Publication 2]
JP 2001-17404 A
[Problems to be solved by the invention]
The present invention can be handled with one hand, has a compact size, is not easily affected by disturbance light, does not give the uncomfortable feeling that the inspected finger is pinched, and is not affected by the thickness of the inspected finger, An object of the present invention is to provide a portable medical measurement device capable of performing stable measurement.
[0011]
[Means for Solving the Problems]
The portable medical measurement device according to the present invention is configured such that a groove formed so as to abut on the palm side of either the middle finger or the ring finger of the subject, and a back side of the finger on both sides of the finger, respectively. The left wing portion and the right wing portion formed as described above are provided integrally with a sensor including a light emitting portion and a light receiving portion disposed on the surface of the groove, and one or both of the left wing portion and the right wing portion are provided. And a display for displaying the measurement results.
[0012]
Therefore, the entire shape is formed in a wave shape or an inverted W shape having both wings when viewed from the side.
[0013]
The sensor measures at least arterial oxygen saturation.
[0014]
Furthermore, it is desirable to provide a main switch in the groove so that the measuring device can be operated with a finger placed in the groove.
[0015]
Further, it is desirable to provide a sound device that emits a sound or a sound when the measured value deviates from a preset numerical range.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 shows one embodiment of a portable medical measuring device according to the present invention, wherein (a) is a perspective view, (b) is a plan view, and (c) is a rear view. The dark part (11e) at the center of FIG. 1B is recessed in the back of the drawing, and the dark part (11f) at the center of FIG. FIG. 2 is a block diagram of the control circuit, and FIG. 3A is a perspective view showing a state where measurement is performed with the left hand.
[0017]
In the illustrated embodiment of the portable medical measuring apparatus of the present invention, if the measurement is performed with the left hand, the groove (11e) formed so as to abut on the palm side near the base of the middle finger and the ring finger can be placed on the ring finger. A light emitting part and a light receiving part are formed integrally with a left wing part (11a) formed on the surface of the groove (11e) and a right wing part (11b) formed on the index finger. And sensors (2a) and (2b), and indicators (3) and (4) for displaying measurement results on both the left wing (11a) and the right wing (11b). Further, a push-type main switch (14) of an automatic return type is provided at the deepest portion of the groove (11e) so that the finger can be operated by a finger placed on the groove (11e).
[0018]
As a specific structure, as shown in FIG. 1, the display devices (3) and (4), the sensors (2a) and (2b) are formed in an elongated plate shape having a V-shaped or U-shaped recess in the center. ), And the casing on the front side with the casing on the back side. One end of the casing on the back side is a lid (11c) that covers an internal battery holder for loading and unloading a battery serving as an operation power supply, and the lid (11c) is easily detachable with a finger. It is attached by a well-known structure. Further, a mounting portion (11d) for a strap (hand string) is formed at the other end of the rear casing. The mounting portion (11d) may be a through hole having both ends opened on the same surface. By attaching a strap to this attachment portion (11d), it is possible to hang it around your hand or neck and carry it easily, or to store it by hanging it on a hook or the like with a strap.
[0019]
A control circuit whose block diagram is shown in FIG. 2 is built therein. The control circuit includes an audio device (6), a ROM (7), the indicators (3) and (4), the sensors (2a) and (2b), the main main switch (14), and a power supply unit. And a control device (5) for controlling. Further, an output terminal (18) for information output connected to the control device (5) may be arranged on the side surface. It should be noted that a sensor of a known technique for detecting proximity or contact of a finger may be provided as the main switch (14) instead of the pressing type. Further, it may be provided at a position operable by another finger.
[0020]
The control circuit is provided with software capable of outputting measurement information to an external computer or printer via the output terminal (18). This makes it possible to accumulate daily measurement results with an external computer and use it as long-term health management information. Further, the paper on which the measurement result is printed can be stored as a record by an external printer. By outputting the measurement information in this way, it is possible to expand the use range.
[0021]
The sensors (2a) and (2b) are configured as a pair of a light emitting unit and a light receiving unit, and irradiate the finger (F1) to be inspected and reflect the light, and detect a change in transmitted light. As the light emitting unit, for example, an LED (manufactured by King Bright, model KA) can be adopted, and as the light receiving unit, for example, a photodiode (manufactured by Moririka, model MBC-3026R) can be adopted. The change in the measured light is calculated by the control device (5), and the pulse rate, arterial oxygen saturation and pulse level are calculated. The calculation algorithm of the pulse rate and the arterial blood oxygen saturation is performed by a known technique. The pulse level means the strength of the pulse and is appropriately determined. For example, a microcomputer (manufactured by Hitachi, model HD series) can be used as the control device (5).
[0022]
As shown in FIG. 3, the portable medical measurement device of the present invention measures, for example, the middle finger of the left hand as the finger to be inspected (F1). The finger to be inspected (F1) may be either the index finger or the middle finger as described above. The measurement is started by pressing the main switch (14) on the palm side of the finger to be inspected (F1), and the indicators (3) and (4) are activated. At the same time, the pulse rate, arterial oxygen saturation and pulse level are calculated as described above and displayed on the indicators (3) and (4). In addition, there is built-in program software for stopping the indicators (3) and (4) after the main switch (14) is pressed again or a predetermined time elapses.
[0023]
The sensors (2a) and (2b) of the present invention can be installed in a state where they are hardly affected by disturbance light, but furthermore, a groove (11e) surrounding the sensors (2a) and (2b) for preventing disturbance light noise. The portion ()) may be covered with a material that does not easily transmit light, for example, a polycarbonate (PE) resin containing a glass filler or the like, and may be coated with a paint having a high light-shielding property or a paint having a thick coating. Alternatively, the sensors (2a) and (2b) may be recessed from the surface of the groove (11e).
[0024]
The indicators (3) and (4) can display a two-digit arterial blood oxygen saturation display field (3a), a three-digit pulse rate display field (4b), and a pulse level display field (4c) consisting of a circle. Use a liquid crystal display designed to be In addition, one display may be sufficient as one.
[0025]
The sound device (6) generates a confirmation sound or a sound in accordance with the start and stop of the display (8), or generates an operation sound at a pulse timing during measurement. As the audio device (6), for example, a buzzer (model 7BB, manufactured by Murata Manufacturing Co., Ltd.) can be used.
[0026]
The ROM (7) can employ, for example, a microcomputer (model H8 / 300L, manufactured by Hitachi, Ltd.) and stores a control program that can be executed by the control device (5) as described above.
[0027]
FIG. 3 is a perspective view showing an example of mounting on the left hand. When the portable medical measuring device of the present invention is mounted and the main switch (14) is pressed, the indicators (3) and (4) are activated together with the confirmation sound as described above, and the operation sound corresponding to the pulse is generated. Thereafter, the measured pulse rate, arterial oxygen saturation and pulse level are displayed on the indicators (3) and (4). The display continues while the display is worn, and disappears after a certain period of time. Alternatively, the main switch (14) is pressed again to turn off the display.
[0028]
Further, a normal arterial blood oxygen saturation range and a pulse rate range are stored in the ROM (7), and when the measured value deviates from these ranges, a warning sound or voice is generated by the voice device (6). You may do so.
[0029]
As described above, the portable medical measurement device according to the present invention automatically starts and ends measurement and display simply by alternately sandwiching it between at least three fingers, and consciously holds the measurement and display. There is no need to perform measurement, and there is no individual difference in measurement. It is easy to handle and convenient for the subject.
[0030]
In addition, it goes without saying that the present invention may be applied to a device for measuring blood pressure and other numerical values for medical examinations other than the measurement of arterial blood oxygen saturation and pulse rate. The sensors in this case are not limited to the optical sensors described above, and include, for example, an ultrasonic sensor, a pressure sensor, a temperature sensor, a gas sensor, an infrared sensor, and the like.
[0031]
【The invention's effect】
As described above, the portable measurement device according to the present invention can measure the pulse rate, arterial blood oxygen saturation, and pulse level simply by alternately sandwiching it between at least three fingers. Further, it is possible to press the main switch in the mounted state, and the handling is extremely excellent.
[0032]
In addition, there is no uncomfortable feeling that the finger to be inspected is pinched as in the related art, and the thickness of the finger to be inspected is not affected. Therefore, since the movement of the finger to be inspected is not restricted, a stable measurement value can be obtained, and individual differences due to the measurement can be reduced.
[0033]
Furthermore, the start and stop of the display can be automated, the main switch can be omitted, and extremely remarkable convenience that the operator does not need to learn operation procedures that are often forgotten can be obtained.
[0034]
In addition, since measurement can be performed simply by sandwiching between fingers, the examinee does not need to hold it, and it is worn on the unconscious examinee's hand and another person presses the examinee's finger from above. Thereby, the main switch can be operated indirectly, and the measurement can be performed.
[0035]
In addition, because the measurement is performed near the base of the finger, the finger to be inspected is painted with nail polish, nail art other than nail polish is applied, or there are obstacles such as long nails. Can also be measured.
[Brief description of the drawings]
1 (a) is a perspective view showing one embodiment of the present invention, FIG. 1 (b) is a plan view thereof, and FIG. 1 (c) is a rear view thereof.
FIG. 2 is a block diagram of a control circuit in one embodiment according to the present invention.
FIG. 3 is a perspective view showing a state in which measurement is performed with a left hand according to one embodiment of the present invention.
[Explanation of symbols]
2a, 2b Sensors 3, 4 Display 3a Arterial blood oxygen saturation display field 4b Pulse rate display field 4c Pulse level display field 5 Control device 6 Audio device 7 ROM
11a Left wing part 11b Right wing part 11c Lid 11d Strap attachment part 11e Groove 11f Mountain 14 Main switch 18 Output terminal F1 Fingers to be inspected F2, F3 Fingers on both sides

Claims (4)

被検査者の中指または薬指のいずれかの指の掌側に当接するように形成される溝と、前記指の両隣の指の甲側にそれぞれ当接するように形成される左翼部および右翼部とが、一体に形成され、前記溝の面上に配置される発光部および受光部からなるセンサを備え、前記左翼部および右翼部の片方または両方に、測定結果を表示する表示器を備える携帯式医療用測定装置。A groove formed so as to abut on the palm side of either the middle finger or the ring finger of the subject, and a left wing portion and a right wing portion formed so as to abut on the back sides of both adjacent fingers of the finger, respectively. A portable type comprising a sensor formed integrally and provided with a light emitting unit and a light receiving unit disposed on the surface of the groove, and one or both of the left and right wings including a display for displaying a measurement result. Medical measuring device. 前記センサにより、少なくとも動脈血酸素飽和度を測定する請求項1に記載の携帯式医療用測定装置。The portable medical measurement device according to claim 1, wherein the sensor measures at least arterial blood oxygen saturation. 溝にメインスイッチを備え、溝に当接させた指で操作を可能にした請求項1に記載の携帯式医療用測定装置。The portable medical measurement device according to claim 1, wherein a main switch is provided in the groove, and the operation can be performed by a finger in contact with the groove. 測定値が、予め設定された数値範囲を逸脱する時に、音または音声を発する音声装置を備える請求項1から3のいずれかに記載の携帯式医療用測定装置。The portable medical measuring device according to any one of claims 1 to 3, further comprising a sound device that emits a sound or a sound when the measured value deviates from a preset numerical range.
JP2003155285A 2003-05-30 2003-05-30 Portable medical measuring instrument Pending JP2004351107A (en)

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