WO1993012711A1 - Dispositif d'affichage pour systeme d'examen et de traitement medical - Google Patents

Dispositif d'affichage pour systeme d'examen et de traitement medical Download PDF

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Publication number
WO1993012711A1
WO1993012711A1 PCT/JP1992/001737 JP9201737W WO9312711A1 WO 1993012711 A1 WO1993012711 A1 WO 1993012711A1 JP 9201737 W JP9201737 W JP 9201737W WO 9312711 A1 WO9312711 A1 WO 9312711A1
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WIPO (PCT)
Prior art keywords
display
color
displayed
display device
data
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/JP1992/001737
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English (en)
French (fr)
Inventor
Yoshihiro Sakaguchi
Yoshio Kamishima
Kenji Nakamura
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.)
J Morita Manufaturing Corp
Century Medical Inc
Nellcor Inc
Original Assignee
J Morita Manufaturing Corp
Century Medical Inc
Nellcor Inc
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 J Morita Manufaturing Corp, Century Medical Inc, Nellcor Inc filed Critical J Morita Manufaturing Corp
Priority to AU31737/93A priority Critical patent/AU669346B2/en
Priority to EP93900415A priority patent/EP0619980A4/en
Priority to US08/256,157 priority patent/US5807246A/en
Publication of WO1993012711A1 publication Critical patent/WO1993012711A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
    • G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
    • G09G3/14—Semiconductor devices, e.g. diodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons

Definitions

  • the present invention relates to an improvement in a display device for displaying various data necessary for diagnosis and treatment in a medical device.
  • a display unit composed of a single-color display element such as an LED.
  • the display element is provided if the measured oxygen saturation of the patient is normal. The measurement value is displayed while it is lit, and when the value is out of the normal range, the measurement value is displayed while the display element blinks, so that the display is performed in a different manner.
  • the set value in the normal range is changed, the set value is displayed, but this display is either lit or flashing, and it is difficult to clearly distinguish it from the normal or abnormal display. There was also a problem that the possibility of misidentification was high. Disclosure of the invention
  • the present invention has been made in view of the above problems, and has as its object to provide a display device in a medical care device that displays contents to be displayed or states in an easily confirmable manner according to the state.
  • a multi-color display unit capable of displaying at least two colors, a display color and lighting or blinking are determined according to medical data to be displayed, and based on this determination.
  • An apparatus is provided.
  • a plurality of contents can be displayed according to the type of color even in a lighting state, and by adding a blink to this, the contents that can be further displayed are doubled. It can be displayed in a different manner. For example, if the multi-color display unit is two colors, four combinations of display colors and lighting or blinking are possible. It can be easily displayed in different modes.
  • FIG. 1 is a block diagram of a medical device provided with a display device according to an embodiment of the present invention
  • FIG. 2 is a diagram showing the configuration of the display unit of the embodiment
  • FIG. 3 is a control circuit diagram of the embodiment
  • FIG. 4 is a flowchart of the operation procedure of the embodiment. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 is a block diagram of a medical treatment apparatus incorporating the display device of the embodiment
  • FIG. 2 is a diagram showing an example of the configuration of a display unit
  • FIG. 3 is a control circuit diagram thereof
  • FIG. 4 is a flowchart of an operation procedure. It is. Note that the present invention is not limited to the above-described pulse oximeter, but can be appropriately applied to various medical devices.
  • the microcomputer is used for the control unit. However, the control unit can be configured without using the microcomputer.
  • reference numeral 1 denotes a multi-color display section including a display device 1a and a display element driving circuit 1b
  • reference numeral 2 denotes a microcomputer 2a, an external interface 1b, a speaker driving circuit 2c, and a watch. Dog circuit 2d, etc.
  • the control unit 2e is the CPU of the microcomputer 2a, and the control unit 2 is for various controls such as display and digital communication with the outside, sound notification, input processing, and monitoring (runaway prevention) of the CPU 2e. I do.
  • Reference numeral 3 denotes a measuring unit including, for example, a sensor 3a for measuring oxygen saturation, pulse rate, etc., and an arithmetic circuit 3b for converting a signal from the sensor 3a into predetermined measurement data
  • reference numeral 4 denotes a numeric keypad.
  • Set value input section consisting of a switch and a rotary encoder, etc.
  • reference numeral 5 is an external digital I / O
  • reference numeral 6 is a speaker
  • reference numeral 7 is a power control circuit 7a, battery 7b, power transformer 7c. And the like.
  • the display device 1a is composed of a plurality of LED groups 11, 11,... Each of which is an aggregate of multi-color light-emitting LEDs, and each LED group 11 has eight red light-emitting LEDs.
  • LEDA, B, ..., G and P are combined with LEDs a, b, ..., g, and ⁇ for emitting green light at the same positions, and are arranged in the shape of the sun.
  • the switching signal S, from the CPU 2 e is decoded by the decoding circuit 12 of the display element driving circuit 1 b and the LED group 11 to be lit and the emission color of red or blue to be lit. : it is selected, or to light any Ereme emissions that make up a character of the day the data signal S 2 from the CPU 2 e is selected.
  • 13 is a source driver
  • 14 is a sink driver
  • 15 is a limiting resistor.
  • LED group 11, 11 is a predetermined time by a timer, for example, are re cut at 1.3 ms, after turning off the LED all the H level Te to base the data signal S 2 from the CPU 2 e, above the LED group 11
  • the selection is made by selecting the light emission color and the lighting element.
  • blinking is performed by turning off all the LED groups 11, 11,... At a constant cycle, and under these controls, a predetermined one of the LED groups 11 is lit in red or green, or blinks. To display data such as measured values.
  • FIG. (A) of FIG. 4 is a routine of the measuring section 3.
  • the analog signal from the sensor 3a is read by the arithmetic circuit 3b by the switch S1, and the oxygen saturation or the like is read by the switch S2.
  • the measured values such as the pulse rate are calculated and converted to digital signals, and the measured data is sequentially transmitted to the CPU 2e in step S3.
  • Steps SI 1 and below in FIG. 4 (b) are the routines of the CPU 2e.
  • step S11 the presence or absence of data transmission from the measurement unit 3 is determined. If the data has been transmitted, this is received (step S1). 12) If there is no transmission, proceed to the next step S13.
  • step S13 the presence or absence of an input from the set value input unit 4 is determined. If there is, the process proceeds to step S14, where the input set value is displayed in red, and in step S15, the set value is set to a new value. Be updated. If the set value is not input, the process proceeds to step S16, and the transmitted measurement data is compared with the set value to determine whether the measured value is within the normal range. If the measured value is normal, the process proceeds to step S17. In step S18, the measured value is displayed in green, and if not, the measured value is displayed in red in step S18. For example, an upper limit and a lower limit are input as set values, and the range between the upper and lower limits is defined as a normal range. If the measured value does not fall between the upper and lower limits, it is determined to be abnormal.
  • various medical data are displayed in three different modes, such as when the medical data is normal, the color is lit in red, when abnormal, the color is blinking in red, and when the set value is changed, the set value is lit in red.
  • the display mode is not the same even though the content or state to be displayed is different, which makes it easy to confirm the display and eliminates the possibility of misidentification.
  • the display device 1a is configured by a multicolor LED.
  • other multi-color display elements such as a multi-color display LCD can be used, and the display color can be changed to three colors instead of two colors, or multi-color display can be performed by combining three primary colors.
  • the blinking cycle can be made different so that it can be clearly distinguished, for example, by blinking in a short cycle, so that the display can be diversified by increasing the color or changing the blinking cycle. Can also be easily done.
  • the embodiment displays numerical values, it is possible to display various messages by using a display device that can also display characters and symbols other than numbers.
  • the present invention provides a multicolor display unit capable of displaying at least two types of colors, and displays colors and lighting states, that is, lights or blinks, according to medical data to be displayed. Is selected and displayed.Therefore, various contents can be displayed in different modes by combining the display color and the lighting state, and the display is viewed without being confused. It is easy to confirm the meaning of the display and the content of the display alone, and it is possible to improve the usability of the medical care device.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Computer Hardware Design (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Theoretical Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Description

明 細 書 診療装置における表示装置 技術分野
本発明は、 診療装置において診断や治療に必要な諸データを表示 する表示装置の改良に関する。 背景技術
各種の診療装置においては L E D等の単色表示素子で構成された表 示部が設けられており、 例えばパルスォキ シメ ータの場合には測定 された患者の酸素飽和度が正常であれば表示素子が点灯したままで 測定値が表示され、 正常範囲外の場合には表示素子が点滅しながら 測定値が表示される という ように、 異なる態様で表示が行われるよ う になつている。 また正常範囲の設定値を変更する場合には入力さ れた設定値が表示されるが、 この表示も点灯か点滅のいずれかであ つて正常時または異常時の表示との明確な区別が困難で紛らわし く . また誤認の可能性を高いという問題点があつた。 発明の開示
本発明はこれらの問題点に鑑み、 表示すべき内容あるいは状態に 応じてそれらを確認の容易な態様で表示する診療装置における表示 装置の提供を目的とする。
本発明によれば、 少な く と も 2種類の色による表示が可能な多色 表示部と、 表示すべき診療データに応じて表示色及び点灯か点滅か を決定する と共に、 こ の決定に基づいて上記多色表示部を駆動して 診療データを表示させる制御部、 とを備えた診療装置における表示 装置が提供される。
本発明によれば、 表示色を変えることにより点灯状態のままでも 色の種類に応じて複数の内容を表示でき、 これに点滅を加えること により更に表示できる内容が倍増され、 種々の内容をそれぞれ異な る態様で表示することが可能となる。 例えば、 多色表示部が 2色の 場合には表示色と点灯または点滅の組み合わせが 4通り可能であり. 診療データの正常時と異常時、 及び設定値変更時の 3種類の伏態を それぞれ異なる態様で表示することは容易にできる。 図面の簡単な説明
図 1 は本発明の一実施例の表示装置を設けた診療装置のプロック 図 ；
図 2は同実施例の表示部の構成を示す図 ；
図 3は同実施例の制御回路図 ；
図 4は同実施例の動作手順のフローチヤー トである。 発明を実施するための最良の形態
以下、 図示の一実施例について説明する。 図 1 は実施例の表示装 置が組み込まれた診療装置のプロッ ク図、 図 2は表示部の構成の一 例を示す図、 図 3はその制御回路図、 図 4は動作手順のフローチヤ ートである。 なお、 この発明は前述のパルスォキシメータに限られ るものではなく、 各種の診療装置に適宜実施できるものである。 ま た、 実施例では制御部にマイコンを用いているが、 マイコンを用い ないでも制御部を構成することは可能である。
図 1 において、 符号 1 は表示デバィス 1 a と表示素子駆動回路 1 bからなる多色表示部、 符号 2はマイコン 2 a、 外部ィン夕一フ エース 2 b、 スピーカー駆動回路 2 c、 ウ ォッチ ドッ グ回路 2 d等 からなる制御部、 2 eはマイ コ ン 2 aの CPUであり、 制御部 2 は表 示や外部とのデジタル通信、 音声による報知、 入力処理、 CPU2 e の監視 （暴走防止） 等の各種制御を行う。 符号 3は例えば酸素飽和 度や脈拍数等を測定するためのセンサ 3 a とこのセンサ 3 aからの 信号を所定の測定データに変換する演算回路 3 bからなる測定部、 符号 4 はテンキーのようなスィ ッチとロータ リエンコーダ等からな る設定値入力部、 符号 5 は外部デジタル Iノ 0、 符号 6 はスピーカ 一、 符号 7は電源制御回路 7 a、 バッテリ 7 b、 電源トラ ンス 7 c 等からなる電源部である。
図 2に示すように、 表示デバイス 1 aはそれぞれが多色発光 LED の集合体である複数の LED群 11， 11……で構成されており、 各 LED 群 11は 8個の赤色発光用の LEDA, B, ……， G及び Pに、 緑色発 光用の LEDa , b , …… , g及び ρをそれぞれ同位置に組み合わせ て日の字状に配置したものとなつている。 図 3のように、 CPU2 e からの切替信号 S , が表示素子駆動回路 1 bのデコ一 ド回路 12によ つてデコー ドされて点灯すべき LED群 11と点灯すべき赤または綠の 発光色とが選択され、 CPU2 eからのデータ信号 S 2 によって日の 字を構成するエレメ ン トのいずれを点灯するかが選択される。 なお、 13はソース ドライバ、 14はシンク ドライバ、 15は制限抵抗である。
LED群 11, 11……はタイマにより一定時間、 例えば 1.3msで切り 替えられており、 CPU2 eからのデータ信号 S 2 をすベて Hレベル として LEDを全部消灯した後、 上記の LED群 11と発光色の選択及び 点灯エレメ ン トの選択が行われて切り替えられる。 また点滅は一定 の周期で LED群 11， 11……を全部消灯するこ とによって行われるの であり、 これらの制御により LED群 11の所定のものが赤色または緑 色で点灯し、 あるいは点滅して測定値等のデータ.が表示される。
次にこのような表示制御の手順の一例を図 4 により説明する。 図 4の （ a ) は測定部 3のルーチンであり、 スィ ッチ S 1でセン サ 3 aからのアナ口グ信号を演算回路 3 bで読み取り、 スィ ッチ S 2で例えば酸素飽和度や脈拍数等の測定値を計算してディ ジタル信 号に変換し、 ステップ S 3で逐次 CPU 2 eに測定データを送信して いる。
図 4の （b ) のステップ S I 1以下は CPU 2 eのルーチンであり、 まずステップ S 11で測定部 3からのデータ送信の有無が判定され、 送信されていればこれを受信し （ステップ S 12) 、 送信がなければ そのままで次のステツプ S 13に進む。
ステップ S 13では設定値入力部 4からの入力の有無が判定され、 有ればステップ S 14に進んで入力された設定値が赤色の点灯で表示 され、 ステップ S 15で設置値が新しい値に更新される。 また設定値 の入力が無ければステツプ S 16に進み、 送信した測定データを設定 値と比較して測定値が正常範囲内であるか否かを判定し、 正常であ ればステップ S 17に進んで測定値が緑色の点灯で表示され、 正常で なければステップ S 18で測定値が赤色の点滅で表示される。 例えば 設定値として上限値と下限値を入力してその上下限の間を正常範囲 とし、 測定値が上下限の間に入らない場合を異常と判定する。
以上の動作によって、 各種の診療データが正常時には綠色の点灯、 異常時には赤色の点滅、 また設定値変更時には設定値が赤色の点灯 というように、. それぞれ異なる 3種類の態様で表示されるのであり、 表示の状態を見れば表示が何を意味しているかを明確に判断し、 且 つその時の数値を読み取ることができる。 すなわち、 表示すべき内 容あるいは状態が異なるのに表示の態様が同じであるということが なくなり、 表示の確認が容易になると共に誤認の可能性をなくすこ とができるのである。
なお、 実施例では表示デバイス 1 aを多色発光 LEDで構成してい るが、 多色表示 LCDなどの他の多色表示素子を用いることもできる, また表示色も 2色ではなく 3色とし、 あるいは 3元色を組み合わせ ることによって多色表示できるようにしたり、 更に異常の程度が大 きい場合に短い周期で点滅させるなど明確に区別できる程度に点滅 の周期を異ならせたりすることもでき、 色の増加や点滅周期の変化 によって表示の多様化に対応することも容易にできる。 また実施例 は数値を表示しているが、 数字以外の文字や記号も表示できる表示 デバイスを使用することにより、 各種のメ ッセ一ジなどの表示も可 能となる。
なお、 上述のような表示素子による正常と異常の表示と併せて、 スピーカー 6 により正常と異常の区別を付けた信号音や音声を発す るようにすれば、 更に明確な判断が可能となる。
以上の説明から明らかなように、 本発明は、 少なく とも 2種類の 色による表示が可能な多色表示部を設け、 表示すべき診療データに 応じて表示色及び点灯状態、 すなわち点灯か点滅かを選択して表示 するようにしたものであり、 従って、 表示色と点灯状態の組み合わ せにより種々の内容をそれぞれ異なる態様で表示することが可能と なり、 表示の紛らわしさをなく して見ただけで表示の意味とその内 容を確認することが容易となり、 診療装置の使いやすさを向上する ことができる。

Claims

1. 少なく とも 2種類の色による表示が可能な多色表示部と、 表 示すべき診療データに応じて表示色及び点灯か点滅かを決定すると 丑に、 この決定に基づいて上記多色表示部を駆動して前記診療デ_ タを表示させる制御部、 とを備えたことを特徴とする診療装置にお ける表示装置。
請
E
囲
PCT/JP1992/001737 1991-12-28 1992-12-28 Dispositif d'affichage pour systeme d'examen et de traitement medical Ceased WO1993012711A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU31737/93A AU669346B2 (en) 1991-12-28 1992-12-28 Display device in medical examination and treatment system
EP93900415A EP0619980A4 (en) 1991-12-28 1992-12-28 DISPLAY DEVICE FOR MEDICAL EXAMINATION AND TREATMENT SYSTEM.
US08/256,157 US5807246A (en) 1991-12-28 1992-12-28 Display device in medical examination and treatment system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP112931U JPH0569784U (ja) 1991-12-28 1991-12-28 診療装置における表示装置
JP3/112931U 1991-12-28

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WO1993012711A1 true WO1993012711A1 (fr) 1993-07-08

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US (1) US5807246A (ja)
EP (1) EP0619980A4 (ja)
JP (1) JPH0569784U (ja)
AU (1) AU669346B2 (ja)
CA (1) CA2126861A1 (ja)
WO (1) WO1993012711A1 (ja)

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AU669346B2 (en) 1996-06-06
CA2126861A1 (en) 1993-07-08
EP0619980A1 (en) 1994-10-19
AU3173793A (en) 1993-07-28
EP0619980A4 (en) 1995-03-29
US5807246A (en) 1998-09-15
JPH0569784U (ja) 1993-09-21

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