JP3204722B2 - Ultrasound diagnostic equipment - Google Patents
Ultrasound diagnostic equipmentInfo
- Publication number
- JP3204722B2 JP3204722B2 JP07903992A JP7903992A JP3204722B2 JP 3204722 B2 JP3204722 B2 JP 3204722B2 JP 07903992 A JP07903992 A JP 07903992A JP 7903992 A JP7903992 A JP 7903992A JP 3204722 B2 JP3204722 B2 JP 3204722B2
- Authority
- JP
- Japan
- Prior art keywords
- deviation rate
- deviation
- display
- control unit
- fetus
- 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.)
- Expired - Lifetime
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- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Processing Or Creating Images (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、医療用超音波診断装置
特に胎児発育診断機能の胎児発育状況表示を行う診断装
置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a medical ultrasonic diagnostic apparatus, and more particularly to a diagnostic apparatus for displaying a fetal growth status of a fetal growth diagnostic function.
【０００２】[0002]
【従来の技術】医療用超音波診断装置は、多くの場合、
胎児の超音波断層像から体格の代表部位の長さを計測
し、これから胎児の発育の正常／異常を診断するための
胎児発育診断機能を具備している。ここで代表部位と
は、頭部最大横径（以下、ＢＰＤと略す。）、頭でん長
（以下、ＣＲＬと略す。）、大腿骨長（以下、ＦＬと略
す。）などがある。2. Description of the Related Art Medical ultrasonic diagnostic apparatuses are often
It has a fetal growth diagnostic function for measuring the length of a representative part of the physique from an ultrasonic tomographic image of the fetus and diagnosing normal / abnormal development of the fetus based on the length. Here, the representative site includes a maximum head lateral diameter (hereinafter abbreviated as BPD), a head extension (hereinafter abbreviated as CRL), a femur length (hereinafter abbreviated as FL), and the like.
【０００３】胎児発育診断にはいくつかの方法がある
が、代表的な方法として、青木嶺夫博士らの方法があ
り、「胎児発育の診断」と題する論文（「産婦人科治
療」、Ｖｏｌ．４７ ＮＯ．５）（１９８３年１１月）
に詳述されている。本診断法では、あらかじめ、数多く
の胎児について代表部位を計測して胎児の年齢に当たる
妊娠週数ｔと代表部位の長さｄとの間の関係式ｆを統計
学的手法を用いて求めておき、これを診断のためのデー
タとして用いる。即ち、[0003] There are several methods for fetal growth diagnosis. As a typical method, there is a method by Dr. Mineo Aoki et al., And a paper entitled "Diagnosis of fetal growth"("Obstetrics and Gynecology Treatment", Vol. 47 NO.5) (November 1983)
In detail. In the present diagnostic method, representative sites are measured for a large number of fetuses in advance, and a relational expression f between the number of gestational weeks t corresponding to the age of the fetus and the length d of the representative site is determined in advance using a statistical method. This is used as data for diagnosis. That is,
【数１】ｄ＝ｆ（ｔ）## EQU1 ## d = f (t)
【数２】σd＝σf（ｔ） ここで、σfは、妊娠週数ｔにおける胎児の間の代表部
位の計測長のばらつき即ち標準偏差を与える。Σ d = σ f (t) Here, σ f gives the variation of the measurement length of the representative part between fetuses at the gestational age t, that is, the standard deviation.
【０００４】妊娠週数ｔにおけるある代表部位の計測値
がＤである胎児の発育は、次の偏差率Ｉ（即ち発育の標
準値からのずれ（Ｄ−ｆ（ｔ））の、標準偏差に対する
割合を示す値）を示す式[0004] The growth of a fetus whose measured value at a certain representative site is D in the number of weeks of gestation is the following deviation ratio I (ie, deviation from the standard value of growth (D-f (t)) with respect to the standard deviation: Expression that indicates the percentage)
【数３】Ｉ＝（Ｄ−ｆ（ｔ））／σf（ｔ） で評価できる。この場合、９０％の胎児は｜Ｉ｜≦１．
６７の範囲内にはいる。また、代表部位は、ＢＰＤ、Ｆ
Ｌなど幾種類もあるから、それぞれの偏差率の大きさを
一目で比較できると便利である。## EQU3 ## It can be evaluated by I = (D−f (t)) / σ f (t). In this case, 90% of the fetuses have | I | ≦ 1.
67. Representative sites are BPD, F
Since there are several types such as L, it is convenient to be able to compare the magnitudes of the deviation rates at a glance.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、従来の
超音波診断装置には、これらの複数の偏差率の値を一目
で比較できる表示法はなかった。However, in the conventional ultrasonic diagnostic apparatus, there is no display method capable of comparing these plurality of deviation rate values at a glance.
【０００６】従って、本発明の目的は、上記した胎児発
育診断法における複数の偏差率の値を一目で比較できる
診断装置を提供することである。Accordingly, it is an object of the present invention to provide a diagnostic apparatus which can compare a plurality of deviation rate values in the above-mentioned method for diagnosing fetal growth at a glance.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するた
め、本発明では、Ｎ種の代表部位の長さに関する偏差率
をそれぞれ同一スケールで比較するためのＮ本の偏差率
軸とそれらの原点を通る１本の原点ラインとを表示指示
する偏差率表示制御部と、Ｎ本の偏差率軸Ｉi上で｜Ｉi
｜≦α（αは正数）で与えられる正常範囲の上下限を示
す２本の直線を表示指示する正常限界線表示制御部と、
算出した偏差率の値を偏差率軸上にプロット指示する偏
差率プロット制御部を、医療用超音波診断装置に新たに
設けるようにした。In order to achieve the above object, according to the present invention, N deviation ratio axes for comparing the deviation ratios relating to the lengths of N representative portions on the same scale and their origins are provided. one and the deviation rate display control unit that displays instructing the origin line, N present deviation index axis on I i passing through the | I i
A normal limit line display control unit for instructing display of two straight lines indicating the upper and lower limits of a normal range given by | ≦ α (α is a positive number);
A deviation rate plot control unit for plotting the calculated value of the deviation rate on the deviation rate axis is newly provided in the medical ultrasonic diagnostic apparatus.
【０００８】[0008]
【作用】本発明は、複数の偏差率の値が、同一スケール
の、そして原点が同一直線上にある偏差率軸上でプロッ
トされているのでそれらの大小比較が容易である。更
に、正常限界線も表示されているので、胎児の発育状態
の正常／異常の診断が容易である。According to the present invention, since a plurality of deviation rate values are plotted on a deviation rate axis having the same scale and the origin being on the same straight line, their magnitudes can be easily compared. Furthermore, since the normal limit line is also displayed, it is easy to diagnose the normal / abnormal development of the fetus.
【０００９】[0009]
【実施例】以下、本発明の一実施例を図１により説明す
る。この超音波診断装置は、超音波計測部１、キーボー
ド２、中央処理部３、体格データメモリ４、胎児週数メ
モリ５、標準体格テーブルメモリ６、偏差率算出部７、
偏差率メモリ８、偏差率軸表示制御部９、正常限界線表
示制御部１０、偏差率プロット制御部１２、表示部１
３、より成る。超音波計測部１は、胎児を含む人体の超
音波観測を行い、胎児の体格を計測し、ＢＰＤ、ＦＬ等
の計測データを取得する。これらの計測は、超音波技師
の手を介してマンマシン的に行われる。当該超音波計測
部１は、キーボード２からの起動要求に従って、中央処
理部３により起動される。計測結果は体格データメモリ
４に格納される。An embodiment of the present invention will be described below with reference to FIG. This ultrasonic diagnostic apparatus includes an ultrasonic measuring unit 1, a keyboard 2, a central processing unit 3, a physique data memory 4, a fetal week number memory 5, a standard physique table memory 6, a deviation rate calculating unit 7,
Deviation rate memory 8, deviation rate axis display control section 9, normal limit line display control section 10, deviation rate plot control section 12, display section 1
Three. The ultrasonic measuring unit 1 performs ultrasonic observation of a human body including a fetus, measures the physique of the fetus, and acquires measurement data such as BPD and FL. These measurements are performed man-machinely through the hands of an ultrasonic engineer. The ultrasonic measurement unit 1 is started by the central processing unit 3 in response to a start request from the keyboard 2. The measurement result is stored in the physique data memory 4.
【００１０】また、妊婦の超音波診断時に、妊婦の最終
月経日（以下ではＬＭＰという）をキーボード２から入
力することにより、現在日付との差即ち胎児週数を中央
処理部３が算出し、胎児週数メモリ５に格納する。メモ
リ６は標準体格テーブルメモリである。前述した２つの
関数である（数１）、（数２）式を、ｔをキーとして検
索可能な数表として記憶する。偏差率算出部７は、キー
ボード２からの起動要求により、中央処理部３によって
起動される。起動されると、胎児週数メモリ５から胎児
週数ｔを取り込む。次に、ｔをキーとして、ＢＰＤ、Ｆ
Ｌ等の代表部位毎に標準体格テーブルメモリ６から（ｆ
（ｔ）、σf（ｔ））を読み出し、更に、ＢＰＤ、ＦＬ
等の計測データＤを体格データメモリ４から取り込み、
偏差率Ｉを（数３）により計算する。算出結果は、偏差
率メモリ８に格納される。Further, at the time of ultrasonic diagnosis of the pregnant woman, the central processing unit 3 calculates the difference from the current date, that is, the number of fetus weeks by inputting the last menstrual date (hereinafter referred to as LMP) of the pregnant woman from the keyboard 2; It is stored in the fetal week number memory 5. The memory 6 is a standard physique table memory. The two functions (Equation 1) and (Equation 2) described above are stored as a searchable number table using t as a key. The deviation rate calculation unit 7 is started by the central processing unit 3 in response to a start request from the keyboard 2. When activated, the fetal week number t is fetched from the fetal week number memory 5. Next, using t as a key, BPD, F
L from the standard physique table memory 6 for each representative part such as L
(T), σ f (t)), and further, BPD, FL
, Etc. from the physique data memory 4,
The deviation rate I is calculated by (Equation 3). The calculation result is stored in the deviation rate memory 8.
【００１１】偏差率軸表示制御部９は、Ｎ種の代表部位
に対応するＮ本の偏差率軸とそれらの原点を通る１本の
原点ラインとを表示装置１３に表示する。正常限界線表
示制御部１０は、Ｎ本の偏差率軸Ｉi（ｉ＝１、…、
Ｎ）上で｜Ｉi｜≦αで与えられる正常範囲の上下限を
示す２本の直線を表示装置１３に表示する。本実施例で
は原点ラインと区別するため点線で表示する。正常限界
値メモリ１１は、上記の正常限界値αを記憶する。αは
キーボード２から入力できるので可変である。偏差率プ
ロット制御部１２は、偏差率メモリ８から偏差率を取り
込み、表示部１３の偏率軸上にプロットし、表示する。The deviation rate axis display controller 9 displays on the display device 13 N deviation rate axes corresponding to the N types of representative portions and one origin line passing through the origins. The normal limit line display control unit 10 includes N deviation rate axes I i (i = 1,...,
N) On the display device 13, two straight lines indicating the upper and lower limits of the normal range given by | I i | ≦ α are displayed. In this embodiment, it is indicated by a dotted line to distinguish it from the origin line. The normal limit memory 11 stores the above normal limit α. Since α can be input from the keyboard 2, it is variable. The deviation rate plot control unit 12 takes in the deviation rate from the deviation rate memory 8 and plots and displays the deviation rate on the polarization axis of the display unit 13.
【００１２】図２は、本実施例における胎児発育現況表
示画面の概念図である。１４は、胎児の妊娠週数であ
る。１５は、ＣＲＬ、ＢＰＤ、ＦＬの３つの代表部位に
対する偏差率軸である。１６は、上記偏差率軸の原点を
通る原点ラインである。１７は、正常範囲の上下限を示
す２本の直線である。１８は、偏差率のプロット表示で
ある。本実施例ではバツ印“×”を用いているが、これ
は一例であり任意に選定できる。１９は、代表部位の名
称である。２０は、代表部位の計測値の数値表示であ
る。２１は、代表部位の計測値の偏差率の数値表示であ
る。本実施例では、偏差率軸１５、１６、１９は偏差率
軸表示制御部９の指示で表示され、正常範囲を示す２本
の直線１７は、正常限界線表示制御部１０の指示で表示
され、その他の表示１４、１８、２０、２１は偏差率プ
ロット制御部１２の指示で表示される。FIG. 2 is a conceptual diagram of a fetal growth status display screen in this embodiment. 14 is the gestational age of the fetus. Reference numeral 15 denotes a deviation rate axis with respect to three representative portions of CRL, BPD, and FL. Reference numeral 16 denotes an origin line passing through the origin of the deviation rate axis. Reference numeral 17 denotes two straight lines indicating the upper and lower limits of the normal range. 18 is a plot display of the deviation rate. In the present embodiment, crosses “x” are used, but this is an example and can be arbitrarily selected. 19 is the name of the representative part. Numeral 20 is a numerical display of the measured value of the representative part. 21 is a numerical display of the deviation rate of the measured value of the representative part. In the present embodiment, the deviation rate axes 15, 16, and 19 are displayed by the instruction of the deviation rate axis display control unit 9, and the two straight lines 17 indicating the normal range are displayed by the instruction of the normal limit line display control unit 10. , Other displays 14, 18, 20, 21 are displayed according to the instruction of the deviation rate plot control unit 12.
【００１３】尚、表示制御部９、１０、プロット制御部
１２は、中央処理部３の指示によってソフトウェアで実
現可能である。この場合、制御部９、１０、１２は、単
一の制御部で代替えし、画像メモリを内部に設け、この
メモリの中に偏差率軸、正常限界線、偏差率のプロット
化したもの、を格納し、これを表示部１３に表示させ
る。また、上記実施例では、体格の代表部位である長さ
に限定して説明したが、面積、体積、体重、その他の計
測についても同様に適用できる。The display control units 9 and 10 and the plot control unit 12 can be realized by software in accordance with an instruction from the central processing unit 3. In this case, the control units 9, 10, and 12 are replaced with a single control unit, and an image memory is provided therein. In this memory, a plot of the deviation rate axis, the normal limit line, and the deviation rate is plotted. It is stored and displayed on the display unit 13. Further, in the above-described embodiment, the description is limited to the length, which is the representative portion of the physique, but the present invention can be similarly applied to the measurement of the area, volume, weight, and the like.
【００１４】[0014]
【発明の効果】本発明によれば、複数種類の代表部位の
長さの偏差率の値が、同一スケールの、そして原点が整
列したそれぞれの偏差率軸上でプロット表示されるの
で、また、正常範囲の上下限が２本の直線で示されてい
るので胎児の発育状態の正常／異常の判別が容易であ
る。According to the present invention, the values of the deviation rates of the lengths of a plurality of types of representative portions are plotted and displayed on the respective deviation rate axes of the same scale and whose origins are aligned. Since the upper and lower limits of the normal range are indicated by two straight lines, it is easy to determine whether the fetal growth state is normal or abnormal.
【図１】本発明の一実施例のシステムブロック図であ
る。FIG. 1 is a system block diagram of one embodiment of the present invention.
【図２】本実施例における胎児発育現況表示画面の概念
図である。FIG. 2 is a conceptual diagram of a fetal growth status display screen in the present embodiment.
【符号の説明】 １ 超音波計測部 ２ キーボード ３ 中央処理部 ４ 体格データメモリ ５ 胎児週数メモリ ６ 標準体格テーブルメモリ ７ 偏差率算出部 ８ 偏差率メモリ ９ 偏差率軸表示制御部 １０ 正常限界線表示制御部 １１ 正常限界メモリ １２ 偏差率プロット制御部 １３ 表示部 １４ 妊娠週数表示 １５ 偏差率軸表示 １６ 原点ライン表示 １７ 正常範囲表示 １８ 偏差率プロット表示[Description of Signs] 1 Ultrasonic measurement unit 2 Keyboard 3 Central processing unit 4 Physique data memory 5 Fetal week number memory 6 Standard physique table memory 7 Deviation rate calculation unit 8 Deviation rate memory 9 Deviation rate axis display control unit 10 Normal limit line Display control unit 11 Normal limit memory 12 Deviation rate plot control unit 13 Display unit 14 Pregnancy week number display 15 Deviation rate axis display 16 Origin line display 17 Normal range display 18 Deviation rate plot display
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭58−22044（ＪＰ，Ａ) 特開 平２−11129（ＪＰ，Ａ) 特開 平３−261464（ＪＰ，Ａ) 田所義晃他、「当院における胎児 Ｂ ｉｐａｒｉｅｔａｌ Ｄｉａｍｅｔｅ ｒ，Ｆｅｍｕｒ Ｌｅｎｇｔｈ の発育 曲線」、北里医学、第18巻、第３号、第 267−274頁、昭和63年６月30日 (58)調査した分野(Int.Cl.7，ＤＢ名) A61B 8/00 - 8/15 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-58-22044 (JP, A) JP-A-2-11129 (JP, A) JP-A-3-26,164 (JP, A) Tadokoro Yoshiaki et al. Developmental Curve of Fetal Biparial Diameter, Femur Length at Our Hospital ", Kitasato Medical, Vol. 18, No. 3, pp. 267-274, June 30, 1988 (58) Fields surveyed (Int. . 7, DB name) A61B 8/00 - 8/15
Claims (1)
の計測部位の胎児の妊娠週数における標準値と標準偏差
を用いて、（計測値−標準値）／標準偏差で定義される
偏差率を算出、表示する機能を有する超音波診断装置に
おいて、計測する複数の部位の偏差率軸を同一スケール
でかつ座標原点が同一直線上に整列するように表示指示
すると共に、各偏差率軸において発育正常範囲の上下限
を示す機能を表示指示する正常限界線表示制御部と、算
出した偏差率の値を偏差率軸上にマークで指示する偏差
率プロット制御部と、上記正常限界線表示制御部と偏差
率プロット制御部との表示指示に従って画面上にその指
示内容を表示する表示部と、を設けた超音波診断装置。1. The body size of a fetus is measured on an ultrasonic image, and is defined as (measured value−standard value) / standard deviation using a standard value and a standard deviation of the fetus at the measurement site in the number of gestational weeks. In an ultrasonic diagnostic apparatus having a function of calculating and displaying a deviation rate, a display instruction is provided so that the deviation rate axes of a plurality of parts to be measured are on the same scale and the coordinate origins are aligned on the same straight line. A normal limit line display control unit for displaying and indicating a function indicating the upper and lower limits of the normal growth range, a deviation rate plot control unit for indicating the value of the calculated deviation rate with a mark on the deviation rate axis, and the normal limit line display. An ultrasonic diagnostic apparatus, comprising: a display unit that displays the content of an instruction on a screen in accordance with a display instruction from a control unit and a deviation rate plot control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07903992A JP3204722B2 (en) | 1992-02-28 | 1992-02-28 | Ultrasound diagnostic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP07903992A JP3204722B2 (en) | 1992-02-28 | 1992-02-28 | Ultrasound diagnostic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05237100A JPH05237100A (en) | 1993-09-17 |
| JP3204722B2 true JP3204722B2 (en) | 2001-09-04 |
Family
ID=13678780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP07903992A Expired - Lifetime JP3204722B2 (en) | 1992-02-28 | 1992-02-28 | Ultrasound diagnostic equipment |
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| Country | Link |
|---|---|
| JP (1) | JP3204722B2 (en) |
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|---|---|---|---|---|
| JP2006247206A (en) * | 2005-03-11 | 2006-09-21 | Matsushita Electric Ind Co Ltd | Ultrasonic diagnostic equipment |
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|---|---|---|---|---|
| US6306089B1 (en) * | 1999-09-24 | 2001-10-23 | Atl Ultrasound, Inc. | Ultrasonic diagnostic imaging system with customized measurements and calculations |
| JP2003265479A (en) * | 2002-03-18 | 2003-09-24 | Fukuda Denshi Co Ltd | Ultrasonograph |
| JP4696579B2 (en) * | 2005-02-08 | 2011-06-08 | パナソニック株式会社 | Ultrasonic diagnostic equipment |
| US20070249935A1 (en) * | 2006-04-20 | 2007-10-25 | General Electric Company | System and method for automatically obtaining ultrasound image planes based on patient specific information |
| JP5361184B2 (en) | 2007-12-25 | 2013-12-04 | 株式会社東芝 | Ultrasonic diagnostic apparatus, stress echo browsing apparatus, and stress echo browsing program |
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| Title |
|---|
| 田所義晃他、「当院における胎児 Ｂｉｐａｒｉｅｔａｌ Ｄｉａｍｅｔｅｒ，Ｆｅｍｕｒ Ｌｅｎｇｔｈ の発育曲線」、北里医学、第１８巻、第３号、第２６７−２７４頁、昭和６３年６月３０日 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006247206A (en) * | 2005-03-11 | 2006-09-21 | Matsushita Electric Ind Co Ltd | Ultrasonic diagnostic equipment |
| JP4599197B2 (en) * | 2005-03-11 | 2010-12-15 | パナソニック株式会社 | Ultrasonic diagnostic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05237100A (en) | 1993-09-17 |
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