JPS6148944B2 - - Google Patents
Info
- Publication number
- JPS6148944B2 JPS6148944B2 JP51069710A JP6971076A JPS6148944B2 JP S6148944 B2 JPS6148944 B2 JP S6148944B2 JP 51069710 A JP51069710 A JP 51069710A JP 6971076 A JP6971076 A JP 6971076A JP S6148944 B2 JPS6148944 B2 JP S6148944B2
- Authority
- JP
- Japan
- Prior art keywords
- cross
- storage device
- ultrasonic
- stored
- sectional
- 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
Links
- 238000012285 ultrasound imaging Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 2
- 238000001093 holography Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Description
【発明の詳細な説明】
本発明は、超音波映像装置に係わり特に一定範
囲で任意の断面像が得られる装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an ultrasonic imaging apparatus, and particularly to an apparatus capable of obtaining an arbitrary cross-sectional image within a certain range.
従来、一列に並べた複数の超音波振動子を、電
子的に順次駆動し超音波パルスを発射させ、再び
同一の振動子によつて受けた超音波の反射波を表
示装置のブラウン管上に並べ断面像を得るリニア
スキヤンの超音波装置が知られている。しかしこ
の種の装置で得られる像は、第１図のＡ−A′の
如く超音波振動子Ｔ１，Ｔ２，…Tnの超音波放
射面及び走査方向の面に対して垂直な面の断面像
に限られる。しかし、この面だけでなく例えばＢ
−B′又はＣ−C′の如くそれ以外の断面も得るこ
とができれば、特に超音波診断に際して便利であ
る。 Conventionally, multiple ultrasonic transducers arranged in a row are sequentially driven electronically to emit ultrasonic pulses, and the reflected waves of the ultrasonic waves received by the same transducers are arranged on a cathode ray tube of a display device. Linear scan ultrasonic devices that obtain cross-sectional images are known. However, the image obtained with this type of device is a cross-sectional image of a plane perpendicular to the ultrasonic emission plane of the ultrasonic transducers T1, T2, ...Tn and the plane in the scanning direction, as shown in A-A' in Fig. 1. limited to. However, in addition to this aspect, for example, B
It would be particularly convenient for ultrasonic diagnosis if other cross sections such as -B' or C-C' could also be obtained.
一方、超音波ホログラフイの手段を用いて生体
内の立体画像を得ることは知られているが、ホロ
グラフイでは距離分解能が悪く超音波パルスを用
いるパルスエコー法によつて得られる線に比して
画質が劣る。 On the other hand, it is known to obtain three-dimensional images inside a living body using ultrasonic holography, but holography has poor distance resolution and the image quality is lower than lines obtained by pulse echo method using ultrasonic pulses. is inferior.
また、Ｘ線又は超音波を被検体のあらゆる方向
から当て透過Ｘ線量を知り、電子計算機によつて
被検体の各部における吸収係数を求め任意の面の
断面像を再現する方法が知られている。しかし、
この方法により任意の断面像を得るには電子計算
機を必要とし、装置が大型且つ高価となる。 Another known method is to apply X-rays or ultrasonic waves from all directions of the object to determine the amount of transmitted X-rays, and use a computer to calculate the absorption coefficient of each part of the object and reproduce a cross-sectional image of any surface. . but,
Obtaining an arbitrary cross-sectional image using this method requires an electronic computer, making the device large and expensive.
本発明は、これら従来の装置の欠点に鑑みてな
されたもので、任意の断面の品質の良い映像を得
られる簡単且つ安価な超音波映像装置を提供する
ことを目的とする。 The present invention has been made in view of the drawbacks of these conventional devices, and it is an object of the present invention to provide a simple and inexpensive ultrasonic imaging device that can obtain high-quality images of arbitrary cross sections.
以下、本発明の実施例について説明する。第２
図はこの一実施例装置のブロツク図であり、１１
は超音波装置であり、例えば従来知られているリ
ニアスキヤンの電子走査型の装置である。ここで
得られる一断面の像（例えば第３図の実線で示し
た走査線a1〜a8からなる断面像）は第１記憶装置
１２に記憶される。超音波装置１１の複数の超音
波振動子が並設されてなるプローブは、第３図太
い矢印に示す如く駆動機構１３により並列に一定
距離ｌだけ移動させられ、その位置で再び一断面
の像（走査線b1〜b8からなる断面像）が得られ
る。このようにして複数の断面像が第１記憶装置
１２に記憶される。 Examples of the present invention will be described below. Second
The figure is a block diagram of this embodiment of the device.
is an ultrasonic device, for example, a conventionally known linear scan electronic scanning device. The image of one cross section obtained here (for example, the cross-sectional image consisting of scanning lines a 1 to a 8 indicated by solid lines in FIG. 3) is stored in the first storage device 12 . The probe, which is made up of a plurality of ultrasonic transducers arranged in parallel, of the ultrasonic device 11 is moved in parallel by a certain distance l by the drive mechanism 13, as shown by the thick arrow in FIG. A cross-sectional image consisting of scanning lines b 1 to b 8 is obtained. In this way, a plurality of cross-sectional images are stored in the first storage device 12.
尚、サーボ同期信号発生器１４は一断面の信号
の同期と一断面中の各走査線の信号の同期の為の
信号を挿入するものである。 The servo synchronization signal generator 14 inserts a signal for synchronizing the signals of one section and the signals of each scanning line in one section.
このようにして第１記憶装置１２に入れられた
複数の断面像（例えば第４図のＡ〜Ｈ）は外部か
らの指示信号により選択回路１５において、各断
面像の所定位置の走査線の映像信号（例えば第４
図のa1，b2，c3…h8）が選択され第２記憶装置１
６に記憶される。即ち第２記憶装置１６において
超音波装置１１において得られなかつた断面像が
新たに合成されることになる。こうして合成され
た断面像は表示回路１７において表示される。例
えば選択回路１５において上述のようにa1，b2，
c3，…h8の走査線の信号により一断面が合成され
れば第５図に示Ｄ−D′面の断面像が得られる。
必要とする断面像の傾斜角が小さい場合には、例
えば第５図において、a1，a2，a3，b4，b5，b6…
のように選択することもできる。 A plurality of cross-sectional images (for example, A to H in FIG. 4) stored in the first storage device 12 in this manner are processed into a selection circuit 15 according to an external instruction signal, and an image of a scanning line at a predetermined position of each cross-sectional image is stored. signal (e.g. 4th
a 1 , b 2 , c 3 ...h 8 ) in the figure are selected and stored in the second storage device 1.
6 is stored. That is, the cross-sectional images that were not obtained in the ultrasound device 11 are newly synthesized in the second storage device 16. The cross-sectional image thus synthesized is displayed on the display circuit 17. For example, in the selection circuit 15, a 1 , b 2 ,
If one cross section is synthesized using the signals of the scanning lines c 3 , .
When the required inclination angle of the cross-sectional image is small, for example in FIG. 5, a 1 , a 2 , a 3 , b 4 , b 5 , b 6 . . .
You can also select as follows.
第１記憶装置１２、第２記憶装置１６として磁
気シートを用いる例をとり更に具体的に説明す
る。この場合、磁気シートの回転同期を与える為
のサーボ同期信号と、断面情報を選択しながら再
びとり出す時の便利の為水平同期信号をサーボ同
期信号発生器１４からビデオ信号（超音波映像信
号）に加えてから磁気シートに記憶する。 An example in which magnetic sheets are used as the first storage device 12 and the second storage device 16 will be explained in more detail. In this case, a servo synchronization signal for synchronizing the rotation of the magnetic sheet and a horizontal synchronization signal for convenience when re-extracting cross-sectional information are sent to the servo synchronization signal generator 14 as a video signal (ultrasonic video signal). and then memorize it on a magnetic sheet.
但し、ここで磁気シート１トラツクの記憶に要
する時間は１断面の信号を得る時間以上でなけれ
ばならない。このようにして１断面のビデオ信号
が磁気シート内に記憶されると複数の超音波振動
子からなる超音波探触子（プローブ）は走査方向
と垂直な方向にｌだけ移動された位置で新たな断
面像の信号が得られこの断面像のビデオ信号はサ
ーボ同期信号発生器１４により同期信号を加えら
れ再び第１記憶装置１２の磁気シートの上記断面
像が記憶されたのと異なるトラツクに記憶され
る。以下同様にして複数の断面像が磁気シートに
記憶される。ここで各断面の間隔ｌは超音波振動
子から放射される超音波ビーム幅又はそれ以下に
することが望ましい。 However, the time required to memorize one track of the magnetic sheet must be longer than the time required to obtain the signal of one cross section. When the video signal of one cross section is stored in the magnetic sheet in this way, the ultrasonic probe, which consists of multiple ultrasonic transducers, is moved to a new position by l in the direction perpendicular to the scanning direction. A signal of a cross-sectional image is obtained, and a video signal of this cross-sectional image is added with a synchronization signal by the servo synchronization signal generator 14 and is stored again in the first storage device 12 in a different track in which the cross-sectional image of the magnetic sheet is stored. be done. Thereafter, a plurality of cross-sectional images are stored on the magnetic sheet in the same manner. Here, it is desirable that the interval 1 between each cross section be equal to or less than the width of the ultrasonic beam emitted from the ultrasonic transducer.
このようにして第１記憶装置の磁気シートには
断面B1，B2，…ＢNの像が記憶される。これらの
各断面はＭ本の走査線から構成されており磁気シ
ートに納められたＮ枚の断面のビデオ信号は立体
的な情報となつている。 In this way, images of cross sections B 1 , B 2 , . . . BN are stored in the magnetic sheet of the first storage device. Each of these cross sections is composed of M scanning lines, and the video signals of the N cross sections stored in the magnetic sheet are three-dimensional information.
このＮ枚の断面像から所定位置の走査線のビデ
オ信号が選択回路１５において選択され別の第２
記憶装置１６である磁気シートに記憶され表示回
路１７に表示される。 A video signal of a scanning line at a predetermined position is selected from these N cross-sectional images in a selection circuit 15 and a second
The information is stored in a magnetic sheet, which is a storage device 16, and displayed on a display circuit 17.
以上説明したように、本発明によれば超音波パ
ルスを用いて得た複数の断面像からこれらの断面
像にはない品質の良好な新たな断面像を簡単に得
ることができる。本発明は生体の動きの少ない腹
部及び産料等の診断に特にその威力を発揮するも
のであり、一且記憶された生体情報の再構成なる
手段を採つているため、再び新たに被検者を検査
することなく必要に応じて診断が可能である。 As explained above, according to the present invention, it is possible to easily obtain a new cross-sectional image with good quality that is not present in a plurality of cross-sectional images obtained using ultrasonic pulses. The present invention is particularly effective in diagnosing areas such as the abdomen and raw materials that have little movement in living bodies, and since it employs a method of reconfiguring stored biological information, it is possible to Diagnosis can be made as needed without testing.
尚、本発明は医用の分野だけでなく超音波によ
り映像を得るものに全て適用することができる。 Incidentally, the present invention can be applied not only to the medical field but also to anything that obtains images using ultrasound.
第１図は従来の超音波映像装置によつて得られ
る断面を説明する為の図、第２図は本発明一実施
例の回路構成図、第３図乃至第５図は第２図の装
置によつて得られる断面像を説明する為の図であ
る。
１１……超音波装置、１２……第１記憶装置、
１３……駆動機構、１４……サーボ同期信号発生
器、１５……選択回路、１６……第２記憶装置、
１７……表示回路。
Fig. 1 is a diagram for explaining a cross section obtained by a conventional ultrasound imaging device, Fig. 2 is a circuit diagram of an embodiment of the present invention, and Figs. 3 to 5 are the apparatus shown in Fig. 2. FIG. 3 is a diagram for explaining a cross-sectional image obtained by. 11... Ultrasonic device, 12... First storage device,
13... Drive mechanism, 14... Servo synchronization signal generator, 15... Selection circuit, 16... Second storage device,
17...Display circuit.
Claims (1)
数の位置の断面像をそれぞれ得る手段と、この手
段により得られた前記複数の断面像を記憶する第
１の記憶装置と、この記憶装置に記憶されている
前記複数の断面像からそれぞれ任意の一部の信号
を選択して取り出す選択回路と、この選択回路に
よりそれぞれ取り出された信号を合成し新たな断
面像として記憶する第２の記憶装置と、この第２
の記憶装置に記憶された前記合成断面像を読み出
して表示する表示回路とを具備することを特徴と
する超音波映像装置。1 means for operating an ultrasonic transducer to obtain cross-sectional images at a plurality of different positions of a subject; a first storage device for storing the plurality of cross-sectional images obtained by this means; a selection circuit that selects and extracts an arbitrary part of each of the plurality of stored cross-sectional images, and a second storage device that combines the signals extracted by the selection circuit and stores the synthesized signal as a new cross-sectional image. And this second
An ultrasound imaging apparatus comprising: a display circuit that reads out and displays the composite cross-sectional image stored in a storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6971076A JPS52154288A (en) | 1976-06-16 | 1976-06-16 | Ultrasonic video device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6971076A JPS52154288A (en) | 1976-06-16 | 1976-06-16 | Ultrasonic video device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52154288A JPS52154288A (en) | 1977-12-21 |
| JPS6148944B2 true JPS6148944B2 (en) | 1986-10-27 |
Family
ID=13410653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6971076A Granted JPS52154288A (en) | 1976-06-16 | 1976-06-16 | Ultrasonic video device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS52154288A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5496285A (en) * | 1978-01-13 | 1979-07-30 | Sanyo Electric Co | Ultrasonic diagnosing device |
| JPS5737774Y2 (en) * | 1978-01-13 | 1982-08-20 |
-
1976
- 1976-06-16 JP JP6971076A patent/JPS52154288A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52154288A (en) | 1977-12-21 |
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