JPH05161649A - Ultrasonic probe for coelomic use - Google Patents

Ultrasonic probe for coelomic use

Info

Publication number
JPH05161649A
JPH05161649A JP3330781A JP33078191A JPH05161649A JP H05161649 A JPH05161649 A JP H05161649A JP 3330781 A JP3330781 A JP 3330781A JP 33078191 A JP33078191 A JP 33078191A JP H05161649 A JPH05161649 A JP H05161649A
Authority
JP
Japan
Prior art keywords
ultrasonic
body cavity
array type
ultrasonic transducer
tube
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
Application number
JP3330781A
Other languages
Japanese (ja)
Other versions
JP3119702B2 (en
Inventor
Toshio Ito
寿夫 伊藤
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.)
Hitachi Ltd
Original Assignee
Aloka Co Ltd
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 Aloka Co Ltd filed Critical Aloka Co Ltd
Priority to JP03330781A priority Critical patent/JP3119702B2/en
Publication of JPH05161649A publication Critical patent/JPH05161649A/en
Application granted granted Critical
Publication of JP3119702B2 publication Critical patent/JP3119702B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

PURPOSE:To provide the ultrasonic probe for coelomic use with which a desired tomographic image is surely obtd. by omitting an operation to turn an operating wire. CONSTITUTION:An ultrasonic motor 8 turning around the center of an ultrasonic vibrator transducer 12 of an array type is provided at the front end of a tube for coelomic use. Further, a housing container 15 which internally houses an ultrasonic motor 8 and the ultrasonic vibrator transducer 12 of the array type and consists of an ultrasonic transmitting material packed internally with an ultrasonic transmitting medium 17 is provided. A tube for coelomic use is inserted into the desired position in the patient's body cavity and the housing container 15 at the front end of the tube for the coelomic use is brought into tight contact with the part to be inspected. The ultrasonic vibrator transducer 12 of the array type is turned by the ultrasonic motor 8 while an ultrasonic beam is radiated to the part to be inspected via the ultrasonic transmitting medium 17 and the housing container 15 from the ultrasonic vibrator transducer 12 of the array type. The tomographic image is obtd. by the reflection echoes obtd. from the parts of different acoustic impedances.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、アレイ型の超音波振動
子を回動する回動手段を備える体腔内用超音波探触子に
関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultrasonic probe for body cavity having a rotating means for rotating an array type ultrasonic transducer.

【0002】[0002]

【従来の技術】従来、超音波振動子を回動する体腔内用
超音波探触子が知られており、この体腔内用超音波探触
子は、図7に示すように、先端が膨らんだ体腔内用チュ
ーブ1を有しており、体腔内用チューブ1内には回転軸
2及びリード線等が挿通されている。そして、回転軸2
の先端部分には、超音波を送受波する超音波振動子3が
配設されており、体腔内用チューブ1内には、水又は油
等の超音波伝達媒体4が充填されている。なお、この従
来の体腔内用超音波探触子においては、回転軸2の後端
は、体腔内用チューブ1外に位置している。
2. Description of the Related Art Conventionally, an ultrasonic probe for in-body-cavity that rotates an ultrasonic transducer is known. As shown in FIG. 7, the ultrasonic probe for in-body-cavity has a swollen tip. The body cavity tube 1 is provided, and the rotation shaft 2 and lead wires are inserted into the body cavity tube 1. And the rotating shaft 2
An ultrasonic transducer 3 for transmitting and receiving ultrasonic waves is arranged at the tip end of the, and the body cavity tube 1 is filled with an ultrasonic transmission medium 4 such as water or oil. In this conventional body cavity ultrasonic probe, the rear end of the rotary shaft 2 is located outside the body cavity tube 1.

【0003】次に動作について説明する。Next, the operation will be described.

【0004】超音波診断を行う場合、被検者の口等より
体腔内用超音波探触子を被検部へ挿入し、体腔内用チュ
ーブ1の先端外周面を被検部に接触させる。そしてこの
状態で、超音波振動子3より超音波ビームを放射しなが
ら回転軸2をAまたはB方向へ回動することにより、超
音波を被検部へ送波し、音響インピーダンスの異なる部
位から得られる反射エコーをモニターに表示して断層画
像を得る。
When performing ultrasonic diagnosis, an ultrasonic probe for body cavity is inserted into the subject through the mouth of the subject, and the outer peripheral surface of the distal end of the tube 1 for body cavity is brought into contact with the subject. Then, in this state, by rotating the rotary shaft 2 in the A or B direction while radiating the ultrasonic beam from the ultrasonic transducer 3, the ultrasonic waves are transmitted to the portion to be inspected, and the ultrasonic waves are transmitted from the portions having different acoustic impedances. The obtained reflection echo is displayed on the monitor to obtain a tomographic image.

【0005】[0005]

【発明が解決しようとする課題】従来の体腔内用超音波
探触子は、以上のように構成されているので、操作者
は、体腔内用チューブ1の先端外周面を被検部に接触さ
れた状態で、超音波振動子3より超音波ビームを放射し
ながら回転軸2をA又はB方向へ回動しなければなら
ず、回転軸2を回動する際に体腔内用チューブ1の先端
外周面が被検部から離れることがあり、これにより所望
の断層画像が得られないという問題点があった。また、
体腔内用チューブ1の先端外周面を被検部に接触された
状態で、超音波振動子3より超音波ビームを放射しなが
ら回転軸2をA又はB方向へ回動する操作が煩雑である
という問題点があった。
Since the conventional ultrasonic probe for body cavity is configured as described above, the operator contacts the outer peripheral surface of the distal end of the tube 1 for body cavity with the part to be examined. In this state, the rotary shaft 2 must be rotated in the A or B direction while radiating an ultrasonic beam from the ultrasonic transducer 3, and when the rotary shaft 2 is rotated, the body cavity tube 1 is rotated. There is a problem in that the outer peripheral surface of the tip may be separated from the test portion, and thus a desired tomographic image cannot be obtained. Also,
The operation of rotating the rotary shaft 2 in the A or B direction while radiating an ultrasonic beam from the ultrasonic transducer 3 in a state where the outer peripheral surface of the distal end of the body cavity tube 1 is in contact with the test portion is complicated. There was a problem.

【0006】本発明は、上記のような課題を解消するた
めになされたものであり、回転軸を回動するための手動
による煩雑な操作を省略して、所望の断層画像を確実に
得られる体腔内用超音波探触子を得ることを目的とす
る。
The present invention has been made to solve the above problems, and a desired tomographic image can be reliably obtained by omitting a complicated manual operation for rotating a rotary shaft. The purpose is to obtain an ultrasonic probe for body cavity.

【0007】[0007]

【課題を解決するための手段】本発明は、上述事情に鑑
みなされたもので、この発明に係る体腔内用超音波探触
子は、長尺の体腔内用チューブと、体腔内用チューブの
先端に回動自在に配置された超音波を送受波するアレイ
型の超音波振動子と、体腔内用チューブの先端に設けら
れたアレイ型の超音波振動子の中央を中心にして任意の
角度で回動する機械的な回動手段とを備え、アレイ型の
超音波振動子より被検部に超音波ビームを放射しながら
回動手段によりアレイ型の超音波振動子の中央を中心に
して回動し、音響インピーダンスの異なる部位から得ら
れる反射エコーにより断層画像を得ることを特徴とする
ものである。
SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an ultrasonic probe for body cavity according to the present invention has a long body cavity tube and a body cavity tube. An array type ultrasonic transducer that transmits and receives ultrasonic waves that is rotatably arranged at the tip, and an arbitrary angle around the center of the array type ultrasonic transducer that is provided at the tip of the body cavity tube The array-type ultrasonic transducer emits an ultrasonic beam to the portion to be inspected and the center of the array-type ultrasonic transducer is used as a center. It is characterized in that a tomographic image is obtained by rotating a reflection echo obtained from a site having a different acoustic impedance.

【0008】また、この発明に係る体腔内用超音波探触
子は、長尺の体腔内用チューブと、体腔内用チューブの
先端に回動自在に配置された超音波を送受波するアレイ
型の超音波振動子と、体腔内用チューブの先端に設けら
れたアレイ型の超音波振動子の中央を中心にして回動す
る超音波モータと、超音波モータ及びアレイ型の超音波
振動子を収納すると共に内部に超音波伝達媒体が充填さ
れた超音波伝達材料から成る収納容器とを備え、被検部
にアレイ型の超音波振動子より超音波伝達媒体及び収納
容器を介して超音波ビームを放射しながら超音波モータ
によりアレイ型の超音波振動子の中央を中心にして回動
し、音響インピーダンスの異なる部位から得られる反射
エコーにより断層画像を得ることを特徴とするものであ
る。
Further, the ultrasonic probe for body cavity according to the present invention is a long body cavity tube and an array type ultrasonic transducer which is rotatably arranged at the tip of the tube for body cavity. Of the ultrasonic transducer, the ultrasonic motor that rotates around the center of the array-type ultrasonic transducer provided at the tip of the body cavity tube, the ultrasonic motor, and the array-type ultrasonic transducer. An accommodating container made of an ultrasonic wave transmitting material filled with an ultrasonic wave transmitting medium is housed therein, and an ultrasonic beam is transmitted from the array type ultrasonic transducer to the test portion through the ultrasonic wave transmitting medium and the accommodating container. While radiating, the ultrasonic motor is rotated about the center of the ultrasonic transducer of the array type, and a tomographic image is obtained by a reflection echo obtained from a site having a different acoustic impedance.

【0009】更に、前記超音波モータの駆動波形の位相
を反転することによりアレイ型の超音波振動子の回動方
向を反転するとよい。
Further, the rotation direction of the array type ultrasonic transducer may be reversed by reversing the phase of the drive waveform of the ultrasonic motor.

【0010】また、前記超音波モータの回転方向の切り
換えと回動速度を速くすることで、三次元的認識が可能
な画像が得られる。
Further, an image capable of three-dimensional recognition can be obtained by switching the rotation direction of the ultrasonic motor and increasing the rotation speed.

【0011】[0011]

【作用】以上のように構成したので、本発明における体
腔内用超音波探触子は、体腔内用チューブを被検者の体
腔内の所望位置まで挿入し、体腔内用チューブの先端部
分を被検部に密着し、アレイ型の超音波振動子より被検
部に超音波ビームを放射しながら機械的な回動手段によ
りアレイ型の超音波振動子の中央を中心にして回動し、
音響インピーダンスの異なる部位から得られる反射エコ
ーにより断層画像を得る。
Since the ultrasonic probe for body cavity according to the present invention is configured as described above, the tube for body cavity is inserted to a desired position in the body cavity of the subject, and the distal end portion of the tube for body cavity is inserted. The array-type ultrasonic transducer is rotated around the center of the array-type ultrasonic transducer by mechanical rotation means while radiating an ultrasonic beam from the array-type ultrasonic transducer to the test section.
A tomographic image is obtained by a reflection echo obtained from a site having different acoustic impedance.

【0012】また、本発明に係る体腔内用超音波探触子
は、体腔内用チューブを被検者の体腔内の所望位置まで
挿入し、体腔内用チューブの先端部分を被検部に密着
し、アレイ型の超音波振動子より超音波伝達媒体および
収納容器を介して被検部に超音波ビームを放射しながら
超音波モータによりアレイ型の超音波振動子の中央を中
心にして回動し、音響インピーダンスの異なる部位から
得られる反射エコーにより断層画像を得る。
Further, the intracorporeal ultrasonic probe according to the present invention inserts the intracorporeal tube into a desired position in the body cavity of the subject, and brings the distal end portion of the intracorporeal tube into close contact with the subject. Then, while radiating an ultrasonic beam from the array-type ultrasonic transducer to the inspected part through the ultrasonic transmission medium and the storage container, the ultrasonic motor rotates around the center of the array-type ultrasonic transducer. Then, a tomographic image is obtained by the reflection echoes obtained from the parts having different acoustic impedances.

【0013】更に、超音波モータの回転方向の切り換え
と回動速度を速くすることにより、アレイ型の超音波振
動子が高速で反転することとなり、これと同時に多断層
面(マルチプレーン)をリアルタイムで得ることによっ
て、被検部の三次元的認識が可能となる。
Furthermore, by switching the rotation direction of the ultrasonic motor and increasing the rotation speed, the array type ultrasonic transducer is inverted at a high speed, and at the same time, the multi-slice plane (multi-plane) is changed in real time. By obtaining in step 3, the three-dimensional recognition of the inspected part becomes possible.

【0014】[0014]

【実施例】以下、本発明の一実施例を図を用いて説明す
る。
An embodiment of the present invention will be described below with reference to the drawings.

【0015】体腔内用超音波探触子は、図1に示すよう
に、体腔内用チューブ5を有しており、体腔内用チュー
ブ5の先端には、長さ約20mm、高さ約10mm、幅
約15mmの先端部6が配置されており、先端部6には
収納容器7が上部を先端部6外へ突出する位置に配設さ
れている。
As shown in FIG. 1, the ultrasonic probe for body cavity has a tube 5 for body cavity, and the tip of the tube for body cavity 5 has a length of about 20 mm and a height of about 10 mm. A tip portion 6 having a width of about 15 mm is arranged, and a storage container 7 is arranged at the tip portion 6 at a position where the upper part thereof projects outside the tip portion 6.

【0016】そして、この収納容器7は、図2に示すよ
うに、超音波モータ8を搭載する基板9を有しており、
超音波モータ8は、基板9に電気的に接続されると共
に、固定された中空状のステータ10及びステータ10
上を回転する中空状のロータ11とから構成されてい
る。更に、ロータ11上にはアレイ型の超音波振動子1
2が配設されており、超音波振動子12は、ステータ1
0及びロータ11の中空部分10a,11a(図6参
照)を通るリード線(図示せず)により基板9へ電気的
に接続されている。また、基板9の下部にはコネクタ端
子13が設けられており、コネクタ端子13には、体腔
内用チューブ5を通って外部の装置に接続するためのリ
ード線14が接続されている(図1参照)。
The storage container 7 has a substrate 9 on which an ultrasonic motor 8 is mounted, as shown in FIG.
The ultrasonic motor 8 is electrically connected to the substrate 9 and has a fixed hollow stator 10 and a stator 10.
It is composed of a hollow rotor 11 rotating above. Further, the array type ultrasonic transducer 1 is provided on the rotor 11.
2 is provided, and the ultrasonic transducer 12 is the stator 1
0 and the hollow portions 10a and 11a of the rotor 11 (see FIG. 6) are electrically connected to the substrate 9 by lead wires (not shown). Further, a connector terminal 13 is provided below the substrate 9, and a lead wire 14 for connecting to an external device through the body cavity tube 5 is connected to the connector terminal 13 (FIG. 1). reference).

【0017】そして、基板9上には、超音波モータ8及
びアレイ型の超音波振動子12を覆うポリエチレン等の
超音波伝達材料により構成された上部が緩やかな凸状の
硬質膜15が配設されており、硬質膜15と基板9との
接合面はシーリング材16によりシーリングされてお
り、硬質膜15と基板9とで構成される空間内には、水
又は油等の超音波伝達媒体17が充填されている。
On the substrate 9, there is provided a hard film 15 having a gentle upper portion, which is made of an ultrasonic wave transmitting material such as polyethylene and covers the ultrasonic wave motor 8 and the array type ultrasonic wave vibrator 12. The joint surface between the hard film 15 and the substrate 9 is sealed by the sealing material 16, and the ultrasonic transmission medium 17 such as water or oil is provided in the space formed by the hard film 15 and the substrate 9. Is filled.

【0018】以上のように構成したので、本発明に係る
体腔内超音波探触子は、超音波診断を行う場合、被検者
の口等より体腔内用超音波探触子を被検部へ挿入し、収
納容器7の緩やかな凸状の硬質膜15の上部を被検部に
接触させる。この際、硬質膜15が緩やかな凸状をして
いることにより、硬質膜15の上部と被検部との密着性
がよい。そして、硬質膜15の上部と被検部とが密着し
た状態で、アレイ型の超音波振動子12より超音波ビー
ムを放射しながら超音波モータ8により回動する。例え
ば、アレイ型の超音波振動子12が体腔内用チューブ5
の軸方向に沿う方向に位置していたとすると、まず時計
方向に90°だけ回動して図4の斜線部へ超音波ビーム
を放射して断層画像を得る。それから、アレイ型の超音
波振動子12が体腔内用チューブ5の軸方向に沿う方向
に戻し、反時計方向に90°だけ回動して図5の斜線部
へ超音波ビームを放射して断層画像を得る。これによ
り、収納容器7の上部外周面が接触した方向の360°
の断層画像を得ることができる。この際、アレイ型の超
音波振動子12を元の位置に戻し、超音波振動子12と
基板9とを接続するリード線が絡まないようにしてい
る。
Since the ultrasonic probe in the body cavity according to the present invention is configured as described above, when performing ultrasonic diagnosis, the ultrasonic probe for body cavity is placed from the mouth of the subject or the like. Then, the upper portion of the gently convex hard film 15 of the storage container 7 is brought into contact with the test portion. At this time, since the hard film 15 has a gentle convex shape, the adhesion between the upper portion of the hard film 15 and the test portion is good. Then, while the upper portion of the hard film 15 and the test portion are in close contact with each other, the ultrasonic motor 8 rotates while radiating an ultrasonic beam from the array type ultrasonic transducer 12. For example, the array-type ultrasonic transducer 12 is used as the body cavity tube 5.
Assuming that the tomographic image is located along the axial direction of, the ultrasonic beam is first rotated clockwise by 90 ° and the ultrasonic beam is emitted to the shaded portion in FIG. 4 to obtain a tomographic image. Then, the array-type ultrasonic transducer 12 is returned to the direction along the axial direction of the body cavity tube 5 and rotated counterclockwise by 90 ° to emit an ultrasonic beam to the shaded portion in FIG. Get the image. As a result, 360 ° in the direction in which the upper outer peripheral surface of the storage container 7 comes into contact
It is possible to obtain a tomographic image of. At this time, the array type ultrasonic transducer 12 is returned to its original position so that the lead wire connecting the ultrasonic transducer 12 and the substrate 9 is not entangled.

【0019】また、超音波モータ8の回転速度を高速化
し、高速で反転するように構成すると、図3に示すよう
なマルチプレーンをリアルタイムで得ることにより三次
元的認識が可能な画像を得ることが可能となる。
Further, if the rotation speed of the ultrasonic motor 8 is increased and the rotation is reversed at a high speed, a multi-plane as shown in FIG. 3 is obtained in real time to obtain an image capable of three-dimensional recognition. Is possible.

【0020】なお、アレイ型の超音波振動子12を磁気
を発生しない超音波モータ8により回転するように構成
したので、核磁気共鳴を利用して診断するMRI等によ
る診断中でも本発明の体腔内用超音波探触子により断層
画像を得ることができる。
Since the array type ultrasonic transducer 12 is configured to be rotated by the ultrasonic motor 8 which does not generate magnetism, it can be used in the body cavity of the present invention even during diagnosis by MRI or the like for diagnosis using nuclear magnetic resonance. A tomographic image can be obtained by the ultrasonic probe for use.

【0021】また、本実施例の装置においては、超音波
モータによりアレイ型の超音波振動子を回動するように
構成したので、超音波モータは駆動トルクが強いため小
型化でき、発生する電気的雑音が電気モータに比べて非
常に小さいので、ノイズ等を軽減でき、超音波診断に有
効である。
Further, in the apparatus of this embodiment, since the array type ultrasonic vibrator is rotated by the ultrasonic motor, the ultrasonic motor has a strong driving torque, so that the ultrasonic motor can be miniaturized and the generated electric power can be reduced. Since the static noise is much smaller than that of the electric motor, the noise and the like can be reduced, which is effective for ultrasonic diagnosis.

【0022】[0022]

【発明の効果】以上説明したように、本発明によれば、
体腔内用チューブを被検者の体腔内の所望位置まで挿入
し、体腔内用チューブの先端部分を被検部に密着し、ア
レイ型の超音波振動子より超音波伝達媒体および収納容
器を介して被検部に超音波ビームを放射しながら超音波
モータによりアレイ型の超音波振動子の中央を中心にし
て回動し、音響インピーダンスの異なる部位から得られ
る反射エコーにより断層画像を得るように構成したの
で、回転軸を回動する操作を省略して、体腔内用チュー
ブの先端外周面が被検部から離れることを防止して、所
望の断層画像を得ることができる。また、超音波モータ
によりアレイ型の超音波振動子を回動するように構成し
たので、超音波モータは駆動トルクが強いため小型化で
き、発生する電気的雑音が電気モータに比べて非常に小
さいので、ノイズ等を軽減でき、超音波診断に有効であ
る。
As described above, according to the present invention,
Insert the tube for body cavity to the desired position in the body cavity of the subject, and bring the distal end of the tube for body cavity into close contact with the body to be examined. While radiating an ultrasonic beam to the inspected part, the ultrasonic motor rotates about the center of the array type ultrasonic transducer to obtain a tomographic image by the reflection echoes obtained from the parts with different acoustic impedances. Since it is configured, it is possible to obtain a desired tomographic image by omitting the operation of rotating the rotary shaft, preventing the outer peripheral surface of the distal end of the body cavity tube from leaving the part to be examined. Further, since the array type ultrasonic transducer is configured to be rotated by the ultrasonic motor, the ultrasonic motor can be downsized due to the strong driving torque, and the generated electrical noise is much smaller than the electric motor. Therefore, noise and the like can be reduced, which is effective for ultrasonic diagnosis.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明に係る体腔内用超音波探触子を示す断面
図である。
FIG. 1 is a sectional view showing an ultrasonic probe for body cavity according to the present invention.

【図2】本発明に係る体腔内用超音波探触子の収納容器
内の構造を示す断面図である。
FIG. 2 is a cross-sectional view showing a structure inside a container of an ultrasonic probe for body cavity according to the present invention.

【図3】本発明の実施例の動作を示す図である。FIG. 3 is a diagram showing an operation of the exemplary embodiment of the present invention.

【図4】本発明の第1の走査範囲を示す図である。FIG. 4 is a diagram showing a first scanning range of the present invention.

【図5】本発明の第2の走査範囲を示す図である。FIG. 5 is a diagram showing a second scanning range of the present invention.

【図6】本発明に係る超音波モータを示す斜視図であ
る。
FIG. 6 is a perspective view showing an ultrasonic motor according to the present invention.

【図7】従来の体腔内用超音波探触子を示す断面図であ
る。
FIG. 7 is a cross-sectional view showing a conventional ultrasonic probe for body cavity.

【符号の説明】[Explanation of symbols]

5 体腔内用チューブ 7 収納容器 8 超音波モータ 12 アレイ型の超音波振動子 17 超音波伝達媒体 5 Tube for body cavity 7 Storage container 8 Ultrasonic motor 12 Array type ultrasonic transducer 17 Ultrasonic transmission medium

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 長尺の体腔内用チューブと、 体腔内用チューブの先端に回動自在に配置された超音波
を送受波するアレイ型の超音波振動子と、 体腔内用チューブの先端に設けられた前記アレイ型超音
波振動子を回動させる回動手段と、 前記回動手段及び前記アレイ型の超音波振動子を収納す
ると共に内部に超音波伝達媒体が充填された超音波伝達
材料から成る収納容器とを備え、 前記回動手段により回動する前記アレイ型の超音波振動
子によって被検部に超音波ビームを放射し、音響インピ
ーダンスの異なる部位から得られる反射エコーにより断
層画像を得ることを特徴とする体腔内用超音波探触子。
1. A long body cavity tube, an array type ultrasonic transducer for transmitting and receiving ultrasonic waves rotatably arranged at the tip of the body cavity tube, and a body cavity tube tip. Rotation means for rotating the array type ultrasonic transducer provided, and an ultrasonic transmission material that accommodates the rotation means and the array type ultrasonic transducer and is filled with an ultrasonic transmission medium. And a storage container made of, wherein an ultrasonic beam is radiated to a test portion by the array-type ultrasonic transducer that is rotated by the rotating means, and a tomographic image is obtained by a reflection echo obtained from a site with different acoustic impedance. An ultrasonic probe for body cavity, characterized by being obtained.
【請求項2】 アレイ型の超音波振動子を回動させる手
段は、超音波モータであることを特徴とする請求項1記
載の体腔内用超音波探触子。
2. The ultrasonic probe for body cavity according to claim 1, wherein the means for rotating the array-type ultrasonic transducer is an ultrasonic motor.
【請求項3】 前記超音波モータの駆動波形の位相を反
転することにより、アレイ型の超音波振動子の回動方向
を反転することを特徴とする請求項2記載の体腔内用超
音波探触子。
3. The ultrasonic probe for body cavity according to claim 2, wherein the rotation direction of the array type ultrasonic transducer is reversed by reversing the phase of the drive waveform of the ultrasonic motor. Tentacles.
【請求項4】 超音波モータの回転方向の切り換え速度
と回動速度を高速にし、高速で反転させることで多断層
面をリアルタイムで得ることによって三次元的認識が可
能な画像を得ることを特徴とする請求項2又は3記載の
体腔内用超音波探触子。
4. An image capable of three-dimensional recognition is obtained by increasing a switching speed and a rotating speed of a rotation direction of an ultrasonic motor at high speed and reversing at a high speed to obtain a multi-slice plane in real time. The ultrasonic probe for body cavity according to claim 2 or 3.
JP03330781A 1991-12-13 1991-12-13 Ultrasonic probe for body cavity Expired - Fee Related JP3119702B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP03330781A JP3119702B2 (en) 1991-12-13 1991-12-13 Ultrasonic probe for body cavity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03330781A JP3119702B2 (en) 1991-12-13 1991-12-13 Ultrasonic probe for body cavity

Publications (2)

Publication Number Publication Date
JPH05161649A true JPH05161649A (en) 1993-06-29
JP3119702B2 JP3119702B2 (en) 2000-12-25

Family

ID=18236479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP03330781A Expired - Fee Related JP3119702B2 (en) 1991-12-13 1991-12-13 Ultrasonic probe for body cavity

Country Status (1)

Country Link
JP (1) JP3119702B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5469852A (en) * 1993-03-12 1995-11-28 Kabushiki Kaisha Toshiba Ultrasound diagnosis apparatus and probe therefor
JP2005520592A (en) * 2002-03-15 2005-07-14 アー.ヤー. アンゲルセン、ビョルン Multi-scan planar ultrasound imaging of objects
WO2010148428A1 (en) * 2009-06-23 2010-12-29 Signostics Limited Improved ultrasound transducer
US10531861B2 (en) 2012-10-04 2020-01-14 Canon Medical Systems Corporation Ultrasonic diagnosis apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5469852A (en) * 1993-03-12 1995-11-28 Kabushiki Kaisha Toshiba Ultrasound diagnosis apparatus and probe therefor
JP2005520592A (en) * 2002-03-15 2005-07-14 アー.ヤー. アンゲルセン、ビョルン Multi-scan planar ultrasound imaging of objects
US7758509B2 (en) 2002-03-15 2010-07-20 Angelsen Bjoern A J Multiple scan-plane ultrasound imaging of objects
JP2010179117A (en) * 2002-03-15 2010-08-19 Bjorn A J Angelsen Method for multiple scan-plane ultrasound imaging of object, and ultrasound imaging apparatus
WO2010148428A1 (en) * 2009-06-23 2010-12-29 Signostics Limited Improved ultrasound transducer
AU2010265832B2 (en) * 2009-06-23 2015-10-22 Signostics Limited Improved ultrasound transducer
US10531861B2 (en) 2012-10-04 2020-01-14 Canon Medical Systems Corporation Ultrasonic diagnosis apparatus

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