JPH04180745A - Ultrasonic probe for inside of body-cavity - Google Patents
Ultrasonic probe for inside of body-cavityInfo
- Publication number
- JPH04180745A JPH04180745A JP2309929A JP30992990A JPH04180745A JP H04180745 A JPH04180745 A JP H04180745A JP 2309929 A JP2309929 A JP 2309929A JP 30992990 A JP30992990 A JP 30992990A JP H04180745 A JPH04180745 A JP H04180745A
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical member
- hole
- electronic radial
- rotating shaft
- rotation
- 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.)
- Pending
Links
- 239000000523 sample Substances 0.000 title claims abstract description 26
- 238000002604 ultrasonography Methods 0.000 claims description 23
- 238000007689 inspection Methods 0.000 abstract description 3
- 230000003449 preventive effect Effects 0.000 abstract 2
- 230000002265 prevention Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は、探触子を体腔１）旧こ挿入し、電子ラジアル
走査により超音波を送受波して体内画像を得る体腔内用
超音波探触子に関する。[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to an intrabody cavity ultrasound system in which a probe is inserted into a body cavity 1) and ultrasound is transmitted and received by electronic radial scanning to obtain an image of the body. Regarding the probe.
［従来の技術］
従来、探触子を体腔１ノ旧こ挿入し、電子ラジアル走査
により超音波を送受波して体内画像を得る体腔内用超音
波探触子が知られているか、このものにあっては、探触
子全体を奥へ挿入したり手前に引いたりして患部を探し
ている。[Prior Art] Conventionally, there has been known an intrabody cavity ultrasound probe in which a probe is inserted into a body cavity and an image of the body is obtained by transmitting and receiving ultrasound waves through electronic radial scanning. In this case, the entire probe is inserted deep or pulled toward the front to find the affected area.
［発明が解決しようとする課ｍ］
上記従来の体腔内用超音波探触子によれば、探触子全体
を奥へ挿入したり手前に引いたりして検査位置を探すた
め、被検者への負担が大きくなると共に検査時間が長く
なるという課題があった。[Problem to be Solved by the Invention] According to the above-mentioned conventional ultrasound probe for use in body cavities, the entire probe is inserted deep into the body or pulled toward the front to search for the examination position. There were problems in that the burden on the staff and the testing time became longer.
発明の目的
本発明は、上記従来の課題に鑑みなされたものであり、
その目的は、探触子全体をを移動させずに電子ラジアル
振動子部のみを移動できる体腔内用超音波探触子を提供
することにある。Purpose of the Invention The present invention has been made in view of the above-mentioned conventional problems,
The purpose is to provide an intrabody cavity ultrasound probe in which only the electronic radial transducer section can be moved without moving the entire probe.
［課題を解決するための手段］
上記目的を達成するために、本発明に係る体腔内用超音
波探触子は、中心にねじか刻設された第１の穴か穿設さ
れかつ第１の穴の近傍に第２の穴か穿設されている円筒
状部材と、円筒状部材の円周上に設けられ超音波ビーム
を放射する電子ラジアル振動子部と、円筒状部４．（の
第１の穴に螺合する回転軸と、円筒状部材の第２の穴に
挿通されて円筒状部材の回転を防止する回転防止用軸と
、を備え、回転軸を回転することにより円筒状部材と電
子ラジアル振動子部とを一体に回転軸の軸方向へ移動す
ることを特徴としている。[Means for Solving the Problems] In order to achieve the above object, the intrabody cavity ultrasound probe according to the present invention has a first hole with a screw cut in the center, and a first hole with a screw cut in the center. a cylindrical member having a second hole bored in the vicinity of the hole of 4; an electronic radial transducer part provided on the circumference of the cylindrical member and emitting an ultrasonic beam; and a cylindrical part 4. (a rotating shaft that is screwed into the first hole of It is characterized in that the cylindrical member and the electronic radial vibrator section are moved together in the axial direction of the rotating shaft.
また、前記各部材を被覆するチューブ部材を設け、この
チューブ部材の電子ラジアル振動子部か移動する範囲を
超音波窓により桿１成し、超音波窓と電子ラジアル振動
子部との間を音響媒体により充填してもよい。Further, a tube member covering each of the above-mentioned members is provided, and the range in which the electronic radial transducer section of the tube member moves is formed into a rod by an ultrasonic window, and an acoustic wave is formed between the ultrasonic window and the electronic radial transducer section. It may be filled with a medium.
［作用］
以上のような構成としたので、本発明に係る体肢内用超
音波探触子によれば、円筒状部材の第２の穴に挿通され
た回転防止用軸により円筒状部材が回転軸と共に回転す
るのを防止し、円筒状部材の第１の穴に螺合する回転軸
を回転すると、円筒状部材と一体に電子ラジアル振動子
部は超音波ビームを３６０°方向へ放射しつつ回転軸の
軸方向へ移動する。[Function] With the above structure, according to the intralimb ultrasound probe according to the present invention, the rotation prevention shaft inserted into the second hole of the cylindrical member prevents the cylindrical member from rotating. When the rotating shaft, which is prevented from rotating together with the rotating shaft and is screwed into the first hole of the cylindrical member, is rotated, the electronic radial transducer section integrally with the cylindrical member emits an ultrasonic beam in a 360° direction. while moving in the axial direction of the rotating shaft.
［実施例］ 以下、この発明の一実施例を図について説明する。[Example] An embodiment of the present invention will be described below with reference to the drawings.
第１図は、本発明に係る体腔内用超音波探触子を示す断
面図であり、第２図はその要部を示す斜視図である。FIG. 1 is a sectional view showing an intrabody cavity ultrasound probe according to the present invention, and FIG. 2 is a perspective view showing the main parts thereof.
体腔内用超音波探触子１０は、各部材を被覆するチュー
ブ部材１２を有しており、チューブ部材１２の電子ラジ
アル振動子部２４の移動する部分には、音響インピーダ
ンスのマツチングをとった超音波窓１４か配置されてい
る。The intrabody cavity ultrasound probe 10 has a tube member 12 that covers each member, and the moving part of the electronic radial transducer section 24 of the tube member 12 is provided with an ultrasonic probe whose acoustic impedance has been matched. A sound wave window 14 is also arranged.
そして、チューブ部材１２内部の先端部分には軸受け１
６が固定されており、軸受け１６により回転軸１８が回
転自在に支持されている。A bearing 1 is provided at the tip inside the tube member 12.
6 is fixed, and a rotating shaft 18 is rotatably supported by a bearing 16.
更に、回転軸１８にはねし部１８ａか刻設されており、
ねし部１８ａには、中心にねじか刻設された第１の穴２
０ａが穿設された円筒状部＋；Ｉ’２０が螺合されてい
る。Furthermore, a wedge portion 18a is carved on the rotating shaft 18,
The threaded portion 18a has a first hole 2 with a thread carved in the center.
The cylindrical part +; I'20 in which Oa is bored is screwed together.
また、円筒状部材２０の第１の穴２０ａの近傍には第２
の穴２０ｂか穿設されており、第２の穴２０ｂには、円
筒状部材２０の回転を防止する回転防止用軸２２か挿通
されており、この回転防止用軸２２の両端はチューブ部
材１２に固定されている。Further, a second hole 20a is provided in the vicinity of the first hole 20a of the cylindrical member 20.
A rotation prevention shaft 22 for preventing rotation of the cylindrical member 20 is inserted into the second hole 20b, and both ends of this rotation prevention shaft 22 are connected to the tube member 12. Fixed.
そして、円筒状部材の円周上には、超音波ビームを３６
０°方向へ放射する複数素子から成る電子ラジアル振動
子部２４か配設されており、電子ラジアル振動子部２４
と超音波窓１４との間には音響媒体２８が充填されてお
り、電子ラジアル振動子部２４のリート線２６はチュー
ブ部材１２内部を手元側に延びている。Then, 36 ultrasonic beams are applied to the circumference of the cylindrical member.
An electronic radial vibrator section 24 consisting of a plurality of elements emitting radiation in the 0° direction is provided.
An acoustic medium 28 is filled between and the ultrasonic window 14, and the Riet wire 26 of the electronic radial transducer section 24 extends inside the tube member 12 toward the proximal side.
ついて、本実施例の作用について説明する。The operation of this embodiment will now be explained.
超音波診断を行う場合、体腔内用超音波探触子１０を被
検者の体腔内へ電子ラジアル振動子部２４がほぼ患部に
近接する位置まで挿入する。When performing ultrasound diagnosis, the intrabody cavity ultrasound probe 10 is inserted into the body cavity of the subject until the electronic radial transducer section 24 is approximately close to the affected area.
それから、回転軸１８を回転すると、円筒状部材２０と
一体に電子ラジアル振動子部２４は、回転軸１８のねじ
部１８ａと第１の穴２０ａに刻設されたねじとから成る
ねじ機構により、回転軸１８の軸方向（矢印Ａ、Ｂ方向
）へ移動し、電子ラジアル振動子部２４より超音波ビー
ム１００を３６０°方向へ放射しく第３図参照）、この
超音波ビーム１００は音響媒体２８を介してチューブ部
材１２に設けられている超音波窓１４より被検体へ放射
される。Then, when the rotating shaft 18 is rotated, the electronic radial vibrator section 24 is integrated with the cylindrical member 20 by a screw mechanism consisting of the threaded portion 18a of the rotating shaft 18 and a screw carved in the first hole 20a. The ultrasound beam 100 is moved in the axial direction of the rotating shaft 18 (in the direction of arrows A and B), and the electronic radial transducer unit 24 emits the ultrasound beam 100 in a 360° direction (see FIG. 3), and this ultrasound beam 100 is transmitted to the acoustic medium 28. The ultrasonic waves are emitted from the ultrasonic window 14 provided in the tube member 12 to the subject via the ultrasonic window 14 provided in the tube member 12.
更に、電子ラジアル振動子部２４によりその反射波を受
信し、信号処理することにより二次元の超音波画像をリ
アルタイムで得られる。回転軸１８を回転させ、電子ラ
ジアル振動子部２４の一定の移動距離（例えば５ｍｍ）
毎に複数の電子ラジアル画像を記録すると、その複数の
画像から患部の三次元的把握も可能となる。Further, the electronic radial transducer unit 24 receives the reflected waves and processes the signals to obtain a two-dimensional ultrasound image in real time. By rotating the rotating shaft 18, the electronic radial vibrator section 24 is moved a certain distance (for example, 5 mm).
If multiple electronic radial images are recorded for each treatment, it becomes possible to understand the affected area three-dimensionally from the multiple images.
円筒状部材２０の第２の穴２０ｂに挿通された回転防止
用軸２２は、円筒状部材２０及び電子ラジアル振動子部
２４か回転軸１８と共に回転するのを防止しており、こ
れにより電子ランアル振動子部２４のリード線２６か捩
れることはない。The anti-rotation shaft 22 inserted into the second hole 20b of the cylindrical member 20 prevents the cylindrical member 20 and the electronic radial vibrator section 24 from rotating together with the rotating shaft 18. The lead wire 26 of the vibrator section 24 will not be twisted.
［発明の効果］
以上、説明したように、この発明によれば、円筒状部材
の第２の穴に挿通された回転防止用軸により円筒状部材
が回転軸と共に回転するのを防止し、円筒状部材の第１
の穴に螺合する回転軸を回転することにより、円筒状部
材と一体に電子ラジアル振動子部か超音波ビームを３６
０°方向へ放射しつつ回転軸の軸方向へ移動するように
措成したので、探触子全体を奥へ挿入したり手前に引い
たりして患部を探す必要がなくなり、被検名への負担を
軽減でき、これにより検査時間を短縮できる効果かある
。[Effects of the Invention] As described above, according to the present invention, the rotation prevention shaft inserted into the second hole of the cylindrical member prevents the cylindrical member from rotating together with the rotation shaft, and the cylindrical member The first of the shaped members
By rotating the rotating shaft that is screwed into the hole of
Since the probe is designed to move in the axial direction of the rotation axis while emitting in the 0° direction, there is no need to insert the entire probe deep into the room or pull it out to search for the affected area. This has the effect of reducing the burden and thereby shortening the inspection time.
第１図は、本発明に係る体腔内用超音波探触子を示す断
面図、
第２図は、本発明に係る体腔内用超音波探触子の要部を
示す斜視図、
第３図は、本発明に係る体腔内用超音波探触子の超音波
ビームの放射状態を示す図である。
１０ ・・・ 体腔内用超音波探触子
１２ ・・・ チューブ部祠
１４ ・・・ 超音波窓
１８ ・・・ 回転軸
２０ ・ 円筒状部材
２０ａ ・・・ 第１の穴
２０ｂ ・・ 第２の穴
２２ ・ 回転防止用軸
２４ ・・・ 電子ラジアル振動子部
２８ ・・・ 音響媒体FIG. 1 is a sectional view showing an ultrasound probe for use in a body cavity according to the present invention, FIG. 2 is a perspective view showing a main part of an ultrasound probe for use in a body cavity according to the present invention, FIG. FIG. 2 is a diagram showing the radiation state of an ultrasound beam of the intrabody cavity ultrasound probe according to the present invention. 10... Ultrasonic probe for intrabody cavity 12... Tube portion shrine 14... Ultrasonic window 18... Rotating shaft 20... Cylindrical member 20a... First hole 20b... Second Hole 22 ・ Rotation prevention shaft 24 ... Electronic radial vibrator section 28 ... Acoustic medium
Claims (2)
第１の穴の近傍に第２の穴が穿設されている円筒状部材
と、円筒状部材の円周上に設けられ超音波ビームを放射
する電子ラジアル振動子部と、円筒状部材の第１の穴に
螺合する回転軸と、円筒状部材の第２の穴に挿通されて
円筒状部材の回転を防止する回転防止用軸と、を備え、
回転軸を回転することにより円筒状部材と電子ラジアル
振動子部とを一体に回転軸の軸方向へ移動することを特
徴とする体腔内用超音波探触子。(1) A cylindrical member having a first hole with a thread carved in the center and a second hole bored in the vicinity of the first hole, and a cylindrical member on the circumference of the cylindrical member. an electronic radial transducer section provided to emit an ultrasonic beam; a rotating shaft screwed into the first hole of the cylindrical member; and a rotating shaft inserted into the second hole of the cylindrical member to prevent rotation of the cylindrical member. A shaft for preventing rotation,
An ultrasound probe for use in a body cavity, characterized in that a cylindrical member and an electronic radial transducer section are integrally moved in the axial direction of the rotating shaft by rotating the rotating shaft.
チューブ部材の電子ラジアル振動子部が移動する範囲を
超音波窓により構成し、超音波窓と電子ラジアル振動子
部との間を音響媒体により充填した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) A tube member covering each of the above members is provided, the range in which the electronic radial transducer section of the tube member moves is constituted by an ultrasonic window, and an acoustic medium is provided between the ultrasonic window and the electronic radial transducer section. The ultrasound probe for use in a body cavity according to claim 1, wherein the ultrasound probe is filled with:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2309929A JPH04180745A (en) | 1990-11-14 | 1990-11-14 | Ultrasonic probe for inside of body-cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2309929A JPH04180745A (en) | 1990-11-14 | 1990-11-14 | Ultrasonic probe for inside of body-cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04180745A true JPH04180745A (en) | 1992-06-26 |
Family
ID=17999046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2309929A Pending JPH04180745A (en) | 1990-11-14 | 1990-11-14 | Ultrasonic probe for inside of body-cavity |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04180745A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001314402A (en) * | 2000-05-10 | 2001-11-13 | Asahi Optical Co Ltd | Radial scanning forward-looking type ultrasonic endoscope |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4837518U (en) * | 1971-09-07 | 1973-05-08 | ||
| JPS4837518A (en) * | 1971-09-20 | 1973-06-02 | ||
| JPS579439A (en) * | 1980-06-18 | 1982-01-18 | Tokyo Shibaura Electric Co | Ultrasonic scanner |
-
1990
- 1990-11-14 JP JP2309929A patent/JPH04180745A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4837518U (en) * | 1971-09-07 | 1973-05-08 | ||
| JPS4837518A (en) * | 1971-09-20 | 1973-06-02 | ||
| JPS579439A (en) * | 1980-06-18 | 1982-01-18 | Tokyo Shibaura Electric Co | Ultrasonic scanner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001314402A (en) * | 2000-05-10 | 2001-11-13 | Asahi Optical Co Ltd | Radial scanning forward-looking type ultrasonic endoscope |
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