JPS5846949A - Electron scanning type ultrasonic probe - Google Patents
Electron scanning type ultrasonic probeInfo
- Publication number
- JPS5846949A JPS5846949A JP56143923A JP14392381A JPS5846949A JP S5846949 A JPS5846949 A JP S5846949A JP 56143923 A JP56143923 A JP 56143923A JP 14392381 A JP14392381 A JP 14392381A JP S5846949 A JPS5846949 A JP S5846949A
- Authority
- JP
- Japan
- Prior art keywords
- transducer
- transmission
- electronic scanning
- reception
- ultrasonic probe
- 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
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 本発明は電子走査型超音波探触子の改良に関する。[Detailed description of the invention] The present invention relates to improvements in electronic scanning ultrasound probes.
超音波診断装置では、超音波探触子の超音波ビームを被
検体について走査させ、被検体の断層画像を得ている。In an ultrasonic diagnostic apparatus, a tomographic image of the subject is obtained by scanning the subject with an ultrasound beam of an ultrasound probe.
この超音波診断装置には、電子走査型超音波探触子を用
い電子的に超音波ビームを走査させる電子走査型のもの
があり、この種の装置によれば、超音波ビームの高速走
査が可能であることから、動く臓器等をリアルタイムで
断層画像表示することができる。Among these ultrasound diagnostic devices, there is an electronic scanning type that electronically scans the ultrasound beam using an electronic scanning ultrasound probe. Since this is possible, it is possible to display tomographic images of moving organs, etc. in real time.
電子走査型超音波診断装置で用いられている従来の電子
走査型超音波探触子は、−列に配列された送受信兼用の
振動子群を備えて鰺シ、各振動子が所定のタイミングで
励振される仁とにより、超音波ビームの走査が行われる
。そして、診断に利用される断層画像は高分解能を要求
されることから、従来の電子走査型超音波診断装置では
、電子走査型探触子の各振動子を所定のタイミングで励
振させることにより、超音波ビームを被検体表面から所
定の深さに集束させていた０
ところが、超音波ビームを集束制御させる電子走査型超
音波診断装置の断層画像であっても、そ本発明は上記従
来６１Ｉ題に鑑みなされたもので、その目的は高分解能
の断層画像が得られる電子走査型超音波探触子を提供す
ることにある。Conventional electronic scanning ultrasound probes used in electronic scanning ultrasound diagnostic equipment are equipped with a group of transducers for both transmitting and receiving purposes arranged in rows. The ultrasonic beam is scanned by the excited beam. Since tomographic images used for diagnosis require high resolution, conventional electronic scanning ultrasound diagnostic equipment excite each transducer of the electronic scanning probe at a predetermined timing. The ultrasonic beam is focused to a predetermined depth from the surface of the subject.However, even if the ultrasonic beam is focused to a tomographic image by an electronic scanning ultrasonic diagnostic apparatus that controls the focusing, the present invention does not solve the problem of the above-mentioned conventional problem 61I. This was developed in view of the above, and its purpose is to provide an electronic scanning ultrasound probe that can obtain high-resolution tomographic images.
上記目的を達成するため、本発明は配列された振動子群
を備え被検体について超音波ビーム走査を行う電子走査
型超音波探触子において、振動子群は同一ケース内に設
けられた受信専用振動子列と、受信専用振動子列の両側
にそれぞれ配列された１組の送信専用振動子列と、から
成シ、受信専用振動子列と各送信専用振動子列は被検体
表面から所定深さの集束点に指向することを特徴とする
。To achieve the above object, the present invention provides an electronic scanning ultrasonic probe that includes a group of arranged transducers and performs ultrasound beam scanning on a subject, in which the group of transducers is provided in the same case for exclusive use in reception. It consists of a transducer row and a set of transmission-only transducer rows arranged on both sides of the reception-only transducer row. It is characterized by being directed towards the convergence point of the light.
以−下図面に基づいて本発明の好適な実施例を説明する
。Preferred embodiments of the present invention will be described below based on the drawings.
第１図、第２図および第３図には、本発明の好適な実施
例が示されており、第１図は実施例装置の正面図を、第
２図はその下面図を、そして、第３図はその右側面図を
それぞれ示している。1, 2, and 3 show a preferred embodiment of the present invention, FIG. 1 being a front view of the embodiment device, FIG. 2 being a bottom view thereof, and FIG. FIG. 3 shows a right side view thereof.
図において、細短冊状の振動子が複数個配列された受信
専用振動子列１０の両側に、細短冊状の振動子が複数個
配列された１組の送信専用振動子列１４ 、１６が設け
られている。探触子ケース１８の正面接続された送信端
子２２および超音波診断装置本体の受信ケーブル２４が
接続された受信端子２６が設けられている。受信端子２
６はマツチング回路２８を介して受信専用振動子列１０
の各振動子に接続されておシ、送信端子２２はマツチン
グ回路３０．３２を介して送信専用振動子列１４．１６
の各振動子に接続されている。マツチング回路２８は超
音波診断装置本体と受信専用振動子列１０の各振動子と
の間で電気的マツチングを図ることができ、マツチング
回路３０゜３２は超音波診断装置と送信専用振動子列１
４．、１６の各−振動子との間で電気的マツチングを図
ることができる。In the figure, a pair of transmission-only transducer rows 14 and 16 each having a plurality of thin rectangular transducers arranged is provided on both sides of a reception-only transducer row 10 having a plurality of thin rectangular transducers arranged. It is being A transmitting terminal 22 connected to the front of the probe case 18 and a receiving terminal 26 connected to a receiving cable 24 of the ultrasound diagnostic apparatus main body are provided. Receiving terminal 2
6 is a reception-only transducer array 10 via a matching circuit 28.
The transmission terminal 22 is connected to each transducer row 14.16 through a matching circuit 30.32.
connected to each vibrator. The matching circuit 28 can perform electrical matching between the ultrasound diagnostic apparatus main body and each transducer of the reception-only transducer row 10, and the matching circuit 30° 32 can perform electrical matching between the ultrasound diagnostic equipment and the transmission-only transducer row 1.
4. , 16 vibrators can be electrically matched.
受信専用振動子列１０と送信専用振動子列１４．１６と
の間には音響シールド板３４ 、 、３６が設けられて
おシ、また各振動子列１０，１４．１６はバッキング材
３８゜４０．４２によシ音響シールドされておシ、受信
専用振動子列１０と送信専用振動子列１４．１６との間
で音響的干渉が生じないよるに考慮が払われている・各
振動子列１０，１４．１６は各バッキング材３８’、
４０゜４２の下面に固着されている。またバッキング材
３８は探触子ケース１８に固定され、他方、バッキング
材４０．４２は固定されていない。これは本実施例装置
において、角度調節装置により送信専用振動子列１４．
１６の送信角度調節を行うためである。すなわち、この
角度調節装置は、探触子ケース１８の裏面に遊嵌されバ
ッキング材４０．４２に固定されたネジ軸４４．４６．
探触子ケース１８の正面に遊嵌されバッキング材４０．
４２に固定されたネジ軸４８．５０、ネジ軸４８．５０
のネジ頭に固定されたつまみ５２゜５４、ネジ軸４８．
５０に固定され探触子ケース１８を押圧する指針バネ！
１６．５８から構成されておシ、つまみ５２．５４を回
動させることにより超音波ビームの送信方向を調節する
ことができる。なお探触子ケース１８の正面には超音波
ビームの送信角度を示す角度目盛１００ 、２００が付
されており、指針バネ５６．５８の示す目盛１００ 、
２００により超音波ビームの送信方向を知ることができ
る。また送信用振動子列１４．１６は流動パラフィン等
の液体（超音波伝達媒質）で満たされた袋体６０．６２
を介して被検体表面に密着される。この袋体６０．６２
は送信専用振動子列１４．１６が角度調節装置により動
くので、被検体と送信用振動子列１月４，１６との間に
間隙が生じないようにして超音波ビームの減衰を防止し
ている。Acoustic shield plates 34, 36 are provided between the reception-only transducer row 10 and the transmission-only transducer row 14, 16, and each transducer row 10, 14, 16 is covered with a backing material 38. .42 is acoustically shielded, and consideration is given to prevent acoustic interference between the reception-only transducer row 10 and the transmission-only transducer row 14 and 16.Each transducer row 10, 14.16 are each backing material 38',
It is fixed to the bottom surface of 40°42. Also, the backing material 38 is fixed to the probe case 18, while the backing materials 40, 42 are not fixed. In the device of this embodiment, the transmission-only transducer array 14 is controlled by the angle adjustment device.
This is to perform 16 transmission angle adjustments. That is, this angle adjustment device includes screw shafts 44, 46, .
A backing material 40 is loosely fitted to the front of the probe case 18.
Screw shaft 48.50 fixed to 42, screw shaft 48.50
Knob 52° 54 fixed to the screw head of the screw shaft 48.
A pointer spring that is fixed to 50 and presses the probe case 18!
By rotating knobs 52 and 54, the transmission direction of the ultrasonic beam can be adjusted. Incidentally, angle scales 100 and 200 indicating the transmission angle of the ultrasonic beam are attached to the front surface of the probe case 18, and the scales 100 and 200 indicated by the pointer springs 56 and 58 are attached.
200, the transmission direction of the ultrasound beam can be known. In addition, the transmission transducer rows 14 and 16 are connected to bags 60 and 62 filled with a liquid (ultrasonic transmission medium) such as liquid paraffin.
It is brought into close contact with the surface of the subject through. This bag body 60.62
Since the transmission-only transducer rows 14 and 16 are moved by the angle adjustment device, attenuation of the ultrasonic beam is prevented by ensuring that there is no gap between the subject and the transmission transducer rows 4 and 16. There is.
本実施例装置は以上の構成から成り、以下その作用を説
明する。The device of this embodiment has the above-mentioned configuration, and its operation will be explained below.
超音波診断装置本体から送信専用振動子列１４ 。Transducer array 14 dedicated for transmission from the ultrasound diagnostic equipment main body.
１６の各振動子に被検体表面から所定の深さの診断部位
で集束する超音波ビームの送信のための励振信号が供給
され、この一方でつまみ５２．５４を回動調節すること
により、送信用振動子列１４．１６を受信専用振動子列
１０が指向しかつ超音波ビームが集束する位置に指向さ
せる。このことによシ、各振動子列１０．１４．１６が
指向する診断部位から得られる反射エコーの情報量は密
となるので、受信専用振動子列１０から得られる受信信
号により超音波診断装置本体は高分解能の断層−１像を
表示することができる。An excitation signal for transmitting an ultrasound beam focused at a diagnostic site at a predetermined depth from the surface of the subject is supplied to each of the 16 transducers. The reliable transducer rows 14 and 16 are directed to the position where the reception-only transducer row 10 is directed and the ultrasonic beam is focused. As a result, the amount of information of the reflected echo obtained from the diagnostic site to which each transducer array 10, 14, 16 is directed becomes dense, so that the ultrasonic diagnostic apparatus uses the received signal obtained from the reception-only transducer array 10. The main body can display a high-resolution tomographic-1 image.
なお本実施例においては、送信側と受信側とで別々にマ
ツチングが図られているので、マツチン ７グロスが極
めて小さく感度が良い。また送信専用振動子列１４ 、
１６と受信専用振動子列１０との間では完全に音響シー
ルドが施されているので、両者間に干渉が生ぜず、断層
画像の分解能を損ねず、画像の品質を維持することがで
きる。In this embodiment, since matching is performed separately on the transmitting side and the receiving side, the matching 7 gloss is extremely small and the sensitivity is high. In addition, a transmission-only transducer array 14,
16 and the receive-only transducer array 10, there is no interference between the two, so the resolution of the tomographic image is not impaired and the quality of the image can be maintained.
以上説明したように、本発明によれば、筒分解能の電子
走査型超音波探触子を提供することができる。As described above, according to the present invention, it is possible to provide an electronic scanning ultrasonic probe with cylindrical resolution.
第１図、第２図および第３図は本発明の好適な実１すを
示す構成説明図″″Ｃある・ 牙１０・・
・・・・・・・・・・・・・・・・受信専用振動子列１
４．１６ ・・・・・・送信専用振動子列】８・・・
・・・・・・・・・・・・・・・探触子ケース４０．４
２ ・・・・・・パラキンク材４４、４６．４８．５
０・・・・・・軸ネジ５２．５４ ・・・・・・つま
み
５６．５８ ・・・・・・指示バネ０出願人 アロカ
株式会社
−１1, 2, and 3 are structural explanatory diagrams showing preferred embodiments of the present invention.
・・・・・・・・・・・・・・・Reception-only transducer row 1
4.16 ...Transmission-only transducer row】8...
・・・・・・・・・・・・・・・Probe case 40.4
2 ... Parakink material 44, 46.48.5
0...Shaft screw 52.54...Knob 56.58...Indication spring 0Applicant Aloka Co., Ltd.-1
Claims (1)
ビーム走査を行う電子走査型超音波探触子において、振
動子群は同一ケース内に設けられた受信専用振動子列と
、受信専用振動子列の両側にそれぞれ配列された１組の
送信専用振動子列と、から成り、受信専用振動子列と各
送信専用振動子列は被検体表面から所定深さの集束点に
指向することを特徴とする電子走査型超音波探触子。 （２、特許請求の範囲（１）記載の装置において、各送
信専用振動子列の送信角度を調節設定する角度調節装置
を備えたことを特徴とする電子走査型超音波探触子。[Claims] (]) In an electronic scanning ultrasound probe that includes a group of arranged transducers and performs ultrasonic beam scanning on a subject, the group of transducers is a receiving-only vibration probe provided in the same case. A transducer row dedicated to reception and a set of transducer rows dedicated to transmission are arranged on both sides of the transducer row dedicated to reception. An electronic scanning ultrasonic probe characterized by being oriented toward a focal point. (2. An electronic scanning ultrasonic probe according to claim (1), characterized in that it is equipped with an angle adjustment device that adjusts and sets the transmission angle of each transmission-only transducer row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56143923A JPS5846949A (en) | 1981-09-14 | 1981-09-14 | Electron scanning type ultrasonic probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56143923A JPS5846949A (en) | 1981-09-14 | 1981-09-14 | Electron scanning type ultrasonic probe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5846949A true JPS5846949A (en) | 1983-03-18 |
| JPS6366533B2 JPS6366533B2 (en) | 1988-12-21 |
Family
ID=15350236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56143923A Granted JPS5846949A (en) | 1981-09-14 | 1981-09-14 | Electron scanning type ultrasonic probe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5846949A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011247676A (en) * | 2010-05-25 | 2011-12-08 | Toshiba Corp | Ultrasonic flaw detection device |
| JP2012170822A (en) * | 2011-02-17 | 2012-09-10 | Vivant Medical Inc | Energy-delivery device including ultrasound transducer array and phased antenna array |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5038429A (en) * | 1973-08-08 | 1975-04-09 | ||
| JPS5215917A (en) * | 1975-07-30 | 1977-02-05 | Hitachi Ltd | Gas turbine device for liquefide natural gas |
| JPS55154005U (en) * | 1979-04-24 | 1980-11-06 | ||
| JPS5838543A (en) * | 1981-08-31 | 1983-03-07 | 株式会社島津製作所 | Ultrasonic probe |
-
1981
- 1981-09-14 JP JP56143923A patent/JPS5846949A/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5038429A (en) * | 1973-08-08 | 1975-04-09 | ||
| JPS5215917A (en) * | 1975-07-30 | 1977-02-05 | Hitachi Ltd | Gas turbine device for liquefide natural gas |
| JPS55154005U (en) * | 1979-04-24 | 1980-11-06 | ||
| JPS5838543A (en) * | 1981-08-31 | 1983-03-07 | 株式会社島津製作所 | Ultrasonic probe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011247676A (en) * | 2010-05-25 | 2011-12-08 | Toshiba Corp | Ultrasonic flaw detection device |
| JP2012170822A (en) * | 2011-02-17 | 2012-09-10 | Vivant Medical Inc | Energy-delivery device including ultrasound transducer array and phased antenna array |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6366533B2 (en) | 1988-12-21 |
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