JPH0268809U - - Google Patents
Info
- Publication number
- JPH0268809U JPH0268809U JP14718188U JP14718188U JPH0268809U JP H0268809 U JPH0268809 U JP H0268809U JP 14718188 U JP14718188 U JP 14718188U JP 14718188 U JP14718188 U JP 14718188U JP H0268809 U JPH0268809 U JP H0268809U
- Authority
- JP
- Japan
- Prior art keywords
- doppler
- continuous wave
- transmission
- ultrasonic
- delay circuit
- 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
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000003745 diagnosis Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 2
- 238000002604 ultrasonography Methods 0.000 claims 3
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000003384 imaging method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図はＣＷドプラ診断時の説明図、第３図ない
し第５図は従来例を説明するためのもので、第３
図はアニユラープローブの一部切欠側断面図、第
４図は第３図を右から見た正面図、第５図はトラ
ンスデユーサの説明図である。
１…アニユラープローブ、２ａ〜２ｄ…送信器
、３…送信用遅延回路、４，８，１４…切替スイ
ツチ、５ａ〜５ｄ…受信器、６…受信用遅延回路
、７…アナログ回路部、９…デイジタルスキヤン
コンバータ（ＤＳＣ）、１０…モニタ、１１…ド
プラ信号処理回路、１２…Ｂモード用パルス発生
器、１３…連続波発生器、５３…トランスデユー
サ、５５…伝動機構部、６１…円形振動子、６２
〜６４…円環振動子。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Figure 2 is an explanatory diagram for CW Doppler diagnosis, Figures 3 to 5 are for explaining conventional examples, and Figure 3
4 is a front view of FIG. 3 viewed from the right, and FIG. 5 is an explanatory diagram of the transducer. DESCRIPTION OF SYMBOLS 1... Annular probe, 2a-2d... Transmitter, 3... Delay circuit for transmission, 4, 8, 14... Changeover switch, 5a-5d... Receiver, 6... Delay circuit for reception, 7... Analog circuit section, 9 ...Digital scan converter (DSC), 10...Monitor, 11...Doppler signal processing circuit, 12...B-mode pulse generator, 13...Continuous wave generator, 53...Transducer, 55...Transmission mechanism section, 61...Circular Vibrator, 62
~64...Circular oscillator.
Claims (1)
環形トランスデユーサを持つ機械走査形セクタプ
ローブと、送信用タイミングパルスを発生するパ
ルス発生器と、前記送信用タイミングパルスを遅
延させた送信信号を前記超音波振動子にそれぞれ
供給して超音波ビームの焦点を可変とするための
送信用遅延回路と、前記超音波ビームの反射波に
よる受信信号をそれぞれ遅延させる受信用遅延回
路と、この受信用遅延回路の出力信号から被検体
の断層像を得る画像生成手段とを備えた超音波診
断装置において、 前記断層像を得るための断層像撮像モードと超
音波ドプラ診断を行なうための連続波ドプラ診断
モードとを切り替え可能とし、前記連続波ドプラ
診断モードにおいて連続波信号を出力する連続波
発生器と、前記連続波信号が前記送信用遅延回路
を介し送信信号としてそれぞれ供給される複数の
超音波振動子を除いた他の超音波振動子による受
信信号を処理するドプラ信号処理回路とを備え、
このドプラ信号処理回路の出力信号に基づいて連
続波ドプラ診断を行なうことを特徴とする超音波
診断装置。[Claims for Utility Model Registration] A mechanical scanning sector probe having multiple annular transducers in which a plurality of ultrasonic transducers are arranged concentrically, a pulse generator for generating timing pulses for transmission, and a pulse generator for generating timing pulses for transmission; a transmission delay circuit for supplying a transmission signal with a delayed timing pulse to each of the ultrasound transducers to make the focus of the ultrasound beam variable; and a transmission delay circuit for respectively delaying a reception signal by a reflected wave of the ultrasound beam. An ultrasonic diagnostic apparatus comprising a reception delay circuit and an image generation means for obtaining a tomographic image of a subject from an output signal of the reception delay circuit, comprising: a tomographic imaging mode for obtaining the tomographic image; and an ultrasonic Doppler a continuous wave generator capable of switching between a continuous wave Doppler diagnostic mode for performing diagnosis, and outputting a continuous wave signal in the continuous wave Doppler diagnostic mode; and a Doppler signal processing circuit that processes signals received by other ultrasonic transducers other than the plurality of ultrasonic transducers supplied respectively,
An ultrasonic diagnostic apparatus characterized by performing continuous wave Doppler diagnosis based on the output signal of the Doppler signal processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14718188U JPH0268809U (en) | 1988-11-11 | 1988-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14718188U JPH0268809U (en) | 1988-11-11 | 1988-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0268809U true JPH0268809U (en) | 1990-05-24 |
Family
ID=31417350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14718188U Pending JPH0268809U (en) | 1988-11-11 | 1988-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0268809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008509777A (en) * | 2004-08-17 | 2008-04-03 | テクニオン リサーチ アンド ディベロップメント ファウンデーション リミテッド | Treatment of tissue damage by image guidance using ultrasound |
-
1988
- 1988-11-11 JP JP14718188U patent/JPH0268809U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008509777A (en) * | 2004-08-17 | 2008-04-03 | テクニオン リサーチ アンド ディベロップメント ファウンデーション リミテッド | Treatment of tissue damage by image guidance using ultrasound |
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