JPS62157515U - - Google Patents
Info
- Publication number
- JPS62157515U JPS62157515U JP4638386U JP4638386U JPS62157515U JP S62157515 U JPS62157515 U JP S62157515U JP 4638386 U JP4638386 U JP 4638386U JP 4638386 U JP4638386 U JP 4638386U JP S62157515 U JPS62157515 U JP S62157515U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- doppler
- continuous wave
- switching
- signal
- 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 claims description 3
- 230000017531 blood circulation Effects 0.000 claims 3
- 238000001228 spectrum Methods 0.000 claims 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Description
第１図は本考案の一実施例の要部のブロツク図
、第２図は連続波ドツプラーとパルスドツプラー
との切換えのタイミングを示す説明図である。
１……探触子、２……連続波用送波回路、３…
…パルス波用送波回路、４……受波回路、５……
ドツプラー回路、６……表示器、７……心電計、
８……切換回路。
FIG. 1 is a block diagram of a main part of an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing the timing of switching between continuous wave Doppler and pulsed Doppler. 1... Probe, 2... Continuous wave transmission circuit, 3...
...Pulse wave transmitting circuit, 4... Receiving circuit, 5...
Doppler circuit, 6...display device, 7...electrocardiograph,
8...Switching circuit.
Claims (1)
により血流速を測定する超音波診断装置において
、 連続波用振動子およびパルス波用のアレイ状振
動子を備える探触子と、 前記連続波用振動子を駆動する連続波用送波回
路と、 前記アレイ状振動子を駆動するパルス波用送波
回路と、 前記探触子からのエコー信号を増幅検波する受
波回路と、 この受波回路のエコー信号からドツプラー信号
を抽出して血流スペクトルを算出するドツプラー
回路と、 前記血流スペクトルを表示する表示器と、 連続波ドツプラーとパルスドツプラーとの切換
えのための切換信号を発生する切換信号発生回路
と、 前記切換信号に基づいて、前記連続波用送波回
路または前記パルス波用送波回路による前記振動
子の駆動を切換える切換回路とを備えることを特
徴とする超音波診断装置。 (2) 前記切換信号発生回路は、ＥＣＧ信号を出
力する心電計である前記実用新案登録請求の範囲
第１項に記載の超音波診断装置。[Scope of Claim for Utility Model Registration] (1) In an ultrasonic diagnostic device that measures blood flow velocity using continuous wave Doppler and pulsed Doppler, a probe equipped with a continuous wave transducer and a pulsed wave array transducer a continuous wave transmitter circuit that drives the continuous wave transducer; a pulse wave transmitter circuit that drives the arrayed transducer; and a receiver circuit that amplifies and detects the echo signal from the probe. a Doppler circuit for extracting a Doppler signal from the echo signal of the wave receiving circuit to calculate a blood flow spectrum; a display for displaying the blood flow spectrum; and a display for switching between continuous wave Doppler and pulsed Doppler. A switching signal generating circuit that generates a switching signal; and a switching circuit that switches driving of the vibrator by the continuous wave transmitting circuit or the pulse wave transmitting circuit based on the switching signal. Ultrasonic diagnostic equipment. (2) The ultrasonic diagnostic apparatus according to claim 1, wherein the switching signal generation circuit is an electrocardiograph that outputs an ECG signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4638386U JPS62157515U (en) | 1986-03-28 | 1986-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4638386U JPS62157515U (en) | 1986-03-28 | 1986-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62157515U true JPS62157515U (en) | 1987-10-06 |
Family
ID=30865994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4638386U Pending JPS62157515U (en) | 1986-03-28 | 1986-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62157515U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58212434A (en) * | 1982-06-03 | 1983-12-10 | 松下電器産業株式会社 | Ultrasonic diagnostic apparatus |
| JPS5955244A (en) * | 1982-09-24 | 1984-03-30 | 富士通株式会社 | Ultrasonic diagnostic apparatus |
| JPS60256441A (en) * | 1984-06-02 | 1985-12-18 | 株式会社東芝 | Ultrasonic diagnostic apparatus |
-
1986
- 1986-03-28 JP JP4638386U patent/JPS62157515U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58212434A (en) * | 1982-06-03 | 1983-12-10 | 松下電器産業株式会社 | Ultrasonic diagnostic apparatus |
| JPS5955244A (en) * | 1982-09-24 | 1984-03-30 | 富士通株式会社 | Ultrasonic diagnostic apparatus |
| JPS60256441A (en) * | 1984-06-02 | 1985-12-18 | 株式会社東芝 | Ultrasonic diagnostic apparatus |
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