JPS63114613U - - Google Patents
Info
- Publication number
- JPS63114613U JPS63114613U JP685587U JP685587U JPS63114613U JP S63114613 U JPS63114613 U JP S63114613U JP 685587 U JP685587 U JP 685587U JP 685587 U JP685587 U JP 685587U JP S63114613 U JPS63114613 U JP S63114613U
- Authority
- JP
- Japan
- Prior art keywords
- blood flow
- flow velocity
- numerical
- display
- 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.)
- Granted
Links
- 230000017531 blood circulation Effects 0.000 claims description 12
- 238000002604 ultrasonography Methods 0.000 claims 2
- 239000000523 sample Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Image Processing (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Description
第１図は本考案の実施例に係る超音波診断装置
のブロツク図、第２図および第３図は血流スペク
トルの表示例を示す説明図で、第２図はエイリア
ジングが発生していない場合、第３図はエイリア
ジングが発生している場合の各状態を示している
。
１…超音波診断装置、２…設定手段（設定キー
）、３０…最大血流速演算手段、３２…数値算出
手段、３８…表示切り換え信号出力手段（数値表
示切り換えキー）、４０…数値拡大手段、５２…
表示アドスレ演算手段。
Fig. 1 is a block diagram of an ultrasonic diagnostic apparatus according to an embodiment of the present invention, Figs. 2 and 3 are explanatory diagrams showing display examples of blood flow spectra, and Fig. 2 shows no aliasing. In this case, FIG. 3 shows each state when aliasing occurs. DESCRIPTION OF SYMBOLS 1...Ultrasonic diagnostic device, 2...Setting means (setting key), 30...Maximum blood flow velocity calculation means, 32...Numeric value calculation means, 38...Display switching signal output means (Numeric display switching key), 40...Numeric value expansion means , 52...
Display address thread calculation means.
Claims (1)
波数、パルス繰り返し周波数、血流に対する超音
波ビームの入射角および血流速目盛りの分割数の
各値を設定する設定手段と、この設定手段で設定
された値に基づいて最大血流速を算出する最大血
流速演算手段と、この最大血流速演算手段で算出
された最大血流速および前記設定手段で設定され
た分割数の値に基づいて分割数に対応した各血流
速目盛りの正負の数値列を算出する数値列算出手
段とを備えた超音波診断装置において、 エイリアジングの発生の有無に応じて血流速目
盛りの数値表示を切り換える切り換え信号を出力
する表示切り換え信号出力手段と、 この表示切り換え信号出力手段からの表示切り
換え信号に応答して数値列範囲を正負両方向に２
倍に拡大する数値列拡大手段と、 この数値列拡大手段で拡大された数値列の拡大
部分の表示をエイリアジング発生部分の血流速の
大きさに対応して配列する表示アドレス演算手段
と、 を備えることを特徴とする超音波診断装置。[Claims for Utility Model Registration] Settings for setting the frequency of the ultrasound beam pulsed from the probe, the pulse repetition frequency, the angle of incidence of the ultrasound beam on the blood flow, and the number of divisions of the blood flow velocity scale. a maximum blood flow velocity calculation means for calculating a maximum blood flow velocity based on the value set by the setting means; and a maximum blood flow velocity calculated by the maximum blood flow velocity calculation means and set by the setting means. In an ultrasonic diagnostic apparatus, the ultrasonic diagnostic apparatus is equipped with a numerical sequence calculation means that calculates a positive and negative numerical sequence for each blood flow velocity scale corresponding to the number of divisions based on the value of the number of divisions, according to the presence or absence of aliasing. display switching signal output means for outputting a switching signal for switching the numerical display of the blood flow velocity scale; and a display switching signal output means for outputting a switching signal for switching the numerical display of the blood flow velocity scale;
a numerical string enlarging means for enlarging the numerical string by a factor of two; display address calculating means for arranging the display of the enlarged portion of the numerical string enlarged by the numerical string enlarging means in accordance with the magnitude of the blood flow velocity in the area where aliasing has occurred; An ultrasonic diagnostic device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987006855U JPH069615Y2 (en) | 1987-01-20 | 1987-01-20 | Ultrasonic diagnostic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987006855U JPH069615Y2 (en) | 1987-01-20 | 1987-01-20 | Ultrasonic diagnostic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63114613U true JPS63114613U (en) | 1988-07-23 |
| JPH069615Y2 JPH069615Y2 (en) | 1994-03-16 |
Family
ID=30789760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987006855U Expired - Lifetime JPH069615Y2 (en) | 1987-01-20 | 1987-01-20 | Ultrasonic diagnostic equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH069615Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02309934A (en) * | 1989-05-24 | 1990-12-25 | Toshiba Corp | Ultrasonic doppler blood flow measuring instrument |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6066732A (en) * | 1983-09-22 | 1985-04-16 | 株式会社東芝 | Ultrasonic pulse doppler apparatus |
| JPS61272036A (en) * | 1985-05-24 | 1986-12-02 | 富士通株式会社 | Average flow speed measuring apparatus |
-
1987
- 1987-01-20 JP JP1987006855U patent/JPH069615Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6066732A (en) * | 1983-09-22 | 1985-04-16 | 株式会社東芝 | Ultrasonic pulse doppler apparatus |
| JPS61272036A (en) * | 1985-05-24 | 1986-12-02 | 富士通株式会社 | Average flow speed measuring apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02309934A (en) * | 1989-05-24 | 1990-12-25 | Toshiba Corp | Ultrasonic doppler blood flow measuring instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH069615Y2 (en) | 1994-03-16 |
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