JPS59108604U - Ultrasonic pulse Doppler blood flow meter - Google Patents
Ultrasonic pulse Doppler blood flow meterInfo
- Publication number
- JPS59108604U JPS59108604U JP18687982U JP18687982U JPS59108604U JP S59108604 U JPS59108604 U JP S59108604U JP 18687982 U JP18687982 U JP 18687982U JP 18687982 U JP18687982 U JP 18687982U JP S59108604 U JPS59108604 U JP S59108604U
- Authority
- JP
- Japan
- Prior art keywords
- flow meter
- blood flow
- doppler
- ultrasonic
- doppler blood
- 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
- 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
第１図、第２図、第３図は従来の表示の例を示す図、第
４図は本考案の一実施例ブロック図、第５図ないし第８
図は本考案の実施例を説明する図である。
図中、１は送信アンプ、２はトランスデユーサ、３は受
信アンプ、４はドプラ検出部、５は周波数解析部（ＦＦ
Ｔ等）、６は演算部、６１．６２゜６５は平均値計算器
、７は表示部である。
補正 昭５９． ２．１６
実用新案登録請求の範囲を次のように補正する。
゛ ０実用新案登録請求の範囲
（１） 超音波を送信する送信アンプと、電気音響変
換を行なうトランスデユーサと、血液からの散乱波を受
信する受信アンプと、測定ポイントの一ドプラ信号を得
′るドプラ検出器と、ドプラ信号を周波数解析する周波
数解析部と、その結果を表示する表示部とを有する超音
波パルスドプラ血流計において、周波数解析部と表示部
との間に演算部を設けたことを特徴とする超音波パルス
ドプラ血流計。
（２）上記演算部が表示波形を時間軸に関して平均化す
ることを特徴とする実用新案登録請求の範囲第（１）項
記載の超音波パルスドプラ血旅計。
（３１上記演算部が表示波形を周波数軸に関して平均化
することを特徴とする実用新案登録請求の範囲第（１）
項記載の超音波パルスドプラ血流計。Figures 1, 2, and 3 are diagrams showing examples of conventional displays, Figure 4 is a block diagram of an embodiment of the present invention, and Figures 5 to 8.
The figure is a diagram illustrating an embodiment of the present invention. In the figure, 1 is a transmitting amplifier, 2 is a transducer, 3 is a receiving amplifier, 4 is a Doppler detector, and 5 is a frequency analyzer (FF
6 is an arithmetic unit, 61.62°65 is an average value calculator, and 7 is a display unit. Correction 1982. 2.16 The scope of claims for utility model registration shall be amended as follows.゛ 0 Scope of Utility Model Registration Claims (1) A transmitting amplifier that transmits ultrasonic waves, a transducer that performs electroacoustic conversion, a receiving amplifier that receives scattered waves from blood, and one point of measurement that obtains a Doppler signal. In an ultrasonic pulsed Doppler blood flow meter that has a Doppler detector, a frequency analysis section that performs frequency analysis of the Doppler signal, and a display section that displays the results, a calculation section is provided between the frequency analysis section and the display section. An ultrasonic pulsed Doppler blood flow meter characterized by: (2) The ultrasonic pulsed Doppler hematology meter according to claim (1), wherein the arithmetic unit averages the displayed waveform with respect to the time axis. (31 Utility model registration claim No. (1) characterized in that the arithmetic unit averages the displayed waveform with respect to the frequency axis)
Ultrasonic pulsed Doppler blood flow meter described in Section 2.
Claims (3)
行なうトランスデユーサと、血液からの散乱波を受信す
る受信アンプと、測定ポイントのドプラ信号を得るドプ
ラ検出器と、ドプラ信号を周波数解析する周波数解析部
と、その結果を表示する表示部とを有する超音波パルス
ドプラ血流計において、周波数解析部と表示部との間−
に表示波形を平滑化する演算部を設けたことを特徴とす
る超音波パルスドプラ血流計。(1) A transmitting amplifier that transmits ultrasonic waves, a transducer that performs electroacoustic conversion, a receiving amplifier that receives scattered waves from blood, a Doppler detector that obtains Doppler signals at measurement points, and a Doppler detector that converts Doppler signals into frequencies. In an ultrasonic pulsed Doppler blood flow meter that has a frequency analysis section that performs analysis and a display section that displays the results, between the frequency analysis section and the display section -
An ultrasonic pulse Doppler blood flow meter, characterized in that an arithmetic unit for smoothing a displayed waveform is provided in the ultrasonic pulse Doppler blood flow meter.
ることを特徴とする実用新案登録請求の範囲第（１）項
記載の超音波パルスドプラ血流計。(2) The ultrasonic pulse Doppler blood flow meter according to claim (1), wherein the calculation unit averages the displayed waveform with respect to the time axis.
することを特徴とする実用新案登録請求の範囲第（１）
項記載の超音波パルスドプラ血流計。(3) Utility model registration claim No. (1) characterized in that the arithmetic unit averages the displayed waveform with respect to the frequency axis.
Ultrasonic pulsed Doppler blood flow meter described in Section 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18687982U JPS59108604U (en) | 1982-12-10 | 1982-12-10 | Ultrasonic pulse Doppler blood flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18687982U JPS59108604U (en) | 1982-12-10 | 1982-12-10 | Ultrasonic pulse Doppler blood flow meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59108604U true JPS59108604U (en) | 1984-07-21 |
| JPH0143056Y2 JPH0143056Y2 (en) | 1989-12-14 |
Family
ID=30403533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18687982U Granted JPS59108604U (en) | 1982-12-10 | 1982-12-10 | Ultrasonic pulse Doppler blood flow meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59108604U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5863861A (en) * | 1981-09-21 | 1983-04-15 | シ−メンス・アクチエンゲゼルシヤフト | Method and device for measuring flow through ultrasonic pulse doppler method |
-
1982
- 1982-12-10 JP JP18687982U patent/JPS59108604U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5863861A (en) * | 1981-09-21 | 1983-04-15 | シ−メンス・アクチエンゲゼルシヤフト | Method and device for measuring flow through ultrasonic pulse doppler method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0143056Y2 (en) | 1989-12-14 |
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