JPH0268808U - - Google Patents
Info
- Publication number
- JPH0268808U JPH0268808U JP14933688U JP14933688U JPH0268808U JP H0268808 U JPH0268808 U JP H0268808U JP 14933688 U JP14933688 U JP 14933688U JP 14933688 U JP14933688 U JP 14933688U JP H0268808 U JPH0268808 U JP H0268808U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic transducers
- ultrasonic
- transducers
- abnormality
- transmitter
- 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 4
- 230000005856 abnormality Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
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要部のブロツ
ク図、第２図はリンギング検出器の構成図、第３
図は上記実施例の作用を示す波形図、第４図ない
し第７図は従来例を説明するためのもので、第４
図はアニユラープローブの一部切欠側断面図、第
５図は第４図を右から見た正面図、第６図はトラ
ンスデユーサの説明図、第７図はアニユラープロ
ーブにおける超音波ビーム幅対探触面からの距離
特性線図である。
１ａ，１ｂ…送信器、２ａ，２ｂ…受信器、３
ａ，３ｂ，３ｎ…リンギング検出器、４…アナロ
グ処理部、５…デイジタル処理部、６，７，９…
抵抗、８…ダイオード、１０…コンパレータ、１
１…フリツプフロツプ、１２…入力端子、１３…
出力端子、１４…クリア入力端子、５３…多重円
環形トランスデユーサ、６１…円形振動子、６２
〜６４…円環振動子。
Fig. 1 is a block diagram of the main parts showing one embodiment of the present invention, Fig. 2 is a configuration diagram of a ringing detector, and Fig. 3 is a block diagram of the main part showing an embodiment of the present invention.
The figure is a waveform diagram showing the operation of the above embodiment, and Figures 4 to 7 are for explaining the conventional example.
The figure is a partially cutaway side sectional view of the annular probe, Figure 5 is a front view of Figure 4 seen from the right, Figure 6 is an explanatory diagram of the transducer, and Figure 7 is the ultrasonic beam in the annular probe. FIG. 3 is a characteristic diagram of width versus distance from the probe surface. 1a, 1b...transmitter, 2a, 2b...receiver, 3
a, 3b, 3n... Ringing detector, 4... Analog processing section, 5... Digital processing section, 6, 7, 9...
Resistor, 8...Diode, 10...Comparator, 1
1...Flip-flop, 12...Input terminal, 13...
Output terminal, 14... Clear input terminal, 53... Multiple annular transducer, 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、前記各超音波振動子にそれぞれ対応し
て接続された複数の送信器及び受信器とを備えた
超音波診断装置において、 前記各超音波振動子に対応する送信経路に、送
信信号の異常を検出する異常検出器をそれぞれ設
けた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, and a plurality of ultrasonic transducers connected in correspondence to each of the ultrasonic transducers. An ultrasonic diagnostic apparatus comprising a transmitter and a receiver, characterized in that an abnormality detector for detecting an abnormality in a transmitted signal is provided in a transmission path corresponding to each of the ultrasonic transducers. Diagnostic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14933688U JPH0268808U (en) | 1988-11-15 | 1988-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14933688U JPH0268808U (en) | 1988-11-15 | 1988-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0268808U true JPH0268808U (en) | 1990-05-24 |
Family
ID=31421470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14933688U Pending JPH0268808U (en) | 1988-11-15 | 1988-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0268808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002502622A (en) * | 1998-02-03 | 2002-01-29 | ボストン・サイアンティフィック・リミテッド | Ultrasound catheter with annular array structure |
-
1988
- 1988-11-15 JP JP14933688U patent/JPH0268808U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002502622A (en) * | 1998-02-03 | 2002-01-29 | ボストン・サイアンティフィック・リミテッド | Ultrasound catheter with annular array structure |
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