JP2010158374A5 - - Google Patents
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- JP2010158374A5 JP2010158374A5 JP2009002229A JP2009002229A JP2010158374A5 JP 2010158374 A5 JP2010158374 A5 JP 2010158374A5 JP 2009002229 A JP2009002229 A JP 2009002229A JP 2009002229 A JP2009002229 A JP 2009002229A JP 2010158374 A5 JP2010158374 A5 JP 2010158374A5
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- JP
- Japan
- Prior art keywords
- signal
- piezoelectric elements
- ultrasonic
- reception
- unit
- Prior art date
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Claims (2)
前記複数の圧電素子によって、所定方向にメインビームを形成した送信ビームの第１超音波信号を被検体内に送信するための送信信号を生成する送信部と、
前記所定方向に受信感度を持たせて、前記複数の圧電素子で受信された被検体内から来た第２超音波信号に基づいて第１受信信号を生成する第１受信部と、
前記所定方向の受信感度を無くして、前記複数の圧電素子で受信された被検体内から来た前記第２超音波信号に基づいて第２受信信号を生成する第２受信部と、
前記第１受信信号を前記第２受信信号に基づいて補正しつつ、前記第１受信信号に基づいて超音波画像を形成する画像処理部とを備え、
前記複数の圧電素子は、複数の圧電素子を含む第１および第２素子部を備え、
前記第１素子部は、前記第１超音波信号の送信および前記第１受信信号の生成のために使用され、
前記第２素子部は、前記第２受信信号の生成のために使用され、
前記第１および第２素子部は、外部に対し前記超音波信号の放射および入射する面から、前記第２素子部、前記第１素子部の順で前記超音波信号の放入射方向に積層されていること
を特徴とする超音波診断装置。 A plurality of piezoelectric elements comprising a piezoelectric material and capable of mutually converting signals between an electrical signal and an ultrasonic signal by utilizing a piezoelectric phenomenon;
A transmission unit that generates a transmission signal for transmitting a first ultrasonic signal of a transmission beam in which a main beam is formed in a predetermined direction by the plurality of piezoelectric elements into the subject;
A first receiving unit for generating a first received signal based on a second ultrasonic signal coming from within the subject received by the plurality of piezoelectric elements, with receiving sensitivity in the predetermined direction;
A second reception unit that eliminates the reception sensitivity in the predetermined direction and generates a second reception signal based on the second ultrasonic signal coming from within the subject received by the plurality of piezoelectric elements;
An image processing unit that forms an ultrasonic image based on the first received signal while correcting the first received signal based on the second received signal;
The plurality of piezoelectric elements include first and second element portions including a plurality of piezoelectric elements ,
The first element unit is used for transmitting the first ultrasonic signal and generating the first received signal ,
The second element unit is used for generating the second received signal ,
The first and second element portions are stacked in the direction in which the ultrasonic signal is emitted in the order of the second element portion and the first element portion from the surface on which the ultrasonic signal is emitted and incident to the outside. ultrasonic diagnostic apparatus characterized that you have been.
前記第１および第２受信部は、それぞれ、前記グループごとに前記第１および第２受信信号を生成すること
を特徴とする請求項１に記載の超音波診断装置。 The plurality of piezoelectric elements are grouped into a plurality of groups including a plurality of piezoelectric elements,
The ultrasonic diagnostic apparatus according to claim 1, wherein the first and second reception units generate the first and second reception signals for each group, respectively .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009002229A JP5169845B2 (en) | 2009-01-08 | 2009-01-08 | Ultrasonic diagnostic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009002229A JP5169845B2 (en) | 2009-01-08 | 2009-01-08 | Ultrasonic diagnostic equipment |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010158374A JP2010158374A (en) | 2010-07-22 |
| JP2010158374A5 true JP2010158374A5 (en) | 2011-07-14 |
| JP5169845B2 JP5169845B2 (en) | 2013-03-27 |
Family
ID=42575997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009002229A Expired - Fee Related JP5169845B2 (en) | 2009-01-08 | 2009-01-08 | Ultrasonic diagnostic equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5169845B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102695456B (en) * | 2010-11-09 | 2015-03-25 | 柯尼卡美能达株式会社 | Beam-forming method, ultrasonic diagnosis device, and integrated circuit |
| WO2013161320A1 (en) | 2012-04-27 | 2013-10-31 | パナソニック株式会社 | Beamforming method and diagnostic ultrasound apparatus |
| WO2014109392A1 (en) | 2013-01-11 | 2014-07-17 | 日立アロカメディカル株式会社 | Ultrasonic imaging device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2519327Y2 (en) * | 1990-11-30 | 1996-12-04 | 株式会社カイジョー | Directional beam output circuit |
| JP4125416B2 (en) * | 1998-03-26 | 2008-07-30 | フクダ電子株式会社 | Ultrasonic diagnostic equipment |
| JP3324992B2 (en) * | 1999-02-09 | 2002-09-17 | アロカ株式会社 | Ultrasound diagnostic equipment |
| JP2001238883A (en) * | 2000-02-29 | 2001-09-04 | Aloka Co Ltd | Ultrasound diagnostic equipment |
| JP4192598B2 (en) * | 2002-12-27 | 2008-12-10 | 株式会社日立メディコ | Ultrasonic diagnostic equipment |
| JP4235006B2 (en) * | 2003-02-12 | 2009-03-04 | アロカ株式会社 | Ultrasonic diagnostic equipment |
-
2009
- 2009-01-08 JP JP2009002229A patent/JP5169845B2/en not_active Expired - Fee Related
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