CN1190573A - Method of identifying time phase of state of organ to be observed, and ultrasonic diagnostic apparatus based on same - Google Patents
Method of identifying time phase of state of organ to be observed, and ultrasonic diagnostic apparatus based on same Download PDFInfo
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- CN1190573A CN1190573A CN97101846A CN97101846A CN1190573A CN 1190573 A CN1190573 A CN 1190573A CN 97101846 A CN97101846 A CN 97101846A CN 97101846 A CN97101846 A CN 97101846A CN 1190573 A CN1190573 A CN 1190573A
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Abstract
A ultrasonic diagnostic apparatus, which is used to inspect the functioning of heart based on ultrasnoic images sampled in the expansion period and the contraction period of the heart, includes means of sampling a ultrasonic image of the heart, means of remorizing the bionomic signal and ultrasonic image data, means of identifying automatically a time point of inspection to be of the expansion period or the contraction period of the heart based on the bionomic signal read out of the memory means, and means of analyzing the heart functioning based on the ultrasonic images sampled at the time points of inspection and the result of time phase identification.
Description
The present invention relates to a kind of organ state method of time phase of discerning, the periodic dilation of this organ and contractile motion can be used for checking according to ultrasonography the function of this organ, the invention still further relates to a kind of diagnostic ultrasound equipment, this device is checked the function of the organ with periodic dilation and contractile motion time phase by automatic identification device official state according to ultrasonic image.
Normally resemble the organ that heart has periodic dilation and contractile motion like this according to ultrasonography inspection.During checking cardiac function, the volume of the thickness of measured cardiac muscle and ventricle calculates the volume of heart by cardiac dilatation and during shrinking.
Specifically calculate cardiac dilatation capacity in latter stage according to the ultrasound data of gathering in cardiac dilatation latter stage, the ultrasound data of gathering latter stage according to heart contraction calculates heart contraction capacity in latter stage.Obtain spraying the blood ability according to the difference between cardiac dilatation capacity in latter stage and the heart contraction capacity in latter stage, burst size, each heart beating burst size and volume-variation figure etc. can estimate the weight of cardiac muscle according to the thickness of cardiac muscle.
As in expansion with the ultrasound data of gathering during shrinking, be data or the Syst data of expansionary phase the time phase that is necessary accurately to differentiate this organ state.
Routine examination based on the timeline image, as M mode image and doppler image, its implementation is such, after sampled images " is freezed " (fixing), a certain ecological signal with reference to getting off with image recording simultaneously as ECG (electrocardiogram) waveform, at first detects end-systole, next cursor is moved to systole on the ECG waveform, Syst data are sampled.Then, detect the expansion latter stage on the screen, cursor moves to the systole on the ECG waveform, and Syst data are sampled.
The inspection personnel need press the data sampling key in a certain new position (time point) of cursor, and according to the judgement of inspection personnel oneself to expansionary phase or systole data sampling time, takes other key operations to send instruction to device.To expansionary phase or Syst wrong input producing wrong analysis result.
Therefore, people require automatically to discern expansionary phase or Syst data sampling time point, with minimizing inspection personnel's key operation, and require diagnostic ultrasound equipment to have automatic time phase identification system.
Therefore, an object of the present invention is to provide the method for the time phase of a kind of automatic identification expansionary phase and systole organ state,, provide a kind of diagnostic ultrasound equipment simultaneously with distinguishing ability time phase to reduce inspection personnel's button operation.
Aspect first, the invention belongs to a kind of time phase of discrimination method, during checking, according to the ultrasonography of organ expansionary phase and systole sampling, with reference to biological signals, this method is identified in the ultrasonography of expansionary phase or systole random time point sampling automatically.
Automatically near screen cursor, show the time phase of identification, and be imported into diagnostic ultrasound equipment to simplify inspection personnel's operation.
Aspect second, the invention belongs to a kind of diagnostic ultrasound equipment, this device is according at the ultrasonography of organ expansionary phase and systole sampling organ being checked, this device comprises the bio signal in the experiment and the memory of live body ultrasonography, is identified in the device of the ultrasonography of expansionary phase or systole random time point sampling automatically with reference to this bio signal.According to the preset time zone recognition time phase place automatically that with the reference position of the bio signal read from storage device (as, R ripple) is the center.
Aspect the 3rd, the invention belongs to a kind of diagnostic ultrasound equipment, this device is according to checking cardiac function at the ultrasonography of cardiac dilatation phase and systole sampling, this device comprises: heart ultrasonic image sampling device; The bio signal checkout gear; Bio signal and the ultrasonography that is provided by bio signal checkout gear and ultrasonography sampling apparatus is provided respectively for storage device, this device; Automatically discern the device of cardiac dilatation phase or systole sampled images time point; And according to the device of the ultrasonography analysis of cardiac function of the time phase that time phase, recognition device was discerned.
In the diagnostic ultrasound equipment in this respect, the time phase of the heart state of the random time point of checking for identification accurately, preferably time phase recognition device be designed to R ripple with reference to the peak value of formation bio signal.
The time phase of the heart state of the random time point of checking for identification accurately, preferably time phase recognition device be designed to reference to respect to the scheduled time zone of the R ripple foundation of bio signal.
Aspect the 4th, the invention belongs to a kind of diagnostic ultrasound equipment that derives from from second aspect, its characteristics are, this device comprises the display device of bio signal and ultrasonography, with the device of input checking point on the shown bio signal waveform of display device, so that time phase, recognition device was automatically discerned the time phase of putting input time.
Aspect the 5th, the invention belongs to a kind of diagnostic ultrasound equipment that derives from from the 4th aspect, its characteristics are, the bio signal and the ultrasonography in a plurality of cycles of memory device stores organ state, and display device shows bio signal and the ultrasonography that storage device is read.
Aspect the 6th, the invention belongs to the diagnostic ultrasound equipment that derives from from fourth aspect, its characteristics are that bio signal is the ECG signal, and time phase, recognition device was discerned expansionary phase or Syst time point according to the R ripple of ECG signal.
The time phase of expansionary phase or systole state can be automatically discerned in recognition methods time phase of first aspect.
The diagnostic ultrasound equipment of second aspect can automatically be discerned the time phase of expansionary phase or systole state.
The diagnostic ultrasound equipment of the third aspect can be with reference to the bio signal of reading from memorizer, time point by automatic identification expansionary phase and each inspection of systole, according to the ultrasonography of sampling and storing, the function of analysis of cardiac at a plurality of time points that the inspection personnel instructed.
Therefore, might provide a kind of diagnostic ultrasound equipment, this device can be discerned the time phase of expansionary phase or systole state automatically.
By below in conjunction with the narration of accompanying drawing, will understand other purposes of the present invention and advantage to most preferred embodiment of the present invention.
Fig. 1 is based on the block diagram of the diagnostic ultrasound equipment circuit of embodiments of the invention;
Fig. 2 is based on the process chart of recognition methods time phase of embodiments of the invention;
Fig. 3 is used for illustrating the M mode image that shows and the oscillogram of bio signal on screen;
Fig. 4 A and 4B are used for illustrating the B pattern that shows and the oscillogram of bio signal on screen.
At first will be with reference to the structure of figure 1 explanation diagnostic ultrasound equipment of the present invention and the basic operation of each functional device.
Will comprise organ by checked live body 1, suppose that in the present embodiment this organ is a heart with periodic dilation and contractile motion.Probe 100 is used for receiving ultrasound wave to live body 1 emission ultrasound wave with from this live body, and electrode 20 is used for reading bio signal from live body.
Transmission/receiving unit 110 produces and sends ultrasound wave to probe 100, and the ultrasound wave that returns that is detected by probe 100 is carried out multiple reception handle.The inverse signal that transmission/receiving unit 110 is produced delivers to that signal processing 120 is carried out multiple different signal processing so that produce the data that are used for multiple checking mode.
Bio signal processing section 130 receives the bio signal that is detected by electrode 20, and this signal is handled the electrogram (current potential of muscle) that the ECG waveform is represented in generation.
Diagnostic data processing section 140 acknowledge(ment) signal processing sections, 120 handled inverse signals and bio signal processing section 130 handled bio signals, and by identification inverse signal expansionary phase or Syst time phase the analysis of cardiac function.Diagnostic data processing section 140 comprises: the photographs memorizer 141 of storage signal processing section 120 view data; The memorizer 143 of storage bio signal; With reference to the scheduled time zone of being set up with respect to the R ripple of bio signal, discern the recognition device 142 of the time phase of heart state at the arbitrary instruction time point; With being put, the instruction time goes up the analysis part 144 that cardiac function is analyzed.
The input equipment 150 that the inspection personnel is used for importing instruction and data comprises keyboard, tablet, Genius mouse, and trach-ball pointer.In the present embodiment, keyboard is used for determining the time point that cardiac function is analyzed.
The whole device of control section 160 control, especially according to the input control display screen curtain of keyboard 150, the processing procedure of control analysis part 144.
Working under control section 60 controls in cursor display part 170, produces the signal of display highlighting, and this signal indication is by the time point of inspection personnel with keyboard 150 inputs.
Narrate the operation of the recognition time phase place of above-mentioned diagnostic ultrasound equipment below with reference to the flow process of Fig. 2.
Beginning, control section 160 are with all functions initialization block: (step S1).Transmission/receiving unit 110 produces ultrasonic signal, and probe 10 also receives from the ultrasound wave of live body 1 reflection to live body 1 emission ultrasonic beam.
110 pairs of ultrasound wave that return of transmission/receiving unit receive processing, and 120 pairs of inverse signals of signal processing are handled and produced B pattern, any one view data in M pattern and the doppler mode.
During these are handled, electrode 20 detection of biological signal from the live body 1, this signal is handled the generation biological signal data by bio signal processing section 130.
Fig. 3 is illustrated in the screen display under a certain pattern, and it comprises by ultrasonic beam shine the M mode image that the observation place produced of ventricle and the ECG waveform of the bio signal that shows on common time shaft.On screen, time course is from left to right.
For analysis of cardiac function (below will explain), the inspection personnel can be along the time shaft moving cursor by the key on the operation keyboard 150.
Fig. 4 A and 4B have represented on screen shown at the M mode image of point sampling and the ECG waveform of bio signal sometime.For analysis of cardiac function (below will explain), the inspection personnel can be along the time shaft moving cursor by the key on the operation keyboard 150.The B mode image of the time of cursor indication will show.Fig. 4 A and 4B represent the B mode image by the determined different time point place sampling of cursor position.
Time-quantum method on the screen is set makes the R ripple that at least two ECG waveforms on screen, occur, the demonstration of Fig. 3 and Fig. 4 comprises three and two R ripples respectively, it can observe comprise expansionary phase and Syst heart state a complete cycle so that it is analyzed.
Under the situation that shows ultrasonography and bio signal waveform, the inspection personnel can " freeze " demonstration by operation keyboard 150 at a certain time point that needs, time-out is to the sampling of image and waveform, and with the data storage of this time point in photographs memorizer 141 and bio signal memorizer 143 so that later check and analysis.At this moment, the inspection personnel can observe another time point by moving cursor.
The photographs memorizer has the ability of sequentially storing the multiple image data display, and as the view data picture more than 100, this view data picture is produced by signal processing 120.The instruction of the freeze frame that sends by keyboard 150 according to the inspection personnel, control section 160 suspends storing image data in the photographs memorizer, inspection personnel then carry out following operating procedure.
Forward/backward key on inspection personnel's operation keyboard 150 moves on to the position of about indication at expansion latter stage or end-systole ECG waveform with cursor.The command signal that control section 160 responses are sent from keyboard 150 is operated cursor control section 170 and cursor is relocated on screen according to instruction.The cursor move signal of diagnostic data processing section 140 same response keyboards 150, to discerning the time phase of the heart state on the new cursor position, that is, time point is at systole or in expansionary phase.
Specifically, identification division 142 is the time (step S4 among Fig. 2) of the scheduled time zone identification cursor indication of benchmark according to the R ripple with bio signal, and as Fig. 3 and Fig. 4 A, 4B for example shown in, near cursor with the result (step S5) who has hatched blockage labelling identification.
With reference to the peak value R ripple of bio signal, can be convenient to determining of time point, and make it possible to accurately recognition time phase place.It guarantees to cover for an included systole of recognition time phase place and analysis of cardiac function and the complete period of state of expansionary phase simultaneously.
For near the result of identification time phase cursor position, time point is at systole or near expansionary phase, labelling all was presented at this cursor.At Fig. 3 and Fig. 4 A, 4B for example in, display position is represented with having hatched blockage.
When the inspection personnel at the review time of cursor indication point (systole or expansionary phase), when sending analysis instruction (step S6) by keyboard 150, a series of images data from freeze-off time T to cursor position t, that is, the view data during the T-t reads and delivers to analysis part 144 from the photographs memorizer.
Specifically, Syst ultrasonography data (as, the view data of locating at the time point (a) of solid line cursor mark indication) and the Syst sign of representing identification division 142 to be discerned at first are put into analysis part 144.Then, the instruction of moving along with inspection personnel's cursor and the beginning of analysis, the view data of expansionary phase (view data of locating as the time point (B) of the dotted line cursor mark indication among Fig. 3) and represent the sign of the expansionary phase that identification division 142 discerned to be put into analysis part 144 (step S3-S7 among Fig. 2).
Identification division 142 has 300 milliseconds the scheduled time scope (being shown by the A segment table among Fig. 3) of the R ripple from 50 milliseconds to the ECG waveform, and as the Syst time range of hypothesis, with another 300 milliseconds of time range of 50 milliseconds (showing) by the B segment table among Fig. 3 to next R ripple from the R ripple of ECG waveform, and the time range of the expansionary phase of conduct hypothesis, therefore, put expansionary phase or systole making judgement in the review time of its instruction for the inspection personnel.
According to the view data of systole that is received and expansionary phase with to the heart state recognition result of time phase, analysis part 144 comes cardiac function is analyzed (step S8 among Fig. 2) by difference and the rate of change that calculates these data.Analysis result shows on display device 190, simultaneously, through data/address bus (not showing among the figure) result is delivered to ppu or data storage cell.
As mentioned above, only need operation keyboard 150 moving cursors to recall photographs according to inspection personnel of the present invention and send the instruction that begins to analyze.
The result, needed expansionary phase or the Syst instruction of making according to inspection personnel's judgement of conventional equipment replaced by automatic time phase identification process, therefore, improved the operational capacity of testing fixture, and, can eliminate analysis result by the artificial mistake that error in judgement caused to the cycle.
Claims (6)
- One kind time phase discrimination method, be used for during checking, the described ultrasonography according to the sampling of organ expansionary phase and systole with reference to biological signals, is identified in the described ultrasonography of expansionary phase or Syst random time point sampling automatically.
- 2. diagnostic ultrasound equipment, this device is according to organ being checked in the expansionary phase of organ and the ultrasonography of systole sampling described device comprises;The bio signal of the live body in the storage experiment and the storage device of described ultrasonography,With reference to described bio signal, be identified in the device of the described ultrasonography of expansionary phase or systole random time point sampling automatically.
- 3. the diagnostic ultrasound equipment of claim 2, it is characterized in that, described device comprise the display device that shows described bio signal and described ultrasonography and on the described bio signal waveform that described display device shows the time point of input checking so that the input equipment of the time phase of identification described input time of point automatically of recognition device time phase.
- 4. the diagnostic ultrasound equipment of claim 3, it is characterized in that, the described bio signal in described memory device stores organ a plurality of cycles of state and described ultrasonography, display device shows described bio signal and the described ultrasonography of reading from storage device.
- 5. claim 3 or 4 diagnostic ultrasound equipment is characterized in that described bio signal is the ECG signal, and described time phase, recognition device was according to identification expansionary phase of the R ripple in the described ECG signal or Syst time point.
- 6. according to the diagnostic ultrasound equipment of checking cardiac function at the ultrasonography of cardiac dilatation phase and systole sampling, described device comprises:The sampling apparatus of described heart ultrasonic image,The device of detection of biological signal,Described bio signal and described hyperacoustic storage device that storage is provided by described bio signal checkout gear and described ultrasonography sampling apparatus respectively;Automatically discern the recognition device of heart sampled images time point in described expansionary phase and described systole,According to the analytical equipment of analyzing described cardiac function by the ultrasonography of the described time phase that recognition device is discerned time phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97101846A CN1106825C (en) | 1997-02-13 | 1997-02-13 | Method of identifying time phase of state of organ to be observed, and ultrasonic diagnostic apparatus based on same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN97101846A CN1106825C (en) | 1997-02-13 | 1997-02-13 | Method of identifying time phase of state of organ to be observed, and ultrasonic diagnostic apparatus based on same |
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| Publication Number | Publication Date |
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| CN1190573A true CN1190573A (en) | 1998-08-19 |
| CN1106825C CN1106825C (en) | 2003-04-30 |
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| CN97101846A Expired - Fee Related CN1106825C (en) | 1997-02-13 | 1997-02-13 | Method of identifying time phase of state of organ to be observed, and ultrasonic diagnostic apparatus based on same |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100403989C (en) * | 2002-03-29 | 2008-07-23 | 松下电器产业株式会社 | Image processing device and ultrasonic diagnostic device |
| CN100531675C (en) * | 2005-04-12 | 2009-08-26 | 株式会社东芝 | Ultrasonic diagnosis device and its image processing device and method |
| CN103908279A (en) * | 2013-01-07 | 2014-07-09 | 上海联影医疗科技有限公司 | Method for identifying heart status time phase |
| CN103974661A (en) * | 2011-12-21 | 2014-08-06 | 株式会社日立医疗器械 | Medical diagnostic imaging apparatus and phase determination method using medical diagnostic imaging apparatus |
| CN104703539A (en) * | 2012-10-04 | 2015-06-10 | 柯尼卡美能达株式会社 | Image processing device and program |
| CN104968279A (en) * | 2013-01-17 | 2015-10-07 | 皇家飞利浦有限公司 | Eliminating motion effects in medical images caused by physiological function |
| CN106073711A (en) * | 2011-05-02 | 2016-11-09 | 加利福尼亚大学董事会 | For rebuilding the system and method for heart excitement information |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005342006A (en) * | 2004-05-31 | 2005-12-15 | Toshiba Corp | Ultrasonic diagnosing device, ultrasonic image processing device, and ultrasonic signal processing program |
| JP4649147B2 (en) * | 2004-08-31 | 2011-03-09 | 株式会社東芝 | Ultrasonic diagnostic equipment |
| US11367193B2 (en) | 2019-12-31 | 2022-06-21 | Uih America, Inc. | Systems and methods for medical imaging |
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| US3954098A (en) * | 1975-01-31 | 1976-05-04 | Dick Donald E | Synchronized multiple image tomographic cardiography |
| US5241473A (en) * | 1990-10-12 | 1993-08-31 | Ken Ishihara | Ultrasonic diagnostic apparatus for displaying motion of moving portion by superposing a plurality of differential images |
| JP3392482B2 (en) * | 1993-11-05 | 2003-03-31 | 株式会社東芝 | Cardiac function test system |
| DE19524880C2 (en) * | 1994-07-15 | 2000-09-21 | Agilent Technologies Inc | Real-time endocardial ultrasound displacement display |
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1997
- 1997-02-13 CN CN97101846A patent/CN1106825C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100403989C (en) * | 2002-03-29 | 2008-07-23 | 松下电器产业株式会社 | Image processing device and ultrasonic diagnostic device |
| CN100531675C (en) * | 2005-04-12 | 2009-08-26 | 株式会社东芝 | Ultrasonic diagnosis device and its image processing device and method |
| CN106073711A (en) * | 2011-05-02 | 2016-11-09 | 加利福尼亚大学董事会 | For rebuilding the system and method for heart excitement information |
| CN103974661A (en) * | 2011-12-21 | 2014-08-06 | 株式会社日立医疗器械 | Medical diagnostic imaging apparatus and phase determination method using medical diagnostic imaging apparatus |
| CN103974661B (en) * | 2011-12-21 | 2016-08-24 | 株式会社日立制作所 | Medical diagnostic imaging apparatus and employ the phase decision method of medical diagnostic imaging apparatus |
| CN104703539A (en) * | 2012-10-04 | 2015-06-10 | 柯尼卡美能达株式会社 | Image processing device and program |
| CN104703539B (en) * | 2012-10-04 | 2018-04-10 | 柯尼卡美能达株式会社 | Image processing apparatus and program |
| CN103908279A (en) * | 2013-01-07 | 2014-07-09 | 上海联影医疗科技有限公司 | Method for identifying heart status time phase |
| CN103908279B (en) * | 2013-01-07 | 2017-07-28 | 上海联影医疗科技有限公司 | A kind of recognition methods of heart state time phase |
| CN104968279A (en) * | 2013-01-17 | 2015-10-07 | 皇家飞利浦有限公司 | Eliminating motion effects in medical images caused by physiological function |
| CN104968279B (en) * | 2013-01-17 | 2018-08-10 | 皇家飞利浦有限公司 | Eliminating to move caused by physiological function in medical image influences |
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| CN1106825C (en) | 2003-04-30 |
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