CN105193446A - Automatic extraction method for ultrasonic measurement values - Google Patents

Abstract

The invention discloses an automatic extraction method for ultrasonic measurement values. The method comprises steps as follows: (1), DICOM (digital imaging and communications in medicine) SR (structured reporting) is formed by acquiring data through ultrasonic equipment; (2), the DICOM SR is sent to a monitoring directory of an ultrasonic work station; (3), the ultrasonic work station receives and analyzes the DICOM SR, and display and backup of parameter measurement values and reporting printing are performed. Compared with the prior art, the method adopts one-button operation in the whole process and is implemented in a full-automatic manner, manual operation of a doctor is completely omitted, hand labor of the doctor is liberated, and the working efficiency of the doctor is improved. Besides, data acquired in the method directly come from the DICOM SR generated by equipment, the error rate of parameters in the intermediate link is reduced, a basis is provided for accurate judgment of the doctor, and medical disputes are avoided.

Description

A kind of extraction method of ultrasonic measurements

Technical field

The present invention relates to field of medical technology, particularly relate to a kind of extraction method of ultrasonic measurements.

Background technology

Measured value in ultrasonic diagnosis is the basic foundation that doctor makes diagnosis decision-making, and how exactly the measured value of extraction equipment becomes the Focal point and difficult point that ultrasonic workstation on market needs solution badly.

Most solution is in the market: doctor carries out craft according to the measured value that ultrasonic device shows and is entered into ultrasonic workstation, carries out reporting printing and data backup.On the one hand.Which increase the probability producing typing error due to carelessness, thus the diagnosis decision-making led to errors, cause medical tangle.From other one side, because ultrasonic diagnosis parameter is many, the manual typing of single parameter, will certainly reduce the work efficiency of doctor greatly.

Summary of the invention

Technical problem to be solved by this invention is: the extraction method providing a kind of ultrasonic measurements, the method can remove the manual operation of doctor completely, the manual labour of liberation doctor, improve the work efficiency of doctor, the data simultaneously obtained in the method are directed to the DICOMSR report that equipment produces, the error rate that parameter causes due to intermediate link can be reduced, accurately judge to provide basis for doctor makes, avoid medical tangle.

For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:

A kind of extraction method of ultrasonic measurements is provided, comprises:

(1) reported to form DICOMSR by ultrasonic device image data;

(2) DICOMSR report is sent to the monitored directory of ultrasonic workstation;

(3) ultrasonic workstation receives and resolves to carry out measured value of parameters display, backup and reporting printing to DICOMSR report.

Compared with prior art, method of the present invention is first reported to form DICOMSR by ultrasonic device image data; Again DICOMSR report is sent to the monitored directory of ultrasonic workstation; Last ultrasonic workstation receives and resolves to carry out measured value of parameters display, backup and reporting printing to DICOMSR report; Whole process one key operation, full-automatic realization, eliminate the manual operation of doctor completely, liberate the manual labour of doctor, improve the work efficiency of doctor, the data simultaneously obtained in the method are directed to the DICOMSR report that equipment produces, and reduce the error rate that parameter causes due to intermediate link, accurately judge to provide basis for doctor makes, avoid medical tangle.

Particularly, step (3) specifically comprises:

(21) ultrasonic workstation is monitored monitored directory in real time and whether is got DICOMSR file;

(22) when getting DICOMSR file, obtaining and judging whether the TAG_MODALITY value in DICOMSR file equals SR;

(23) when TAG_MODALITY value equals SR, step (24) is performed to resolve DICOMSR report, otherwise, then perform step (26);

(24) set up data set according to DICOMSR report, data set comprises all properties of measurement parameter;

(25) arrange filtercondition to filter data set, to extract measured value of parameters, and carry out showing, backing up and reporting printing;

(26) DICOMSR report is deleted.

Alternatively, DICOMSR report comprises ultrasonic department of obstetrics and gynecology PognM-epo, Vascular Ultrasonography PognM-epo and ultrasonic cardiography PognM-epo.

Particularly, all properties of data centralization comprises encoded radio (CV), measured value (Value), unit (Unit), fetus ID (FetalID), calculation equation (Equation), derivative value (Derivation), fullpath (FullCV), parameter name (EnName) and table name (TableName).

Preferably, arrange before filtercondition filters data set and also comprise:

Pretreatment is carried out to the fullpath of data centralization, fetus ID, calculation equation and derivative value.

Particularly, carry out pretreatment to fullpath specifically to comprise:

FullCV attribute is all increased when obtaining the value of each measurement parameter.

Particularly, carry out pretreatment to the described fetus ID of data centralization specifically to comprise:

Obtain the CV of first FetalID;

Judge whether the CV getting next FetalID, according to judged result, measurement parameters all before the CV of next FetalID is all belonged to A fetus;

By that analogy, until measure the measurement parameter of whole fetus.

Particularly, carry out pretreatment to the described calculation equation of data centralization specifically to comprise:

Judge whether containing ConceptSequence attribute item in the measurement parameter of NUM (numerical value) type, and containing Equation attribute in this attribute item;

Determine whether the measurement parameter of NUM (numerical value) type draws according to the Equation for Calculating in Equation according to judged result.

Particularly, carry out pretreatment to the described derivative value of data centralization specifically to comprise:

Judge whether containing ConceptSequence attribute item in the measurement parameter of NUM (numerical value) type, and containing Derivation attribute in this attribute item;

Determine that whether the measurement parameter of NUM (numerical value) type is the required derivative value extracted according to judged result.

Accompanying drawing explanation

Fig. 1 is the main flow chart of the inventive method.

Fig. 2 is allomeric function Applied Physics structure chart of the present invention.

Fig. 3 is that department of obstetrics and gynecology SR reports storage node composition.

Fig. 4 is the sub-process figure of step S13 in Fig. 1.

Fig. 5 is that department of obstetrics and gynecology PognM-epo measurement parameter extracts display effect figure.

Fig. 6 is the storage node composition of umbilical artery End diastolic velocity.

Fig. 7 is the storage node composition of multiple fetuses measurement parameter.

Fig. 8 is the storage node composition that different formulas calculates multiple fetal weight value.

Fig. 9 is the storage node composition of same parameters repetitive measurement.

Figure 10 is filtercondition configuration documentation schematic diagram.

Figure 11 is filtercondition configuration interface figure.

Detailed description of the invention

With reference now to accompanying drawing, describe embodiments of the invention, element numbers similar in accompanying drawing represents similar element.

Please refer to Fig. 1 and Fig. 2, method of the present invention mainly comprises:

S11, by ultrasonic device image data to form DICOMSR report;

S12, is sent to the monitored directory of ultrasonic workstation by DICOMC-Store flow process by DICOMSR report;

S13, ultrasonic workstation receives and resolves to carry out measured value of parameters display, backup (being stored in data base) and reporting printing to DICOMSR report.

Below, in order to describe the present invention in detail better, first following introduction is done to operation principle of the present invention:

First following explanation is done to DICOMSR report: DICOM (DigitalImagingandCommunicationsinMedicine, digital imaging and communications in medicine) is a kind of standard; And SR (StructuredReporting, Structure Report) is the one coding of non-image content, its content comprises one or more content item (node), and it is right with value that each node comprises a concept name.

Introduce the present invention by DICOMSR above to recognize, contain in medical document the recorded information measuring numerical value in DICOMSR report, this just provides intermediate carrier accurately for extraction equipment measured value of the present invention.In order to better serve medical information exchange and transmission in the formulation of DICOMSR reporting standards, add some professional templates in standard, comprising: OB-GYNREPORTTEMPLATES (ultrasonic department of obstetrics and gynecology PognM-epo), VASCULARULTRASOUNDREPORTTEMPLATES (Vascular Ultrasonography PognM-epo), ECHOCARDIOGRAPHYPROCEDUREREPORTTEMPLATES (ultrasoundcardiogram PognM-epo).Specification defines memory encoding, the information such as numerical value and structure thereof of some parameters in a template.In order to the more effective information utilizing these structural, the present invention, for department of obstetrics and gynecology PognM-epo, achieves the extracting method of DICOMSR reporting measurements.

According to the specialized newspaper slide former that DICOMSR specifies, the present invention is described resolving to resolve based on ultrasonic department of obstetrics and gynecology structured report, and this mode is suitable for other templates specified equally, and just the attribute of some parameter is not exclusively the same.According to the construction features of DICOMSR report, each measurement parameter, all appears in corresponding Content (content), and Content all appears at by the nested structure of Sequence (sequence) one by one, as shown in Figure 3.

And all containing ValueType (Value Types) property value in each Sequence, and ValueType just define this Sequence comprise the type of value, it comprises the types such as Container (container), NUM (numerical value), CODE (coding), TEXT (text), DATE (date), and NUM type and numeric type just the present invention resolve the type of needs.ConceptNameCodeSequence, MeasureValueSequence, ConceptSequence tri-attribute items generally can be comprised below each NUMSequence.The present invention is only concerned about content relevant with extracting parameter value of the present invention in above attribute item, as shown in the table:

Attribute item	Content
		ConceptNameCodeSequence	The coding of this measured value and implication
MeasureValueSequence	The numerical value of this measured value and unit
		ConceptSequence	Derivative value and measurement equation

Each parameter attribute that the present invention extracts all has explanation in above attribute item, as long as the present invention resolves according to the storage rule of parameter, and give corresponding parameter corresponding attribute assignment, such the present invention just defines all parameter data sets with property value in DICOMSR, so just can filter according to different attributes the data needed.

Please refer to Fig. 4 again, the sub-process figure of step S13 specifically comprises:

S41, ultrasonic workstation is monitored monitored directory in real time and whether is got DICOMSR file; In fact, monitored directory is a file, and ultrasonic device is sent to monitored directory measuring the DICOMSR obtained by DICOMC-Store flow process.Ultrasonic workstation monitors whole catalogue in real time, after getting DICOMSR file, enters into file process flow process.

S42, when getting DICOMSR file, obtaining and judging whether the TAG_MODALITY value in DICOMSR file equals SR, if so, then performs step S43, otherwise, then perform S46.

S43, set up data set according to DICOMSR report, data set comprises all properties of measurement parameter; Wherein, all properties of data centralization comprises encoded radio (CV), measured value (Value), unit (Unit), fetus ID (FetalID), calculation equation (Equation), derivative value (Derivation), fullpath (FullCV), parameter name (EnName) and table name (TableName).

S44, carries out pretreatment to the fullpath of data centralization, fetus ID, calculation equation and derivative value.

S45, arranges filtercondition and filters data set, to extract measured value of parameters, and carries out showing, backing up and reporting printing.Wherein, please refer to Fig. 5, for department of obstetrics and gynecology PognM-epo measurement parameter in the present invention be extracted after display effect figure.

S46, deletes DICOMSR report.

It should be noted that, step S403 has set forth excusing from death work station and has resolved the scheme setting up data set in the handling process of DICOMSR report, and step S404 has set forth the solution to several key issue in department of obstetrics and gynecology PognM-epo measured value leaching process.

Particularly, when realizing step S404, first a data set is set up, and this data set contains all properties of measurement parameter, comprise CV (encoded radio), Value (measured value), Unit (unit), FetalID (fetus ID), Equation (calculation equation), Derivation (derivative value), FullCV (fullpath), EnName (parameter name), TableName (table name) etc.Like this, just a series of relations such as the table name of the title of each parameter, size, unit, storage all can have been connected.Wherein, shown in data set is defined as follows:

In the definition of above attribute, respectively define the title of each attribute, field type and size, complete the foundation of the data set comprising each each attribute of measurement parameter.

And can learn from above-mentioned dissection process flow process, the each data of data centralization all comprise FullCV, FetalID, Equation, Derivation attribute, these attributes are data in order to accurately filter needs below and self-defined setting, are also to extract several key issues that measured value process solves.With this, be described to the key issue of above attribute concrete meaning and solution below:

(1) solve and only rely on CV (encoded radio) can not the problem of extracting parameter.

In the template that department of obstetrics and gynecology PognM-epo specifies, the storage organization of some parameter in SR report as shown in Figure 6.The present invention will obtain EndDiastolicVelocity (End diastolic velocity) value, and only uniquely can not determine it is the End diastolic velocity of UmbilicalArtery (umbilical artery) according to the CV of End diastolic velocity, also may be the End diastolic velocity of uterine artery.To this, solution of the present invention is: each parameter value all increases FullCV attribute when obtaining, and namely the CV of the every one-level of this parameter separates with " | " character string being combined into a complete CV.Umbilical artery End diastolic velocity FullCV is expressed as: " CV (umbilical artery) | CV (End diastolic velocity) " namely: " T-F1810|11653-3 ", just can obtain the unique value wanted during such filtering data collection.

(2) problem of multiple fetuses measured value is solved

Department of obstetrics and gynecology PognM-epo is resolved wherein a lot of measurement parameter and is related to the measurement of fetus parameter, and this will solve a crucial problem, if multiple fetus, how distinguishing this measurement parameter is A fetus or B fetus.According in the template that department of obstetrics and gynecology PognM-epo specifies, the measured value storage organization of multiple fetuses as shown in Figure 7.

As can be seen from above structure chart, each measured value of each fetus is all placed in respective nested structure.If extracting AbdominalCircumference (abdominal circumference) value so just uncertain is A fetus or B fetus on earth.To this, processing scheme of the present invention is: the CV getting first FetalID, and before the CV getting next FetalID, above all measurement parameters all belong to A fetus, and the attribute of each parameter FetalID obtained like this can automatic assignment A.In like manner, before the CV of the CV to the 3rd FetalID that get second FetalID, above all parameters belong to B fetus, FetalID attribute automatic assignment B.By that analogy, the measurement parameter that have found respective fetus is so just easy to.

(3) problem of same measured value by different Equation for Calculating is solved

In department of obstetrics and gynecology PognM-epo, have some measured values to be got by different computing formula, as fetal weight, it will store multiple value in DICOMSR report like this, as shown in Figure 8.

This measured value drawn according to different computing formula is all accurately above, and just account form is different, so, how to determine which is that the present invention will get? To this, solution of the present invention is: if the measurement parameter of NUM type contains ConceptSequence attribute item, and containing Equation attribute in this attribute item, like this this parameter be exactly according to Equation inside Equation for Calculating draw, when being increased to data set, the Equation attribute of this parameter is exactly corresponding accounting equation.Corresponding data just can be filtered so as required when filtering data.

(4) problem to same parameter repetitive measurement is solved

Some parameter repetitive measurement in department of obstetrics and gynecology PognM-epo, but finally only get a value, as meansigma methods, maximum etc., measured value so each time all can be stored in SR, and concrete storage organization is as shown in Figure 9.

Can find out according to above structure chart, three times are measured to BiparietalDiameter, but final real usefully last meansigma methods, how so take out last meansigma methods? To this, solution of the present invention is: if the measurement parameter of NUM type contains ConceptSequence attribute item, and containing Derivation attribute in this attribute item, this parameter is exactly the derivative value that we need like this, when being increased to data set, the Derivation attribute of this parameter is exactly corresponding derivative value.Corresponding data just can be filtered so as required when filtering data.

When below DICOMSR being reported to the formation of data set in resolving and extracts measured value, the solution of key issue describes in detail, below, set forth to the filtration of data set.

When filtering data set, all filterconditions are placed in an XML configuration file, and the filter document of formation as shown in Figure 10.Can learn from figure, according to above filtercondition, the present invention forms a new data set after the measurement parameter needed is filtered, and this data centralization increases the property values such as TableName, EnName, ChName, this measured value stores in just using with reality like this database table, field etc. have connected.In actual use, whether can also extract according to the free configuration parameter of the demand of oneself and formula selection, configuration interface as shown in figure 11.Whether above configuration interface is used for facilitating controling parameters to enable, namely whether at data centralization filtering data, and the computing formula of Selection parameter, so just can automatic filling and configurating filtered condition as required, and realize accurately extracting desired parameters.

As can be seen from the above description, method of the present invention is first reported to form DICOMSR by ultrasonic device image data; Again DICOMSR report is sent to the monitored directory of ultrasonic workstation; Last ultrasonic workstation receives and resolves to carry out measured value of parameters display, backup and reporting printing to DICOMSR report; Whole process one key operation, full-automatic realization, eliminate the manual operation of doctor completely, liberate the manual labour of doctor, improve the work efficiency of doctor, the data simultaneously obtained in the method are directed to the DICOMSR report that equipment produces, and reduce the error rate that parameter causes due to intermediate link, accurately judge to provide basis for doctor makes, avoid medical tangle.

More than in conjunction with most preferred embodiment, invention has been described, but the present invention is not limited to the embodiment of above announcement, and should contain various carry out according to essence of the present invention amendment, equivalent combinations.

Claims (9)

1. an extraction method for ultrasonic measurements, is characterized in that, comprising:

(1) reported to form DICOMSR by ultrasonic device image data;

(2) described DICOMSR report is sent to the monitored directory of ultrasonic workstation;

(3) described ultrasonic workstation receives and resolves to carry out measured value of parameters display, backup and reporting printing to described DICOMSR report.

2. the method for claim 1, is characterized in that, step (3) specifically comprises:

(21) described ultrasonic workstation is monitored described monitored directory in real time and whether is got DICOMSR file;

(22) when getting described DICOMSR file, obtaining and judging whether the TAG_MODALITY value in described DICOMSR file equals SR;

(23) when TAG_MODALITY value equals SR, perform step (24) and report to resolve described DICOMSR, otherwise, then perform step (26);

(24) set up data set according to described DICOMSR report, described data set comprises all properties of measurement parameter;

(25) arrange filtercondition to filter described data set, to extract described measured value of parameters, and carry out showing, backing up and reporting printing;

(26) delete described DICOMSR to report.

3. method as claimed in claim 2, is characterized in that, described DICOMSR report comprises ultrasonic department of obstetrics and gynecology PognM-epo, Vascular Ultrasonography PognM-epo and ultrasonic cardiography PognM-epo.

4. method as claimed in claim 3, it is characterized in that, all properties of described data centralization comprises encoded radio (CV), measured value (Value), unit (Unit), fetus ID (FetalID), calculation equation (Equation), derivative value (Derivation), fullpath (FullCV), parameter name (EnName) and table name (TableName).

5. method as claimed in claim 4, is characterized in that, arrange before filtercondition filters described data set and also comprise:

Pretreatment is carried out to the described fullpath of described data centralization, fetus ID, calculation equation and derivative value.

6. method as claimed in claim 5, is characterized in that, carry out pretreatment specifically comprise described fullpath:

FullCV attribute is all increased when obtaining the value of measurement parameter described in each.

7. method as claimed in claim 5, is characterized in that, carry out pretreatment specifically comprise the described fetus ID of described data centralization:

Obtain the CV of first FetalID;

Judge whether the CV getting next FetalID, according to judged result, measurement parameters all before the CV of next FetalID is all belonged to A fetus;

By that analogy, until measure the described measurement parameter of whole fetus.

8. method as claimed in claim 5, is characterized in that, carry out pretreatment specifically comprise the described calculation equation of described data centralization:

Judge whether containing ConceptSequence attribute item in the measurement parameter of NUM (numerical value) type, and containing Equation attribute in this attribute item;

Determine whether the measurement parameter of described NUM (numerical value) type draws according to the Equation for Calculating in Equation according to judged result.

9. method as claimed in claim 5, is characterized in that, carry out pretreatment specifically comprise the described derivative value of described data centralization:

Judge whether containing ConceptSequence attribute item in the measurement parameter of NUM (numerical value) type, and containing Derivation attribute in this attribute item;

Determine that whether the measurement parameter of described NUM (numerical value) type is the required described derivative value extracted according to judged result.