CN106108924A - For the method recording medical inspection - Google Patents

Abstract

The present invention relates to a kind of for the method for the medical inspection of record check object on the somascope of imaging, have steps of: scanning (S101) checks object, to gather three-dimensional volumetric data sets；Volumetric data sets according to being used for recording medical inspection generates (S102) multiple continuous print sectional drawing；Automatically select (S103) based on sectional quantity and arrange sectional layout for rectangular ground；And printing (S104) has the film of selected layout.

Description

For the method recording medical inspection

Technical field

The present invention relates to a kind of for record check object on imager and on medical inspection instrument The method of medical inspection.

Background technology

Record to radioexmination belongs to the old process of medical inspection, and wherein record is produced Image.Can be by traditional film function record check at this.For this by the glue of film like Sheet or photographic paper are used as printout.Patient is given, with can be in follow-up inspection by these printouts Show in looking into.

In computed tomography checks, the review time is partly less than two minutes.To record The review time between 60% and 100% added is needed for job step.Wherein to each Manually and time-consumingly mate printout for each medical inspection of patient, thus reduce trouble Person's flow.

Summary of the invention

The task of the present invention is, more effectively and more saves the note carrying out medical inspection temporally Record.

This task is solved by the theme according to independent patent claim.Advantageous embodiment It is accompanying drawing and the theme of dependent patent claims elaboration.

According to the first aspect of the invention, by for record check pair on the somascope of imaging The method of the medical inspection of elephant solves this task, and the method has steps of: scanography pair As, to gather three-dimensional volumetric data sets；According to the volumetric data sets for recording medical inspection Generate multiple continuous print sectional drawing；It is automatically selected for rectangular ground based on sectional quantity Arrange sectional layout；And print the film having selectable layout.The most such as realize Techniques below advantage, i.e. rapidly and without generating this record with manually intervening.Can optimize Ground utilizes the material of film by layout.Wherein can provide the user one or more cloth Office, these layouts are automatically based on predetermined rule generation and it meets predetermined requirement, and use Family is unnecessary carries out manual adjustment.

In the present invention one advantageous embodiment, type based on medical inspection determines section The quantity of figure.The most such as realize techniques below advantage, i.e. can be automatic according to the type checked Ground generates the sectional drawing of necessary quantity, such as, can be selected differently from for cardiac work up and examine into pulmonary Look into the additional amount of sectional drawing of selection.

In another advantageous embodiment of the method, based on use in the inspection of imaging Scan report determines sectional quantity.The most such as realize techniques below advantage, i.e. according to sweeping Retouch report and can automatically generate sectional required quantity.

In another advantageous embodiment of the method, automatically reduced section by parser The quantity of figure.The most such as realize techniques below advantage, i.e. only consider when structure arrangement to close Suitable sectional drawing.This parser can reduce this sectional quantity to one value, Qi Zhongneng Enough arrange these sectional drawings with N × Metzler matrix.

In another advantageous embodiment of the method, this parser is removed and is positioned at layout Sectional drawing at the initial and ending of image sequence.The most such as realize techniques below advantage, example Sectional drawing as relevant to record in retained minority.

In another advantageous embodiment of the method, this parser performs entropy analysis, with Determine sectional Information Meter.The most such as realize techniques below advantage, i.e. can determine each Sectional information content and can being stored in relative index.

In another advantageous embodiment of the method, this parser is in sectional centre Ratio performs entropy analysis with having higher weight at sectional edge.The most such as below realizing Technological merit, i.e. better accounts for relevant information in sectional drawing.

In another advantageous embodiment of the method, the volume of this parser analyzing three-dimensional Data set, to determine the area of space of the anatomical structure checked in object.The most such as realize with Lower technological merit, i.e. can pay close attention to the sectional drawing in anatomical structure.

In another advantageous embodiment of the method, this parser is at the model of anatomical structure Enclose interior execution and there is the entropy analysis of higher weight.The most such as realize techniques below advantage, can Enough preferably determine sectional importance.

In another advantageous embodiment of the method, this parser is from the image sequence of layout Row are removed the Information Meter sectional drawing less than predetermined threshold value.The most such as realize techniques below excellent Point, i.e. considers retain the relevant sectional drawing of minority and simplify this layout.

In another advantageous embodiment of the method, this parser performs sectional figure As analyzing, to remove the sectional drawing of redundancy from image sequence.The most such as realize techniques below Advantage, i.e. simplifies this layout and can show sectional drawing larger.

In another advantageous embodiment of the method, this parser facing at image sequence Entropy analysis is performed between near sectional drawing.The most such as realize techniques below advantage, i.e. can be with Simple mode removes the similar image with identical information content.

In another advantageous embodiment of the method, cutting in the anatomical structure of imaging And/or put middle sectional drawing.The most such as realize techniques below advantage, i.e. improve the quality of record.

In another advantageous embodiment of the method, determine the volume data limited by labelling The sectional quantity of continuous print in the range of collection.The most such as realize techniques below advantage, i.e. Relevant sectional drawing can be determined in a straightforward manner.

According to the second aspect of the invention, by for generating the three-dimensional volume number checking object Solving this task according to the medical inspection instrument of collection, this medical inspection instrument has: generating means, is used for According to the volumetric data sets multiple continuous print sectional drawings of generation for recording medical inspection；Select dress Put, for arranging section with being automatically selected for rectangular on the basis of sectional quantity The layout of figure；And printing equipment, for printing the film with selected layout.Thus Such as realize the technological merit as realized according to first aspect.

Accompanying drawing explanation

Shown in the drawings and illustrate embodiments of the invention further below.

Wherein:

Fig. 1 shows the block diagram of the method；

Fig. 2 shows the schematic diagram of multiple sectional layout；

Fig. 3 shows the schematic diagram of multiple sectional layout；

Fig. 4 shows the schematic diagram of film；

Fig. 5 shows the schematic diagram of medical inspection instrument；And

Fig. 6 shows the interface of the layout automatically selected for selection.

Detailed description of the invention

Fig. 1 shows for the side of the medical inspection of record check object on the somascope of imaging The block diagram of method.This somascope e.g. computed tomographic scanner, Magnetic Resonance Imaging imager or Person's ultrasonoscope.

First in step S101, radioactive scanning checks object, to gather this inspection object Three-dimensional volumetric data sets.Generate continuous print according to this volumetric data sets in step s 102 to break Face figure, to record this medical inspection.In step s 103 based on sectional quantity automatically Select to arrange sectional layout for rectangular ground.Sectional quantity for example, 35, it is possible to Automatically arrange into the layout of the rectangular of 5 row and 7 row.Then print in step S104 There is the film of selected layout.

Multiple sectional quantity are natural to be changed according to the difference of patient.This is used for judging to rebuild Image sequence generally with between 5mm and 8mm thickness arrange, with by sectional quantity Maintain in boundary.Each body part or medical inspection can be selected predetermined layout.

Sectional quantity according to record determines to use which layout.Below realizing for this Technological merit, i.e. can select film according to sectional quantity optimization and can save film Material.Possible layout is such as 3 × 4,4 × 5,4 × 6,5 × 6,5 × 7,5 × 8,6 × 7,6 × 8 or 6 × 9 (row × OK).But generally can also use other layout. It can be considered that to the regional of record or clinical specifically want during this external selection layout Ask.The result of layout can be displayed to the user that, thus it is able to confirm that this layout.It is it desired to Adjusting layout, this user can manually carry out this adjustment before confirmation.

The method is embodied as user's logger computer tomoscan inspection such as automatically.By using The burden of user can be alleviated further also for arranging sectional parser to be recorded And improve the quality of layout.

Fig. 2 shows the schematic diagram of the layout of each and every one sectional drawings 103 many in display device 107. Layout 100 includes the layout of the rectangular of section Figure 103 of 4 row and 5 row and in display device Display to the user that on 107.Section Figure 103 arranges that quantity based on section Figure 103 is the most true Fixed, sectional quantity is that 20 selections have 4 row and the layout of 5 row.

The quantity of film can be selected about specific predefined parameter.To each medical inspection, its Selected by the scan report with predetermined parameter adjustment, it is also possible to will be wanted by clinical or legal The quantity of the film asked is stored in scan report.

The anatomical structure that can be additionally corresponding distributes the section of layout 100 on film The intended quantity of Figure 103.Therefore, it is possible to be that multiple medical inspection selects concrete layout 100.

Can carry out small by parser in the quantity of step 103 before determining layout Adjust.The unnecessary sectional drawing that should not record on predetermined film 205 can be removed for this 103。

Such as can perform automatically to reduce section Figure 103 to be recorded by parser.Reduce The quantity of section Figure 103 can be carried out by using specific image algorithm, and this algorithm reduces position Anatomic region at the initial of image sequence or ending.It is furthermore possible to remove this image sequence In the sectional drawing of redundancy, wherein the most different in configuration diagram.

At the initial of image sequence or ending, it is found for example that each sectional drawing by entropy analysis 103, it is not reaching to the information threshold determined, such as 85% as section Figure 103 and does not includes During important structure.Thereby determining that the importance index of section Figure 103, this importance refers to index It is that each sectional drawing distributes importance on the basis of information content.Entropy in information technology is disconnected The average information content of face figure or be also the metering of sectional information density (fragrant you entropy) Unit.

Entropy analysis is carried out in weighted fashion, because the peripheral information of section Figure 103 plays ratio The effect that information in figure is less.It is furthermore possible to the collection (computer aided manufacturing according to computer supported Help detection-CAD) or element recognizer consideration result, to guarantee, damage or dissect The image-region that representation is corresponding has higher weight.

Section Figure 103 can be found, its tool by the entropy analysis between section Figure 103 of closing on Have compared to information content lower for the sectional drawing closed on.This step makes the image of correspondence Importance index become fine.Realize the most equally, reduce the quantity of redundant image.According to The result of image-region and CAD algorithm is for selecting section Figure 103 weighting, to guarantee more strongly Consider damage or important anatomical structure.

Algorithm based on study can prepare the various combination of layout for user.Based on preselected Layout 100 and the importance index of corresponding section Figure 103 calculated before, it is possible to propose cloth The algorithm of the different picture frame of office 100.Wherein select the combination of these sections Figure 103, It represents the decision that user is most possible.

Fig. 3 shows the schematic diagram of the layout of multiple section Figure 103.This layout 100 includes three Arrange the layout of the rectangular of the section Figure 103 with four row and show to user on the display apparatus Show.

Identification to three-dimensional volumetric data sets can be based on automatically identifying that organization of human body is according to figure As the reference point in volume is carried out, such as by method based on study, as based on probability theory Root tree.It is furthermore possible in the scope (volume of concern) paid close attention to based on pre-stored Three-dimensional volumetric data sets is identified by the corresponding pre-adjustment checked automatically.According to patient Organization of human body reference point pay close attention to scope be evaluated, such as show device by reference point The volume range of its hetero-organization of official or inspection object.

By using the algorithm recorded on film for automatization to realize the saving of great time Reduce the record time significantly.Film condensation material can be saved by Optimum utilization working surface. The optimization carried out by the method causes the Quality advance of record, because automatically carrying out task.Doctor The user learning somascope also is able to focus simply in the case of high patient flow real Medical inspection.

Section Figure 103 can automatically put in layout 100 on film.Layout 100 Optimum picture position in image section is by obtaining during the heart is put automatically in the reconstruction.In addition should Fill up image section to anatomical structure non-boundary.Wherein consider the pass calculated in step before The scope of note.

Patient position can automatically adjust, such as, rotate, especially in head image.Wherein Angle and isocenter point can be adjusted based on identifying body axle to realize automatically.Calculate for this purpose Image moment or whole organization of human body, such as thorax, to determine or to correct the section of two dimension The position of the head in Figure 103 and direction.

Fig. 4 shows the schematic diagram of the film 105 of the printing with layout 100, and it includes three Row and section Figure 103 of four row.Optimally utilize film 105, thus existence is the fewest not Bottom the page containing information.

Fig. 5 shows the schematic diagram of medical inspection instrument 200.This medical inspection instrument 200 is used for giving birth to Become to check the three-dimensional volumetric data sets of object 207, such as patient.This medical inspection instrument 200 Multiple continuous print are generated for recording the volumetric data sets of medical inspection including for basis The generating means 201 of section Figure 103 and based on section Figure 103 for being automatically chosen for The selection device 203 of sectional layout 100 is arranged on numbers matrix shape ground.This generating means 201 Can be based on computer utility with selection device 203, it includes processor and for storage volume Data set and the memorizer of other data.Secondly this medical inspection instrument 200 also includes for printing Have the printing equipment of the film of selectable layout 100, such as film printer.

Also include providing the layout for the replacement selected to the record that medical inspection instrument 200 is prefabricated The possibility of 100.Such as can be in the different layout with 5 × 6 or 5 × 7 image sections Determine between 100.If 35 sectional drawings should be recorded, then exist and there are five row and seven row Layout 100.When by removing the sectional drawing of redundancy or being in image sequence by minimizing The region of the dissection at initial and ending realizes being reduced to 30 sectional drawings, then uses and has Five row and the layout 100 of six row.

The optimization of record improves quality and the use of medical inspection instrument checking result.Pass through What the method and medical inspection instrument were capable of the quantity of the film printing about predefined parameter can By selecting.It is furthermore possible to realize automatically reducing section Figure 103 to be recorded.It is furthermore possible to disconnected Automatically picture material in putting on film printing in the Figure 103 of face.Can automatically use safety Scope (visual field-Fov), with avoid bottom the page of black and in sectional drawing larger Represent organization of human body.It is furthermore possible to realize automatically adjusting patient position, such as by rotating, especially It is in head image.

Obtain significantly reducing record check and minimizing general inspection time on film generally.Check The quality that the use of instrument can optimize and record can reduce.Can when removing unnecessary image Fix a breakdown.

Generally can support automatic and automanual working method by the method.

Automatic working method is fully automatically carried out print the glue having selectable layout 100 Sheet 105, without selecting layout 100 or for arranging another user of section Figure 103 Intervene.The method determines the layout 100 of medical inspection and automatically adjusts on section Figure 103 The layout 100 of whole selection.Print the one or more films having selectable layout 100 afterwards 105.Working method can be released by user automatically, such as by fault or by using In the adjustment checked.

First on virtual film, section Figure 103 is arranged in automanual working method.Should Method determines the layout 100 of medical inspection equally and carries out on section Figure 103 selection The automatic adjustment of layout 100.Certainly this user can, automatic on authorization display device 107 The result of method and manually changing before printing film 105.Both work sides In the case of formula is effective, it is possible to by the state modulator being stored in audit report.

The method can be on the basis of the quantity of section Figure 103 of medical inspection, at film 105 Predetermined quantity on the basis of, it is generally or according to checking (such as in HC process In) predetermined, in the standard of selection, such as with or without the base of selection standard of topological structure On plinth, at the predetermined size of section Figure 103, the such as base of full-size or minimum dimension On plinth, on the basis of the predetermined position of the section Figure 103 on film 105 and/or at glue Calculate on the basis of the predetermined size of sheet 105.

Section Figure 105 can be automatically adjusted equally except automatically selecting layout 100.The party Method can change the information printed based on image of the organ identification with algorithm of medical inspection, example Such as contrast value.It means that the method Automatic Optimal section Figure 103 before printing.The party Method can rotate section Figure 103 automatically, such as at the base of the tissue gathered in section Figure 103 On plinth.The method can change the sectional drawing for suitable medical inspection by software algorithm The range of views of 103, such as head or pulmonary.Wherein centering or amplify organ or Person's head zone, thus reduce surrounding tissue or the black part of section Figure 103, and do not go Except relevant medical information.It means that will each and every one sectional drawings 103 many and/or medical inspection class Type is used as input data and the method preferred arrangement section Figure 103 and the base in predetermined rule Section Figure 103 is changed on plinth.These rules, under conditions of should using layout 100, energy Enough limited by special configuration user interface.

Substitute scheme, in order to limit adjustment select layout 100, arrange section Figure 103 and/ Or change section Figure 103, use the algorithm of self study.Predetermined really for the method in this case Fixed learning time interval, with when user determines layout 100, gathers these rules.

Such as it is used for the predetermined film of the medical inspection determined by user interface input for this The quantity of 105.By using this user interface to indicate equally, there is the film 105 of fixed qty, It should be used for the medical inspection determined, such as during HC.Then in medical science Automatically call the film 105 of this quantity on the basis of inspection, its by radiology information system or Hospital information system transmission or by use user interface by user directly in the inspection of imaging Select on instrument 200.Film 105 based on predetermined quantity and section Figure 103 the party of this quantity Method calculates and arranges section Figure 103 on film 105 rectangular.This includes such as determining section The size of Figure 103 and layout 100, with the consistent size with film 105.If selected automatically Working method, the method after scanography object 207 automatically to printing equipment 205 Send layout 100.

Other rule can be applied in another configuration of layout 100, such as print have or Person does not has section Figure 103 of topological structure or special orientation and display size is included into difference Section Figure 103, the such as individually maximum intensity projection on film 105.In other situations The quantity of lower film 105 can be limited to, regardless of medical inspection, the quantity fixed.At other In the case of the quantity of film 105 do not determine based on medical inspection, and same with medical inspection The quantity of section Figure 103 determine.

Can the most not only measure single layout 100 in the method, but also measure layout The quantity of 100, it meets predetermined requirement, such as because the method is not resulted in obvious result. The layout 100 determined on a small quantity, at the aforementioned base selecting layout 100 according to identical input data On plinth, such as when learning time is spaced, layout 100 limit, its meet equally require or Person is considered suitable.

Because providing the user one to be additional to those layouts 100 when automanual working method Other selection probabilities of layouts 100 substituted, it means that, with on virtual film Display section Figure 105.

Fig. 6 shows a kind of for selecting the interface of layout 100 automatically limited.The method is User provides the layout 100 to be printed of the preliminary election of a kind of medical inspection.This layout selects to use On virtual film and this film 105 correspondingly with section Figure 105 fill.Other cloth Office selects to be provided for selecting, and it can be useful on the basis of arranging parameter equally.

This example shows the layout 100 of preliminary election in Part I A, and this layout 100 is optimally Coupling, and in Part II B, show the layout 100 of replacement.This example considers, it should more The earth prints multiple section Figure 103.

Remove section Figure 103 can automatically enter on the basis of image recognition or learning algorithm OK.At section Figure 103 of the first study phase user oneself removing redundancy, thus the method energy Enough study, it should remove which section Figure 103.Stage the method below automatically determines Section Figure 103 to be cleaned and displaying to the user that in an appropriate manner automatically selects to remove Section Figure 103.This user can authorize section Figure 103 to be cleaned and confirm to remove.

Alternate embodiments can be image processing algorithm gather medical inspection section Figure 103 it Between similarity or the degree of deviation.User can directly control or determine standard, and this standard is used Act on the threshold value removing cross section Figure 103, if such as deviation is less than the value determined, then remove This section Figure 103.This standard also is able to the quantity indirectly by section Figure 103 to be printed Control.

Layout 100, it such as includes lay out grid or removes rule, being stored in medical report In and when use medical examination report when, it is possible to be again called.

Simplify multiple step by the method and realize when recording medical inspection greatly improving And acceleration.Automatically send section Figure 103 by introducing, automatically select layout 100, the most clear Except section Figure 103 and automatic printing can perform the method in the time reduced.In addition should Method realizes high patient flow.Including correspondingly selecting section Figure 103 and automatically changing section The selection of layout 100 is saved material, because economical space saving arranging this by the automatization of Figure 103 A little sectional drawings.The layout 100 that this automatically generates is it is also contemplated that user adjusts or device is special With economic consideration.Thus the most flexibly, so that different setup parameters is adjusted different Market.In addition preferably recording quality causes more preferable medical diagnosis.

That each embodiment of all combination present invention illustrates and display feature can be arranged According in the different combination of subject of the present invention, to realize its favourable effect simultaneously.

Be given by claim according to protection scope of the present invention and do not illustrated in the description Or the feature of display limits in accompanying drawing.

Claims (15)

1. the doctor for the upper record check object (207) of somascope (200) in imaging Learn the method checked, have steps of:

-scanning (S101) described inspection object (207), to gather three-dimensional volume data Collection；

-generated (S102) multiple continuous print sectional drawing (103) by described volumetric data sets, For recording described medical inspection；

-automatically select (S103) for rectangular ground layout based on described sectional quantity The layout (100) of described sectional drawing (103)；And

-printing (S104) has the film (105) of selected layout (100).

Method the most according to claim 1, wherein, type based on described medical inspection Determine the quantity of described sectional drawing (103).

3. according to method in any one of the preceding claims wherein, wherein, based in imaging The scan report used in inspection determines the quantity of described sectional drawing (103).

4. according to method in any one of the preceding claims wherein, wherein, pass through parser Automatically reduce the quantity of described sectional drawing (103).

Method the most according to claim 4, wherein, described parser is removed and is in institute Sectional drawing (103) at the initial and ending of the image sequence stating layout (100).

6. according to the method described in claim 4 or 5, wherein, described parser performs entropy Analyze, to determine the Information Meter of described sectional drawing (103).

Method the most according to claim 6, wherein, described parser is at described section In the middle of figure (103), ratio is held at the edge of described sectional drawing (103) with having higher weight Row entropy is analyzed.

Method the most according to claim 6, wherein, described parser analyzes described three The volumetric data sets of dimension, to determine the area of space of the anatomical structure in described inspection object.

Method the most according to claim 8, wherein, described parser is in described dissection The entropy analysis with higher weights is performed in the region of structure.

10. according to the method according to any one of claim 6 to 9, wherein, described analysis Algorithm is removed from the image sequence of described layout (100) has the letter less than predetermined threshold value The sectional drawing (103) of breath degree.

11. according to the method according to any one of claim 4 to 10, wherein, and described analysis Algorithm performs the graphical analysis to described sectional drawing (103), with clear from described image sequence Sectional drawing (103) except redundancy.

12. methods according to claim 11, wherein, described parser is at described figure As performing entropy analysis between the sectional drawing (103) closed in sequence.

13. according to method in any one of the preceding claims wherein, wherein, in imaging Cutting and/or sectional drawing (103) described in putting in anatomical structure.

14. according to method in any one of the preceding claims wherein, wherein it is determined that by labelling The quantity of the continuous print sectional drawing (103) in the range of described volumetric data sets limited.

15. 1 kinds of medical science inspections being used for generating the three-dimensional volumetric data sets checking object (207) Look into instrument (200), have:

Generating means (201), for generating multiple continuous print section according to volumetric data sets Figure (103), for record medical inspection；

Select device (203), automatically select for quantity based on described sectional drawing (103) Select and arrange described sectional layout (100) for rectangular；And

Printing equipment (205), for printing the film with selected layout (100).