CN109674489A - A kind of imitated NDVI detecting medical supersonic instrument three-dimensional imaging performance - Google Patents
A kind of imitated NDVI detecting medical supersonic instrument three-dimensional imaging performance Download PDFInfo
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- CN109674489A CN109674489A CN201811513588.5A CN201811513588A CN109674489A CN 109674489 A CN109674489 A CN 109674489A CN 201811513588 A CN201811513588 A CN 201811513588A CN 109674489 A CN109674489 A CN 109674489A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/58—Testing, adjusting or calibrating the diagnostic device
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Abstract
A kind of imitated NDVI detecting medical supersonic instrument three-dimensional imaging performance, comprising: body mould shell and target body, in which: the bottom surface of the body mould shell includes the bottom panel including the first number hole, and the hole is closed by corresponding plugging device；The top surface of the body mould shell includes top surface sound window；An inner cavity is formed in the body mould shell, the inner cavity filling has imitative organization material；The target body includes the first ovoid and the second ovoid, and first ovoid and second ovoid are placed in described interior intracavitary and are embedded in the imitative organization material, and with the bottom panel at a distance of sustained height.In this way, medical supersonic instrument three-dimensional imaging performance can be effectively detected.
Description
Technical field
The present invention relates to medical instrument quality examination field, more particularly to it is a kind of for detect medical supersonic instrument three-dimensional at
As the imitated NDVI of performance.
Background technique
In the field of medicine, diagnostic ultrasound becomes B-mode by mode A, i.e., screen, which is shown, becomes human body solution by echo waveform
The section grey-tone image of structure is cutd open, undoubtedly a huge progress.When clinical medicine (such as in operation) is it should be understood that even
When the definite stereo omnibearing sense and geometric dimension for holding a certain position of human body, it is necessary to which using B-mode instrument, (B ultrasound is imaged
Instrument) obtain the 3-dimensional image at the position.That is, needing to be embedded with the said three-dimensional body mould of stereo target to examine the B ultrasound
Image-forming instrument at target 3-dimensional image shape authenticity and dimensional accuracy.However, existing said three-dimensional body mould, such as by
There are some defects for the said three-dimensional body mould of CIRS and Gammex-RMI manufacture being made of imitative organization material and oval target.For example,
Imitative organization material in said three-dimensional body mould is that expendable forms, contained liquid component can gradually from the molecular gap of sheathing material and
Evaporation loss at sound window loses effectiveness so as to cause performance parameter change.For example, existing said three-dimensional body mould can not be deep to detection
Degree carries out precise measurement.
Accordingly, it would be desirable to there is improved plan, a kind of imitated NDVI that can solve above-mentioned one or more problems is provided.
Summary of the invention
This specification one or more embodiment describes a kind of imitative group for detecting medical supersonic instrument three-dimensional imaging performance
Body mould is knitted, which solves one or more defects in the prior art.
According in a first aspect, providing a kind of imitated NDVI for detecting medical supersonic instrument three-dimensional imaging performance, comprising: body
Mould shell and target body, in which:
The bottom surface of the body mould shell includes the bottom panel including the first number hole, and the hole passes through corresponding closure
Device closing；The top surface of the body mould shell includes top surface sound window；An inner cavity is formed in the body mould shell, the inner cavity filling has
Imitative organization material；
The target body includes the first ovoid and the second ovoid, and first ovoid and second ovoid are placed
In described interior intracavitary and be embedded in the imitative organization material, and with the bottom panel at a distance of sustained height.
In one embodiment, the imitative organization material is aqueous gel based high molecular composite material, and the velocity of sound is (1540
± 10) ((23 ± 3) DEG C) m/s, acoustic attenuation coefficient slope are (0.7 ± 0.05) dB/ (cmMHz) ((23 ± 3) DEG C), described imitative
Organization material can be used aqueous Precerving liquid and be maintained, the aqueous Precerving liquid via blind hole on the bottom panel plugging device
Injection.
In one embodiment, first ovoid and second ovoid are placed in the bottom panel and the top
The middle position of face sound window.
In one embodiment, the imitated NDVI further includes axial target line-group, and the axial direction target line-group includes second
Number axial direction target line；Include front panel before the body mould shell, behind include rear panel, the front panel and it is described after
The corresponding side of panel has an axial target string holes group along the longitudinal direction, and each axial direction target string holes group includes the second number
A axial direction target string holes；The axial target line of second number passes through the inner cavity, and both ends pass through corresponding second number
Axial target string holes is respectively fixed to the outside of the front panel and the rear panel.
In one embodiment, the hole is circular hole, and the length and/or width direction along the bottom panel are arranged.
In one embodiment, the plugging device is rubber.
In one embodiment, a side of the body mould shell includes side sound window, and another side includes side panel,
Target body position mark line is decorated on the side panel lateral surface, the target body position mark line indicates the institute in the inner cavity
State the projected position of the first ovoid and second ovoid on the side panel.
In one embodiment, target body position mark line is decorated on the lateral surface of the front panel and/or the rear panel,
The target body position mark line indicates first ovoid in the inner cavity in the front panel and/or the back
Projected position on plate.
In one example, include front panel before the body mould shell, behind include rear panel, a side includes
Side panel, the front panel, the rear panel and the side panel medial surface are provided with non-slip groove.
By this specification one or more embodiment provide imitated NDVI, using on bottom panel hole and plugging device
Precerving liquid and pumping are injected, time-based maintenance can be carried out to imitative organization material, it is ensured that imitative organization material ingredient and characterisitic parameter are steady
It is fixed, greatly prolong the service life of the imitated NDVI.The imitative organizer provided by this specification one or more embodiment
Mould can acquire the image of target body, to obtain B from different directions using two sound windows of top surface and side from both direction
Hypergraph picture carrys out reconstruction of three-dimensional images.The imitated NDVI provided by this specification one or more embodiment, utilizes axial target
Line-group can carry out the measurement and calibration of investigation depth.The imitative organizer provided by this specification one or more embodiment
Mould, using being decorated with target body position mark line on the lateral surface of side panel and/or front panel and/or rear panel, in detection operation
The time for finding target body can be saved and position is accurate, so that the human error of detection be effectively reduced.By this explanation
The imitated NDVI that book one or more embodiment provides, is provided with anti-skidding using the medial surface of front and back panel and side panel
Slot can fix imitative organization material, prevent its sliding.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, identical component is presented with like reference characters.It should be evident that the accompanying drawings in the following description
Only some embodiments of the present invention, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 shows perspective structure figure inside the right view according to the imitated NDVI of one embodiment；
Fig. 2 shows the right view outside drawings according to the imitated NDVI of one embodiment；
Fig. 3 shows perspective structure figure inside the left view according to the imitated NDVI of one embodiment；
Fig. 4 shows the forward sight sectional structure chart according to the imitated NDVI of one embodiment；
Fig. 5 shows the schematic diagram for carrying out three-dimensional imaging using Ultrasonic-B probe according to the imitated NDVI of one embodiment.
Specific embodiment
With reference to the accompanying drawing, the scheme provided this specification is described.
Fig. 1 shows perspective structure figure inside the right view according to the imitated NDVI of one embodiment.Imitated NDVI 1 wraps
Include body mould shell 50 and target body 60.The bottom surface of body mould shell 50 includes bottom panel 14, in the width direction includes the on bottom panel 14
One circular hole 17, the second circular hole 18.Each circular hole passes through corresponding plugging device and closes.For example, the second circular hole 18 passes through plugging device
19 closings.In one example, plugging device is rubber.The top surface of body mould shell 50 includes top surface sound window 2.In one example,
Top surface sound window 2 is made of the polyester film material of 50 μm~100 μ m-thicks.In one example, top surface sound window 2 is by the poly- of 60 μ m-thicks
Ester film material is constituted.An inner cavity 30 is formed in body mould shell 50, filling has imitative organization material 22 in inner cavity 30, with reference to Fig. 4
As it can be seen that imitative organization material 22 is full of entire inner cavity 30.In one example, imitating organization material 22 is that aqueous gel based high molecular is multiple
Condensation material.In one example, the velocity of sound of the aqueous gel based high molecular composite material is (1540 ± 10) m/s ((23 ± 3)
DEG C), acoustic attenuation coefficient slope is (0.7 ± 0.05) dB/ (cmMHz) ((23 ± 3) DEG C).
Although showing two circular holes in Fig. 1, the two circular holes are sequentially arranged along the width direction of bottom panel 14.But this
Field technical staff is it is understood that quantity, shape and the position in hole can change.For example, the quantity in hole can be
Any suitable numbers such as 1,3,4.For example, the shape in hole can be any suitable shape such as rectangular, triangle, ellipse.
For example, the position in hole can be arranged along the length direction or diagonal of bottom panel.Utilize the circular hole on bottom panel 14
And plugging device, Precerving liquid and pumping can be injected in imitative organization material daily maintenance, to carry out to imitative organization material regular
Maintenance, it is ensured that imitative organization material ingredient and characterisitic parameter are stablized, and the service life of the imitated NDVI is thus greatly prolonged.
In one example, a side of body film shell 50 includes side sound window, for example, the side sound window 9 in Fig. 1,
Another side includes side panel, for example, the right panel 5 in Fig. 1.In one example, target body is decorated on side panel lateral surface
Position mark line, for example, target body position mark line 70 and 71 shown in Fig. 3 and Fig. 5, which, which indicates, is located at
The projected position of the first ovoid 10 and the second ovoid 11 on the side panels in inner cavity 30.In one example, side sound
Window 9 is made of the polyester film material of 50 μm~100 μ m-thicks.In one example, side sound window 9 by 60 μ m-thicks polyester film
Material is constituted.
Target body 60 includes the first ovoid 10 and the second ovoid 11, and the first ovoid 10 and the second ovoid 11 are placed in
It in inner cavity 30, and is embedded in imitative organization material 22 (with reference to Fig. 4), and with bottom panel 14 at a distance of sustained height.In an example
In, the first ovoid 10 and the second ovoid 11 are placed on the middle position of top surface sound window 2 and bottom panel 14.First ovoid 10
With the spacing of the second ovoid 11, the spacing of the second ovoid 11 and front panel 3 (referring to Fig. 3) and the first ovoid 10 with after
The spacing of panel 4 keeps moderate.In one example, the spacing of the first ovoid 10 and the second ovoid 11, the second ovoid
11 are equal with the spacing of front panel 3 and the spacing of the first ovoid 10 and rear panel 4.In one example, first is oval
Body 10 and the second ovoid 11 are located at the centre of side sound window 9 and right panel 5.
First ovoid 10 is different with 11 volume of the second ovoid.Big ovoid, the body of example the first ovoid 10 as shown in figure 1
Product range is 30~90cm3.In one example, the volume of the first ovoid 10 is 63cm3.Small ovoid, example is as shown in figure 1
The volume range of second ovoid 11 is 2~30cm3, in one example, the volume of the second ovoid 11 is 9cm3.First ovum
Body 10 and the second ovoid 11 and imitative organization material 22 rate of sound and attenuation of sound coefficient slope having the same, the velocity of sound: (1540 ±
10) ((23 ± 3) DEG C) m/s, acoustic attenuation coefficient slope: (0.7 ± 0.05) dB/cm/MHz ((23 ± 3) DEG C), but have different
Backscattering, therefore the imaging region for having grayscale contrast with imitative organization material can be shown as on B ultrasound Image-forming instrument.
In one example, the inside of front panel 3 and rear panel 4 is provided with non-slip groove, for positioning imitative organization material 22.
Such as Fig. 1 and the round non-slip groove 12 shown in Fig. 2 opened on the inside of plate below.In one example, the interior lateral edge of side panel 5
Longitudinal direction, which is opened, for positioning imitative organization material 22 prevents its sliding, such as non-slip groove shown in Fig. 2 there are two non-slip groove
21。
Fig. 2 shows according to perspective structure figure inside the left view of the imitated NDVI of one embodiment.As shown in Fig. 2, imitative
Organizer's mould 1 further includes axial target line-group 8, and axial target line-group 8 includes the axial target line of the second number.In one example, axis
It include 13 axial target lines to target line-group.Obviously, the number of axial target line is not fixed, and anyone skilled in the art think to close
Suitable number is all possible, such as 10, and 11,12,14,15.
Fig. 3 shows the right view outside drawing of the imitated NDVI according to one embodiment.As shown in figure 3, body mould shell 50
Before include front panel 3, behind include rear panel 4, front panel 3 and the corresponding side of rear panel 4 are opened respectively along the longitudinal direction
There is an axial target string holes group 7, each axial direction target string holes group 7 includes the axial target string holes of the second number, for positioning axial target
Line-group 8.Second number axial direction target line passes through inner cavity 30, and both ends are fixed respectively by the axial target string holes of corresponding second number
To the outside of front panel 3 and rear panel 4.In one example, an axial target string holes group includes 13 axial target string holes, each
The diameter in hole is 0.3mm, and the center spacing in two holes is 10mm.It will be appreciated by those skilled in the art that the number in hole
Amount, diameter and spacing all can change, as long as being capable of fixing axial target line-group.
In one example, target body position mark line, target body position are decorated on the lateral surface of front panel 3 and/or rear panel 4
Mark line indicates projected position of the first ovoid 10 in inner cavity 30 in front on plate 3 and/or rear panel 4, such as Fig. 3
With target body position mark line 76 shown in Fig. 5.
In one example, bottom panel 14 there also is provided pedestal 6 (referring to fig. 2, Fig. 3 and Fig. 4) below, and bottom panel 14 passes through
Bottom first fixed device 15 (referring to fig. 2 and Fig. 4) and bottom second fixed device 16 (referring to fig. 2) are connected and fixed with pedestal 6.
For example, the fixed device of the fixed device in bottom first and bottom second is to be machined in the corresponding position of bottom panel 14 and pedestal 6
Countersunk screw holes, be attached and fixed using screw and nut.Pedestal 6 plays support and keeping body for imitated NDVI 1
The firm effect of mould.
In one example, item 13 (referring to fig. 2 and Fig. 4) is rested the head on by top in the junction of top surface sound window 2 and side sound window 9
The bottom of support, side sound window 9 passes through bottom pillow item 20 (referring to fig. 2 and Fig. 4) support.In one example, item 13 is rested the head at top
It is all poly (methyl methacrylate) plate with bottom pillow item 20.
Fig. 5 shows the schematic diagram for carrying out three-dimensional imaging using Ultrasonic-B probe according to the imitated NDVI of one embodiment.It is imitative
Organizer's mould is used exclusively for cubing accuracy in detection reconstruction formula medical supersonic three-dimensional imaging.As shown in figure 5, using imitative
When organizer's mould 1 carries out three-dimensional imaging, which is placed on and is consolidated on horizontal desktop, tested Ultrasonic-B probe 23 is coupled
Agent or degassed water are coupled in corresponding 2 surface location of top surface sound window of selected ovoid, keep radiating surface 25 and the top of Ultrasonic-B probe 23
2 good coupling of face sound window, Ultrasonic-B probe 23 connect B ultrasound host (not shown) by Ultrasonic-B probe signal cable 24 and emit signal and connect
The collection of letters number simultaneously shows image, after the booting of tested B ultrasound equipment (not shown), preheating, adjusts the clear of related key button acquisition target body
Two dimensional image.Tested B ultrasound is switched into three-dimensional imaging function, then acquisition, storage two-dimensional images carry out three-dimensional reconstruction.
Ovoid volume V is measured using the inherent function of tested B ultrasound, if the calibration value of its volume is V0, then cubing error are as follows:
| (V-V0)/V0| × 100%
In one example, imitated NDVI 1 includes two sound windows: top surface sound window and side sound window, thus B can be used
Super probe 23 is respectively coupled in top surface sound window and side sound window, carries out Image Acquisition to ovoid from both direction, in order to from
Different directions obtain B ultrasound image and carry out reconstruction of three-dimensional images.
In one example, imitated NDVI 1 further includes axial target line-group 8 (referring to fig. 2), thus can use axial target
Line-group 8 carries out the measurement and calibration of investigation depth.When measurement, by Ultrasonic-B probe 23 and 2 good coupling of top surface sound window, Ultrasonic-B probe
Longitudinal direction, that is, Ultrasonic-B probe scanning direction of radiating surface 25 is placed along perpendicular to axial target line-group 8, on B ultrasound Image-forming instrument
The image of one group of target line point along depth direction arrangement can be presented.Target can be measured using the electronic cursor of B ultrasound Image-forming instrument
Line point is along the spacing of depth direction and the max survey depth of the B ultrasound Image-forming instrument.
The imitated NDVI provided by this specification one or more embodiment has well solved in the prior art one
Item or multinomial problem, so as to which medical supersonic instrument three-dimensional imaging performance is effectively detected.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all any modification, equivalent substitution, improvement and etc. on the basis of technical solution of the present invention, done should all
Including within protection scope of the present invention.
Claims (9)
1. a kind of imitated NDVI for detecting medical supersonic instrument three-dimensional imaging performance, comprising: body mould shell and target body, in which:
The bottom surface of the body mould shell includes the bottom panel including the first number hole, and the hole is sealed by corresponding plugging device
It closes；The top surface of the body mould shell includes top surface sound window；An inner cavity is formed in the body mould shell, the inner cavity filling has imitative group
Knit material；
The target body includes the first ovoid and the second ovoid, and first ovoid and second ovoid are placed in institute
It states interior intracavitary and is embedded in the imitative organization material, and with the bottom panel at a distance of sustained height.
2. imitated NDVI as described in claim 1, wherein the imitative organization material is aqueous gel based high molecular composite wood
Material, the velocity of sound are (1540 ± 10) m/s ((23 ± 3) DEG C), and acoustic attenuation coefficient slope is (0.7 ± 0.05) dB/ (cmMHz)
((23 ± 3) DEG C), the imitative organization material can be used aqueous Precerving liquid and maintained, and the aqueous Precerving liquid is via the bottom surface
The plugging device injection of blind hole on plate.
3. imitated NDVI as claimed in claim 1 or 2, wherein first ovoid and second ovoid are placed
In the middle position of the bottom panel and the top surface sound window.
4. imitated NDVI as claimed in claim 1 or 2, wherein the imitated NDVI further includes axial target line-group, described
Axial target line-group includes the axial target line of the second number；Include front panel before the body mould shell, behind include rear panel,
The front panel and the corresponding side of the rear panel have an axial target string holes group, each axial direction target along the longitudinal direction
String holes group includes the axial target string holes of the second number；The axial target line of second number passes through the inner cavity, both ends by pair
The axial target string holes of second number answered is respectively fixed to the outside of the front panel and the rear panel.
5. imitated NDVI as claimed in claim 1 or 2, wherein the hole is circular hole, along the bottom panel length and/
Or width direction arrangement.
6. imitated NDVI as claimed in claim 1 or 2, wherein the plugging device is rubber.
7. imitated NDVI as claimed in claim 1 or 2, wherein a side of the body mould shell includes side sound window,
Another side includes side panel, and target body position mark line, the target body position mark line mark are decorated on the side panel lateral surface
There is the projected position of first ovoid and second ovoid that are located in the inner cavity on the side panel.
8. imitated NDVI as claimed in claim 4, wherein drawn on the lateral surface of the front panel and/or the rear panel
There is target body position mark line, the target body position mark line indicates first ovoid in the inner cavity before described
Projected position on panel and/or the rear panel.
9. imitated NDVI as claimed in claim 1 or 2, wherein include front panel before the body mould shell, behind wrap
Rear panel is included, a side includes side panel, and the front panel, the rear panel and the side panel medial surface are provided with anti-skidding
Slot.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513588.5A CN109674489A (en) | 2018-12-11 | 2018-12-11 | A kind of imitated NDVI detecting medical supersonic instrument three-dimensional imaging performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811513588.5A CN109674489A (en) | 2018-12-11 | 2018-12-11 | A kind of imitated NDVI detecting medical supersonic instrument three-dimensional imaging performance |
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| CN110742650A (en) * | 2019-12-06 | 2020-02-04 | 中国科学院声学研究所 | Tissue-imitated phantom for detecting imaging uniformity of ultrasonic tomography equipment |
| CN110755113A (en) * | 2019-12-06 | 2020-02-07 | 中国科学院声学研究所 | Tissue-imitated phantom for detecting three-dimensional imaging performance of ultrasonic tomography equipment |
| CN110755112A (en) * | 2019-12-06 | 2020-02-07 | 中国科学院声学研究所 | Tissue phantom for transmission imaging mode detection of ultrasonic scanning tomography equipment |
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