CN102949207B - Strengthen pin visualization method, device and system in medical ultrasound imaging - Google Patents
Strengthen pin visualization method, device and system in medical ultrasound imaging Download PDFInfo
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- CN102949207B CN102949207B CN201110270881.5A CN201110270881A CN102949207B CN 102949207 B CN102949207 B CN 102949207B CN 201110270881 A CN201110270881 A CN 201110270881A CN 102949207 B CN102949207 B CN 102949207B
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- 238000002604 ultrasonography Methods 0.000 title claims abstract description 72
- 238000003384 imaging method Methods 0.000 title claims abstract description 28
- 238000007794 visualization technique Methods 0.000 title claims abstract description 13
- 230000000875 corresponding Effects 0.000 claims abstract description 30
- 210000001519 tissues Anatomy 0.000 claims abstract description 23
- 238000005728 strengthening Methods 0.000 claims abstract description 21
- 230000002708 enhancing Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 4
- 210000003491 Skin Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001965 increased Effects 0.000 description 3
- 230000002596 correlated Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000036651 mood Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000001574 biopsy Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002452 interceptive Effects 0.000 description 1
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- 238000010408 sweeping Methods 0.000 description 1
Abstract
The invention discloses a kind of for strengthening pin visualization method, device and system in ultra sonic imaging.Described method comprises the steps: setting steps, for arranging the scan depths corresponding with the degree of depth of target site in the patient or tissue；And determine step, for automatically determining the pin frame deflection angle and ultrasound working frequency gathered for pin frame based on scan depths.In an embodiment according to the present invention, for the pin frame deflection angle of pin frame collection and ultrasound working frequency and all relevant to scan depths for the pin frame gathered carries out strengthening the filter template of edge filter, therefore, pin enhancing visualization in ultra sonic imaging can be realized for different depth scanning, participate in the most not requiring that extra hardware changes without the need for user.
Description
Technical field
The present invention relates to ultrasonic imaging technique, in particular to strengthening the different scanning degree of depth in medical ultrasound imaging
Pin visualization method, device and system.
Background technology
In armarium ultrasound guidance is applied, the visualization of pin in ultrasonoscopy for clinicist's successful execution based on
Intrusive mood ultrasonoscopy guidance operation for most important.
Pin visualization technique in medical ultrasound system, such as B steer (deflection B-mode), SteerXBeam (sweep by deflection
Look into pattern) and Expanded SteerXBeam (extension deflection scanning pattern) etc., what generally use one was special is referred to as pin frame
Extra frame pin is visualized and strengthens, pin frame has a fixing large deflection angle, and applies fixing when gathering pin frame
Ultrasound working frequency.For pin frame, if pin guidance direction is vertical with deflection angle, this can strengthen pin visualization.
Otherwise, pin can disappear in ultrasonoscopy or weaken.
Such as, entitled " the Method and system for submitted to May 15 calendar year 2001 at Danhua Zhao et al.
Ultrasound imaging of a biopsy needle " U.S. Patent application US6524247 in, disclose one and wear
The real-time visual Enhancement Method of pricker, the method uses fixing scanning angle (or pin frame deflection angle) to gather pin frame.
" it is used for increasing pin visualization method and dress in ultra sonic imaging at Guo Jianjun et al. in December in 2010 the entitled of submission on the 27th
Put " Application No. 201010624654.3 Chinese patent application in, disclose and there is big steering angle (such as 45 degree)
Pin frame, and instruct by obtaining pin frame by carrying out being combined with multiple frames of the multi-angle scanning collection of such as 25 degree and 45 degree
To obtain optimum efficiency.
But, owing to different patient size differ greatly, same scan position or tissue (such as heart) are different patients
The internal degree of depth also differs, and different scanning position or be organized in the internal degree of depth and also differ in same patient.Upper
State in prior art, when performing ultrasonic scanning, use fixing pin frame deflection angle all the time for the different scanning degree of depth, do not examine
Consider to different scanning position or be organized in depth difference in the patient so that scanning build using fixing pin frame deflection angle
During relatively big (such as fat) patient, pin is substantially inserted in the patient in the way of being perpendicular to skin so that pin and ultrasound wave
Restraint substantially parallel, thus cause pin disappear in ultrasonoscopy or weaken.Therefore, with fixing pin frame deflection angle in prior art
The pin frame gathered with ultrasound working frequency can not meet the ultrasound guidance requirement at different depth.
Therefore it provides it is desirable for avoiding the methods, devices and systems of foregoing problems and shortcoming.
Summary of the invention
The present invention provide a kind of can by the pin frame deflection angle relevant to the pin frame application degree of depth, ultrasound working frequency and
Edge boostfiltering strengthens pin visualization method, device and the system of different depth scanning.
The technical solution used in the present invention is as follows.
According to the first aspect of the invention, it is provided that one is used for strengthening pin visualization method in ultra sonic imaging, including such as
Lower step: setting steps, for arranging the scan depths corresponding with the degree of depth of target site in the patient or tissue；And determine
Step, for automatically determining the pin frame deflection angle and ultrasound working frequency gathered for pin frame based on scan depths.
According to a preferred embodiment, described also include for strengthening pin visualization method in ultra sonic imaging: strengthen step
Suddenly, for the pin frame gathered is performed edge boostfiltering.
According to another preferred embodiment, perform to strengthen filter template that step used with determined by for pin frame
The pin frame deflection angle gathered matches.
According to another preferred embodiment, in the filter template matched with the pin frame deflection angle for pin frame collection
In, nonzero coefficient is defined along pin direction.
According to another preferred embodiment, when performing to determine step, search and scan deep in the list prestored
Predetermined needles frame deflection angle that degree is corresponding and predetermined ultrasound working frequency, as the pin frame deflection angle gathered for pin frame and ultrasonic
Ripple operating frequency.
According to another preferred embodiment, described in the list that prestores include multiple desired depth value and respectively with institute
State multiple predetermined needles frame deflection angles of each correspondence in multiple desired depth value and multiple predetermined ultrasound working frequency.
According to another preferred embodiment, perform described determine step time, scanning will be neutralized with multiple desired depth values
Deep equality or predetermined needles frame deflection angle corresponding to that desired depth value immediate and predetermined ultrasound working frequency determine
For the pin frame deflection angle gathered for pin frame and ultrasound working frequency.
According to another preferred embodiment, if scan depths is the most shallow, then the pin frame deflection angle gathered for pin frame is the least
And it is the highest for the ultrasound working frequency of pin frame collection.
According to another preferred embodiment, if scan depths is the deepest, then the pin frame deflection angle gathered for pin frame is the biggest
And it is the lowest for the ultrasound working frequency of pin frame collection.
According to the second aspect of the invention, it is provided that one is used for strengthening pin visible apparatus in ultra sonic imaging, including: set
Put module, for arranging the scan depths corresponding with the degree of depth of target site in the patient or tissue；And determine module, it is used for
The pin frame deflection angle and ultrasound working frequency gathered for pin frame is automatically determined based on scan depths.
According to a preferred embodiment, described also include for strengthening pin visible apparatus in ultra sonic imaging: strengthen mould
Block, for performing edge boostfiltering to the pin frame gathered.
According to another preferred embodiment, strengthen filter template that module uses with determined by gather for pin frame
Pin frame deflection angle matches.
According to another preferred embodiment, in the filter template matched with the pin frame deflection angle for pin frame collection
In, nonzero coefficient is defined along pin direction.
According to another preferred embodiment, described determine module to be configured in the list prestored to search and scan deep
Predetermined needles frame deflection angle that degree is corresponding and predetermined ultrasound working frequency are as the pin frame deflection angle gathered for pin frame and ultrasonic
Ripple operating frequency.
According to another preferred embodiment, described in the list that prestores include multiple desired depth value and respectively with institute
State multiple predetermined needles frame deflection angles of each correspondence in multiple desired depth value and multiple predetermined ultrasound working frequency.
According to another preferred embodiment, described determine that module is configured to will to neutralize scanning deep with multiple desired depth values
Spend predetermined needles frame deflection angle corresponding to that desired depth value equal or immediate and predetermined ultrasound working frequency is defined as
The pin frame deflection angle gathered for pin frame and ultrasound working frequency.
According to another preferred embodiment, if scan depths is the most shallow, then the pin frame deflection angle gathered for pin frame is the least
And it is the highest for the ultrasound working frequency of pin frame collection.
According to another preferred embodiment, if scan depths is the deepest, then the pin frame deflection angle gathered for pin frame is the biggest
And it is the lowest for the ultrasound working frequency of pin frame collection.
According to another preferred embodiment, described also include memorizer for strengthening pin visible apparatus in ultra sonic imaging
Or communicating, this memorizer is used for storing above-mentioned list.
According to the third aspect of the invention we, it is provided that a kind of ultrasonic image-forming system, this system includes according to second party of the present invention
Face be used for strengthening pin visible apparatus in ultra sonic imaging.
Methods, devices and systems according to embodiments of the present invention, the pin frame deflection angle gathered for pin frame and ultrasound wave work
Working frequency and for carry out the pin frame gathered strengthening the filter template of edge filter all with and target site in the patient
Or the scan depths corresponding to the degree of depth of tissue be correlated with.Change with the degree of depth of target site in the patient or tissue in scan depths
When becoming and change, automatically adjust the preferred pin frame deflection angle gathered for pin frame and preferred ultrasound working frequency, and to adopting
The pin frame of collection performs the edge boostfiltering relevant to scan depths, therefore, it is possible to realize pin ultrasonic for different depth scanning
Enhancing visualization in imaging, participates in without the need for user, thus contributes to improving the work of pin guidance process in ultra sonic imaging
Make flow process, save the waiting time.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and by specific embodiment, the present invention is described in detail.In accompanying drawing same or similar want
Element uses same reference numerals to represent, wherein:
Fig. 1 is according to an embodiment of the invention for strengthening the flow chart of pin visualization method in ultra sonic imaging；
Fig. 2 is the schematic diagram illustrating and method in Fig. 1 being used for according to one embodiment of the invention shallow good application situation；
Fig. 3 is the schematic diagram illustrating and method in Fig. 1 being used for spending deeply according to one embodiment of the invention application scenarios；
Fig. 4 illustrates that pin frame deflection angle is edge enhancement filter template configuration when 30 degree；
Fig. 5 illustrates that pin frame deflection angle is edge enhancement filter template configuration when 45 degree；
Fig. 6 is to illustrate according to an embodiment of the invention for strengthening the signal of pin visible apparatus in ultra sonic imaging
Figure；And
Fig. 7 is to illustrate in accordance with another embodiment of the present invention for strengthening the signal of pin visualization device in ultra sonic imaging
Figure；
Fig. 8 A is shown in shallow good application the pin frame obtained not according to the technology of the present invention；
Fig. 8 B is shown in shallow good application the pin frame obtained according to the technology of the present invention；
Fig. 9 A is shown in deep good application the pin frame obtained not according to the technology of the present invention；With
Fig. 9 B is shown in deep good application the pin frame obtained according to the technology of the present invention.
Detailed description of the invention
In many medical applications, need to use the ultrasound guidance of the medical apparatus and instruments of such as pin, in order to by various intrusive moods
Medical apparatus and instruments is directed to target site in the patient or tissue.In order to safely and fast pin be directed to target site or group
Knit, it is necessary to strengthen pin visualization in ultrasonoscopy.
Pin is a kind of high reflection object, vertical in scanning angle or when being basically perpendicular to the angle of pin, at ultrasonoscopy
In pin visualization be significant.In regular medication imaging technique, pin frame is used to strengthen visual in ultrasonoscopy of pin
Change.When gathering pin frame, generally use fixing large deflection angle and fixing ultrasound working frequency, and to different patients
When implementing medical apparatus and instruments ultrasound guidance, the parameter arranged including such as pin frame deflection angle, ultrasound working frequency and wave filter exists
The degree of depth of target site or tissue keeps constant when changing in the patient, thus affect pin enhancing in ultrasonoscopy can
Depending on changing.
Therefore, the technology proposed according to the present invention, by such as pin frame deflection angle, ultrasound working frequency and/or wave filter
The parameter configuration arranged become to and target site or the scan depths that is organized in the degree of depth in the patient corresponding relevant.In other words,
According to embodiments of the invention, scan depths change with the degree of depth of target site in the patient or tissue and when changing,
There is corresponding change in the pin frame deflection angle gathered for pin frame and ultrasound working frequency.
Fig. 1 illustrates according to an embodiment of the invention for strengthening the stream of pin visualization method 100 in ultra sonic imaging
Cheng Tu.As it can be seen, in step 102, arrange the scan depths corresponding with the degree of depth of target site in the patient or tissue.Example
As, when the degree of depth that clinicist estimates target site or tissue in the patient is of about 10cm, he or she can be by mutual
Interface arranges the scan depths of about 15cm so that during target site or be organized in is generally in the tissue frame of collection and pin frame
Position, centre.Skilled artisans will appreciate that, data above is for illustration purposes only, and never the present invention is carried out any limit
System.
In step 104, according to step 102 is arranged with target site or be organized in corresponding the sweeping of the degree of depth in the patient
Retouch the degree of depth and automatically determine the pin frame deflection angle and ultrasound working frequency gathered for pin frame.Such as, can be at the row prestored
Predetermined needles frame deflection angle that the scan depths searched in table and arrange is corresponding and predetermined ultrasound working frequency, as pin frame
The preferred pin frame deflection angle gathered and ultrasound working frequency.This list prestored can include multiple scan depths value,
The most each scan depths value both corresponds to a preferred predetermined needles frame deflection angle and a preferred predetermined ultrasound wave job
Frequency.Table 1 shows an exemplary list.
Table 1 gives in an exemplary fashion scan depths value, predetermined needles frame deflection angle and predetermined ultrasound working frequency it
Between multiple combinations.Skilled artisans will appreciate that, in table, the various combinations of listed three parameters are merely to illustrate, and never
The present invention is carried out any restriction.Such as, although scan depths value is incremented by with the step-length of 1.0cm in table, but, art technology
Personnel are it will be appreciated that this depth value can be incremented by by any suitable step-length (such as, 0.5cm, 0.1cm etc.).With certain certain depth
The predetermined needles frame deflection angle of value correspondence and predetermined ultrasound working frequency be relevant parts (such as probe) with ultrasonic image-forming system
Attribute relevant.Preferred pin frame deflection angle that in table 1, each depth value is corresponding and preferably can be determined by experiment and/or emulation
Ultrasound working frequency.
Generally, scan depths value is the least, then corresponding preferred pin frame deflection angle is the least and the preferred ultrasound wave of correspondence works
Frequency is the highest；Otherwise, scan depths value is the biggest, then corresponding preferred pin frame deflection angle is the biggest and the preferred ultrasound wave of correspondence works
Frequency is the lowest.
At step 104, if search in table less than with arrange in a step 102 with target site or be organized in trouble
The depth value that scan depths corresponding to the degree of depth in person's body is equal, then by table with the immediate depth value of scan depths arranged
Corresponding predetermined needles frame deflection angle and predetermined ultrasound working frequency are defined as the pin frame deflection angle that gathers for pin frame and ultrasonic
Ripple operating frequency.
Strengthen in step 106 optional, the pin frame gathered is performed edge boostfiltering.At Guo Jianjun et al. in 2010
The Application No. of entitled " being used for increasing pin visualization method and device in ultra sonic imaging " of on December submission in 27,
In the Chinese patent application of 201010624654.3, it is proposed that a kind of use edge enhancement filter to gather pin frame carry out limit
The method of edge boostfiltering, is herein incorporated the content entirety of this patent application by quoting.Fig. 4 is shown in for pin frame collection
Pin frame deflection angle be edge enhancement filter template configuration when 30 degree, and Fig. 5 be shown in for pin frame gather pin frame inclined
Corner is edge enhancement filter template configuration when 45 degree.As it can be seen, edge enhancement filter template is adopted with for pin frame
The pin frame deflection angle coupling of collection, it may be assumed that define nonzero coefficient, wherein nonzero coefficient in edge enhancement filter template along pin direction
Can for example, 1 but be not limited to 1.
As it has been described above, to gather pin frame perform edge boostfiltering time, according to step 104 determines for pin frame
The pin frame deflection angle gathered configures edge enhancement filter template, and by gained edge enhancement filter template and collection
Pin frame carries out cross-correlation (convolution), so that the pin signal in pin frame is strengthened, and other tissue letter in suppression pin frame simultaneously
Number and pseudomorphism.Additionally, due to the pin frame deflection angle gathered for pin frame with correspond to the deep of target site or tissue in the patient
The scan depths of degree is correlated with, and therefore the edge enhancement filter template according to the configuration of pin frame deflection angle is also relevant to scan depths,
It is thus possible to be that the deeper pin shown in Fig. 5 provides higher for the more shallow pin lower detection level of offer shown in Fig. 4
Detection level.
It is further detailed it follows that combine-3 pairs of some embodiments of the present invention of Fig. 2.
Fig. 2 illustrate according to an embodiment of the invention for shallow good application (such as, small or thin and weak patient,
Or the distance near target site of skin or tissue in the patient) situation.In this example, target site or group in the patient
The degree of depth knitted is about 1.0cm, and scan depths correspondingly can be set to about 2.0cm.In shallow good application, target site
Or tissue and pin are usually located in the shallower region of ultrasonoscopy.Therefore, the pin frame deflection angle being used for pin frame collection is configured to
Pin visualization in ultrasonoscopy can be strengthened and improve the small deflection angle of overall ultrasonograph quality.In this example
In, it is set to 20.0 degree for the pin frame deflection angle of pin frame collection.Meanwhile, in this shallow good application, use higher ultrasonic
Ripple operating frequency increases the definition of ultrasonoscopy and the outward appearance of pin.In this illustration, the ultrasound wave gathered for pin frame
Operating frequency is set to higher 13.0MHz.
Fig. 3 illustrate according to an embodiment of the invention for deep good application (such as, the patient that build is big or fat,
Or the distance remote target site of skin or tissue in the patient) situation.In this example, target site or group in the patient
The degree of depth knitted is about 2.0cm, and therefore scan depths can be set to about 4.0cm.In deep good application, clinicist feels
Target site in the far region being in ultrasonoscopy of interest or tissue and pin ultrasonoscopy.In this case, pin
Being guided in the way of the steepest and have big angle, the pin frame deflection angle that thus be accordingly used in pin frame collection should be configured to deflect greatly
Angle is to strengthen the ultrasonic signal from pin and reflecting.In this illustration, the pin frame deflection angle for pin frame collection is set to
30.0 degree.
Due in ultrasonic image-forming system probe element accept angle limits, big pin frame deflection angle will give gather pin frame
Introduce significant noise and artifact.Therefore, deep good application applies relatively low ultrasound working frequency, to expand hyperacoustic zone
The main lobe of territory directivity function, thus reduce the noise in pin frame and artifact.In this illustration, for pin frame gather ultrasonic
Ripple operating frequency is set to relatively low 10.0MHz.Additionally, apply relatively low ultrasound working frequency, also in deep degree situation
Ultrasound wave can be increased penetrate tissue in the patient and arrive at and be positioned at the target site of deep place in the patient or tissue and pin
Ability, thus further enhance pin visualization in ultrasonoscopy.
Fig. 6 illustrates according to an embodiment of the invention for strengthening the mould of pin visible apparatus 600 in ultra sonic imaging
Massing block diagram.
Device 600 includes: arrange module 602, corresponding with the degree of depth of target site in the patient or tissue for arranging
Scan depths；And determine module 604, for automatically determining the preferred pin frame gathered for pin frame based on the scan depths arranged
Deflection angle and ultrasound working frequency.If the scan depths arranged is the most shallow, then the preferred pin frame deflection angle gathered for pin frame
The least and for pin frame gather preferred ultrasound working frequency the highest.If the scan depths arranged is the deepest, then for pin frame
Gather preferred pin frame deflection angle the biggest and for pin frame gather preferred ultrasound working frequency the lowest.
Determine module 604 to be configured in the list that memorizer 608 is stored to search corresponding with the scan depths arranged
Predetermined needles frame deflection angle and predetermined ultrasound working frequency work frequently as the pin frame deflection angle gathered for pin frame and ultrasound wave
Rate.Specifically, determine that module 604 is configured to that depth value equal with the scan depths arranged in list or immediate
Corresponding predetermined needles frame deflection angle and predetermined ultrasound working frequency are as the preferred pin frame deflection angle gathered for pin frame and excellent
Select ultrasound working frequency.
Device 600 is optionally included with strengthening module 606, for the pin frame gathered is performed edge boostfiltering, its
In in the filter template matched with the preferred pin frame deflection angle for pin frame collection, such as but do not limit along the definition of pin direction
In the nonzero coefficient of 1.
Device 600 may also include memorizer 608 or communicates.Memorizer 608 is for storing according to the scanning arranged
The degree of depth determines the list needed for the preferred pin frame deflection angle and preferred ultrasound working frequency gathered for pin frame.This list bag
Include multiple desired depth value and respectively with multiple predetermined needles frame deflection angles that in multiple desired depth values, each is corresponding and many
Individual predetermined ultrasound working frequency.
One or more modules in Fig. 6 shown device 600 can realize by software, hardware, firmware or a combination thereof.
Fig. 7 illustrates in accordance with another embodiment of the present invention for strengthening showing of pin visualization device 700 in ultra sonic imaging
It is intended to.As it can be seen, this device 700 includes processing unit 702, such as MCU, DSP or CPU etc..Processing unit 702 can be single
Individual or multiple unit, to perform the different step of method described in Fig. 1.Device 700 also includes memorizer 704 or leads to therewith
Letter, memorizer 704 is for storing list mentioned above.Alternatively, device 700 comprises the steps that interactive interface 706, is used for inputting
The scan depths arranged and the pin view data of collection；And output unit 708, it is used for exporting treated pin picture number
According to.
It is used for strengthening pin visible apparatus 600 or device 700 in ultra sonic imaging according to above-described embodiment, can pass through
Software, hardware, firmware or a combination thereof realize in various ultrasonic image-forming systems.This realization comes for those skilled in the art
Say and be easily able to, for brevity, the most no longer this is described in detail.
Fig. 8 A is shown in shallow good application the pin obtained not according to the technology of the present invention and strengthens image, Fig. 8 B be shown in shallow deeply
The pin obtained according to the technology of the present invention in degree application strengthens image.In this shallow good application, scan depths is set to 2cm.As
Shown in figure, compared with the pin enhancing image obtained not according to the technology of the present invention, visualize according to the pin that the technology of the present invention obtains
To being obviously enhanced.
Fig. 9 A is shown in deep good application the pin obtained not according to the technology of the present invention and strengthens image, and Fig. 9 B is shown in deeply
The pin obtained according to the technology of the present invention in degree application strengthens image.In this deep good application, scan depths is set to 6cm.As
Shown in figure, compared with the pin enhancing image obtained not according to the technology of the present invention, visualize according to the pin that the technology of the present invention obtains
To being obviously enhanced.
Describe the present invention above by specific embodiment, but the present invention is not limited to the enforcement that these are concrete
Example.Skilled artisans will appreciate that, it is also possible to the present invention is carried out various amendment, equivalent, change etc..Such as by above-mentioned
A step or module in embodiment are divided into two or more steps or module to realize, or on the contrary, by above-mentioned enforcement
Two or more steps or the function of module in example are placed in a step or module and realize.But, these conversion are only
Will be without departing from the spirit of the present invention, all should be within protection scope of the present invention.It addition, present specification and claims
Some terms used not are to limit, and are intended merely to facilitate description.Additionally, " the enforcement described in above many places
Example ", " another embodiment " etc. represent different embodiment, naturally it is also possible to it is completely or partially combined in an embodiment
In.
Claims (20)
1. one kind is used for strengthening pin visualization method in ultra sonic imaging, it is characterised in that including:
Setting steps, for arranging the scan depths corresponding with the degree of depth of target site in the patient or tissue；And
Determine step, for automatically determining the pin frame deflection angle gathered for pin frame and ultrasound wave work based on described scan depths
Frequency.
2. the method for claim 1, it is characterised in that also include: strengthen step, for performing limit to the pin frame gathered
Edge boostfiltering.
3. method as claimed in claim 2, it is characterised in that perform to strengthen filter template that step used and determined
The pin frame deflection angle for pin frame collection match.
4. method as claimed in claim 3, it is characterised in that in the filter matched with the pin frame deflection angle for pin frame collection
In ripple device template, define nonzero coefficient along pin direction.
5. the method for claim 1, it is characterised in that when performing to determine step, look in the list prestored
Look for the predetermined needles frame deflection angle corresponding with described scan depths and predetermined ultrasound working frequency, as the pin gathered for pin frame
Frame deflection angle and ultrasound working frequency.
6. method as claimed in claim 5, it is characterised in that described in the list that prestores include multiple desired depth value with
And respectively with multiple predetermined needles frame deflection angles that in the plurality of desired depth value, each is corresponding and multiple predetermined ultrasound wave work
Working frequency.
7. method as claimed in claim 6, it is characterised in that perform described determine step time, will be with multiple desired depths
Value neutralizes described scan depths is equal or immediate that desired depth value is corresponding predetermined needles frame deflection angle and predetermined ultrasonic
Ripple operating frequency is defined as pin frame deflection angle and the ultrasound working frequency gathered for pin frame.
8. the method for claim 1, it is characterised in that if described scan depths is the most shallow, then gather for pin frame
Pin frame deflection angle the least and for pin frame gather ultrasound working frequency the highest.
9. the method for claim 1, it is characterised in that if described scan depths is the deepest, then gather for pin frame
Pin frame deflection angle the biggest and for pin frame gather ultrasound working frequency the lowest.
10. one kind is used for strengthening pin visible apparatus in ultra sonic imaging, it is characterised in that including:
Module is set, for arranging the scan depths corresponding with the degree of depth of target site in the patient or tissue；And
Determine module, for automatically determining the pin frame deflection angle gathered for pin frame and ultrasound wave work based on described scan depths
Frequency.
11. devices as claimed in claim 10, it is characterised in that also include: strengthen module, for performing the pin frame gathered
Edge boostfiltering.
12. devices as claimed in claim 11, it is characterised in that strengthen module use filter template with determined by use
Match in the pin frame deflection angle of pin frame collection.
13. devices as claimed in claim 12, it is characterised in that matching with the pin frame deflection angle for pin frame collection
In filter template, define nonzero coefficient along pin direction.
14. device as claimed in claim 10, it is characterised in that described determine that module is configured in the list prestored
Search the predetermined needles frame deflection angle corresponding with described scan depths and predetermined ultrasound working frequency as gathering for pin frame
Pin frame deflection angle and ultrasound working frequency.
15. devices as claimed in claim 14, it is characterised in that described in the list that prestores include multiple desired depth value
And respectively with multiple predetermined needles frame deflection angles that in the plurality of desired depth value, each is corresponding and multiple predetermined ultrasound wave
Operating frequency.
16. devices as claimed in claim 15, it is characterised in that described determine module be configured to by with multiple desired depths
Value neutralizes described scan depths is equal or immediate that desired depth value is corresponding predetermined needles frame deflection angle and predetermined ultrasonic
Ripple operating frequency is defined as pin frame deflection angle and the ultrasound working frequency gathered for pin frame.
17. devices as claimed in claim 10, it is characterised in that if described scan depths is the most shallow, then gather for pin frame
Pin frame deflection angle the least and for pin frame gather ultrasound working frequency the highest.
18. devices as claimed in claim 10, it is characterised in that if described scan depths is the deepest, then gather for pin frame
Pin frame deflection angle the biggest and for pin frame gather ultrasound working frequency the lowest.
19. devices as claimed in claim 14, it is characterised in that also include: memorizer, be used for storing described list.
20. a ultrasonic image-forming system, it is characterised in that include according to any one of claim 10-19 is super for strengthening
Pin visible apparatus in acoustic imaging.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110270881.5A CN102949207B (en) | 2011-08-25 | Strengthen pin visualization method, device and system in medical ultrasound imaging | |
| JP2012181520A JP6121666B2 (en) | 2011-08-25 | 2012-08-20 | Method, apparatus and system for operating a device to improve needle visualization in medical ultrasound imaging |
| US13/592,034 US9149253B2 (en) | 2011-08-25 | 2012-08-22 | Method, apparatus and system for enhancing needle visualization in medical ultrasound imaging |
| DE102012107780A DE102012107780A1 (en) | 2011-08-25 | 2012-08-23 | Method, apparatus and system for improving needle visualization in medical ultrasound imaging |
| US14/846,271 US9398895B2 (en) | 2011-08-25 | 2015-09-04 | Method apparatus and system for enhancing needle visualization in medical ultrasound imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110270881.5A CN102949207B (en) | 2011-08-25 | Strengthen pin visualization method, device and system in medical ultrasound imaging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102949207A CN102949207A (en) | 2013-03-06 |
| CN102949207B true CN102949207B (en) | 2016-12-14 |
Family
ID=
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| EP0952462A2 (en) * | 1998-04-23 | 1999-10-27 | General Electric Company | Method and apparatus for improving visualization of biopsy needle in ultrasound imaging |
| CA2373295A1 (en) * | 1999-05-18 | 2000-11-23 | Mediguide Ltd. | Medical positioning system |
| CN101467896A (en) * | 2007-12-29 | 2009-07-01 | 西门子（中国）有限公司 | Ultrasonic equipment and image capturing method |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0952462A2 (en) * | 1998-04-23 | 1999-10-27 | General Electric Company | Method and apparatus for improving visualization of biopsy needle in ultrasound imaging |
| CA2373295A1 (en) * | 1999-05-18 | 2000-11-23 | Mediguide Ltd. | Medical positioning system |
| CN101467896A (en) * | 2007-12-29 | 2009-07-01 | 西门子（中国）有限公司 | Ultrasonic equipment and image capturing method |
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| Title |
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| US 6,524,247 B2,2003.02.25, * |
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