CN207041539U - For aiding in obtaining intestinal ultrasound image and the tracer and system of transmission speed - Google Patents
For aiding in obtaining intestinal ultrasound image and the tracer and system of transmission speed Download PDFInfo
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- CN207041539U CN207041539U CN201720171275.0U CN201720171275U CN207041539U CN 207041539 U CN207041539 U CN 207041539U CN 201720171275 U CN201720171275 U CN 201720171275U CN 207041539 U CN207041539 U CN 207041539U
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Abstract
The utility model embodiment is disclosed for aiding in obtaining intestinal ultrasound image and the tracer and system of transmission speed, and tracer is used to be swallowed by human body, including shell and soft magnetic bodies, and the material of shell is the material that human body can be swallowed；Soft magnetic bodies are located in shell, for by supersonic sounding, and its position and change in location in enteron aisle is detected by Magnetic Sensor survey meter, to obtain transmission speed of the soft magnetic bodies in human body intestinal canal according to position and change in location, and according to transmission speed and the specific part of the length positioning soft magnetic bodies of enteron aisle place human body intestinal canal, ultrasound is utilized to obtain the ultrasonic image of specific part.Tracer containing soft magnetic bodies is used to aid in obtaining intestinal ultrasound image and transmission speed by the utility model embodiment, human body is free from side effects, the specific part of human body intestinal canal can be rapidly and accurately positioned by the soft magnetic bodies in tracer by Magnetic Sensor survey meter, so as to allow doctor quick and precisely to obtain the ultrasonic image and transmission speed of specific part in enteron aisle.
Description
Technical field
The utility model embodiment is related to medical device technology, more particularly to a kind of auxiliary that is used for obtains intestinal ultrasound image
With the tracer and system of transmission speed.
Background technology
Gastrointestinal motility disorder refers to various organic or dynamic disease gastrointestinal smooth muscle dyskinesia caused by
Pathologic process, be clinical diagnosis and treatment difficult point.The clinical testing procedure of intestines and stomach image and dynamic-based assessment is obtained at present
It is more, but most of method is only for the detection of stomach, such as Ultrasonic Diagnosis, radionuclide imaging, nuclear magnetic resonance, stomach and intestine electrograph, biology
Electrical impedance etc.；Only a few methods such as radio-opaque markers, Capsule Endoscopy can be used for commenting while obtaining enteron aisle image
Estimate the power situation of Gl transit.
1st, X radiopaque marker method：It is mainly used in determining the gastric emptying and enteron aisle propulsion functions of solid matter.Use barium sulfate
Radiopaque small mark is made, fed standard meal takes 20 capsules that radiopaque merkers are housed simultaneously, respectively at meal
Multiple time point shooting abdominal X-ray plains afterwards, the emptying situation of intestines and stomach is assessed by the quantity and change in location of label.
Patient repeatedly need to be exposed under ray by this method, not only be difficult to the sharp image for obtaining intestines and stomach, and to gastroenteritic power
Assess category " static state " observation.
2nd, capsule endoscope method：By patient swallow's capsule shape camera, shot using capsule shape camera from swallowing to discharge
Whole process image, and in this way, later stage doctor needs to investigate the image of above-mentioned whole process successively, due to intestines
Road is very long, and whole process needs even a few days a few hours to complete to check, lesion is found out by image data in enteric cavity, but generally
It is difficult to the particular location for determining enteron aisle lesion, takes time and effort, and capsule shape camera is expensive, volume is larger, and patient gulps down
Clothes experience is bad, or even also needs to operation when that can not excrete and take out.
To sum up, it is difficult to the image for effectively obtaining privileged site enteron aisle in the prior art, and for Gl transit speed
It is not convenient enough, accurate to assess, while existing method can bring discomfort or radiation injury in varying degrees to human body, and experience is not
It is good, take time and effort.
Utility model content
The utility model embodiment provide a kind of tracer for being used to aiding in obtain intestinal ultrasound image and transmission speed and
System, with solve the problems, such as in the prior art can not precise positioning, obtain enteron aisle image and enteron aisle transmission speed information.
In a first aspect, the utility model embodiment, which provides a kind of auxiliary that is used for, obtains intestinal ultrasound image and transmission speed
Tracer, the tracer is used to be swallowed by human body, including shell and soft magnetic bodies, wherein,
The material of the shell is the material that human body can be swallowed；
The soft magnetic bodies are located in the shell, for by supersonic sounding, and by Magnetic Sensor survey meter detect its
Position and change in location in enteron aisle, to obtain transmission of the soft magnetic bodies in human body intestinal canal according to the position and change in location
Speed, and according to the transmission speed and the specific part of the length positioning soft magnetic bodies of enteron aisle place human body intestinal canal, utilize ultrasound
Obtain the ultrasonic image of the specific part.
Preferably, the shape of the shell is for ease of the regular shape under ultrasonic image with intestinal tissue differentiation.
Preferably, the shell is capsule shape shell.
Preferably, the tracer shows the visible bright spot of naked eyes under ultrasonic image.
Second aspect, the utility model embodiment additionally provide a kind of auxiliary that is used for and obtain intestinal ultrasound image and transmission speed
The system of degree, including the as above tracer described in first aspect and Magnetic Sensor survey meter, wherein,
The Magnetic Sensor survey meter includes housing and the Magnetic Sensor in housing, and the Magnetic Sensor survey meter is used
In when close to human abdomen, using soft magnetic bodies of the Magnetic Sensor detection in human body intestinal canal, and soft magnetic bodies are obtained with respect to institute
Position and the change in location of Magnetic Sensor are stated, transmission of the soft magnetic bodies in human body intestinal canal is obtained according to the position and change in location
Speed, and according to the transmission speed and the specific part of the length positioning soft magnetic bodies of enteron aisle place human body intestinal canal, utilize ultrasound
Obtain the ultrasonic image of the specific part.
Preferably, the Magnetic Sensor survey meter also includes：
Computing module, for the position according to the relatively described Magnetic Sensor of the soft magnetic bodies and change in location, calculate soft
Transmission speed of the magnet in human body intestinal canal, and soft magnetic bodies are calculated according to the length gauge of the transmission speed and enteron aisle and reach human body
The time of the specific part of enteron aisle, so as to the specific part of the human body intestinal canal according to where the timi requirement soft magnetic bodies.
Preferably, the Magnetic Sensor survey meter also includes：
Prompting module, for learning that the soft magnetic bodies reach the specific part of human body intestinal canal by calculating when computing module
When, send alerting signal.
Preferably, the quantity of the Magnetic Sensor is 4, and is sensed in the Magnetic Sensor survey meter with 4 magnetic
Device is that 4 summits are square distribution.
Preferably, the one side of the Magnetic Sensor survey meter housing is visualization screen, for observing the soft magnetism detected
The change path of body and soft magnetic bodies with respect to magnetic sensor locations.
Preferably, the size of the Magnetic Sensor survey meter is at least to cover the part of human abdomen's intestines and stomach.
Tracer containing soft magnetic bodies is used for the acquisition of intestinal ultrasound image and transmission speed by the utility model embodiment,
After human body swallows tracer, the soft magnetic bodies in tracer are detected by the Magnetic Sensor survey meter of outside, and pass through soft magnetism body phase
Position to the Magnetic Sensor in Magnetic Sensor survey meter and then position and change in location of the soft magnetic bodies in enteron aisle are learnt, so as to
Transmission speed of the soft magnetic bodies in human body intestinal canal is obtained according to the position and change in location, and according to the transmission speed and intestines
The specific part of human body intestinal canal where the length positioning soft magnetic bodies in road, so as to obtain the ultrasound of the specific part enteron aisle using ultrasound
Image, there is no any side effect to human body not only, and the specific of human body intestinal canal rapidly and accurately can be positioned by tracer
Part, and aid in obtaining the ultrasonic image of specific part in the enteron aisle.
Brief description of the drawings
Fig. 1 is the structural representation for the tracer that the utility model embodiment one provides；
Fig. 2 is the system for being used to aid in obtain intestinal ultrasound image and transmission speed that the utility model embodiment two provides
The structural representation of middle Magnetic Sensor survey meter；
Fig. 3 is the principle that the Magnetic Sensor survey meter that the utility model embodiment two provides detects soft magnetic bodies in tracer
Figure.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than to restriction of the present utility model.Further need exist for
It is bright, for the ease of description, the part related to the utility model rather than entire infrastructure are illustrate only in accompanying drawing.
Embodiment one
Fig. 1 is the tracer for being used to aid in obtain intestinal ultrasound image and transmission speed that the utility model embodiment one provides
The structural representation of device, as illustrated, tracer includes shell 1 and soft magnetic bodies 2, wherein,
Tracer is used to be swallowed by human body, i.e., the material of shell 1 is that human body can swallow material；
Soft magnetic bodies 2 are located in shell 1, for detecting it in enteron aisle by supersonic sounding, and by Magnetic Sensor survey meter
Position and change in location, to obtain transmission speed of the soft magnetic bodies in human body intestinal canal according to the position and change in location,
And according to the transmission speed and the specific part of the length positioning soft magnetic bodies of enteron aisle place human body intestinal canal, ultrasound is utilized to obtain institute
State the ultrasonic image of specific part.
Specifically, after human body swallows tracer, tracer and tracer can be clearly told in ultrasonic image
Movement of the soft magnetic bodies in enteron aisle in device, in a preferred embodiment, soft magnetic bodies can be enable under ultrasonic image
Show the visible bright spot of naked eyes, it is therefore an objective to facilitate doctor quickly can navigate to soft magnetic bodies in belly with ultrasound, then when passing through
When Magnetic Sensor survey meter detects the specific part of soft magnetic bodies arrival human body intestinal canal, this can be obtained by positioning soft magnetic bodies
The ultrasonic image of specific intestinal portion.
It is preferably carried out in mode in one kind, in order to clearly tell tracer in ultrasonic image, can incites somebody to action
Shell 1 is shaped to not only easily to be identified with certain rule, such as capsule shape shell, this shell by ultrasound, and
And be easy to human body and swallow, reduce the sense of discomfort of patient.During implementation, soft magnetic bodies can be placed in the half of capsule, and with gel
Filling, the another of capsule semi-direct fasten therewith.
During intestinal ultrasound image is obtained, because soft magnetic bodies show the visible bright spot of naked eyes under ultrasonic image,
Therefore, after human body swallows tracer, the soft magnetic bodies in tracer can be easily found using ultrasonic probe, and can track
Movement of the soft magnetic bodies in enteron aisle, then obtains the ultrasonic image of enteron aisle specific part by positioning soft magnetic bodies.Specifically grasping
When making, doctor can be according to translational speed of the tracer in enteron aisle, according to certain time interval by obtaining in tracer
The position of soft magnetic bodies obtains the ultrasonic image of enteron aisle where tracer, finally, the ultrasonic image that All Time point is got
Combine, be exactly the ultrasonic image and transmission information of complete enteron aisle, doctor is without all-the-way tracking tracer in enteron aisle
It is mobile, save the time, and doctor it is follow-up check Gastrointestinal diseases when, due to enteron aisle overall structure order be it is constant, that
A certain section of enteron aisle is targetedly checked according to order can.
Further, it is known to human body intestinal canal is divided into duodenum, jejunum, ileum, caecum, colon and rectum, length
About 7 meters, jejunum, in belly center, is around surrounded, so it is limited to be placed in space for long enteron aisle disk with ileum return by colon
It is intraperitoneal, along with some intestinal segments can also change position with the movement of the wriggling and human body of enteron aisle, therefore, Different Individual
Although the position of each several part of enteron aisle substantially is identical between, and the particular location of specific intestinal segment is indefinite, therefore, wants to obtain
The ultrasonic image for getting enteron aisle specific part is relatively difficult.And the tracer of use the utility model embodiment, it is soft inside it
Magnet can be detected position and change in location of the soft magnetic bodies in enteron aisle by Magnetic Sensor survey meter, then can according to
The position and change in location obtain transmission speed of the soft magnetic bodies in human body intestinal canal, and according to the transmission speed and the length of enteron aisle
The part of human body intestinal canal where positioning soft magnetic bodies, so as to obtain the ultrasonic image of the partial enteral.Similarly, the process simply has
The specific part of effect ground positioning human body intestinal canal so that doctor can be with the ultrasonic image of the specific intestinal portion of quick obtaining, time saving province
Power.
In addition, according to position of the soft magnetic bodies in enteron aisle and change in location, transmission of the soft magnetic bodies in human body intestinal canal is obtained
Speed, and complete transmission time of the soft magnetic bodies in human body intestinal canal would know that according to the transmission speed and the length of enteron aisle,
Transmission time of the soft magnetic bodies in the specific intestinal segment of human body intestinal canal can be known, so as to judge that Gl transit function provides for doctor
With reference to.
Embodiment two
The utility model embodiment two provides a kind of system for being used to aid in acquisition intestinal ultrasound image and transmission speed,
The tracer provided including Magnetic Sensor survey meter and the utility model embodiment, wherein, Magnetic Sensor survey meter includes shell
Body and the Magnetic Sensor in housing, Magnetic Sensor survey meter are used to when close to human abdomen, detect using Magnetic Sensor
Soft magnetic bodies in human body intestinal canal, and position and the change in location of the relatively described Magnetic Sensor of soft magnetic bodies are obtained, according to described
Position and change in location obtain transmission speed of the soft magnetic bodies in human body intestinal canal, and according to the transmission speed and the length of enteron aisle
The part of human body intestinal canal where positioning soft magnetic bodies, the ultrasonic image of the partial enteral is obtained using ultrasound.
Further, the Magnetic Sensor survey meter also includes：
Computing module, for the position according to the relatively described Magnetic Sensor of the soft magnetic bodies and change in location, calculate soft
Transmission speed of the magnet in human body intestinal canal, and soft magnetic bodies are calculated according to the length gauge of the transmission speed and enteron aisle and reach human body
The time of the specific part of enteron aisle, so as to the specific part of the human body intestinal canal according to where the timi requirement soft magnetic bodies；With
Prompting module, for learning that the soft magnetic bodies reach the specific part of human body intestinal canal by calculating when computing module
When, send alerting signal.
In one embodiment, the number of the Magnetic Sensor in Magnetic Sensor survey meter can be 3, preferably 4.
Fig. 2 shows the structural representation of Magnetic Sensor survey meter in this preferred embodiment, is passed in figure comprising housing 3 and 4 magnetic
Sensor, respectively M1~M4, using 4 Magnetic Sensors as corresponding 4 summits, it is in the housing 3 of Magnetic Sensor survey meter
Square distribution, to be rectangle distribution shown in figure, in another embodiment, square it can also be distributed.
During intestinal ultrasound image is obtained, after human body swallows tracer, tracer enters enteron aisle by stomach,
Now detect the position of soft magnetic bodies and change in location in tracer using Magnetic Sensor survey meter.Need exist for explanation
It is that Magnetic Sensor survey meter will at least cover the part of human abdomen's intestines and stomach, so, no matter which of enteron aisle tracer reach
Part, Magnetic Sensor survey meter can detect soft magnetic bodies therein.
Preferably, the one side of housing 3 can be visualization screen, can be observed by screen the soft magnetic bodies that detect and
Change path of the soft magnetic bodies with respect to magnetic sensor locations.
Next the principle of soft magnetic bodies in Magnetic Sensor survey meter detection tracer is described with reference to Fig. 3.
As shown in figure 3, when Magnetic Sensor survey meter is close to human abdomen, Magnetic Sensor survey meter utilizes Magnetic Sensor M1
~M4 detects the soft magnetic bodies 2 in human body intestinal canal, and obtains position and position of the soft magnetic bodies 2 with respect to Magnetic Sensor M1~M4
Change, to position specific part of the soft magnetic bodies in enteron aisle.It should be noted that soft magnetic bodies 2 are with respect to Magnetic Sensor M1~M4
Movement do not show in figure 3.
As shown in figure 3, when soft magnetic bodies 2 (also writing SMB) enter Magnetic Sensor M1~M4 region, generation magnetic field B, magnetic passes
The magnetic induction intensity that sensor measures soft magnetic bodies is B1~B4, due to the magnetic field intensity of measurement Magnetic Sensor relative with soft magnetic bodies away from
It is inversely proportional from square, the position of soft magnetic bodies is can be calculated according to B1~B4.Specific calculating process is as follows：
If：Magnetic Sensor M3 is plane coordinates origin, M1M2=M1M3=1, i.e. M1=(0,1), M2=(1,1), M3=
(0,0), M4=(1,0), SMB=(x, y, z), the B1~B4 readings measured are b1~b4, then obtain equation below：
B1=k/ (x2+(1-y)2+z2)
B2=k/ ((1-x)2+(1-y)2+z2)
B3=k/ (x2+y2+z2)
B4=k/ ((1-x)2+y2+z2)
Wherein, k is the coefficient that can be demarcated.
By can be calculated equation below：
B3/B1=b3/b1=(x2+(1-y)2+z2)/(x2+y2+z2)；
B3/B2=b3/b2=((1-x)2+(1-y)2+z2)/(x2+y2+z2)；
B3/B4=b3/b4=((1-x)2+y2+z2)/(x2+y2+z2)；
Assuming that ignoring SMB the different distance z in depth, i.e. z=0, the positions (x, y) of SMB in the plane are calculated, if S
=r2=x2+y2, then：
1/b1+1/b4=1/b2+1/b3
(1-b3/b1) * S-2y+1=0；
(1-b3/b2) * S-2x-2y+2=0；
(1-b3/b4) * S-2x+1=0；
Normalization, makes S=k/b3, then obtains：
X=((1-b3/b4) * S+1)/2
Y=((1-b3/b1) * S+1)/2
Particularly, as b1=b2=b3=b4, (x, y)SMB=(0.5,0.5)
It is relative according to movement of the tracer in enteron aisle, i.e. soft magnetic bodies after soft magnetic bodies obtain with respect to the position of Magnetic Sensor
The change in location of Magnetic Sensor, you can transmission speed of the soft magnetic bodies in human body intestinal canal is calculated, according to the transmission speed and enteron aisle
Length can positioning soft magnetic bodies reach time of human body intestinal canal specific part, so as to for doctor can quick obtaining enteron aisle it is special
The ultrasonic image for determining part provides basis of time.During implementation, two position reference points in enteron aisle can be set, are passed by magnetic
Sensor survey meter obtains the time that soft magnetic bodies reach the two reference points, can be calculated according to the distance between two reference points
Transmission speed of the soft magnetic bodies in human body intestinal canal, certainly, the application do not do any restriction to this, and Magnetic Sensor survey meter can also
The transmission speed is calculated by other computational methods.
In summary, the tracer containing soft magnetic bodies is used to aid in obtaining intestinal ultrasound image by the utility model embodiment
And transmission speed, after human body swallows tracer, the soft magnetic bodies in tracer are detected by the Magnetic Sensor survey meter of outside, and lead to
Cross position of the soft magnetic bodies with respect to the Magnetic Sensor in Magnetic Sensor survey meter and then learn position of the soft magnetic bodies in enteron aisle, so as to
Yu doctor obtains transmission speed of the soft magnetic bodies in human body intestinal canal according to this position and change in location, and according to the transmission speed
The part of human body intestinal canal where the length positioning soft magnetic bodies of degree and enteron aisle, so as to obtain the ultrasonic image of the partial enteral, not only
There is no any side effect to human body, and the specific part of human body intestinal canal can be rapidly and accurately positioned by tracer, and obtain
Take the ultrasonic image of specific part in the enteron aisle.
Pay attention to, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carried out for a person skilled in the art various bright
Aobvious change, readjust and substitute without departing from the scope of protection of the utility model.Therefore, although passing through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
In the case that the utility model is conceived, other more equivalent embodiments can also be included, and the scope of the utility model is by appended
Right determine.
Claims (10)
1. a kind of be used to aid in obtaining intestinal ultrasound image and the tracer of transmission speed, it is characterised in that the tracer is used
Swallowed in by human body, including shell and soft magnetic bodies, wherein,
The material of the shell is the material that human body can be swallowed；
The soft magnetic bodies are located in the shell, for detecting it in enteron aisle by supersonic sounding, and by Magnetic Sensor survey meter
Interior position and change in location, to obtain transmission speed of the soft magnetic bodies in human body intestinal canal according to the position and change in location
Degree, and according to the transmission speed and the specific part of the length positioning soft magnetic bodies of enteron aisle place human body intestinal canal, obtained using ultrasound
Take the ultrasonic image of the specific part.
2. tracer according to claim 1, it is characterised in that the shape of the shell for ease of under ultrasonic image with
The regular shape that intestinal tissue is distinguished.
3. tracer according to claim 1, it is characterised in that the shell is capsule shape shell.
4. tracer according to claim 1, it is characterised in that the soft magnetic bodies show naked eyes under ultrasonic image can
See bright spot.
5. a kind of be used to aid in the system for obtaining intestinal ultrasound image and transmission speed, it is characterised in that including such as claim
Tracer and Magnetic Sensor survey meter described in any one of 1-4, wherein,
The Magnetic Sensor survey meter includes housing and the Magnetic Sensor in housing, and the Magnetic Sensor survey meter is used for
During close to human abdomen, using soft magnetic bodies of the Magnetic Sensor detection in human body intestinal canal, and the relatively described magnetic of soft magnetic bodies is obtained
The position of sensor and change in location, transmission speed of the soft magnetic bodies in human body intestinal canal is obtained according to the position and change in location
Degree, and according to the transmission speed and the specific part of the length positioning soft magnetic bodies of enteron aisle place human body intestinal canal, obtained using ultrasound
Take the ultrasonic image of the specific part.
6. system according to claim 5, it is characterised in that the Magnetic Sensor survey meter also includes：
Computing module, the soft magnetic bodies for being detected according to the Magnetic Sensor become with respect to the position of Magnetic Sensor and position
Change, calculate transmission speed of the soft magnetic bodies in human body intestinal canal, and calculated according to the length gauge of the transmission speed and enteron aisle soft
Magnet reaches the time of the specific part of human body intestinal canal, so as to according to the specific of timi requirement soft magnetic bodies place human body intestinal canal
Part.
7. system according to claim 6, it is characterised in that the Magnetic Sensor survey meter also includes：
Prompting module, for when computing module calculates and learns that the soft magnetic bodies reach the specific part of human body intestinal canal, sending and carrying
Awake signal.
8. system according to claim 5, it is characterised in that the quantity of the Magnetic Sensor is 4, and in the magnetic
It is square distribution using 4 Magnetic Sensors, 4 summits as corresponding in sensor survey meter.
9. system according to claim 5, it is characterised in that the one side of the Magnetic Sensor survey meter housing is visualization
Screen, for observing the change path of the soft magnetic bodies detected and soft magnetic bodies with respect to magnetic sensor locations.
10. system according to claim 5, it is characterised in that the size of the Magnetic Sensor survey meter is at least to cover
The part of human abdomen's intestines and stomach.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618640A (en) * | 2017-02-24 | 2017-05-10 | 北京汇影互联科技有限公司 | Tracer and system for assisting to obtain intestinal ultrasound image and transmission speed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106618640A (en) * | 2017-02-24 | 2017-05-10 | 北京汇影互联科技有限公司 | Tracer and system for assisting to obtain intestinal ultrasound image and transmission speed |
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