CN204394569U - A kind of echocardiography probe with three-dimensional electronic compass - Google Patents
A kind of echocardiography probe with three-dimensional electronic compass Download PDFInfo
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- CN204394569U CN204394569U CN201520010095.5U CN201520010095U CN204394569U CN 204394569 U CN204394569 U CN 204394569U CN 201520010095 U CN201520010095 U CN 201520010095U CN 204394569 U CN204394569 U CN 204394569U
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Abstract
This utility model relates to a kind of echocardiography probe with three-dimensional electronic compass, and comprise probe body, ultrasonic beam outlet, ultrasonic main frame joint, described echocardiography probe is provided with three-dimensional electronic compass; Described three-dimensional electronic compass is made up of magnetoresistive transducer, obliquity sensor, MCU; Described three-dimensional electronic compass is arranged in probe body; Described probe body two ends are drawn in centre; Described ultrasonic beam outlet is the rectangle of band fillet; Described ultrasonic main frame joint is the rectangle of band fillet; Described ultrasonic main frame joint and probe body are connected by cable.Its advantage shows: by determining the angle of Probe Ultrasonic Searching bundle, makes the dimensional orientation angle of ultrasonic accurate measurement organ or tissue become possibility; Ultrasoundcardiogram can be provided more in detail, spatial positional information intuitively; Can use in numerous cardiovascular diagnosis treatments and other medical domain.
Description
Technical field
This utility model relates to technical field of medical instruments, specifically, is a kind of echocardiography probe with three-dimensional electronic compass.
Background technology
Ultrasoundcardiogram is a kind of technology utilizing ultrasonic principle diagnosis of cardiovascular diseases, because ultrasonic frequency is high, wavelength is short, thus can conduct by directed bunchy when propagating, there is fine directivity, therefore it is called ultrasonic beam, in ultrasonic diagnosis, explore tissue in acoustic beam conduction orientation and organ according to hyperacoustic directivity just.Diagnose its disease by tissues observed or organ (particularly heart) different spaces angular image, wherein the dimensional orientation angle of organ or tissue is measured by ultrasonic heart figure probe.
Echocardiography probe is in actual mechanical process, in order to comprehensive observation, needs will be popped one's head in omnibearing movement, its probe has different angles in space, the ultrasonic beam that making pops one's head in sends has different angles equally, thus obtain the information of the different angle of ultrasonic beam, as the angle information of ultrasonic beam space X axle, Y-axis, Z axis.
In prior art, usually select magnetic navigation technology to judge the locus of probe, but magnetic navigation technology needs arrangement space magnetic field, influence factor is more, is also not suitable for the surgical application of more metallic weapon.In addition, ultrasoundcardiogram aspect, later image merges registration technique and all carries out registration fusion based on the similarity (as based on normal vector and the Similarity Measure based on mutual information) by computed in software image, there are not the ultrasonoscopy based on space bit dot address coding and the fusion video picture of other multiple image check (as x-ray computer tomoscan, magnetic resonance imaging and angiocardiography video picture etc.) of real-time synchronization of touching upon.
In sum, need badly a kind of easy to use, with low cost, the spatial attitude angle of perception echocardiography probe, the three-dimensional space position that can be each pixel of ultrasonoscopy can carry out the echocardiography probe of the band three-dimensional electronic compass of accurate coding location.And yet there are no report about this echocardiography probe.
Summary of the invention
The purpose of this utility model is, provide a kind of easy to use, with low cost, the spatial attitude angle of perception echocardiography probe, the three-dimensional space position that can be each pixel of ultrasonoscopy can carry out the echocardiography probe of the band three-dimensional electronic compass of accurate coding location.
For achieving the above object, the technical scheme that this utility model is taked is:
With an echocardiography probe for three-dimensional electronic compass, comprise probe body, ultrasonic beam outlet, ultrasonic main frame joint, described echocardiography probe is provided with three-dimensional electronic compass; Described three-dimensional electronic compass is made up of magnetoresistive transducer, obliquity sensor, MCU; Described three-dimensional electronic compass is arranged in probe body; Described probe body two ends are drawn in centre; Described ultrasonic beam outlet is the rectangle of band fillet; Described ultrasonic main frame joint is the rectangle of band fillet; Described ultrasonic main frame joint and probe body are connected by cable.
Described magnetoresistive transducer model is HMC58883 tri-axle magnetoresistive transducer.
Described magnetoresistive transducer has 3, is distributed on X-axis, Y-axis, Z axis.
Described obliquity sensor is made up of 3 axis MEMS gyro, 3 axis MEMS accelerometer, DSP; Described MCU is by CPU, RAM, ROM, the chip of timer conter together with multiple I/O Interface integration.
This utility model advantage is:
1, a kind of echocardiography probe with three-dimensional electronic compass of the present utility model, pass through three-dimensional electronic compass, the space angle information of ultrasonic beam can be measured, by catching ultrasonic beam space angle positional information, the software of its correspondence is in image fusion technology, can merge based on address and other image mode after the coding of image space site, ultrasoundcardiogram can be provided more in detail, spatial positional information intuitively;
2, volume is little, lightweight, precision is high, reliability is strong, the feature of fast response time to select magnetoresistive transducer to have;
3, by determining the angle of Probe Ultrasonic Searching bundle, the dimensional orientation angle of ultrasonic accurate measurement organ or tissue is made to become possibility, convenient, flexibly and enrich on real-time image information basis and add more simple and practical function in ultrasonic instrument inspection;
4, a kind of echocardiography probe with three-dimensional electronic compass of the present utility model ultrasonoscopy of encoding based on space bit dot address can in real time or later stage and other multiple image check carry out fusion video picture, can use on numerous medical domain, one of its application is chosen in advance for the x-ray crevice projection angle in auxiliary angiocardiography inspection art, to reduce radiation dose and the contrast agent consumption of patient's acceptance; The cardiovascular that two of application is Wicresoft provides further spatial positional information to be beneficial to optimize the formulation of operation plan through intubation intervention operation and surgical operation; Three of application is that the three-dimensional space position of each pixel of ultrasonoscopy carries out accurate coding location, thus lay the first stone for the ultrasonoscopy in exploring at present and the image real-time synchronization of other imaging examinations such as computed tomography (CT), nuclear magnetic resonance, NMR (MRI) or the registration integration technology in later stage, cater to the inexorable trend that medical treatment treatment apparatus industry merges transboundary, therefore will fully develop talents in its inspection cardiovascular diseases and treatment field.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of echocardiography probe structural representation with three-dimensional electronic compass of the present utility model.
Detailed description of the invention
Also with reference to accompanying drawing, this utility model is further described below in conjunction with embodiment.
The Reference numeral related in accompanying drawing and ingredient as follows:
1. probe body 2. ultrasonic beam outlet
3. ultrasonic main frame joint 4. three-dimensional electronic compass
5. cable
Embodiment 1
Please refer to Fig. 1, Fig. 1 is a kind of echocardiography probe structural representation with three-dimensional electronic compass of the present utility model.With an echocardiography probe for three-dimensional electronic compass, described echocardiography probe comprises probe body 1, ultrasonic beam outlet 2, ultrasonic main frame joint 3, three-dimensional electronic compass 4; Described probe body 1 two ends are drawn in centre; Described ultrasonic beam outlet is the rectangle of band fillet; Described ultrasonic main frame joint 3 is the rectangle of band fillet; Described ultrasonic main frame joint 3 is connected by cable 5 with probe body 1; Described three-dimensional electronic compass 4 is arranged in probe body 1.
Described three-dimensional electronic compass 4 is made up of magnetoresistive transducer, obliquity sensor, MCU; Described magnetoresistive transducer model is HMC58883 tri-axle magnetoresistive transducer; Described obliquity sensor is made up of 3 axis MEMS gyro, 3 axis MEMS accelerometer, DSP; Described MCU is by CPU, RAM, ROM, the chip of timer conter together with multiple I/O Interface integration.
It should be noted that: described three-dimensional electronic compass 4 measurement parameter has " azimuth ", " roll angle ", " angle of pitch ", wherein " azimuth " is defined as the angle between the projection in the horizontal plane of three-dimensional electronic compass 4 own axes and north orientation, " roll angle " is defined as the angle of three-dimensional electronic compass 4 around own axis, and " angle of pitch " is the angle between three-dimensional electronic compass 4 own axes and horizon.With the echocardiography probe of three-dimensional electronic compass 4 in actual mechanical process, the roll angle of its three-dimensional electronic compass 4 is constant, all the time rotate according to original angular velocity around axis, but its azimuth and the angle of pitch change along with the rotation of echocardiography probe; Described magnetoresistive transducer has 3 and is used for measuring magnetic field of the earth, and it is distributed on X-axis, Y-axis, Z axis respectively, and each magnetoresistive transducer axially detects magnetic field intensity in the direction in which; Then change into analogue signal to carry out amplifying rear feeding MCU process; Described obliquity sensor compensates three-dimensional electronic compass 4, because echocardiography probe is in actual mechanical process, electronic compass azimuth, the angle of pitch constantly change, compensated by obliquity sensor, reduce measurement error on the one hand, azimuth, the size of the angle of pitch, the azimuth namely obtaining ultrasonic beam, angle of pitch size can be obtained in real time on the other hand.
The basic physical principle of described obliquity sensor is: obliquity sensor gathers the component size of acceleration of gravity on sensor sensing axle by sensor chip, by control unit, the pulse signal that chip transmits is processed, calculate inclination angle size, network is outputted to again, on EBI or host display through communication unit.Can know according to physical mechanics principle, when object and datum plane have the angle of an angle, the acceleration of its direction of motion and the ratio of acceleration of gravity and when there is no angle the angle α of its acceleration and acceleration of gravity be different.According to force resolution, acceleration of gravity importantly will act on Ax direction, and Ax=gsin α, so inclined angle alpha=sin-1 (Ax/g) can be obtained.
Described probe is connected with ultrasonic main frame by ultrasonic main frame joint 3, by main frame, corresponding software is installed, intuitively can obtain the azimuth of ultrasonic beam, the angle of pitch Ji the size of Transverse roll angle, and along with the motion direction angle of probe body 1 and the angle of pitch are Ji the variable quantity of Transverse roll angle, space angle information can be judged intuitively, thus more intuitively obtain the space angle information of each organ or tissue.
A kind of echocardiography probe using method with three-dimensional electronic compass of the present utility model is: after being connected with main frame by ultrasonic main frame joint 3, first three-dimensional electronic compass 4 is calibrated, to obtain higher output accuracy, the preferred magnetic calibration of its calibration steps, in magnetic calibration process, three-dimensional electronic compass 4 rotates together with interference source according to certain mode, by the magnetic environment of surrounding, thus distinguish magnetic disturbance and earth's magnetic field, to eliminate interference, obtain high-precision orientation and export; Then probe body 1 is placed in rational position, and rotates or mobile probe body 1, finally observe the angle information of ultrasonic beam and the locus of echocardiographic images judgement tissue or organ.
A kind of echocardiography probe with three-dimensional electronic compass of the present utility model, the spatial attitude angle information of ultrasonic beam can be measured by three-dimensional electronic compass 4, by catching ultrasonic beam space angle positional information, the software of its correspondence is in image fusion technology, can real-time synchronization by the ultrasonoscopy of encoding based on space bit dot address and other multiple image check (as x-ray computer tomoscan, magnetic resonance imaging and angiocardiography video picture etc.,) carry out fusion video picture, make the show image of target organs and tissues more clear and intuitive; Volume is little, lightweight, precision is high, reliability is strong, the feature of fast response time to select magnetoresistive transducer to have; By determining the angle of Probe Ultrasonic Searching bundle, the dimensional orientation angle of ultrasonic accurate measurement organ or tissue is made to become possibility, convenient, flexibly and enrich on real-time image information basis and add more simple and practical function in ultrasonic instrument inspection.One of its application is chosen in advance for the x-ray crevice projection angle in auxiliary angiocardiography inspection art, to reduce radiation dose and the contrast agent consumption of patient's acceptance; The cardiovascular that two of application is Wicresoft provides further spatial positional information to be beneficial to optimize the formulation of operation plan through intubation intervention operation and surgical operation; Three of application is that the three-dimensional space position of each pixel of ultrasonoscopy carries out accurate coding location, thus lay the first stone for the ultrasonoscopy in exploring at present and the image real-time synchronization of other imaging examination such as computed tomography (CT), nuclear magnetic resonance, NMR (MRI) or the registration integration technology in later stage, cater to the inexorable trend that medical treatment treatment apparatus industry merges transboundary, therefore will fully develop talents in its inspection cardiovascular diseases and treatment field.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from this utility model principle; can also make some improvement and supplement, these improve and supplement and also should be considered as protection domain of the present utility model.
Claims (4)
1. the echocardiography probe with three-dimensional electronic compass, comprise probe body, ultrasonic beam outlet, ultrasonic main frame joint, it is characterized in that, described echocardiography probe is provided with three-dimensional electronic compass; Described three-dimensional electronic compass is made up of magnetoresistive transducer, obliquity sensor, MCU; Described three-dimensional electronic compass is arranged in probe body; Described probe body two ends are drawn in centre; Described ultrasonic beam outlet is the rectangle of band fillet; Described ultrasonic main frame joint is the rectangle of band fillet; Described ultrasonic main frame joint and probe body are connected by cable.
2. echocardiography probe according to claim 1, is characterized in that, described magnetoresistive transducer model is HMC58883 tri-axle magnetoresistive transducer.
3. echocardiography probe according to claim 2, is characterized in that, described magnetoresistive transducer has 3, is distributed on X-axis, Y-axis, Z axis.
4. echocardiography probe according to claim 1, is characterized in that, described obliquity sensor is made up of 3 axis MEMS gyro, 3 axis MEMS accelerometer, DSP; Described MCU is by CPU, RAM, ROM, the chip of timer conter together with multiple I/O Interface integration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010095.5U CN204394569U (en) | 2015-01-08 | 2015-01-08 | A kind of echocardiography probe with three-dimensional electronic compass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010095.5U CN204394569U (en) | 2015-01-08 | 2015-01-08 | A kind of echocardiography probe with three-dimensional electronic compass |
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| Publication Number | Publication Date |
|---|---|
| CN204394569U true CN204394569U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520010095.5U Expired - Fee Related CN204394569U (en) | 2015-01-08 | 2015-01-08 | A kind of echocardiography probe with three-dimensional electronic compass |
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| CN (1) | CN204394569U (en) |
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2015
- 2015-01-08 CN CN201520010095.5U patent/CN204394569U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20210108 |