CN105395217A - Probe - Google Patents
Probe Download PDFInfo
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- CN105395217A CN105395217A CN201510762488.6A CN201510762488A CN105395217A CN 105395217 A CN105395217 A CN 105395217A CN 201510762488 A CN201510762488 A CN 201510762488A CN 105395217 A CN105395217 A CN 105395217A
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- probe
- pressure
- pressure transducer
- display lamp
- vibrator
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Abstract
The invention relates to an elastic imaging probe. The probe comprises a starting switch, a vibration exciter, a push rod, a pressure sensor and a pressure indicator. The vibration exciter receives a vibration exciting signal sent by an upper computer, performs mechanical vibration according to the frequency, the phase position and the amplitude of the vibration exciting signal, and drives the pressure sensor fixedly connected with the vibration exciter to perform mechanical vibration, and the pressure sensor transmits the mechanical vibration to the push rod so that the probe can reciprocate; the pressure indicator receives a pressure indication signal coming from the upper computer and detected by the pressure sensor, and a prestress value is displayed and is converted into a control signal; the starting switch receives the control signal and input of a user and controls the vibration exciter to be started. An instantaneous elastic imaging probe and a B-mode probe are combined, then B ultrasonic imaging and elastic imaging can be performed, the starting switch and the pressure indicator are arranged on a shell of the prove and aim at achieving the purpose that elastic imaging operation can be started by pressing the starting switch under the condition that the requirement of the pressure range of the pressure sensor is met.
Description
Technical field
The present invention relates to a kind of elastography, particularly relate to a kind of probe.
Background technology
Liver Transient elastography technology is based on ultrasonic examination, by liver hardness measurement, patients with chronic liver is made to the diagnosis of hepatic fibrosis, and provides classification thus.It is made up of three key components: produce ultrasound wave and as the transducer of ultrasonic receiver; Be positioned at probe transducer sending low-frequency vibration ripple; Can record and the software program of analytical data.During measurement, actual sample time, less than 0.1 second, so just substantially avoid respirometric impact, and the whole review time was less than 10 minutes.Instrument measures the conduction velocity of low-frequency elastic echo in liver organization according to pulse echo, by calculating the elasticity numerical value that can obtain tissue, represents with kPa (kPa).Shearing wave conduction velocity is in the tissue faster, and elasticity numerical value is larger, shows that hepatic tissue quality is harder.
In addition, Transient elastography technology can also be applied in the detection of other tissue, but traditional Transient elastography technology only has a probe, the B ultrasonic that cannot carry out two dimension is guided, the experience of doctor can only be relied on to position, be difficult to locate the position that will test accurately, use and receive great limitation, also can affect the success rate of precision and test simultaneously.
The elastogram system of mating band B ultrasonic pattern guiding of the present invention uses, and both can provide B-mode imaging data, and also can provide elastography data.
Summary of the invention
The shortcoming that the object of the invention is cannot carry out for traditional Transient elastography B ultrasonic guiding is improved, and proposes a kind of probe that the elastogram system of B-mode imaging probe and Transient elastography probe incorporated can be suitable for.
To achieve these goals, one aspect of the present invention provides a kind of probe, and this probe comprises: starting switch, vibrator, push rod, pressure transducer and pressure indicator; Wherein,
Vibrator receives the vibrational excitation signal that host computer sends, mechanical vibration are carried out according to the frequency of vibrational excitation signal, phase place and amplitude, and drive the pressure transducer be fixedly connected with vibrator to carry out mechanical vibration, mechanical vibration are passed to push rod by pressure transducer, and probe is moved reciprocatingly; Pressure indicator receives and detects by pressure transducer the pressure indicating signal obtained from host computer, shows prestressed value, and prestressed value is converted into control signal; The startup of the input control vibrator of starting switch reception control signal and user.
Preferably, pressure transducer is arranged on pressure transducer and is arranged between vibrator and probe, and vibrator driving pressure sensor moves back and forth, and pressure transducer passes motion to probe again, is used for detecting prestressing force.
Preferably, the pressure limit of pressure transducer is between 2N to 8N.
Preferably, pressure indicator comprises the first display lamp, the second display lamp and the 3rd display lamp; First display lamp is bright, and prestressed value is greater than the maximum pressure of pressure transducer setting; Second display lamp is bright, and prestressed value is between the pressure limit of pressure transducer setting; 3rd display lamp is bright, and prestressed value is less than the minimum pressure of pressure transducer setting.
Preferably, the pressure limit of pressure transducer setting is between 2N to 8N.
Preferably, when the second display lamp is bright and user be input as elastic model, press starting switch, start vibrator and receive vibrational excitation signal.
Preferably, probe can be linear array probe or face battle array probe.
Transient elastography probe and B-mode probe unite two into one by the present invention, B ultrasonic imaging and elastogram can be carried out, the housing of probe is provided with starting switch and pressure indicator, and the object arranging switch and pressure indicator under the condition meeting pressure transducer pressure limit, presses starting switch both can start elastogram operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment that the invention provides a kind of probe;
Fig. 2 is the installation drawing of the embodiment that the invention provides a kind of probe.
Detailed description of the invention
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
The probe that embodiments of the invention provide is the elastic imaging probe of a kind of B-mode guiding, both Transient elastography probe and B-mode probe were united two into one, by designing starting switch and pressure indicator on probing shell, when operator press starting switch and pressure indicator instruction prestressing force meet pressure transducer setting pressure limit, just Transient elastography operation can be carried out, do not perform aforesaid operations, directly carry out the operation of B ultrasonic mode imaging.
Fig. 1 is the structural representation of the embodiment that the invention provides a kind of probe and detection method.As shown in Figure 1, this probe comprises: ultrasonic linear-array, starting switch, vibrator, pressure transducer and pressure indicator; Wherein,
Vibrator receives the vibrational excitation signal that host computer sends, mechanical vibration are carried out according to the frequency of vibrational excitation signal, phase place and amplitude, and drive the pressure transducer be fixedly connected with vibrator to carry out mechanical vibration, mechanical vibration are passed to push rod by pressure transducer, and probe is moved reciprocatingly; Pressure indicator receives and detects by pressure transducer the pressure indicating signal obtained from host computer, shows prestressed value, and prestressed value is converted into control signal; The startup of the input control vibrator of starting switch reception control signal and user.Particularly, probe is used for detected part Shi Hanzhang, and receive the ultrasound emission pumping signal of host computer, carry out hyperacoustic transmitting and receiving, and send the ultrasound wave received to described host computer, probe can be face battle array or linear array probe.
Particularly, pressure transducer is arranged between vibrator and probe, and driving pressure sensor moves back and forth, and described Motion Transmission is given described probe by described pressure transducer again, is used for detecting described prestressing force.
Particularly, pressure transducer comprises the first display lamp, the second display lamp and the 3rd display lamp; The pressure limit of pressure transducer setting is between 2N to 8N; When the first display lamp is bright, the prestressed value that pressure transducer is measured is greater than 8N, needs the prestressing force reducing to be applied to detected part; When the second display lamp is bright, the prestressed value that pressure transducer is measured is between 2N to 8N; When the 3rd display lamp is bright, the prestressed value that pressure transducer is measured is less than 2N, needs to increase the prestressing force being applied to detected part; Second display lamp is bright, the most applicablely carries out elastogram measurement or B ultrasonic imaging measurement.
Particularly, whether the enabling signal of starting switch is effective, is subject to the control of prestressing force size, and when prestressing force meets the pressure limit of pressure transducer, starting switch is just effective.
Fig. 2 probe of the present invention comprises upper shell and lower house; Starting switch, probe, elastic thread sheath, shell, cable cover(ing) and pressure indicator is provided with on the surface at upper shell; Starting switch is used to the operation controlling vibrator; Elastic corrugated sheath plays effect that is attractive in appearance and protection probe; Pressure indicator comprises that the first display lamp is bright, the second display lamp is bright and the 3rd display lamp bright (successively away from the direction of probe); When the first display lamp is bright, the prestressed value that probe contacts detected part produces is greater than the maximum pressure of the setting of described pressure transducer, and operator needs the prestressed size reducing the applying of contact measured position, until bright just beginning of the second display lamp detects; When the second display lamp is bright, described prestressed value is between the pressure limit of the setting of described pressure transducer; When the 3rd display lamp is bright, described prestressed value is less than the minimum pressure of the setting of described pressure transducer; When first or the 3rd pressure indicator light bright time, need operation to regulate and be applied to the prestressing force of detected part, until the second pressure indicator light is bright, operator can use probe to carry out detection detected part.The prestressing force of OK range, can increase the comfort level of detected part.
Lower house is provided with push rod, pressure transducer, circuit board, vibrator and cable; Vibrator receives pumping signal, according to the frequency of pumping signal, and phase place, amplitude carries out straight reciprocating motion; The pressure transducer that vibrator Direct driver is connected with it; Pressure transducer passes motion to push rod promotion probe and moves reciprocatingly; Comprise in transmission cable: ultrasonic signal pumping signal and Received signal strength, and the pressure signal of pressure transducer, promoter probe signal, pressure indicating signal and vibrator pumping signal.
There are permanent magnet and coil in vibrator inside, can receive the electric impulse signal of characteristic frequency and amplitude, produces the vibration of respective frequencies and amplitude, and in this probe, vibration can pass to ultrasonic probe through push rod.Vibrator receives pumping signal, and according to the frequency of pumping signal, phase place, amplitude carries out straight reciprocating motion, the pressure transducer that Direct driver is connected with it, and pressure transducer passes motion to push rod promotion probe and moves reciprocatingly.Pressure transducer in probe can measure prestressed size, and controls the enabling signal of elastogram with this.This probe can realize the seamless switching of elastogram and B-mode imaging.
Transient elastography probe and B-mode probe unite two into one by the present invention, B ultrasonic imaging and elastogram can be carried out, the housing of probe is provided with starting switch and pressure indicator, and the object arranging switch and pressure indicator under the condition meeting pressure transducer pressure limit, presses starting switch both can start elastogram operation.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a probe, is characterized in that, comprising: starting switch, vibrator, push rod, pressure transducer and pressure indicator;
Described vibrator receives the vibrational excitation signal that host computer sends, mechanical vibration are carried out according to the frequency of described vibrational excitation signal, phase place and amplitude, and drive the described pressure transducer be fixedly connected with described vibrator to carry out described mechanical vibration, mechanical vibration are passed to push rod by pressure transducer, and probe is moved reciprocatingly;
Described pressure indicator receives and detects by pressure transducer the pressure indicating signal obtained from described host computer, shows prestressed value, and described prestressed value is converted into control signal;
The startup of vibrator described in the input control that described starting switch receives described control signal and user.
2. probe according to claim 1, it is characterized in that, described pressure transducer is arranged on described pressure transducer and is arranged between described vibrator and described probe, described vibrator drives described pressure transducer to move back and forth, described Motion Transmission is given described probe by described pressure transducer again, is used for detecting described prestressing force.
3. probe according to claim 1, is characterized in that, described pressure indicator comprises the first display lamp, the second display lamp and the 3rd display lamp;
First display lamp is bright, and described prestressed value is greater than the maximum pressure of described pressure transducer setting;
Second display lamp is bright, and described prestressed value is between the pressure limit of described pressure sensing setting;
3rd display lamp is bright, and described prestressed value is less than the minimum pressure of described pressure transducer setting.
4. probe according to claim 1, is characterized in that, the pressure limit of described pressure transducer setting is between 2N to 8N.
5. device according to claim 1, is characterized in that, when described second display lamp is bright and described user be input as described elastic model, press described starting switch, start described vibrator and receive described vibrational excitation signal.
6. device according to claim 1, is characterized in that, described probe can be linear array probe or face battle array probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762488.6A CN105395217A (en) | 2015-11-10 | 2015-11-10 | Probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762488.6A CN105395217A (en) | 2015-11-10 | 2015-11-10 | Probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105395217A true CN105395217A (en) | 2016-03-16 |
Family
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| CN201510762488.6A Pending CN105395217A (en) | 2015-11-10 | 2015-11-10 | Probe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108852271A (en) * | 2018-08-02 | 2018-11-23 | 康涛 | A kind of cervical lesions explorer and its method for surveying |
| WO2020094099A1 (en) * | 2018-11-09 | 2020-05-14 | 无锡海斯凯尔医学技术有限公司 | Housing, probe, and detection device |
| CN113040813A (en) * | 2018-11-29 | 2021-06-29 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic imaging method and ultrasonic imaging related equipment |
| US11980497B2 (en) | 2017-03-27 | 2024-05-14 | Echosens | Device and method for measuring the viscoelastic properties of a viscoelastic medium |
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| US6267728B1 (en) * | 1999-06-23 | 2001-07-31 | Steven Mark Hayden | Method for evaluating atherosclerosis and its affect on the elasticity of arterial walls |
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| CN102283679A (en) * | 2011-08-04 | 2011-12-21 | 中国科学院深圳先进技术研究院 | Ultrasonic imaging system for elasticity measurement and method for measuring elasticity of biological tissue |
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| US5107837A (en) * | 1989-11-17 | 1992-04-28 | Board Of Regents, University Of Texas | Method and apparatus for measurement and imaging of tissue compressibility or compliance |
| US5099848A (en) * | 1990-11-02 | 1992-03-31 | University Of Rochester | Method and apparatus for breast imaging and tumor detection using modal vibration analysis |
| US6267728B1 (en) * | 1999-06-23 | 2001-07-31 | Steven Mark Hayden | Method for evaluating atherosclerosis and its affect on the elasticity of arterial walls |
| CN1674827A (en) * | 2002-08-08 | 2005-09-28 | 回波检测公司 | Device and method for measuring the elasticity of a human or animal organ |
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| CN101933819A (en) * | 2009-07-02 | 2011-01-05 | 深圳市一体医疗科技有限公司 | Composite probe for cirrhosis detector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US11980497B2 (en) | 2017-03-27 | 2024-05-14 | Echosens | Device and method for measuring the viscoelastic properties of a viscoelastic medium |
| CN108852271A (en) * | 2018-08-02 | 2018-11-23 | 康涛 | A kind of cervical lesions explorer and its method for surveying |
| WO2020094099A1 (en) * | 2018-11-09 | 2020-05-14 | 无锡海斯凯尔医学技术有限公司 | Housing, probe, and detection device |
| CN113040813A (en) * | 2018-11-29 | 2021-06-29 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic imaging method and ultrasonic imaging related equipment |
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Application publication date: 20160316 |
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