CN100566663C - A kind of probe frame for brain bloodstream detection - Google Patents
A kind of probe frame for brain bloodstream detection Download PDFInfo
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- CN100566663C CN100566663C CNB2007100746905A CN200710074690A CN100566663C CN 100566663 C CN100566663 C CN 100566663C CN B2007100746905 A CNB2007100746905 A CN B2007100746905A CN 200710074690 A CN200710074690 A CN 200710074690A CN 100566663 C CN100566663 C CN 100566663C
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- 239000000523 sample Substances 0.000 title claims abstract description 126
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 210000004556 brain Anatomy 0.000 title claims abstract description 23
- 230000017531 blood circulation Effects 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000013016 damping Methods 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 16
- 230000008859 change Effects 0.000 abstract description 10
- 210000004204 blood vessel Anatomy 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 4
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- 238000006073 displacement reaction Methods 0.000 description 4
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- 238000012360 testing method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 206010059245 Angiopathy Diseases 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000003727 cerebral blood flow Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007917 intracranial administration Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005206 flow analysis Methods 0.000 description 1
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- 238000012163 sequencing technique Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/42—Details of probe positioning or probe attachment to the patient
- A61B8/4209—Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/42—Details of probe positioning or probe attachment to the patient
- A61B8/4209—Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames
- A61B8/4227—Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames characterised by straps, belts, cuffs or braces
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/026—Measuring blood flow
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Abstract
The invention discloses a kind of probe frame for brain bloodstream detection and include a probe, and, a single-chip microcomputer of this probe connected; Wherein, described probe front end is arranged on the elastic damping parts, and is provided with two motors that are used for angle adjustment in the rear end, connects the rear end of described probe by a drive mechanism; The other end of described drive mechanism is connected on the described motor; Described single-chip microcomputer is used to control the angle that described motor is adjusted described probe, reaches the detection requirement until blood flow signal.Probe frame for brain bloodstream detection of the present invention has solved the shortcoming that traditional probe holder relies on the manual adjustments probe fully and can not automatically give blood vessel for change well, reduce the difficulty of clinical manipulation, and can unrestrictedly implement various clinical practices such as long-time detection, long-range monitoring, night guardian.
Description
Technical field
The present invention relates to a kind of cerebral blood flow checkout gear, in particular a kind of probe frame for brain bloodstream detection.
Background technology
In the present armarium, for the diagnosis of noinvasive ground and/or monitoring human body intracranial vessel and cervical vertebra angiopathy, usually adopt TCD (i.e. " transcranial doppler blood flow analysis instrument " also claims " transcranial doppler cerebral blood flow diagnostic system ", " transcranial doppler detector ", " transcranial Doppler diagnosis and monitor system " etc.) to detect cerebrovascular signal (as blood flow signal).
TCD is the special-purpose armarium of the diagnosis of noinvasive ground and/or monitoring human body intracranial vessel and cervical vertebra angiopathy, in the clinical practice of TCD, regulating probe makes it launch ultrasound wave to affact the position of patient head and angle to be in optimum state be the key of successfully finishing diagnosis and monitoring function, also be to operate the most difficult place in the whole process of clinical application.
When TCD just emerged, its conventional sense and monitoring operation were all by medical personnel's hand hold transducer with carry out the manual adjustments probe positions and finish.This makes the operator be difficult to keep for a long time the stability of probe positions and detection angle thereof, because detection angle is very big to effect of signals, causes the blood flow signal instability of gathering gained easily.
For make conventional sense or when monitoring the operator to gather the blood flow signal of gained more stable, and save operator's muscle power and energy, companies such as Shenzhen De Likai Electronics Co., Ltd. have developed and have worn the overhead probe holder device that is used for fixing probe.As shown in Figure 4, headstock sketch map for prior art, headstock 10a can be fitted on detected person's the head, this headstock 10a is provided with the support arm 11a of a static probe, usually can be affixed to headstock 10a by bolt and go up (not shown probe only shows probe mounting hole 12a).This device has the patient's who is applicable to different brain shapes and size characteristics; This device can maintain static probe after searching out target blood by manual operation, and hand hold transducer is trembled easily when having eliminated long-time operation (especially long-range monitoring), any one tiny action such as speech influences, the defective of jitter tired and that therefore bring easily.
But the major defect of present this device is that the process of seeking the target blood position still all is manually operated, and after the vibration that causes because of a variety of causes in the monitoring process behind static probe made probe-shift, blood flow signal can die down even disappear.Therefore there is significant disadvantages in the probe control method of the probe holder on the present preceding market, is mainly reflected in:
The one, probe is regulated and is all realized by manual operations.This process is more loaded down with trivial details, and is also higher to operator's oneself requirement.
The 2nd, long-time detect and the monitoring process in, behind static probe, after the vibration that causes because of a variety of causes (for example cough, sneeze) made probe-shift, blood flow signal can die down even disappear.At this moment, the operator can only regulate probe to give blood vessel again for change by manual operation.Like this, in actual applications, operation had both seemed loaded down with trivial details, and the degree of participation to the operator has still proposed certain requirement again, and its practical application (as night guardian, long-range monitoring etc.) is restricted.
Therefore, also there is certain defective in prior art, and awaits improving and development.
Summary of the invention
The object of the present invention is to provide a kind of probe frame for brain bloodstream detection, according to Automatic Control Theory, system follows the tracks of the blood flow signal that detects gained with monitoring probe in real time in the practical clinical process, when the downgrade of blood flow signal or dropout, system just constantly regulates probe positions and angle by probe drive module, up to obtaining blood flow signal satisfactorily again.
Technical scheme of the present invention is as follows:
A kind of probe frame for brain bloodstream detection includes a probe, and, connect a single-chip microcomputer of this probe; Wherein, described probe front end is arranged on the elastic damping parts, and is provided with two motors that are used for angle adjustment in the rear end, connects the rear end of described probe by a drive mechanism; The described drive mechanism other end is connected on the described motor; Described single-chip microcomputer is used to control the angle that described motor is adjusted described probe, reaches the detection requirement until blood flow signal.
Described probe holder, wherein, described drive mechanism is a connecting rod, it connects described motor side and is set to a steering blade.
Described probe holder, wherein, the motor that described probe and being used to is adjusted angle is set to an angle adjustment module, and described probe holder is provided with at least one azimuth-drive motor, is used for driving described angle adjustment module and adjusts the position in the space of distance measured surface.
Described probe holder, wherein, described azimuth-drive motor is set to three.
Described probe holder wherein, is set to respectively between described connecting rod and the described probe rear end and between described connecting rod and the described steering blade flexibly connect.
Described probe holder, wherein, described single-chip microcomputer adopts time-sharing format to the control of each motor, adjusts each motor successively.
Described probe holder, wherein, described single-chip microcomputer adopts simultaneous system to the control of each motor, to control device of each motor configuration, adjusts each motor simultaneously.
A kind of probe frame for brain bloodstream detection provided by the present invention, owing to be provided on the TCD equipment of existing probe (frame), its probe of seeking blood vessel is regulated operation and can be finished automatically by system, and system can and give blood vessel for change from motion tracking, thereby solved the shortcoming that traditional probe holder relies on the manual adjustments probe fully and can not automatically give blood vessel for change well, reduce the difficulty of clinical manipulation, and can unrestrictedly implement various clinical practices such as long-time detection, long-range monitoring, night guardian.
Description of drawings
Fig. 1 a, Fig. 1 b and Fig. 1 c are respectively the fundamental diagram of the single drive motors of probe frame for brain bloodstream detection of the present invention;
Fig. 2 is the drive motors fundamental diagram that probe frame for brain bloodstream detection of the present invention is adjusted angle and direction;
Fig. 3 is the drive motors fundamental diagram that probe frame for brain bloodstream detection of the present invention is adjusted the locus;
Fig. 4 is the TCD headstock structural representation of prior art.
The specific embodiment
Below preferred embodiment of the present invention is described in detail.
Probe frame for brain bloodstream detection of the present invention, its basic fundamental effect are to realize the adjustment process of control probe automatically, and control is meant under the situation that nobody participates in directly automatically, by controller controlled device or process is automatically carried out according to pre-provisioning request.In the bright technical scheme of we, controller need be set, for example single-chip microcomputer 100, are used for controlling the device of being made up of bi-motor that is used to control probe positions, and controlled device is the probe 110 on the probe frame for brain bloodstream detection, shown in Fig. 1 a, Fig. 1 b and Fig. 1 c.
But what must illustrate is, because when the TCD of prior art realizes, need to be equipped with process control system, to realize that therefore, the realization of single-chip microcomputer 100 of the present invention can have multiple mode to the processing and the detection of probe induced signal, for example a single chip circuit can be set on the headstock, send the differentiation result by the TCD host circuit, and, also the control function of single-chip microcomputer can be realized in the TCD host circuit by the adjustment of this single chip circuit realization to probe positions and angle.The TCD host computer system of prior art can be set to an embedded system, a PC system, perhaps other computer system.
Because motor of the present invention is accepted the control of single-chip microcomputer 100, can be forwards, backwards or left and right directions wave, thereby adjust the angle of probe 110, shown in Fig. 1 a, Fig. 1 b and Fig. 1 c, for adjusting the angle of described probe 110, the bottom that a connecting rod 111, one ends are arranged on described probe 110 is set, described probe 110 tops are arranged on the elastic damping parts 120, as shown in Figure 2; The other end of described connecting rod 111 is connected on the steering blade 131 of described motor 130, and eccentric the setting, when its steering blade with described motor 130 rotates, can spur the angle of described probe 110 on described elastic damping parts 120 and change.Described motor 130 is subjected to described single-chip microcomputer 100 controls, thereby can arbitrarily adjust the angle of described probe 110 within the specific limits, and whether the intensity of detection blood flow signal this moment meets the demands.
Steering blade 131 on described connecting rod 111 and the motor 130 has constituted a drive mechanism, for a person skilled in the art, obviously can adopt other drive mechanism to replace, for example gear drive and belt transmission or the like need only angle and the position that can realize adjusting described probe.
The automatic adjusting probe technologies of probe frame for brain bloodstream detection of the present invention, mainly utilize two orthogonal driven by motor to pop one's head in and realize regulating the position of probe and the purpose of angle, thereby realize its angular adjustment module, to this angular adjustment module, do as a whole, can utilize three motors on three directions in space, to move in addition, hereinafter will describe the realization of this technical scheme in detail.
The present invention's 110 front ends of will popping one's head in are installed on the elastic damping parts 120, and as shown in Figure 2, the rear end of probe 110 is connected on the steering blade 131 of motor by connecting rod 111 structures.When servomotor is subjected to the control of single-chip microcomputer 100 to drive the blade rotation, connecting rod 111 can further the rear end of probe 110 or push away far away with respect to the fixed position of motor, and the probe front end is subjected to the effect of damping, will inevitably produce a moment during rear end that connecting rod 111 promotes probe 110, making probe 110 integral body is center of rotation with the zonule that contacts with elastic damping parts 120, produces the inclination of certain angle.And 110 the center of popping one's head in also can produce displacement with respect to measured surface this moment, and the angle of inclination of probe 110 is big more, and the center displacement is also big more, thereby plays the effects equivalent of mobile probe position.According to simple geometric and mechanical analysis, probe 110 maximum deflection angle depends on connecting rod and the blade link distance H (promptly can further or push away the critical distance of probe far away rear end) to motor center, adjust H-number by calculating, can obtain suitable, required probe deflection angle.
Shown in Fig. 1 a, Fig. 1 b and Fig. 1 c, single cover motor and connecting rod can be realized the angles shifts of probe in a dimension (i.e. swaying direction, front and back or about).Increase by a cover revolution center and a perpendicular servomotor and the connecting rod of the original motor centre of gyration, can realize the adjusting of another dimension again, as shown in Figure 2, when motor is arranged by the diagram vertical direction, can make probe along X and Y direction deflection, promptly near two axis directions (i.e. " ten " font) of realization probe its initial position are done elevating movement.Thus, by rotating two motors simultaneously, can obtain the Overlay of two yawing moments, promptly obtain yawing moment arbitrarily and the displacement effect of certain limit on this direction, for the concrete effect of this displacement and angular deflection, computing and control that need single-chip microcomputer.
The present invention is when being provided with the motor of two angle adjustment, during any driven by motor link motion, the another one connecting rod all has the trend that hinders this motion, so being connected and flexibly connecting between connecting rod and the probe, to eliminate this influence and to reduce resistance.Equally, between described connecting rod and described steering blade, also should be set to flexibly connect.
Equally, in the probe frame for brain bloodstream detection of the present invention, can continue to increase motor and the connecting rod of the centre of gyration, to realize the more adjusting of multi-dimensional direction in other directions.Theoretical minimum needs 5 motors, the i.e. luffing angles (as indicated above) of 2 Electric Machine Control probe wherein, structure shown in Figure 2 being done as a whole then is angle adjustment module 140, as shown in Figure 3, the integral body that other 3 these angle adjustment modules of Electric Machine Control are set is moved on three axis directions, be similar to three adjustings of mechanical processing machine etc., do not elaborate at this.Probe frame for brain bloodstream detection of the present invention need be provided with Single-chip Controlling, realizes the comprehensive adjusting of this probe 110, that is: with respect to the distance of tested surface; Position with respect to test point on the tested surface; Test angle.Probe frame for brain bloodstream detection of the present invention is easy to realize that different is that the shared volume of governor motion will increase for the structural design personnel, it is complicated that control circuit and software become.Probe holder provided by the invention as the most conventional and the most practical framework, it is noted that 2 motors that the setting of described azimuth-drive motor might not be set to three simultaneously, under possible situation, 1 or 2 azimuth-drive motors can be set, and is used for adjusting the position.
See shown in Figure 3 to the adjustment structure of described angle adjustment module in the probe frame for brain bloodstream detection of the present invention, it comprises three azimuth- drive motors 1,2,3, azimuth-drive motor 1 is used for adjusting the distance between described angle adjustment module and the described measured surface 210, described azimuth-drive motor 2 is used for adjusting the angle adjustment module at upper-lower position shown in Figure 3, and described azimuth-drive motor 3 is used for adjusting the shift position of described angle adjustment module at vertical paper shown in Figure 3.Can pass through the transmission of gear snap fit between described each azimuth-drive motor and the described angle adjustment module.
Probe frame for brain bloodstream detection of the present invention is when the headstock the is equipped with a plurality of servomotor that is used for regulating, and each motor need set in advance in single chip machine controlling circuit.Single chip machine controlling circuit of the present invention need be realized the sequencing contro of motor, and motor is many more, and its control is complicated more.
Probe holder provided by the present invention, according to Automatic Control Theory and method, system can follow the tracks of the blood flow signal that detects gained with monitoring probe in real time in the practical clinical process.When the downgrade of blood flow signal or dropout, system just constantly regulates probe positions and angle by probe drive module, up to obtaining blood flow signal satisfactorily again.Like this, be equipped with the TCD of the probe (frame) of technology provided by the present invention, seeking the probe adjusting operation of blood vessel can be finished automatically by system, and system can and give blood vessel for change from motion tracking, thereby solved the shortcoming that traditional probe holder relies on the manual adjustments probe fully and can not automatically give blood vessel for change well, reduce the difficulty of clinical manipulation, and can unrestrictedly implement various clinical practices such as long-time detection, long-range monitoring, night guardian.
System of the present invention singlechip controller at first given one with reference to blood flow signal intensity level I
rSystem is with the blood flow signal intensity level I of ' detection blood flow signal ' module feedback then
fWith I
r, obtain difference I
d(=I
f-I
r).After this, ' calculating probe positions angle ' module is according to I
dThe rotation situation of numerical value decision motor: work as I
dWhen being not less than zero, motor is kept original position and is not made any rotating operation (being that the motor position and the direction change information that need rotate are constant); Work as I
dLess than zero the time, ' calculating the probe positions angle ' module is with I
dNumerical value converts position and the direction change information that motor need rotate to, and the result is sent to as controller (device of being made up of bi-motor that is used to control probe positions).At last, position and direction change information according to the motor needs rotation that receives, controller turns to specified target location with motor, thereby will be adjusted to assigned address with the probe that motor connects together, and has finally reached the purpose of regulating probe positions and angle.
Since because of human body different, when TCD detects desirable sampled point sometimes very difficulty capture, in the testing process action of detection person or measured speech, cough, swing or the like physiology down signal run from the time, take much time again and repeat to catch.After adopting probe frame for brain bloodstream detection of the present invention, because be kind of a fixed checkout gear, its signal is more stable; And when signal run from the time, this probe holder can be regulated again within the specific limits voluntarily, has greatly reduced testing staff's workload and work difficulty.Especially for long-range monitoring at night, having exempted from but medical personnel needs the defective of concern constantly.Below be contrast according to figure b manufactured samples and some indexs of the common headstock after 10 cases are carried out clinical use:
| The contrast project | The common headstock | Automatic headstock sample |
| The continuous monitoring time (minute) | 5:29 | 5:43 |
| Signal interruption causes manual accent | 18 | 2 |
| Whole number of times | ||
| Headache |
3 | 0 |
What need explain is that in the probe frame for brain bloodstream detection of the present invention, the structure of the foregoing description is not to structural limitations of the present invention, for example, described connecting rod can be d-axis or bent axle, also can be other shapes, promptly can realize with the equivalent substitution structure of shell fragment etc.; Described probe mounting and regulate and can increase more motor and connecting rod as required can be contained in a plane or not in the coplanar, can be identical with the adjusting that has had for the dimension of regulating; Arranging of motor can be that gyroaxis is not vertical mutually, becomes any angle; The electrical machine element of control action can be different types of motor, also can adopt Hydraulic Elements to wait and realize; Single-chip microcomputer has been adopted in control to described motor, also can adopt other any can control and/or the device of drive motors motion makes motor movement; Control device can adopt timesharing and while dual mode to the control of a plurality of motors: when adopting time-sharing format, only use a control device, successively a plurality of motors are implemented control; When adopting simultaneous system, be equipped with a control device for each motor, a plurality of motors can be realized independent control, simultaneously motion.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (7)
1, a kind of probe frame for brain bloodstream detection includes a probe, and, connect a single-chip microcomputer of this probe; It is characterized in that described probe front end is arranged on the elastic damping parts, and be provided with two motors that are used for angle adjustment, connect the rear end of described probe by a drive mechanism in the rear end; The described drive mechanism other end is connected on the described motor; Described single-chip microcomputer is used to control the angle that described motor is adjusted described probe, reaches the detection requirement until blood flow signal.
2, probe holder according to claim 1 is characterized in that, described drive mechanism is a connecting rod, and it connects described motor side and is set to a steering blade.
3, probe holder according to claim 2, it is characterized in that, the motor that described probe and being used to is adjusted angle is set to an angle adjustment module, and described probe holder is provided with at least one azimuth-drive motor, is used for driving described angle adjustment module and adjusts the position in the space of distance measured surface.
4, probe holder according to claim 3 is characterized in that, described azimuth-drive motor is set to three.
5, probe holder according to claim 2 is characterized in that, is set to respectively between described connecting rod and the described probe rear end and between described connecting rod and the described steering blade flexibly connect.
According to the arbitrary described probe holder of claim 1 to 5, it is characterized in that 6, described single-chip microcomputer adopts time-sharing format to the control of each motor, adjusts each motor successively.
According to the arbitrary described probe holder of claim 1 to 5, it is characterized in that 7, described single-chip microcomputer adopts simultaneous system to the control of each motor,, adjust each motor simultaneously control device of each motor configuration.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100746905A CN100566663C (en) | 2007-06-01 | 2007-06-01 | A kind of probe frame for brain bloodstream detection |
| PCT/CN2008/070839 WO2008148318A1 (en) | 2007-06-01 | 2008-04-29 | Auto-adjusting apparatus for measuring cerebral blood flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100746905A CN100566663C (en) | 2007-06-01 | 2007-06-01 | A kind of probe frame for brain bloodstream detection |
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| Publication Number | Publication Date |
|---|---|
| CN101313854A CN101313854A (en) | 2008-12-03 |
| CN100566663C true CN100566663C (en) | 2009-12-09 |
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| CNB2007100746905A Active CN100566663C (en) | 2007-06-01 | 2007-06-01 | A kind of probe frame for brain bloodstream detection |
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| CN (1) | CN100566663C (en) |
| WO (1) | WO2008148318A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103431877B (en) * | 2013-09-04 | 2015-04-15 | 中国科学院深圳先进技术研究院 | Cerebral blood flow detection probe bracket |
| EP3369381A1 (en) * | 2017-03-01 | 2018-09-05 | Koninklijke Philips N.V. | Ultrasound probe arrangement |
| CN108132305A (en) * | 2017-12-21 | 2018-06-08 | 飞依诺科技(苏州)有限公司 | A kind of method and apparatus of transducer array element performance test |
| CN209004039U (en) * | 2018-05-07 | 2019-06-21 | 深圳市德力凯医疗设备股份有限公司 | A kind of transcranial Doppler system based on ring battle array probe |
| CN208808519U (en) * | 2018-05-07 | 2019-05-03 | 深圳市德力凯医疗设备股份有限公司 | It is a kind of through cranium three-dimensional Cerebral vascular image system |
| CN108814649B (en) * | 2018-07-05 | 2024-04-05 | 河南省计量测试科学研究院 | Doppler ultrasonic diagnostic apparatus blood flow waveform die body and calibration method |
| CN111248863B (en) * | 2020-01-19 | 2023-01-31 | 国家康复辅具研究中心 | Pressurizing device for inducing human skin hyperemia response |
| CN112057105B (en) * | 2020-09-11 | 2021-10-26 | 中国科学院长春光学精密机械与物理研究所 | Ultrasonic probe pressure adjusting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5402789A (en) * | 1992-11-23 | 1995-04-04 | Capistrano Labs, Inc. | Ultrasonic peripheral vascular probe assembly |
| CN1086122C (en) * | 1995-04-10 | 2002-06-12 | 深圳安科高技术股份有限公司 | Method and instrument of testing rheoencephalogram by Doppler ultrasonic tech. |
| AU6262698A (en) * | 1997-02-04 | 1998-08-25 | National Aeronautics And Space Administration - Nasa | Multimodality instrument for tissue characterization |
| US6635017B1 (en) * | 2000-02-09 | 2003-10-21 | Spentech, Inc. | Method and apparatus combining diagnostic ultrasound with therapeutic ultrasound to enhance thrombolysis |
| US6663571B1 (en) * | 2002-05-28 | 2003-12-16 | Philip Chidi Njemanze | Transcranial doppler ultrasound device for odor evaluation |
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2007
- 2007-06-01 CN CNB2007100746905A patent/CN100566663C/en active Active
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2008
- 2008-04-29 WO PCT/CN2008/070839 patent/WO2008148318A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2008148318A1 (en) | 2008-12-11 |
| CN101313854A (en) | 2008-12-03 |
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