CN202223256U - Monitoring device for working state of ultrasonic transducer - Google Patents
Monitoring device for working state of ultrasonic transducer Download PDFInfo
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- CN202223256U CN202223256U CN2011203802203U CN201120380220U CN202223256U CN 202223256 U CN202223256 U CN 202223256U CN 2011203802203 U CN2011203802203 U CN 2011203802203U CN 201120380220 U CN201120380220 U CN 201120380220U CN 202223256 U CN202223256 U CN 202223256U
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- 238000012806 monitoring device Methods 0.000 title abstract 2
- 238000012545 processing Methods 0.000 claims abstract description 23
- 230000000052 comparative effect Effects 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000003595 spectral effect Effects 0.000 claims description 4
- 238000009210 therapy by ultrasound Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 10
- 230000001225 therapeutic effect Effects 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 210000001519 tissue Anatomy 0.000 description 5
- 238000002604 ultrasonography Methods 0.000 description 5
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- 230000006378 damage Effects 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
- 230000006907 apoptotic process Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007443 liposuction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000001613 neoplastic effect Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 210000004332 phalangeal cell Anatomy 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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Abstract
The utility model provides a monitoring device for the working state of an ultrasonic transducer, which belongs to the field of medical ultrasonic treatment and comprises an acquisition module, a processing module and a control module, wherein the acquisition module is used for acquiring the current working state of the ultrasonic transducer, the processing module is used for comparing the current working state of the ultrasonic transducer with a set working state, and the control module is used for controlling working parameters of the ultrasonic transducer according to comparison results so that the ultrasonic transducer is kept in the set working state. By the aid of the technical scheme, the use safety of the ultrasonic transducer can be enhanced, and the quality of ultrasonic treatment can be improved.
Description
Technical field
This utility model relates to medical supersonic treatment field, is meant a kind of supervising device of duty of ultrasonic transducer especially.
Background technology
As everyone knows, ultrasound wave and tissue interact and can produce some biological tissues effect.According to hyperacoustic local sound intensity height and sound wave radiation pattern, these biological tissue's effects can be divided into heat effect and non-thermomechanical effect.Organize the heat effect phalangeal cell to cause it to be warming up to the heat necrosis to the absorption of ultrasonic energy.Organize non-thermomechanical effect to refer to because phenomenons such as the cellular activity that acoustic cavitation, acoustic streaming and local small amplitude motion cause increases and then cellular morphology is produced changes, break, apoptosis.The physical factor that influences the ultrasound biological organizational effect comprises sound field focusing form, frequency of sound wave, acoustic pressure amplitude, continuous or factors such as pulse sound radiation pattern (pulse recurrence frequency and dutycycle), standing-wave condition, the static pressure of medium, temperature, viscid state and boundary condition.
In recent years, hyperacoustic biological tissue effect receives broad research and application day by day in the ultrasonic field of treatment.The application that high intensity ultrasound treatment melts at neoplastic fevers, external knock wave is pulverized aspects such as urinary stone, drug conveying, block nerves conduction all has new progress.
In fat-reducing and cosmetic applications field, ultrasound wave also manifests its special advantages, for example adopts the auxiliary Wicresoft of external low frequency ultrasound wave liposuction procedures can strengthen local fat and destroys efficient.The method and apparatus that adopts external emission high-intensity focusing ultrasonic wave to destroy regional adipose tissue is separately experiencing clinical verification, and manifests its curative effect, and its safety also obtains preliminary identification.The often selected earlier area for treatment that needs of this type of treatment; Adopt external supersonic wave transducer emission ultrasound wave to focus in the subcutaneous layer of fat then; At current focal spot region destruction of adipose tissue, and pointwise is moved transducer and is changed the focal position and cover required area for treatment based on hyperacoustic tissue heat effect or mechanical effect principle.Under suitable area for treatment and dosage condition, the fatty tissue of ultrasonic disruption is decomposed from the circulation of body metabolism via human body.
In ultrasonic therapeutic; Because the discreteness of ultrasonic transducer piezoelectric self character; And the operation parameter and the working environment in when treatment often are not quite similar; Make the output energy of ultrasonic transducer with changing service time, and ultrasonic output energy can influence the concordance and the effectiveness of therapeutic quality.More dangerous is, if ultrasonic transducer or its drive circuit break down, considers from the angle of safety, presses for when energy exceeds secure border, to stop treatment at once, avoids further injury.Therefore, the duty of ultrasonic transducer is monitored the important clinical safety issue that becomes a urgent need solution.
The utility model content
The technical problem that this utility model will solve provides a kind of supervising device of duty of ultrasonic transducer; Can monitor in real time the duty of ultrasonic transducer; And the running parameter of suitable feedback adjustment ultrasonic transducer; Thereby increase the safety that ultrasonic transducer uses, and promote the ultrasonic therapeutic quality.
For solving the problems of the technologies described above, the embodiment of this utility model provides technical scheme following:
On the one hand, a kind of supervising device of duty of ultrasonic transducer is provided, comprises:
Acquisition module is used to obtain the current working state of ultrasonic transducer;
Processing module is used for the current working state and the preset working state of more said ultrasonic transducer;
Control module is used for controlling according to comparative result the running parameter of said ultrasonic transducer, so that said ultrasonic transducer is in the preset working state.
Further, said acquisition module comprises:
First obtains submodule; Be used for utilizing sample-hold circuit to carry out envelope detected to the input signal of said ultrasonic transducer; Obtain the voltage signal of said ultrasonic transducer and the range value of current signal respectively; Measure the voltage signal of said ultrasonic transducer and the phase contrast of current signal, according to the actual electric power value of the range value and the said ultrasonic transducer of the two phase difference calculating of said voltage signal, current signal;
Said processing module comprises:
First processing sub is used for said actual electric power value is compared with preset electrical power value, preset maximum electromotive power output value;
Said control module comprises:
The first control submodule is used for when said actual electric power value is in preset permission excursion, adjusting the input signal amplitude or the gain of the power amplifier of said ultrasonic transducer, so that said actual electric power value reaches preset electrical power value; Or
When said actual electric power value exceeds preset permission excursion, the alarm user; Or
When said actual electric power value exceeds preset maximum electromotive power output value, cut off the electrical power output and the alarm user of said ultrasonic transducer.
Further, said acquisition module comprises:
Second obtains submodule, is used to adopt radiofrequency signal bidirectional power bonder that the forward and the reverse radio-frequency signal of said ultrasonic transducer are measured, and obtains its forward and reverse voltage signal, calculates the voltage reflection standing-wave ratio of said ultrasonic transducer;
Said processing module comprises:
Second processing sub is used for said voltage reflection standing-wave ratio is compared with predetermined threshold value, preset max-thresholds;
Said control module comprises:
The second control submodule is used for when said voltage reflection standing-wave ratio is between predetermined threshold value and the preset max-thresholds, and the power amplifier output of adjusting said ultrasonic transducer is so that the voltage reflection standing-wave ratio of said ultrasonic transducer reaches predetermined threshold value; Or
When said voltage reflection standing-wave ratio is higher than preset max-thresholds, cut off the power amplifier output and the alarm user of said ultrasonic transducer.
Further, said acquisition module comprises:
The 3rd obtains submodule, is used for detecting its fundamental frequency from the radiofrequency signal spectral domain of said ultrasonic transducer, and measures the voltage signal of ultrasonic transducer under the said fundamental frequency and the phase difference value of current signal;
Said processing module comprises:
The 3rd processing sub is used for said phase difference value is compared with preset phase difference value;
Said control module comprises:
The 3rd control submodule is used for when said phase difference value exceeds the preset difference value scope, adjusts the output radio frequency signal frequency of the power amplifier of said ultrasonic transducer, and said phase difference value is in the preset difference value scope.
The embodiment of this utility model has following beneficial effect:
In the such scheme; The supervising device of the duty of ultrasonic transducer at first obtains the current working state of ultrasonic transducer; The current working state and the preset working state that compare ultrasonic transducer; And according to the running parameter of comparative result control ultrasonic transducer, so that ultrasonic transducer is in the preset working state.This utility model embodiment can monitor the working condition of ultrasonic transducer in real time, and suitable feedback adjustment running parameter, increases the safety that ultrasonic transducer uses, and the quality that promotes ultrasonic therapeutic.
Description of drawings
Fig. 1 is the structured flowchart of supervising device of duty of the ultrasonic transducer of this utility model embodiment.
The specific embodiment
Technical problem, technical scheme and the advantage that will solve for the embodiment that makes this utility model are clearer, will combine accompanying drawing and specific embodiment to be described in detail below.
The technical problem that this utility model will solve provides a kind of supervising device of duty of ultrasonic transducer; Can monitor in real time the duty of ultrasonic transducer; And the running parameter of suitable feedback adjustment ultrasonic transducer; Thereby increase the safety that ultrasonic transducer uses, and promote the ultrasonic therapeutic quality.
Fig. 1 is the structured flowchart of supervising device of duty of the ultrasonic transducer of this utility model embodiment, and as shown in Figure 1, present embodiment comprises:
Further, the current working state of ultrasonic transducer can comprise the actual electric power value of ultrasonic transducer, and acquisition module 10 comprises:
First obtains submodule; Be used for utilizing sample-hold circuit to carry out envelope detected to the input signal of ultrasonic transducer; Obtain the voltage signal of ultrasonic transducer and the range value of current signal respectively; Measure the voltage signal of ultrasonic transducer and the phase contrast of current signal, according to the actual electric power value of range value and the two phase difference calculating ultrasonic transducer of voltage signal, current signal;
First processing sub is used for the actual electric power value is compared with preset electrical power value, preset maximum electromotive power output value;
The first control submodule is used for when the actual electric power value is in preset permission excursion, and the input signal amplitude or the gain of the power amplifier of adjustment ultrasonic transducer are so that the actual electric power value reaches preset electrical power value; Or
When the actual electric power value exceeds preset permission excursion, the alarm user; Or
When the actual electric power value exceeds preset maximum electromotive power output value, cut off the electrical power output and the alarm user of ultrasonic transducer.
Further, the current working state of ultrasonic transducer can comprise the voltage reflection standing-wave ratio of ultrasonic transducer, and acquisition module 10 comprises:
Second obtains submodule, is used to adopt radiofrequency signal bidirectional power bonder that the forward and the reverse radio-frequency signal of ultrasonic transducer are measured, and obtains its forward and reverse voltage signal, calculates the voltage reflection standing-wave ratio of ultrasonic transducer;
Second processing sub is used for the voltage reflection standing-wave ratio is compared with predetermined threshold value, preset max-thresholds;
The second control submodule is used for when the voltage reflection standing-wave ratio is between predetermined threshold value and the preset max-thresholds, and the power amplifier output of adjustment ultrasonic transducer is so that the voltage reflection standing-wave ratio of ultrasonic transducer reaches predetermined threshold value; Or
When the voltage reflection standing-wave ratio is higher than preset max-thresholds, cut off the power amplifier output and the alarm user of ultrasonic transducer.
Further, the current working state of ultrasonic transducer can comprise the voltage signal of ultrasonic transducer and the phase difference value of current signal, and acquisition module 10 comprises:
The 3rd obtains submodule, is used for detecting its fundamental frequency from the radiofrequency signal spectral domain of ultrasonic transducer, and measures the voltage signal of ultrasonic transducer under the fundamental frequency and the phase difference value of current signal;
The 3rd processing sub is used for phase difference value is compared with preset phase difference value;
The 3rd control submodule is used for when phase difference value exceeds the preset difference value scope, and the output radio frequency signal frequency of the power amplifier of adjustment ultrasonic transducer is in the preset difference value scope phase difference value.
The supervising device of the duty of the ultrasonic transducer of this utility model embodiment; Can obtain the current working state of ultrasonic transducer; The current working state and the preset working state that compare ultrasonic transducer; And according to the running parameter of comparative result control ultrasonic transducer, so that ultrasonic transducer is in the preset working state.This utility model embodiment can monitor the working condition of ultrasonic transducer in real time, and suitable feedback adjustment running parameter, increases the safety that ultrasonic transducer uses, and the quality that promotes ultrasonic therapeutic.
Workflow in the face of the supervising device of the duty of the ultrasonic transducer of this utility model is elaborated down.The ultrasonic transducer duty of indication refers to the electrical installation state of ultrasonic transducer and system's (comprise its piezoelectric and impedance matching circuit, and drive power amplifier) thereof in this utility model.
The actual electric power value of embodiment one monitoring ultrasonic transducer
At first adopt circuit methods to measure the running voltage and the electric current of ultrasonic transducer in real time; Input signal to ultrasonic transducer utilizes sample-hold circuit to carry out envelope detected; Obtain its envelope voltage value and current value; And the phase contrast of measurement voltage signal and current signal, then according to the range value of voltage signal, the range value of current signal and the actual electric power value of the two phase difference calculating ultrasonic transducer.
This actual electric power value and preset electromotive power output value are compared, according to output (the adjustment input signal amplitude or the gain of adjustment power amplifier of difference adjustment power amplifier.When actual electric power value during, increase the gain of input signal amplitude or power amplifier less than preset electromotive power output value; When actual electric power value during, reduce the gain of input signal amplitude or power amplifier greater than preset electromotive power output value), make the actual electric power value of output meet preset scope.When the actual electric power value is higher or lower than certain error margin of preset electromotive power output value, or excursion is when exceeding preset permission excursion, the alarm user.When the actual electric power value exceeds systemic presupposition maximum electromotive power output value, cut off electrical power output and also report an error.
The voltage reflection standing-wave ratio of embodiment two monitoring ultrasonic transducers
Adopt radiofrequency signal bidirectional power bonder that forward and the reverse radio-frequency signal of ultrasonic transducer are measured, obtain its just/reverse voltage signal, calculating voltage reflects standing-wave ratio in view of the above.According to the gross output and the voltage reflection standing-wave ratio of ultrasonic transducer, can calculate ultrasonic transducer incident electrical power and reflection electrical power numerical value.
Too high voltage reflection standing-wave ratio representes to have more electrical power to be reflected back toward the power amplifier outfan; Possibly be owing to had big-difference (being excessive impedance mismatching) between the real part of the electrical impedance real part of ultrasonic transducer and power amplifier output impedance; Thereby influence the duty of power amplifier; The output impedance or the change power amplifier output impedance matching networks that can change power amplifier through the output radio frequency signal frequency that changes the ultrasonic transducer power amplifier reduce the impedance mismatching degree, thereby the power amplifier output of adjustment ultrasonic transducer is so that the voltage reflection standing-wave ratio of ultrasonic transducer reaches predetermined threshold value.When this voltage reflection standing-wave ratio is higher than preset max-thresholds, cut off the output and the alarm user of ultrasonic transducer power amplifier.
The emission parameter of embodiment three monitoring ultrasonic transducers
At first the radiofrequency signal spectral domain from ultrasonic transducer detects its fundamental frequency, calculates the two phase contrast from voltage signal and the current signal that records.If the voltage signal under this fundamental frequency and the phase contrast of current signal exceed preset difference range; Represent that then possibly there are mismatch in the output of this power amplifier and the input impedance of ultrasonic transducer; Need the output impedance or the change power amplifier output impedance matching networks of the output radio frequency signal frequency change power amplifier of adjustment power amplifier to reduce the impedance mismatching degree; Correct this phase contrast to the difference range that allows, make the impedance at two ends mate again, obtain best electro-acoustic conversion efficiency.Guarantee that ultrasonic transducer stably is operated in suitable operating frequency, transmitting power, can keep suitable electro-acoustic conversion efficiency.
Monitoring to the duty of ultrasonic transducer is not limited to above embodiment; Can also after suitably decaying, adopt analogue-digital converting method to carry out digital sample to the power radiofrequency signal of ultrasonic transducer; Utilize digital signal processing method; Obtain the amplitude and the phase frequency spectrum information of this radiofrequency signal, control the power amplifier parameter of ultrasonic transducer afterwards, make the amplitude of this radiofrequency signal and phase frequency spectrum information reach predetermined value.
The foregoing description can also can be monitored through indirect means such as ultrasonic transducer electro-acoustic conversion efficiencies through detecting the real time operation state of parameter monitoring ultrasonic transducers such as voltage, electric current.
The supervising device of the duty of ultrasonic transducer is after the ultrasonic transducer duty that above-mentioned real-time monitoring is obtained is carried out analytical judgment; Can carry out information feedback to the operator; Show the ultrasonic transducer duty; So that duty is controlled, and be used for quality control and the analysis after the ultrasonic therapeutic.Particularly, can adopt will the feed current signal of ultrasonic transducer of magnet coil to be coupled to lumination of light emitting diode, show that ultrasonic transducer is in emission state.Can also institute's monitored signal be shown on the function software interface, and the corresponding fault-tolerant measure when in system hardware and software, realizing above-mentioned monitor signal out-of-bounds, or prompting operation person intervenes.
The above is the preferred implementation of this utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the said principle of this utility model, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of this utility model.
Claims (4)
1. the supervising device of the duty of a ultrasonic transducer is characterized in that, comprising:
Acquisition module is used to obtain the current working state of ultrasonic transducer;
Processing module is used for the current working state and the preset working state of more said ultrasonic transducer;
Control module is used for controlling according to comparative result the running parameter of said ultrasonic transducer, so that said ultrasonic transducer is in the preset working state.
2. the supervising device of the duty of ultrasonic transducer according to claim 1 is characterized in that, said acquisition module comprises:
First obtains submodule; Be used for utilizing sample-hold circuit to carry out envelope detected to the input signal of said ultrasonic transducer; Obtain the voltage signal of said ultrasonic transducer and the range value of current signal respectively; Measure the voltage signal of said ultrasonic transducer and the phase contrast of current signal, according to the actual electric power value of the range value and the said ultrasonic transducer of the two phase difference calculating of said voltage signal, current signal;
Said processing module comprises:
First processing sub is used for said actual electric power value is compared with preset electrical power value, preset maximum electromotive power output value;
Said control module comprises:
The first control submodule is used for when said actual electric power value is in preset permission excursion, adjusting the input signal amplitude or the gain of the power amplifier of said ultrasonic transducer, so that said actual electric power value reaches preset electrical power value; Or
When said actual electric power value exceeds preset permission excursion, the alarm user; Or
When said actual electric power value exceeds preset maximum electromotive power output value, cut off the electrical power output and the alarm user of said ultrasonic transducer.
3. the supervising device of the duty of ultrasonic transducer according to claim 1 is characterized in that, said acquisition module comprises:
Second obtains submodule, is used to adopt radiofrequency signal bidirectional power bonder that the forward and the reverse radio-frequency signal of said ultrasonic transducer are measured, and obtains its forward and reverse voltage signal, calculates the voltage reflection standing-wave ratio of said ultrasonic transducer;
Said processing module comprises:
Second processing sub is used for said voltage reflection standing-wave ratio is compared with predetermined threshold value, preset max-thresholds;
Said control module comprises:
The second control submodule is used for when said voltage reflection standing-wave ratio is between predetermined threshold value and the preset max-thresholds, and the power amplifier output of adjusting said ultrasonic transducer is so that the voltage reflection standing-wave ratio of said ultrasonic transducer reaches predetermined threshold value; Or
When said voltage reflection standing-wave ratio is higher than preset max-thresholds, cut off the power amplifier output and the alarm user of said ultrasonic transducer.
4. the supervising device of the duty of ultrasonic transducer according to claim 1 is characterized in that, said acquisition module comprises:
The 3rd obtains submodule, is used for detecting its fundamental frequency from the radiofrequency signal spectral domain of said ultrasonic transducer, and measures the voltage signal of ultrasonic transducer under the said fundamental frequency and the phase difference value of current signal;
Said processing module comprises:
The 3rd processing sub is used for said phase difference value is compared with preset phase difference value;
Said control module comprises:
The 3rd control submodule is used for when said phase difference value exceeds the preset difference value scope, adjusts the output radio frequency signal frequency of the power amplifier of said ultrasonic transducer, and said phase difference value is in the preset difference value scope.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011203802203U CN202223256U (en) | 2011-10-09 | 2011-10-09 | Monitoring device for working state of ultrasonic transducer |
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| CN2011203802203U CN202223256U (en) | 2011-10-09 | 2011-10-09 | Monitoring device for working state of ultrasonic transducer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103027708A (en) * | 2011-10-09 | 2013-04-10 | 北京汇福康医疗技术有限公司 | Monitoring method and monitoring system for operating state of ultrasonic transducer |
| CN103480092A (en) * | 2012-06-13 | 2014-01-01 | 重庆海扶医疗科技股份有限公司 | Device and method for controlling ultrasonic energy output and ultrasonic therapy device |
| CN104706383A (en) * | 2015-03-19 | 2015-06-17 | 张忠芳 | Fallopian tube comprehensive guiding detecting therapeutic apparatus |
| CN110462434A (en) * | 2017-03-09 | 2019-11-15 | 法雷奥开关和传感器有限责任公司 | Method, ultrasonic sensor apparatus and the motor vehicles of the functional status of ultrasonic sensor are determined using the transfer function of ultrasonic sensor |
| CN110479701A (en) * | 2019-07-16 | 2019-11-22 | 云谷（固安）科技有限公司 | Ultrasonic equipment and its control method |
-
2011
- 2011-10-09 CN CN2011203802203U patent/CN202223256U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103027708A (en) * | 2011-10-09 | 2013-04-10 | 北京汇福康医疗技术有限公司 | Monitoring method and monitoring system for operating state of ultrasonic transducer |
| CN103480092A (en) * | 2012-06-13 | 2014-01-01 | 重庆海扶医疗科技股份有限公司 | Device and method for controlling ultrasonic energy output and ultrasonic therapy device |
| CN103480092B (en) * | 2012-06-13 | 2017-02-08 | 重庆海扶医疗科技股份有限公司 | Device and method for controlling ultrasonic energy output and ultrasonic therapy device |
| CN104706383A (en) * | 2015-03-19 | 2015-06-17 | 张忠芳 | Fallopian tube comprehensive guiding detecting therapeutic apparatus |
| CN110462434A (en) * | 2017-03-09 | 2019-11-15 | 法雷奥开关和传感器有限责任公司 | Method, ultrasonic sensor apparatus and the motor vehicles of the functional status of ultrasonic sensor are determined using the transfer function of ultrasonic sensor |
| CN110479701A (en) * | 2019-07-16 | 2019-11-22 | 云谷（固安）科技有限公司 | Ultrasonic equipment and its control method |
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Denomination of utility model: Monitoring device for working state of ultrasonic transducer Effective date of registration: 20130409 Granted publication date: 20120523 Pledgee: Bank of Hangzhou Limited by Share Ltd Beijing branch Pledgor: Beijing 3H Medical Technology Co., Ltd. Registration number: 2013990000194 |
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Denomination of utility model: Monitoring device for working state of ultrasonic transducer Effective date of registration: 20140416 Granted publication date: 20120523 Pledgee: Bank of Hangzhou Limited by Share Ltd Beijing branch Pledgor: Beijing 3H Medical Technology Co., Ltd. Registration number: 2014990000270 |
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Denomination of utility model: Monitoring device for working state of ultrasonic transducer Effective date of registration: 20150528 Granted publication date: 20120523 Pledgee: Bank of Hangzhou Limited by Share Ltd Beijing branch Pledgor: Beijing 3H Medical Technology Co., Ltd. Registration number: 2015990000419 |
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Address after: 100176 Beijing economic and Technological Development Zone, Kangding street, No., Kang Sheng Industrial Park, building 20, building 11 Patentee after: Beijing 3H Medical Technology Co., Ltd. Address before: 100176 Beijing economic and Technological Development Zone, Kangding street, No., Kang Sheng Industrial Park, building 20, building 11 Patentee before: Beijing 3H Medical Technology Co., Ltd. |
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Denomination of utility model: Monitoring device for working state of ultrasonic transducer Effective date of registration: 20160615 Granted publication date: 20120523 Pledgee: Bank of Hangzhou Limited by Share Ltd Beijing branch Pledgor: Beijing 3H Medical Technology Co., Ltd. Registration number: 2016990000509 |
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| CP02 | Change in the address of a patent holder |
Address after: In Beijing economic and Technological Development Zone, two street 100176 8 Beijing City Hospital No. 18 building 3 layer 4 layer 5 layer 504-520 room Patentee after: Beijing 3H Medical Technology Co., Ltd. Address before: 100176 Beijing economic and Technological Development Zone, Kangding street, No., Kang Sheng Industrial Park, building 20, building 11 Patentee before: Beijing 3H Medical Technology Co., Ltd. |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210122 Granted publication date: 20120523 Pledgee: Bank of Hangzhou Limited by Share Ltd. Beijing branch Pledgor: BEIJING 3H MEDICAL TECHNOLOGY Co.,Ltd. Registration number: 2016990000509 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Effective date of registration: 20210617 Address after: 100176 2nd floor, building 18, yard 8, Liangshuihe 2nd Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: BEIJING ANHEJIABAOER TECHNOLOGY Co.,Ltd. Address before: 100176 room 504-520, 3 / F, 4 / F, 5 / F, building 18, yard 8, Liangshuihe Second Street, Beijing Economic and Technological Development Zone Patentee before: BEIJING 3H MEDICAL TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20120523 |
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| CX01 | Expiry of patent term |