CN108387369B - Breast pump testing device and method - Google Patents
Breast pump testing device and method Download PDFInfo
- Publication number
- CN108387369B CN108387369B CN201810124572.9A CN201810124572A CN108387369B CN 108387369 B CN108387369 B CN 108387369B CN 201810124572 A CN201810124572 A CN 201810124572A CN 108387369 B CN108387369 B CN 108387369B
- Authority
- CN
- China
- Prior art keywords
- suction
- breast pump
- data
- unit
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- External Artificial Organs (AREA)
Abstract
The invention relates to a breast pump testing device and a breast pump testing method, which mainly solve the problem that no device for detecting whether the suction index of a breast pump is qualified exists in the prior art, and the breast pump testing device comprises two simulated breasts, two suction detection modules for respectively detecting the suction force of the two simulated breasts, a data acquisition module for acquiring the detected suction force data, an air pipe for connecting the simulated breasts with the suction detection modules, a data processing module for analyzing and processing the acquired data and a display module for displaying the processing result, wherein the suction detection modules, the data acquisition modules and the data processing module are sequentially connected. The invention can detect the slight, continuous and instant change of the suction force of the breast pump, has high sampling rate, can accurately detect various indexes of the suction force of the breast pump, can quickly judge whether various indexes of the breast pump are qualified or not, and effectively monitors the ex-factory qualification rate of the breast pump.
Description
Technical Field
The invention relates to the field of medical instrument product detection, in particular to a breast pump testing device and method.
Background
The breast pump is a common tool for assisting in breast discharge and dredging mammary glands of lactating women, and manual type breast pumps, semi-automatic breast pumps and automatic breast pumps are available on the market at present. The automatic breast pump has a massage mode and a breast pumping mode, is generally used by people due to convenient and labor-saving use, but the data of all aspects of the breast pump suction force on the market are different, and the quality of part of breast pumps does not reach the standard, so the breast pump testing device has important significance in detecting all aspects of the performance of the breast pump, and can find and remove unqualified products in time during production.
Patent specification No. 201610978702.6 entitled "control device and control method for a breast pump" discloses a control device and control method for a breast pump, which cannot detect a breast pump force value.
Disclosure of Invention
The invention mainly solves the problem that a device for detecting whether the suction index of the breast pump is qualified or not in the prior art, and provides a breast pump testing device and a breast pump testing method.
The technical problem of the invention is mainly solved by the following technical scheme: the utility model provides a breast pump testing arrangement, includes two emulation breasts, respectively to two emulation breasts the suction that receive carry out two suction detection module that detect, carry out the data acquisition module of gathering to the suction data that detect, be used for connecting emulation breast and suction detection module's trachea, carry out analysis processes's data processing module and the display module that shows the processing result to the data of gathering, suction detection module, data acquisition module, data processing module connect gradually.
The breast pump simulation device simulates the working process of the breast pump through the simulation breast, the suction detection module detects the suction of the breast pump in real time, the data acquisition module acquires the detection data of the suction detection module and sends the detection data to the central processing unit, the data processing module processes the detection data and judges whether each suction index of the breast pump is qualified or not, the data is stored in the data storage unit, and finally, the test result is led out to the display module.
As a preferred scheme, the data processing module comprises a waveform forming unit which forms the data collected by the data collecting module into a waveform with suction amplitude, cycle and frequency, a suction size judging unit which judges the suction size of the breast pump, a stability judging unit which judges the suction stability of the breast pump, a suction comparing unit which compares the suction of the simulated breasts on two sides in real time, a difference value judging unit which calculates the suction difference value of different gears of the breast pump and judges the suction difference value, a massage frequency judging unit which judges the massage frequency of the breast pump, a breast pumping frequency judging unit which judges the breast pumping frequency of the breast pump, a data exporting unit which exports the test result in the form of a suction waveform chart and a table and a data storage unit which stores the test data, wherein the waveform forming unit is connected with the data collecting module, the suction force size judging unit, the stability judging unit, the suction force comparing unit, the difference value judging unit, the massage frequency judging unit and the milk sucking frequency judging unit are respectively connected with the waveform forming unit and the data storage unit, the data deriving unit and the display module are sequentially connected.
As a preferred scheme, the suction detection module and the data acquisition module are respectively connected with a power supply wire connector, and one end of the wire connector is respectively connected with the suction detection module and the data acquisition module and used for supplying power to the suction detection module and the data acquisition module.
Preferably, the device further comprises an AC-DC converter, wherein the AC-DC converter is connected with the other end of the connector and converts AC into DC suitable for the device to work.
Preferably, the output of the ac-dc converter is 24V dc, which is suitable for the device operating voltage.
As a preferred scheme, the device further comprises a switch, wherein one end of the switch is connected with the alternating current-to-direct current converter, and the other end of the switch is connected with a 220V external alternating current power supply to serve as a power supply of the device.
A breast pump testing method comprising the steps of:
s1, adsorbing a breast pump to be tested on a simulated breast, and turning on a switch to start the device to work;
s2, the suction detection module detects specific data of different gears of the breast pump in a massage mode and a breast pumping mode in real time, and the data acquisition module acquires the detection data of the suction detection module and sends the detection data to the central processor;
s3, a waveform forming unit of the data processing module forms suction waveform diagrams of different gears under the massage mode and the breast pumping mode of the breast pump according to the detection data of the suction detection module;
s4, a suction strength judging unit, a stability judging unit, a suction strength comparing unit, a massage frequency judging unit and a milk sucking frequency judging unit of the data processing module respectively process and analyze the detection data, and judge whether the suction strength of the breast pump is qualified, whether the suction stability of the breast pump is qualified, whether the suction strength of the simulated breasts on two sides is the same, whether the massage frequency of the breast pump is qualified and whether the milk sucking frequency of the breast pump is qualified;
s5, a data storage unit stores the processed data;
and S6, leading out the processing data to a display module in a suction oscillogram and a table form by a data leading-out unit.
As a preferable scheme, the step S4 includes the steps of:
s41, calculating a mean value of the maximum suction amplitude values by a suction size judging unit according to the maximum suction amplitude values of suction oscillograms of different gears in the massage mode and the breast pumping mode of the breast pump in each period, and then judging whether the mean value of the maximum suction amplitude values is within a qualified suction amplitude threshold range;
s42, calculating the maximum amplitude difference value between the maximum amplitudes of the suction in adjacent periods by a stability evaluation unit according to the maximum amplitude of the suction in each period of the suction oscillogram of different gears in the massage mode and the breast pumping mode of the breast pump, and judging that the suction stability of the breast pump is qualified when the maximum amplitude difference values are within the range of the set maximum amplitude difference value threshold;
s43, the suction comparison unit performs difference processing on the maximum amplitude values of the breast pumps on the two sides in the same period, and when the difference values are within the set threshold range of the suction comparison difference values, the suction forces on the simulated breasts on the two sides are judged to be the same;
s44, the difference value evaluation unit respectively calculates the difference value of the average maximum amplitude value between the adjacent gears, and when the difference value of the average maximum amplitude value between the adjacent gears is within the range of the set gear judgment threshold value, the suction force difference values of different gears of the breast pump are judged to be qualified, and the gear design is reasonable;
s45, a massage frequency judging unit calculates the vibration frequency of the amplitude in each period according to the suction oscillogram of different gears in the breast pump massage mode, and when the vibration frequency in each period of different gears reaches a vibration frequency threshold set by the gear, the breast pump massage frequency is judged to be qualified;
s46, the milk sucking frequency judging unit calculates the milk sucking frequency of different gears according to suction wave patterns of different gears of the milk sucking device in a milk sucking mode, compares the milk sucking frequency with a set milk sucking frequency threshold value of the corresponding gear, and judges whether the milk sucking frequency of the milk sucking device is qualified or not when the milk sucking frequency is within the milk sucking frequency threshold value range.
Therefore, the invention has the advantages that: the method can detect slight, continuous and instant change of the suction force of the breast pump, has high sampling rate, can accurately detect various indexes of the suction force of the breast pump, can quickly judge whether various indexes of the breast pump are qualified or not, and effectively monitors the factory qualification rate of the breast pump.
Drawings
FIG. 1 is a schematic diagram of the control architecture of the present invention;
FIG. 2 is a waveform of a massage mode test of the breast pump of the present invention;
fig. 3 is a waveform of a breast pump pumping mode test of the breast pump of the present invention.
1-simulation breast 2-trachea 3-suction detection module 4-data acquisition module 5-wire connector 6-AC-DC converter 7-switch 8-display module 9-data processing module 91-suction size evaluation unit 92-stability evaluation unit 93-suction comparison unit 94-difference evaluation unit 95-milk-sucking frequency evaluation unit 96-massage frequency evaluation unit 97-data storage unit 98-data derivation unit 99-waveform forming unit.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b):
the breast pump testing device of the embodiment includes, as shown in fig. 1, two simulated breasts 1, two suction detection modules 3 for respectively detecting the suction force received by the two simulated breasts, a data acquisition module 4 for acquiring the detected suction force data, an air tube 2 for connecting the simulated breasts with the suction detection modules, a data processing module 9 for analyzing and processing the acquired data, and a display module 8 for displaying the processing result, wherein the suction detection modules, the data acquisition module and the central processing unit are sequentially connected.
The breast pump simulation test system simulates the working process of a breast pump through a simulation breast, the suction detection module detects the suction of the breast pump in real time, the data acquisition module acquires the detection data of the suction detection module and sends the detection data to the central processor, the data processing module processes the detection data to form a breast pump massage mode test oscillogram and a breast pump milk suction mode test oscillogram and judge whether each suction index of the breast pump is qualified or not, the data are stored in the data storage unit, and finally the test result is exported to the display module, wherein the breast pump massage mode test oscillogram and the breast pump milk suction mode test oscillogram in the actual test process are respectively shown in fig. 2 and fig. 3.
The data processing module comprises a waveform forming unit 99 for forming the data acquired by the data acquisition module into a waveform with suction amplitude, period and frequency, a suction size judging unit 91 for judging the suction size of the breast pump, a stability judging unit 92 for judging the suction stability of the breast pump, a suction comparison unit 93 for comparing the simulated breast suction on two sides in real time, a difference value judging unit 94 for calculating the suction difference value of different gears of the breast pump and judging the suction difference value, a massage frequency judging unit 96 for judging the massage frequency of the breast pump, a breast pumping frequency judging unit 95 for judging the breast pumping frequency of the breast pump, a data exporting unit 98 for exporting the test result in the form of a suction waveform diagram and a table and a data storage unit 97 for storing the test data, wherein the waveform forming unit is connected with the data acquisition module, the suction force size judging unit, the stability judging unit, the suction force comparing unit, the difference value judging unit, the massage frequency judging unit and the milk sucking frequency judging unit are respectively connected with the waveform forming unit and the data storage unit, the data deriving unit and the display module are sequentially connected.
When the device is in actual use, an alternating current-to-direct current converter 5 is adopted to convert a 220V external alternating current power supply into a 24V direct current to provide working current for the device, the device further comprises a wire connector 6 and a switch 7 for power supply, one end of the wire connector is connected with the suction detection module and the data acquisition module respectively and used for supplying power to the suction detection module and the data acquisition module, one end of the switch is connected with the alternating current-to-direct current converter, and the other end of the switch is connected with the 220V external alternating current power supply and used as a power supply of the device.
In actual operation, the data acquisition module adopts a 12-bit AD acquisition module of a YAV USB 8AD high-speed data signal acquisition card; the suction detection module adopts a diffused silicon pressure transmitter sensor; the suction size judging unit, the stability judging unit, the suction comparing unit, the difference calculating unit, the difference judging unit, the data deriving unit and the data storing unit are all software processing units developed by applying LabWIEW to a computer, and the display module is a display screen.
A breast pump testing method comprising the steps of:
s1, the breast pump to be tested is adsorbed on the simulated breast, and the switch is turned on, so that the device starts to work.
S2, the suction detection module detects specific data of different gears of the breast pump in a massage mode and a breast pumping mode in real time, and the data acquisition module acquires the detection data of the suction detection module and sends the detection data to the central processor.
And S3, the waveform forming unit of the data processing module forms suction waveform diagrams of different gears in the massage mode and the breast pumping mode of the breast pump according to the detection data of the suction detection module.
S4, a suction strength judging unit, a stability judging unit, a suction strength comparing unit, a massage frequency judging unit and a milk sucking frequency judging unit of the data processing module respectively process and analyze the detection data, and judge whether the suction strength of the breast pump is qualified, whether the suction stability of the breast pump is qualified, whether the suction strength of the simulated breasts on two sides is the same, whether the massage frequency of the breast pump is qualified and whether the milk sucking frequency of the breast pump is qualified;
s41, calculating a mean value of the maximum suction amplitude values by a suction size judging unit according to the maximum suction amplitude values of suction oscillograms of different gears in the massage mode and the breast pumping mode of the breast pump in each period, and then judging whether the mean value of the maximum suction amplitude values is within a qualified suction amplitude threshold range;
s42, calculating the maximum amplitude difference value between the maximum amplitudes of the suction in adjacent periods by a stability evaluation unit according to the maximum amplitude of the suction in each period of the suction oscillogram of different gears in the massage mode and the breast pumping mode of the breast pump, and judging that the suction stability of the breast pump is qualified when the maximum amplitude difference values are within the range of the set maximum amplitude difference value threshold;
s43, the suction comparison unit performs difference processing on the maximum amplitude values of the breast pumps on the two sides in the same period, and when the difference values are within the set threshold range of the suction comparison difference values, the suction forces on the simulated breasts on the two sides are judged to be the same;
s44, the difference value evaluation unit respectively calculates the difference value of the average maximum amplitude value between the adjacent gears, and when the difference value of the average maximum amplitude value between the adjacent gears is within the range of the set gear judgment threshold value, the suction force difference values of different gears of the breast pump are judged to be qualified, and the gear design is reasonable;
s45, a massage frequency judging unit calculates the vibration frequency of the amplitude in each period according to the suction oscillogram of different gears in the breast pump massage mode, and when the vibration frequency in each period of different gears reaches a vibration frequency threshold set by the gear, the breast pump massage frequency is judged to be qualified;
s46, the milk sucking frequency judging unit calculates the milk sucking frequency of different gears according to suction wave patterns of different gears of the milk sucking device in a milk sucking mode, compares the milk sucking frequency with a set milk sucking frequency threshold value of the corresponding gear, and judges whether the milk sucking frequency of the milk sucking device is qualified or not when the milk sucking frequency is within the milk sucking frequency threshold value range.
And S5, storing the processed data by a data storage unit.
And S6, leading out the processing data to a display module in a suction oscillogram and a table form by a data leading-out unit.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms suction size evaluation unit, stability evaluation unit, suction comparison unit, difference evaluation unit, data derivation unit, and data storage unit are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (6)
1. A breast pump testing arrangement which characterized in that: the breast pump testing device comprises two simulated breasts, two suction detection modules for respectively detecting the suction force of the two simulated breasts, a data acquisition module for acquiring the detected suction force data, an air pipe for connecting the simulated breasts with the suction detection modules, a data processing module for analyzing and processing the acquired data and a display module for displaying a processing result, wherein the suction detection modules, the data acquisition modules and the data processing module are sequentially connected, the data processing module comprises a waveform forming unit for forming the data acquired by the data acquisition modules into waveforms with suction force amplitude, period and frequency, and the testing method based on the breast pump testing device comprises the following steps:
s1, adsorbing a breast pump to be tested on a simulated breast, and turning on a switch to start the device to work;
s2, the suction detection module detects specific data of different gears of the breast pump in a massage mode and a breast pumping mode in real time, and the data acquisition module acquires the detection data of the suction detection module and sends the detection data to the central processing unit;
s3, a waveform forming unit of the data processing module forms suction waveform diagrams of different gears under the massage mode and the breast pumping mode of the breast pump according to the detection data of the suction detection module;
s41, calculating a mean value of the maximum suction amplitude values by a suction size judging unit according to the maximum suction amplitude values of suction oscillograms of different gears in the massage mode and the breast pumping mode of the breast pump in each period, and then judging whether the mean value of the maximum suction amplitude values is within a qualified suction amplitude threshold range;
s42, calculating the maximum amplitude difference value between the maximum amplitudes of the suction in adjacent periods by a stability evaluation unit according to the maximum amplitude of the suction in each period of the suction oscillogram of different gears in the massage mode and the breast pumping mode of the breast pump, and judging that the suction stability of the breast pump is qualified when the maximum amplitude difference values are within the range of the set maximum amplitude difference value threshold;
s43, the suction comparison unit performs difference processing on the maximum amplitude values of the breast pumps on the two sides in the same period, and when the difference values are within the set threshold range of the suction comparison difference values, the suction forces on the simulated breasts on the two sides are judged to be the same;
s44, the difference value evaluation unit respectively calculates the difference value of the average maximum amplitude value between the adjacent gears, and when the difference value of the average maximum amplitude value between the adjacent gears is within the range of the set gear judgment threshold value, the suction force difference values of different gears of the breast pump are judged to be qualified, and the gear design is reasonable;
s45, a massage frequency judging unit calculates the vibration frequency of the amplitude in each period according to the suction oscillogram of different gears in the breast pump massage mode, and when the vibration frequency in each period of different gears reaches a vibration frequency threshold set by the gear, the breast pump massage frequency is judged to be qualified;
s46, calculating the milk sucking frequency of different gears by a milk sucking frequency judging unit according to suction oscillograms of different gears in the milk sucking mode of the milk sucking device, comparing the milk sucking frequency with a set milk sucking frequency threshold of the corresponding gear, and judging that the milk sucking frequency of the milk sucking device is qualified when the milk sucking frequency is in the milk sucking frequency threshold range;
s5, a data storage unit stores the processed data;
and S6, leading out the processing data to a display module in a suction oscillogram and a table form by a data leading-out unit.
2. The breast pump testing device as claimed in claim 1, wherein the data processing module further comprises a suction force evaluation unit for evaluating the suction force of the breast pump, a stability evaluation unit for evaluating the suction force stability of the breast pump, a suction force comparison unit for comparing the suction forces of the simulated breasts at two sides in real time, a difference evaluation unit for calculating the suction force difference of different gears of the breast pump and judging the suction force difference, a massage frequency evaluation unit for evaluating the massage frequency of the breast pump, a breast pumping frequency evaluation unit for evaluating the breast pumping frequency of the breast pump, a data derivation unit for deriving the test result in the form of a suction force waveform diagram and a table, and a data storage unit for storing the test data, wherein the waveform forming unit is connected with the data acquisition module, and the suction force evaluation unit, the stability evaluation unit, the data storage unit, and the data storage unit are connected with the data acquisition module, The suction comparison unit, the difference value evaluation unit, the massage frequency evaluation unit and the milk sucking frequency evaluation unit are respectively connected with the waveform forming unit and the data storage unit, the data derivation unit and the display module are sequentially connected.
3. The breast pump testing device of claim 1 further comprising a power supply connector, one end of the connector being connected to the suction detection module and the data acquisition module, respectively.
4. A breast pump testing apparatus as claimed in claim 3 further comprising an ac to dc converter connected to the other end of the connector.
5. A breast pump testing apparatus as claimed in claim 4 wherein the output of the AC to DC converter is 24V DC.
6. A breast pump testing device as claimed in claim 4 or 5 further comprising a switch, one end of the switch being connected to the AC to DC converter and the other end being connected to a 220V external AC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124572.9A CN108387369B (en) | 2018-02-07 | 2018-02-07 | Breast pump testing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124572.9A CN108387369B (en) | 2018-02-07 | 2018-02-07 | Breast pump testing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108387369A CN108387369A (en) | 2018-08-10 |
| CN108387369B true CN108387369B (en) | 2020-02-21 |
Family
ID=63074390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810124572.9A Active CN108387369B (en) | 2018-02-07 | 2018-02-07 | Breast pump testing device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108387369B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697417A (en) * | 2020-12-28 | 2021-04-23 | 全鼎电子(苏州)有限公司 | Suction and frequency test system of breast pump |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2020198A2 (en) * | 2007-08-03 | 2009-02-04 | Niro-Plan Ag | Method and device for supplying food |
| DE202016106218U1 (en) * | 2016-09-24 | 2016-12-19 | Zhejiang Huilun Infant And Child Articles Co., Ltd. | Music breast pump |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH708400A1 (en) * | 2013-07-16 | 2015-01-30 | Medela Holding Ag | Breastpump unit. |
| CN203342105U (en) * | 2013-07-26 | 2013-12-18 | 陈俊波 | Milk pumping strength control device of electric milk pumping device |
| CN203634548U (en) * | 2014-01-04 | 2014-06-11 | 陈俊波 | Suck-imitation positive and negative pressure breast pump |
| WO2016014488A1 (en) * | 2014-07-22 | 2016-01-28 | Exploramed Nc7, Llc | Breast pump system and methods |
| EP3313470A1 (en) * | 2015-03-11 | 2018-05-02 | The Trustees of Columbia University in the City of New York | Devices for infant feeding |
| CN105288759B (en) * | 2015-10-16 | 2017-06-23 | 上海师范大学 | The electric breast pump of pressure feedback control is carried out based on pliable pressure sensor |
| CN206974709U (en) * | 2017-04-24 | 2018-02-06 | 黑龙江省农业机械工程科学研究院 | Milking pulsating detection instrument |
-
2018
- 2018-02-07 CN CN201810124572.9A patent/CN108387369B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2020198A2 (en) * | 2007-08-03 | 2009-02-04 | Niro-Plan Ag | Method and device for supplying food |
| DE202016106218U1 (en) * | 2016-09-24 | 2016-12-19 | Zhejiang Huilun Infant And Child Articles Co., Ltd. | Music breast pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108387369A (en) | 2018-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106108877B (en) | A kind of survey meter of blood pressure | |
| CN105748051A (en) | Blood pressure measuring method and device | |
| CN103142225A (en) | Electroencephalograph for determining contact status between electrode and scalp and method for determining same | |
| CN202040152U (en) | Fault detection system of hydraulic system | |
| CN108387369B (en) | Breast pump testing device and method | |
| CN105147269A (en) | Noninvasive continuous blood pressure measuring method | |
| CN105078430B (en) | Pulse wave blood pressure simulator and its analogy method | |
| CN106963361A (en) | Detection method, detection means and the electrocardio equipment of limb leads misconnection | |
| CN109142520B (en) | Ultrasonic detection device | |
| CN110200642A (en) | A kind of measurement method and terminal of cognitive load and psychological pressure | |
| CN110618286A (en) | Sperm liquefaction degree analysis device and analysis method thereof | |
| CN103750831A (en) | Heart rate detection device and detection method | |
| CN102188241A (en) | Intelligent electrocardio test training device | |
| CN110292366A (en) | Pulse signal processing circuit and acquisition system based on piezoresistive pressure sensor | |
| CN104586376A (en) | Blood pressure measuring system subdividing measurement objects according to template | |
| CN203524655U (en) | Apparatus for measuring pulse wave and blood pressure | |
| CN210426906U (en) | Waterproof test fixture | |
| CN112823739B (en) | Blood pressure detection device, blood pressure detection system and blood pressure monitoring method | |
| CN102813507A (en) | Device and method for measuring blood pressure value of human body when human body is in stable state | |
| CN201955399U (en) | Three-phase-current phase-lacking detection circuit | |
| CN103211586A (en) | Optical-detection-based noninvasive pressure signal acquisition method and device | |
| CN104490389A (en) | Wearable device for detecting fetal movements and method for detecting fetal movements | |
| CN109567781B (en) | Device for automatically detecting pulse in cardio-pulmonary resuscitation process and detection method thereof | |
| CN212932555U (en) | Oxygen concentration real-time monitoring system of oxygenerator | |
| CN210541591U (en) | Wireless portable psychological stress assessment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |