CN207341769U - A kind of ultrasound Doppler fetal heart rate detector that can detect and record automatically movement of the foetus - Google Patents
A kind of ultrasound Doppler fetal heart rate detector that can detect and record automatically movement of the foetus Download PDFInfo
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- CN207341769U CN207341769U CN201620831699.0U CN201620831699U CN207341769U CN 207341769 U CN207341769 U CN 207341769U CN 201620831699 U CN201620831699 U CN 201620831699U CN 207341769 U CN207341769 U CN 207341769U
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Abstract
The utility model discloses a kind of ultrasound Doppler fetal heart rate detector that can detect and record automatically movement of the foetus, including host and ultrasonic probe, host includes a microprocessor control unit；Fetal Movement Signal extraction unit further handles the ultrasound echo signal that ultrasonic reception processing unit transmits, filter out Fetal Heart Rate signal, fetal heart sound signal and other interference signals, leave behind the Fetal Movement Signal of reaction F/A situation, the signal is connected to AD sampling units, AD sampling units send the signal sampling to microprocessor control unit into digital signal, microprocessor control unit passes through a series of Digital Signal Processing and calculating, it can obtain movement of the foetus information, this information is shown on screen or other output devices, the F/A curve map of reaction movement of the foetus situation can be drawn, also movement of the foetus can be marked, and it can realize automatic numeration, it is significant for clinical auxiliary judgment foetus health situation.
Description
Technical field
It the utility model is related to a kind of ultrasound Doppler fetal heart rate detector that can detect and record automatically movement of the foetus.
Background technology
Movement of the foetus is to react an important indicator of foetus health situation, and the detection of movement of the foetus at present is mostly to use artificial counting side
Formula, existing ultrasound Doppler fetal heart rate detector cannot detect and record automatically movement of the foetus, automatic detection and record movement of the foetus for
Clinical auxiliary judgment foetus health situation is significant.
The content of the invention
Technical problem to be solved in the utility model is to provide one kind and uses ultrasonic Doppler frequency displacement principle, and ultrasound is visited
Head is fixed to her abdominal, and ultrasonic probe constantly launches ultrasonic signal into pregnant woman's body, and reaction movement of the foetus situation is obtained with this
F/A curve map, also can count movement of the foetus automatically, can detect and record automatically the ultrasound Doppler fetal heart rate detector of movement of the foetus.
The utility model is achieved through the following technical solutions：It is a kind of to detect and record automatically the ultrasonic more of movement of the foetus
General Le heart rate meter for fetus, including host and ultrasonic probe, host include a microprocessor control unit；Ultrasonic probe can be with
A component is integrated or stood alone as with host, and ultrasound emission unit and ultrasonic transduction are housed inside ultrasonic probe
Device unit, ultrasound emission unit produce be used for drive ultrasonic transducer electric signal and be transferred to ultrasonic transducer unit send it is super
Sound wave；
Ultrasonic transducer unit receives ultrasonic echo and produces faint electric signal at the same time, its output terminal is connected at ultrasonic reception
Unit is managed, ultrasonic reception processing unit output terminal sets three signal extraction units, is respectively Fetal Heart Rate signal extraction unit, tire
Dynamic signal extraction unit and fetal heart sound signal extraction unit, Fetal Movement Signal extraction unit transmit ultrasonic reception processing unit
Ultrasound echo signal further handle, filter out Fetal Heart Rate signal, fetal heart sound signal and other interference signals, leave behind reaction tire
The Fetal Movement Signal of youngster's active situation, the signal are connected to AD sampling units, and AD sampling units are by the signal sampling into digital signal
Send microprocessor control unit to, microprocessor control unit is passed through a series of Digital Signal Processing and calculating, can be obtained
Movement of the foetus information, this information is shown on screen or other output devices, and the fetus that can draw reaction movement of the foetus situation lives
Moving curve figure, can also be marked movement of the foetus, and can realize automatic numeration；
Fetal heart sound signal extraction unit signal output part connects fetal heart sound broadcast unit, and fetal heart sound broadcast unit passes through loudspeaker
Or earphone output fetal heart sound.
As preferable technical solution, principle used in automatic detection and record movement of the foetus information is ultrasonic Doppler frequency displacement
Effect, ultrasonic signal is sent into pregnant woman's abdomen using ultrasonic probe, while receives the ultrasound echo signal that reflection,fetal is returned,
Information containing F/A in the signal, carries out the signal that processing filters out Fetal Heart Rate signal, fetal heart sound signal and other are dry
Signal is disturbed, the electric signal of reaction F/A situation can be obtained, carry out AD sample conversions to the electric signal passes into digital signal
Microprocessor control unit is given, microprocessor control unit passes through a series of Digital Signal Processing and calculating, can obtain anti-
Answer the activity curve figure and movement of the foetus information of F/A situation.
As preferable technical solution, a display unit or output device are provided with the host, reaction can be drawn
The F/A curve map of movement of the foetus situation, can also be marked movement of the foetus, and can realize automatic numeration.
As preferable technical solution, the ultrasonic probe is 1-13 pieces using ultrasonic wave number of wafers, and wafer diameter is
8-35mm, ultrasound works frequency are 0.8-3.5MHz.
The beneficial effects of the utility model are：Ultrasonic probe is fixed to her abdominal by the utility model, and ultrasonic probe is not
Break and launch ultrasonic signal into pregnant woman's body, ultrasonic signal, which runs into fetus body surface, will produce echo-signal, when the body of fetus
When body or quadruped locomotion, the doppler shifted signal in ultrasound echo signal at this time just with reaction fetal movements information is right
This echo-signal is demodulated, amplifies and filtering process, and becomes digital signal by AD samplings, further to this digital signal
Processing, can obtain movement of the foetus information, this information is shown on screen or other output devices, can obtain reaction movement of the foetus
The F/A curve map of situation, also can count movement of the foetus automatically, significant for clinical auxiliary judgment foetus health situation.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the system block diagram of the utility model.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
This specification（Including any accessory claim, summary and attached drawing）Disclosed in any feature, except non-specifically chatting
State, can be replaced by other alternative features that are equivalent or have similar purpose.I.e., unless specifically stated, each feature
It is an example in a series of equivalent or similar characteristics.
As shown in Figure 1, including host and ultrasonic probe, host includes a microprocessor control unit；Ultrasonic probe
A component can be integrated or stood alone as with host, and ultrasound emission unit and ultrasound are housed inside ultrasonic probe
Transducer unit, ultrasound emission unit produce the electric signal for being used for driving ultrasonic transducer and are transferred to ultrasonic transducer unit hair
Go out ultrasonic wave；
Ultrasonic transducer unit receives ultrasonic echo and produces faint electric signal at the same time, its output terminal is connected at ultrasonic reception
Unit is managed, ultrasonic reception processing unit output terminal sets three signal extraction units, is respectively Fetal Heart Rate signal extraction unit, tire
Dynamic signal extraction unit and fetal heart sound signal extraction unit, Fetal Movement Signal extraction unit transmit ultrasonic reception processing unit
Ultrasound echo signal further handle, filter out Fetal Heart Rate signal, fetal heart sound signal and other interference signals, leave behind reaction tire
The Fetal Movement Signal of youngster's active situation, the signal are connected to AD sampling units, and AD sampling units are by the signal sampling into digital signal
Send microprocessor control unit to, microprocessor control unit is passed through a series of Digital Signal Processing and calculating, can be obtained
Movement of the foetus information, this information is shown on screen or other output devices, and the fetus that can draw reaction movement of the foetus situation lives
Moving curve figure, can also be marked movement of the foetus, and can realize automatic numeration；
Fetal heart sound signal extraction unit signal output part connects fetal heart sound broadcast unit, and fetal heart sound broadcast unit passes through loudspeaker
Or earphone output fetal heart sound.
Wherein, a display unit or output device are provided with the host, the fetus of reaction movement of the foetus situation can be drawn
Activity curve figure, can also be marked movement of the foetus, and can realize automatic numeration.
Wherein, ultrasonic probe is 1-13 pieces using ultrasonic wave number of wafers, wafer diameter 8-35mm, ultrasound works frequency
For 0.8-3.5MHz.Testing principle is according to ultrasonic Doppler frequency shift effect.
The beneficial effects of the utility model are：Ultrasonic probe is fixed to her abdominal by the utility model, and ultrasonic probe is not
Break and launch ultrasonic signal into pregnant woman's body, ultrasonic signal, which runs into fetus body surface, will produce echo-signal, when the body of fetus
When body or quadruped locomotion, the doppler shifted signal in ultrasound echo signal at this time just with reaction fetal movements information is right
This echo-signal is demodulated, amplifies and filtering process, and becomes digital signal by AD samplings, further to this digital signal
Processing, can obtain movement of the foetus information, this information is shown on screen or other output devices, can obtain reaction movement of the foetus
The F/A curve map of situation, also can count movement of the foetus automatically, significant for clinical auxiliary judgment foetus health situation.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work, should be covered within the scope of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (3)
- A kind of 1. ultrasound Doppler fetal heart rate detector that can detect and record automatically movement of the foetus, it is characterised in that：Including host and surpass Sonic probe, host include a microprocessor control unit；Ultrasonic probe can be integrated or stood alone as with host One component, ultrasonic probe inside are equipped with ultrasound emission unit and ultrasonic transducer unit, and ultrasound emission unit produces use In driving ultrasonic transducer electric signal and be transferred to ultrasonic transducer unit and send ultrasonic wave；Ultrasonic transducer unit receives ultrasonic echo and produces faint electric signal at the same time, and the connection ultrasonic reception processing of its output terminal is single Member, ultrasonic reception processing unit output terminal set three signal extraction units, are respectively Fetal Heart Rate signal extraction unit, movement of the foetus letter Number extraction unit and fetal heart sound signal extraction unit, Fetal Movement Signal extraction unit transmit ultrasonic reception processing unit super Sound echo-signal is further handled；Fetal heart sound signal extraction unit signal output part connects fetal heart sound broadcast unit, fetal heart sound broadcast unit by loudspeaker or Earphone exports fetal heart sound.
- 2. the ultrasound Doppler fetal heart rate detector according to claim 1 that can detect and record automatically movement of the foetus, its feature exist In：A display unit or output device are provided with the host, can show that the F/A of reaction fetal movements situation is bent Line chart, movement of the foetus information can be marked on F/A curve map, can show that movement of the foetus number can simultaneously realize automatic counting.
- 3. the ultrasound Doppler fetal heart rate detector according to claim 1 that can detect and record automatically movement of the foetus, its feature exist In：The ultrasonic probe is 1-13 pieces using ultrasonic wave number of wafers, wafer diameter 8-35mm, and ultrasound works frequency is 0.8-3.5MHz。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620831699.0U CN207341769U (en) | 2016-08-03 | 2016-08-03 | A kind of ultrasound Doppler fetal heart rate detector that can detect and record automatically movement of the foetus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620831699.0U CN207341769U (en) | 2016-08-03 | 2016-08-03 | A kind of ultrasound Doppler fetal heart rate detector that can detect and record automatically movement of the foetus |
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| Publication Number | Publication Date |
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| CN207341769U true CN207341769U (en) | 2018-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620831699.0U Active CN207341769U (en) | 2016-08-03 | 2016-08-03 | A kind of ultrasound Doppler fetal heart rate detector that can detect and record automatically movement of the foetus |
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| CN (1) | CN207341769U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113208652A (en) * | 2020-02-05 | 2021-08-06 | 深圳市理邦精密仪器股份有限公司 | Method and device for monitoring fetal activity state and medical equipment |
| CN113825450A (en) * | 2019-04-24 | 2021-12-21 | 皇家飞利浦有限公司 | Fetal ultrasonic processing unit for separating centrifugal rate signals |
-
2016
- 2016-08-03 CN CN201620831699.0U patent/CN207341769U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113825450A (en) * | 2019-04-24 | 2021-12-21 | 皇家飞利浦有限公司 | Fetal ultrasonic processing unit for separating centrifugal rate signals |
| CN113208652A (en) * | 2020-02-05 | 2021-08-06 | 深圳市理邦精密仪器股份有限公司 | Method and device for monitoring fetal activity state and medical equipment |
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