CN104825193A - Integrated Doppler fetal heart instrument capable of extended application - Google Patents
Integrated Doppler fetal heart instrument capable of extended application Download PDFInfo
- Publication number
- CN104825193A CN104825193A CN201510162258.6A CN201510162258A CN104825193A CN 104825193 A CN104825193 A CN 104825193A CN 201510162258 A CN201510162258 A CN 201510162258A CN 104825193 A CN104825193 A CN 104825193A
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- earphone interface
- interface module
- expanded application
- fetal heart
- application terminal
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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
- A61B8/02—Measuring pulse or heart rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4411—Device being modular
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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
- A61B8/48—Diagnostic techniques
- A61B8/488—Diagnostic techniques involving Doppler signals
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Cardiology (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
The invention discloses an integrated Doppler fetal heart instrument capable of extended application, which comprises an earphone interface module, and an ultrasonic transducer, a sound amplifying signal circuit, a high-low channel filter circuit, an analog switch and an audio amplifying module connected in sequence, wherein one end of the earphone interface module is connected with the analog switch, and the other end is connected with an extended application terminal; fetal heart sound signals acquired by the ultrasonic transducer sequentially pass through the sound amplifying signal circuit, the high-low channel filter circuit, the analog switch and the audio amplifying module, and the audio amplifying module plays the fetal heart sound signals; the earphone interface module detects signals of the extended application terminal and controls the analog switch, the amplified sound signals are sent to the extended application terminal, and the extended application terminal processes the sound data. According to the fetal heart instrument, fetal heart sound can be detected, the fetal heart instrument can be connected with the extended application terminal for sorting and analyzing acquired data, the use is convenient, and the cost is low.
Description
Technical field
The present invention relates to a kind of integral type doppler baby ' s heart instrument carrying out expanded application, for monitoring Fetal Heart Rate, belonging to technical field of medical instruments.
Background technology
Fetus-voice meter is a kind of Medical Instruments, is used for detecting fetal heartbeat, tire tone signal faint for fetus is amplified, people can be easy to hear, according to specialist medical knowledge, can judge that whether fetus is normal by Fetal Heart Rate or instantaneous heart rate curve.
Technologically speaking, doppler baby ' s heart instrument is divided into integral type and split type two kinds, and fetal heart sound signal faint for fetus amplifies by integral type fetus-voice meter, and split type fetus-voice meter comprises probe module, date processing/display module.
Domestic fetus-voice meter popular mostly in the market is integral structure, easy to use, but only can realize the function listening to fetal heart sound.The fetus-voice meter of split-type structural, its date processing/display module is all furnished with special processor and memorizer.
Due to the difference of processing mode, user can only select the one in integral type fetus-voice meter and split type fetus-voice meter usually.
Summary of the invention
Object of the present invention, is to provide a kind of integral type doppler baby ' s heart instrument that can be realized expanded application by audio interface, in expanded application, adopts data processing technique and provides display module.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of integral type doppler baby ' s heart instrument carrying out expanded application, comprise earphone interface module and the ultrasonic transducer be connected successively, sound amplifying signal circuit, height channel filtering circuit, analog switch and audio amplification block, one end of earphone interface module is connected with analog switch, and the other end connects outside expanded application terminal; The fetal heart sound signal that ultrasonic transducer gathers is successively through sound amplifying signal circuit, height channel filtering circuit, analog switch and audio amplification block, and audio amplification block plays fetal heart sound signal; Earphone interface module detects the signal of expanded application terminal and control simulation change-over switch, and the acoustical signal after amplifying is sent to expanded application terminal, and expanded application terminal processes voice data.
Further, also comprise display lamp, described display lamp is connected with analog switch.
Further, described display lamp is LED.
Further, described earphone interface module employing diameter is the audio interface of 3.5 millimeters.
Further, described sound amplifying signal circuit adopts speaker.
Further, described earphone interface module adopts following mode of operation:
The expanded application terminal of a, earphone interface model calling outside, when earphone interface module is as output function, the fetal heart sound signal of fetus-voice meter passes through earphone interface module transfer to expanded application terminal; When earphone interface module is as input function, the acoustical signal of expanded application terminal, and to be played sound signal by audio amplification block to fetus-voice meter by earphone interface module transfer;
B, earphone interface model calling earphone cord, now earphone interface module makes analog switch switching working mode, and described fetal heart sound signal exports to earphone;
C, earphone interface module do not connect any connecting line, and now earphone interface module makes the duty of analog switch connect audio frequency amplifier to carry out the outer of acoustical signal and put.
After adopting such scheme, the integral type doppler baby ' s heart instrument carrying out expanded application of the present invention can in conjunction with the function of traditional integral type fetus-voice meter and split type fetus-voice meter, tire sound can not only be detected, but also expanded application terminal can be connected the related data collected is arranged and analyzed, easy to use, cost is low.
Accompanying drawing explanation
Fig. 1 is integrated stand composition of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing, technical scheme of the present invention is described in detail.
As shown in Figure 1, a kind of integral type doppler baby ' s heart instrument carrying out expanded application comprises earphone interface module and the ultrasonic transducer be connected successively, sound amplifying signal circuit, height channel filtering circuit, analog switch and audio amplification block, one end of earphone interface module is connected with analog switch, and the other end connects outside expanded application terminal.
Ultrasonic transducer gathers fetal heart sound signal successively through sound amplifying signal circuit, height channel filtering circuit, analog switch and audio amplification block, and audio amplification block plays fetal heart sound signal; Earphone interface module detects the signal of expanded application terminal and control simulation change-over switch, and the acoustical signal after amplifying is sent to expanded application terminal, and expanded application terminal processes voice data.
Sound amplifying signal circuit adopts speaker, and user can listen to fetal heart sound with earphone, also can listening to fetal heart sound by putting outward, at the acoustical signal that expanded application terminal processes is crossed, also can pass back to ultrasonic probe and playing.The acoustical signal of expanded application terminal, passes back to described fetus-voice meter and pacifies and education function to realize fetus, can realize Fetal Heart Rate warning function simultaneously.
Described earphone interface module employing diameter is the audio interface of 3.5 millimeters.
Described fetus-voice meter also comprises display lamp, and described display lamp is connected with analog switch.Described display lamp is LED.When described fetus-voice meter is when working, it is luminous that analog switch controls display lamp.
Composition graphs 1, in the preferred embodiment, the height channel filtering circuit of described fetus-voice meter adopts model to be the operational amplifier of TLC2274, low noise, gain bandwidth 1.8MHZ.Analog switch is CD4053, and audio amplification block is the audio frequency amplifier of LM386, and earphone interface module is four-way socket, and described tone frequency channel wire is four joint tone frequency channel wires (left and right acoustic channels, ground, Mikes).
Described fetus-voice meter also comprises 9v battery, shutoff can be opened by rotary switch, power to analog switch CD4053 and audio frequency amplifier LM386, be transformed into 6v by audion 8050 when the 9v of power supply opens and power to operational amplifier TLC2274 and audio frequency amplifier LM324.What described battery adopted is alkaline battery 9v energy back-up system continuous operation 8 hours, provides the normal working voltage of system.
Described earphone interface module adopts following mode of operation:
The expanded application terminal of a, earphone interface model calling outside, when earphone interface module is as output function, the fetal heart sound signal of fetus-voice meter passes through earphone interface module transfer to expanded application terminal; When earphone interface module is as input function, the acoustical signal of expanded application terminal, and to be played sound signal by audio amplification block to fetus-voice meter by earphone interface module transfer;
B, earphone interface model calling earphone cord, now earphone interface module makes analog switch switching working mode, and described fetal heart sound signal exports to earphone;
C, earphone interface module do not connect any connecting line, and now earphone interface module makes the duty of analog switch connect audio frequency amplifier to carry out the outer of acoustical signal and put.
Embodiment 1: conceived 20 weeks of certain anemia of pregnant woman, ultrasonic transducer collects fetal heart sound signal, heart beat rhythm is 148 beats/min, earphone interface module detects that integral type doppler baby ' s heart instrument has been connected to expanded application terminal, fetal heart sound signal is transferred to expanded application terminal by tone frequency channel wire by earphone interface module, expanded application terminal one example is APP, fetal heart sound signal processes by APP, be converted to digital signal display, fetal heart sound signal is transferred to sound amplifying signal circuit to amplify simultaneously, user can observe fetal rhythm data by APP, fetal heart sound can be heard simultaneously.
Embodiment 2: conceived 20 weeks of certain anemia of pregnant woman, ultrasonic transducer collects fetal heart sound signal, the instantaneous Fetal Heart Rate detected has for several times more than 160 beats/min (normal tire heart rate range is 120 beats/min-160 beats/min), when Fetal Heart Rate finds when expanded application terminal processes to have exceeded normal range, alarm signal will be added in fetal heart sound signal, input described fetus-voice meter, speaker plays fetal heart sound signal and alerting signal simultaneously, and prompting anemia of pregnant woman notes.
Embodiment 3: certain anemia of pregnant woman the pregnancy period by fetus-voice meter equipment collect fetus in abdomen time sound, as the heartbeat of anemia of pregnant woman oneself, expanded application terminal is stored into after output, after baby due in one month, fetus-voice meter described in the Speech input of storage can be play, for newborn baby manufactures familiar environment, realize pacifying function.
The integral type doppler baby ' s heart instrument carrying out expanded application of the present invention can in conjunction with the function of traditional integral type fetus-voice meter and split type fetus-voice meter, fetal heart sound can not only be detected, but also expanded application terminal can be connected the related data collected is arranged and analyzed, easy to use, cost is low.
Audio interface is used to obtain fetal heart sound information, have the following advantages: the electric interfaces standard of most of intelligent terminal's audio interface is unified, interchangeability, versatility are good, the present invention is made to be easy to universal, the electric property of audio interface is stablized, and capacity of resisting disturbance is strong, and joint geometry is axial symmetry, anti-inserted without the need to worrying, connect good mechanical property; Audio interface not only can transmit audio signal, can also bidirectional transmission of digital signal.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (6)
1. one kind can be carried out the integral type doppler baby ' s heart instrument of expanded application, it is characterized in that: comprise earphone interface module and the ultrasonic transducer be connected successively, sound amplifying signal circuit, height channel filtering circuit, analog switch and audio amplification block, one end of earphone interface module is connected with analog switch, and the other end connects outside expanded application terminal; The fetal heart sound signal that ultrasonic transducer gathers is successively through sound amplifying signal circuit, height channel filtering circuit, analog switch and audio amplification block, and audio amplification block plays fetal heart sound signal; Earphone interface module detects the signal of expanded application terminal and control simulation change-over switch, and the acoustical signal after amplifying is sent to expanded application terminal, and expanded application terminal processes voice data.
2. can carry out the integral type doppler baby ' s heart instrument of expanded application as claimed in claim 1, it is characterized in that: also comprise display lamp, described display lamp is connected with analog switch.
3. can carry out the integral type doppler baby ' s heart instrument of expanded application as claimed in claim 2, it is characterized in that: described display lamp is LED.
4. can carry out the integral type doppler baby ' s heart instrument of expanded application as claimed in claim 1, it is characterized in that: described earphone interface module employing diameter is the audio interface of 3.5 millimeters.
5. can carry out the integral type doppler baby ' s heart instrument of expanded application as claimed in claim 1, it is characterized in that: described sound amplifying signal circuit adopts speaker.
6. can carry out the integral type doppler baby ' s heart instrument of expanded application as claimed in claim 1, it is characterized in that: described earphone interface module adopts following mode of operation:
The expanded application terminal of a, earphone interface model calling outside, when earphone interface module is as output function, the fetal heart sound signal of fetus-voice meter passes through earphone interface module transfer to expanded application terminal; When earphone interface module is as input function, the acoustical signal of expanded application terminal, and to be played sound signal by audio amplification block to fetus-voice meter by earphone interface module transfer;
B, earphone interface model calling earphone cord, now earphone interface module makes analog switch switching working mode, and described fetal heart sound signal exports to earphone;
C, earphone interface module do not connect any connecting line, and now earphone interface module makes the duty of analog switch connect audio frequency amplifier to carry out the outer of acoustical signal and put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510162258.6A CN104825193A (en) | 2015-04-08 | 2015-04-08 | Integrated Doppler fetal heart instrument capable of extended application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510162258.6A CN104825193A (en) | 2015-04-08 | 2015-04-08 | Integrated Doppler fetal heart instrument capable of extended application |
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| Publication Number | Publication Date |
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| CN104825193A true CN104825193A (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510162258.6A Pending CN104825193A (en) | 2015-04-08 | 2015-04-08 | Integrated Doppler fetal heart instrument capable of extended application |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107320132A (en) * | 2016-04-29 | 2017-11-07 | 惠州市源医科技有限公司 | Novel pregnant period mother and infant detects and synthesizes device |
| CN113662582A (en) * | 2021-08-23 | 2021-11-19 | 深圳华声医疗技术股份有限公司 | Doppler ultrasonic diagnostic apparatus and audio play control method |
| CN116098646A (en) * | 2022-08-23 | 2023-05-12 | 广东工业大学 | Heart sound monitoring system based on flexible piezoelectric signal acquisition |
Citations (7)
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|---|---|---|---|---|
| US3780725A (en) * | 1971-03-04 | 1973-12-25 | Smith Kline Instr | Fetal heartbeat monitoring system with plural transducers in one plane and at different angles thereto |
| EP0367251A1 (en) * | 1988-11-04 | 1990-05-09 | Jürgen Prof. Dr. Morgenstern | Sensor unit for telemetry |
| CN2311900Y (en) * | 1997-12-12 | 1999-03-24 | 靳志强 | Telephone transmitting fetal heart sound information apparatus |
| CN1441608A (en) * | 2002-02-28 | 2003-09-10 | 明基电通股份有限公司 | Mobile communication capable of detecting and transceiving voice and digital data |
| CN2678569Y (en) * | 2003-11-06 | 2005-02-16 | 梁平 | Mini digital fetal gage |
| CN201743708U (en) * | 2010-08-23 | 2011-02-16 | 秦皇岛市康泰医学系统有限公司 | Antenatal training and fetal heart device with fetal heart sound, heartbeat waveform and heart rate value being stored and replayed synchronously |
| CN203898353U (en) * | 2014-01-22 | 2014-10-29 | 深圳市格朗电器有限公司 | Fetus-voice meter |
-
2015
- 2015-04-08 CN CN201510162258.6A patent/CN104825193A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3780725A (en) * | 1971-03-04 | 1973-12-25 | Smith Kline Instr | Fetal heartbeat monitoring system with plural transducers in one plane and at different angles thereto |
| EP0367251A1 (en) * | 1988-11-04 | 1990-05-09 | Jürgen Prof. Dr. Morgenstern | Sensor unit for telemetry |
| CN2311900Y (en) * | 1997-12-12 | 1999-03-24 | 靳志强 | Telephone transmitting fetal heart sound information apparatus |
| CN1441608A (en) * | 2002-02-28 | 2003-09-10 | 明基电通股份有限公司 | Mobile communication capable of detecting and transceiving voice and digital data |
| CN2678569Y (en) * | 2003-11-06 | 2005-02-16 | 梁平 | Mini digital fetal gage |
| CN201743708U (en) * | 2010-08-23 | 2011-02-16 | 秦皇岛市康泰医学系统有限公司 | Antenatal training and fetal heart device with fetal heart sound, heartbeat waveform and heart rate value being stored and replayed synchronously |
| CN203898353U (en) * | 2014-01-22 | 2014-10-29 | 深圳市格朗电器有限公司 | Fetus-voice meter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107320132A (en) * | 2016-04-29 | 2017-11-07 | 惠州市源医科技有限公司 | Novel pregnant period mother and infant detects and synthesizes device |
| CN113662582A (en) * | 2021-08-23 | 2021-11-19 | 深圳华声医疗技术股份有限公司 | Doppler ultrasonic diagnostic apparatus and audio play control method |
| CN113662582B (en) * | 2021-08-23 | 2024-02-23 | 深圳华声医疗技术股份有限公司 | Doppler ultrasonic diagnostic apparatus and audio play control method |
| CN116098646A (en) * | 2022-08-23 | 2023-05-12 | 广东工业大学 | Heart sound monitoring system based on flexible piezoelectric signal acquisition |
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Application publication date: 20150812 |