CN208725754U - A kind of the fetal rhythm monitoring device and its system of more acquisition probes - Google Patents

A kind of the fetal rhythm monitoring device and its system of more acquisition probes Download PDF

Info

Publication number
CN208725754U
CN208725754U CN201820410595.1U CN201820410595U CN208725754U CN 208725754 U CN208725754 U CN 208725754U CN 201820410595 U CN201820410595 U CN 201820410595U CN 208725754 U CN208725754 U CN 208725754U
Authority
CN
China
Prior art keywords
module
probe
fetal rhythm
monitoring device
acquisition
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
Application number
CN201820410595.1U
Other languages
Chinese (zh)
Inventor
黄平
刘斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Corelle Medical Polytron Technologies Inc
Original Assignee
Shenzhen Corelle Medical Polytron Technologies Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Corelle Medical Polytron Technologies Inc filed Critical Shenzhen Corelle Medical Polytron Technologies Inc
Priority to CN201820410595.1U priority Critical patent/CN208725754U/en
Application granted granted Critical
Publication of CN208725754U publication Critical patent/CN208725754U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

The utility model provides the fetal rhythm monitoring device and its system of a kind of more acquisition probes, the fetal rhythm monitoring device includes: host and at least one set of fetal rhythm acquisition probe, each group of fetal rhythm acquisition probe includes the first probe and the second probe, and second probe is connected to the host by first probe;First probe includes the first chipset, first microprocessor module and first data transmission module, and first chipset and first data transmission module are connected with the first microprocessor module respectively.The utility model covers fetal rhythm position that may be present by multiple probes, and heart rate can be accurately detected lie changes in monitoring process, to effectively reduce the trouble of doctor or pregnant woman operationally, reduce the error rate of monitoring result, the operation that pregnant woman also can be convenient outside institute, and small and exquisite frivolous, monitoring while can be realized twins, triplet and triplet above multiparity, it is restricted to reduce the activity of pregnant woman in monitoring process.

Description

A kind of the fetal rhythm monitoring device and its system of more acquisition probes
Technical field
The utility model relates to a kind of fetal rhythm monitoring device more particularly to a kind of fetal rhythm monitoring device of more acquisition probes, And be related to include the fetal rhythm monitoring device of more acquisition probes fetal rhythm monitoring system.
Background technique
The purpose of fetal monitoring is protection fetus in entire gravidic normal growth and development, fetus of eliminating the effects of the act in time Various factors, until full-term pregnancy can give birth to safely health, the good newborn of intellectual development, it is various in restricted population The birth and procreation of adverse factor.Electronic fatal monitoring is to assess the one of fetal in utero state by the variation of monitoring Fetal Heart Rate The common fetus monitoring method of kind, to take further measures in time, is helped its object is to find intrauterine fetal anoxia in time In improving delivery of fetus quality, neonatal ratio of defects and the death rate are reduced, is the big event checked in the pregnancy period.
The fetal heart monitoring equipment that Hospitals at Present uses mainly uses doppler technique, is measured using a ultrasonic probe Fetal heart frequency (equipment that can guard twins uses two ultrasonic probes) finds best monitoring position (alignment tire by medical staff The region of youngster's heart), ultrasonic Doppler transducer is fixed on by her abdominal by bandage and carries out fetal rhythm monitoring.Doppler ultrasound prison The principle of survey is to emit ultrasonic wave to heart of fetus position, when ultrasonic wave encounters the heart of movement and reflects, due to Doppler The frequency of effect, echo will change, by calculating available fetal heart frequency.Doppler technique can be visited effectively The faint heartbeat of fetus is surveyed, it is with high accuracy to fetal heart frequency, therefore be widely applied in fetal rhythm monitoring.
But since development of fetus is not complete enough, heartbeat is not strong enough and position is not easy the factors such as determining, It is required that medical staff has clinical experience abundant.In movement of the foetus or birth process, the position of fetal rhythm can change, may The coverage area of ultrasonic probe can be removed, signal is deteriorated, and influences care quality, it is therefore desirable to which medical staff relocates fetal rhythm simultaneously Adjustment probe positions in time, increase the difficulty of monitoring in this way, have aggravated the workload of medical staff.
In addition, the movement due to pregnant woman may also will lead to probe-shift, if probe cannot timely be found and be adjusted, It is invalid to will lead to this monitoring result, needs to guard again, extends the monitoring time;In addition, the fetal rhythm position of different pregnant woman is not Together, may be also different in the fetal rhythm position of different time, pregnant woman it is inexperienced, there is no physician guidance in the case where, be difficult to look for Quasi- fetal rhythm position.Pregnant woman can not know that instrument improper use or foetus health occur when monitoring is less than fetal heart rate signal Problem causes pregnant woman to generate psychological pressure, also affects popularization of the fetal monitoring equipment outside institute.
Summary of the invention
Technical problem to be solved in the utility model is to need to provide a kind of small volume and less weight, and there is Multi probe to acquire function Can, it is easy to operate, and the fetal rhythm monitoring device of multiparity can be guarded simultaneously, furthermore providing includes more acquisition probes Fetal rhythm monitoring device fetal rhythm monitor system.
In this regard, the utility model provides a kind of fetal rhythm monitoring device of more acquisition probes, comprising: host and at least one set of tire Heart acquisition probe, each group of fetal rhythm acquisition probe include the first probe and the second probe, and second probe passes through described first Probe is connected to the host;First probe includes the first chipset, first microprocessor module and first data transmission Module, first chipset and first data transmission module are connected with the first microprocessor module respectively.
Further improvement of the utility model is that second probe includes being connected respectively with first probe Second chipset and power supply module.
Further improvement of the utility model is that the power supply module includes the second rechargeable battery.
Further improvement of the utility model is that the case surface of first probe and the second probe is convex arc Face;The inner housing surface of first probe and the second probe is plane.
Further improvement of the utility model is that the first data transmission module is wireless transport module.
Further improvement of the utility model is that first probe further includes oscillator and driving circuit, the vibration It swings device and first chipset is connected to by the driving circuit.
Further improvement of the utility model is that first probe further includes receiving amplifying circuit, demodulator circuit, putting Big filter circuit and the power supply circuit for realizing power supply, first chipset are connected to institute by the reception amplifying circuit Demodulator circuit is stated, the demodulator circuit is connected to the first microprocessor module by the filtering and amplifying circuit.
Further improvement of the utility model is that the host includes the second data transmission module, the second microprocessor Module, display module, memory module, print module, communication module and power module, the first data transmission module pass through institute It states the second data transmission module and is connected to second microprocessor module, second microprocessor module is shown with described respectively Show that module, memory module, print module, communication module are connected with power module.
Further improvement of the utility model is that the host further includes ultrasound emission power control module, described super Sound emission power control module is connected with second microprocessor module;The power module include the first rechargeable battery and Charging module, first rechargeable battery are connected with the charging module.
The utility model also provides a kind of fetal rhythm monitoring system of more acquisition probes, includes that more acquisitions as described above are visited The fetal rhythm monitoring device of head.
Compared with prior art, each the utility model has the beneficial effects that: including at least one set of fetal rhythm acquisition probe Group fetal rhythm acquisition probe includes the first probe and the second probe, and then covers tire that may be present by multiple fetal rhythm acquisition probes Heart position, the operation that pregnant woman also can be convenient outside institute;And it can be quasi- lie changes in monitoring process Really detection heart rate reduces the error rate of monitoring result to effectively reduce the trouble of doctor or pregnant woman operationally;Also, institute It states the second probe and the host is connected to by first probe, that is to say, that the power supply in same group of fetal rhythm acquisition probe Module, processor, transmission module and circuit are located in two probes and can share, and then effectively reduce its volume, It ensure that the small volume and less weight of probe;On this basis, the case surface of first probe and the second probe is convex-shaped arc surface, The transmitting and receiving range of ultrasonic sound field can effectively be expanded, and further decrease the size of ultrasonic probe;The utility model Monitoring while twins, triplet and triplet above multiparity, and the limitation of activity of pregnant woman in monitoring process may be implemented Property processed is obviously reduced;Further, the first data transmission module is wireless transport module, then fetal rhythm acquisition probe and master Data transmission between machine can be wireless transmission method, the not constraint of connecting line.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model;
Fig. 2 is a kind of the first probe of embodiment of the utility model and the sonde configuration schematic diagram of the second probe;
Fig. 3 is a kind of detailed construction schematic diagram of embodiment of the utility model;
Fig. 4 is a kind of workflow schematic diagram of the embodiment of the utility model when monitoring single tire;
Fig. 5 is a kind of workflow schematic diagram of the embodiment of the utility model when monitoring twins.
Specific embodiment
With reference to the accompanying drawing, the preferably embodiment of the utility model is described in further detail.
As shown in figures 1 and 3, this example provides a kind of fetal rhythm monitoring device of more acquisition probes, comprising: host 1 and at least One group of fetal rhythm acquisition probe, each group of fetal rhythm acquisition probe include the first probe 2 and the second probe 3, and second probe 3 passes through First probe 2 is connected to the host 1;First probe 2 includes the first chipset 201, first microprocessor module 202 and first data transmission module 203, first chipset 201 and first data transmission module 203 are respectively with described first Microprocessor module 202 is connected.
First microprocessor module 202 described in this example is used to control the internal wafer group of the first probe 2 and the second probe 3 The work of (the first chipset 201 and the second chipset 301), and handle the first probe 2 and the second 3 signals collected of probe; The signal of 3 acquisition of first probe 2 and the second probe is by the first data transmission module 203 of the first probe 2 to be transmitted to Host 1 is stated, transmission is preferably wireless mode, i.e., the described first data transmission module 203 is preferably wireless transport module.It is described First probe 2 and second probe 3 between can by directly by conducting wire or data line etc. in a manner of connect.
As shown in figure 3, the second probe 3 described in this example includes the second chipset being connected respectively with first probe 2 301 and power supply module 302, specifically, second chipset 301 is connect with the oscillator 204 in first probe 2;Institute It states power supply module 302 to be connected with the power supply circuit 209 in first probe 2, to realize power supply;The power supply module 302 The second rechargeable battery is preferably included, charging and power supply are easy to implement, which is the first probe 2 and the second probe 3 Work provide power supply.
Therefore, the second rechargeable battery of power supply module 302 described in this example is arranged in first microprocessor module 202 In two probes, that is, it is arranged in the second probe 3 and the first probe 1, and then the volume of probe can be effectively reduced, realizes Small and exquisite and frivolous design.Fetal rhythm acquisition probe described in this example is preferably using fixed forms such as stickup or bandages.
As shown in Fig. 2, the case surface of the first probe 2 described in this example is convex-shaped arc surface;The inner casing table of first probe 2 Face is the plane for placing the first chipset 201;Similarly, the case surface of second probe 3 is also convex-shaped arc surface;It is described The inner housing surface of second probe 3 is also the plane for placing the second chipset 301;First chipset 201 and second is brilliant Piece group 301 preferably uses piezoelectric ceramic piece, and the quantity of chip is at least 2, and 2 or more chips are uniformly placed on it On inner housing surface.The piezoelectric ceramic piece can be any one in round, sector or bar shaped.
As shown in figure 3, the first probe 2 described in this example further includes oscillator 204, driving circuit 205, receives amplifying circuit 206, demodulator circuit 207, filtering and amplifying circuit 208 and the power supply circuit 209 for realizing power supply, the oscillator 204 pass through The driving circuit 205 is connected to first chipset 201;First chipset 201 passes through the reception amplifying circuit 206 are connected to the demodulator circuit 207, and the demodulator circuit 207 is connected to described first by the filtering and amplifying circuit 208 Microprocessor module 202;The power supply circuit 209 and first chipset 201, the number of first microprocessor module 202, first According to transmission module 203, oscillator 204, driving circuit 205, receive amplifying circuit 206, demodulator circuit 207 and filtering and amplifying circuit 208 are all connected with, to realize power supply.
The work of oscillator 204 described in this example control driving circuit 205 and demodulator circuit 207;The driving circuit 205 is controlled Chipset (the first chipset 201 and the second chipset 301) in system the first probe 2 and the second probe 3 sends doppler ultrasound Wave;The amplifying circuit 206 that receives is to chipset (the first chipset 201 and the second crystalline substance in the first probe 2 and the second probe 3 Piece group 301) the received doppler ultrasound of institute amplifies processing;The demodulator circuit 207 is to the reception amplifying circuit 206 The signal transmitted is demodulated;The filtering and amplifying circuit 208 amplifies demodulated signal and filtering processing obtains the first mould Quasi- signal and the second analog signal, send to the first microprocessor module 202, count through the first microprocessor module 202 The second Fetal Heart Rate that the second probe 3 measures and the first Fetal Heart Rate that the first probe 2 measures are obtained after calculation, are protected when carrying out single fetal monitoring When, the first Fetal Heart Rate is identical as the second Fetal Heart Rate, and when carrying out twins monitoring, the first Fetal Heart Rate can be identical with the second Fetal Heart Rate It is (two probes detect the same fetal rhythm) or different (two probes detect first fetal rhythm and second fetal rhythm respectively), The Fetal Heart Rate or the first probe 2 and second of the selection of first microprocessor module 202 first probe 2 or the second probe 3 are visited First 3 Fetal Heart Rate is as Fetal Heart Rate as a result, the first data transmission module 203 is by fetal heart sound audio signal and Fetal Heart Rate result The host 1 is sent in a manner of wireless transmission etc..The power supply circuit 209 is other element circuit (packets in the first probe 2 Include oscillator 204) steady dc voltage is provided.
As shown in figure 3, host 1 described in this example includes the second data transmission module 101, the second microprocessor module 102, shows Show module 103, memory module 104, print module 105, communication module 106 and power module 107, the first data transmission mould Block 203 is connected to second microprocessor module 102, second micro process by second data transmission module 101 Device module 102 respectively with the display module 103, memory module 104, print module 105, communication module 106 and power module 107 are connected.
Second data transmission module 101 described in this example preferably includes wireless communication interface module, and then it is super to receive Doppler The fetal rhythm voice signal and fetal heart rate data that sonic probe transmits.Second microprocessor module 102 preferably passes through wireless telecommunications Interface module obtains real-time fetal rhythm voice signal and fetal heart rate data, while carrying out control instruction to probe, for example control surpasses Sound emission power, probe power consumption and probe operating mode etc.;And fetal rhythm voice signal and fetal heart rate data are transmitted to described aobvious Show the wire/wireless networking module of module 103, memory module 104, print module 105 and communication module 106, and then passes through The wire/wireless networking module of the communication module 106 can be by 1 networking of host.
Display module 103 described in this example is used to show fetal rhythm rate score, system information, such as battery capacity, wireless connection shape State, storage space information etc..The memory module 104 is for storing information, signal, data and analysis result etc..The communication Module 106 includes wired/wireless networking module, and then by wired or wireless mode by 1 networking of host.The print module 105 belong to optional module in practical applications, for type information, signal, data and analysis result etc..
Preferably, host 1 described in this example further includes ultrasound emission power control module, the ultrasound emission power control mould Block is connected with second microprocessor module 102, so that the ultrasound emission power of the first probe 2 and the second probe 3 It is adjustable controllable.The power module 107 preferably includes the first rechargeable battery and charging module, first rechargeable battery with it is described Charging module is connected, first rechargeable battery respectively with second data transmission module 101, the second microprocessor module 102, display module 103, memory module 104, print module 105 and communication module 106 are connected, to realize power supply;It is described First rechargeable battery is that host 1 provides electric energy needed for work;Charging module provides charging for the first rechargeable battery, can be wireless Charging modes are also possible to wired charging method.
This example also provides a kind of fetal rhythm monitoring system of more acquisition probes, includes the tire of more acquisition probes as described above Heart monitoring device.
As shown in Figure 4 and Figure 5, this example will carry out its workflow to use one group of fetal rhythm ultrasound acquisition to pop one's head in for example Illustrate, in practical applications, two groups and fetal rhythm acquisition probe more than two can also be used simultaneously.
Firstly, the first probe 2 and the second probe 3 are fixed on her abdominal corresponding position, start to acquire.
When monitoring single tire, as shown in figure 4, step 1, calculates separately the first probe 2 and the second probe 3 collected first Signal quality index QA and second signal performance figure QB;Step 2, compare the first signal quality index QA and second signal quality Index QB chooses the optimal probe of signal quality;Step 3, the signal of selected probe acquisition is analyzed and processed to obtain fetal rhythm Rate;Step 4, after reaching scheduled duration T, step 1 is skipped to.
When monitoring twins, as shown in figure 5, step 1 ', judge first probe 2 and second probe 3 it is collected whether be The fetal heart rate signal of the same fetus, if it is the fetal heart rate signal of the same fetus, then with the workflow of above-mentioned monitoring list tire, such as Fruit is the fetal heart rate signal of two fetuses, then step 2 when continuing to monitor twins ';Step 2 ', analysis processing first is popped one's head in respectively 2 and second probe 3 signals collected, obtain the Fetal Heart Rate of first fetus and second fetus;Step 3 ', it is predetermined when reaching After duration T, step 1 is skipped to '.
In monitoring process, the order for stopping monitoring such as being received, then stops the work of fetal rhythm acquisition probe.
To sum up, this example includes at least one set of fetal rhythm acquisition probe, and each group of fetal rhythm acquisition probe includes the first probe 2 and the Two probes 3, and then fetal rhythm position that may be present is covered by multiple fetal rhythm acquisition probes, what pregnant woman also can be convenient outside institute Operation;And heart rate can be accurately detected lie changes in monitoring process, thus effectively reduce doctor or The trouble of pregnant woman operationally reduces the error rate of monitoring result;Also, second probe 3 is connected by first probe 2 It is connected to the host 1, that is to say, that power supply module, processor, transmission module and circuit in same group of fetal rhythm acquisition probe It is located in two probes and can share, and then effectively reduce its volume, ensure that the small volume and less weight of probe;It is basic herein On, the case surface of first probe 2 and the second probe 3 is convex-shaped arc surface, can effectively expand the hair of ultrasonic sound field It penetrates and range of receiving, and further decreases the size of ultrasonic probe.
Monitoring while twins, triplet and triplet above multiparity may be implemented in this example, and pregnant woman is in monitoring process In active receiving restricted be obviously reduced;Further, the first data transmission module 203 is wireless transport module, then Data transmission between fetal rhythm acquisition probe and host 1 can be wireless transmission method, the not constraint of connecting line.
The specific embodiment of the above is the better embodiment of the utility model, and it is practical new not to limit this with this The specific implementation range of type, the scope of the utility model includes being not limited to present embodiment, all according to the utility model Shape, structure made by equivalence changes it is within the protection scope of the present utility model.

Claims (10)

1. a kind of fetal rhythm monitoring device of more acquisition probes characterized by comprising host and at least one set of fetal rhythm acquisition are visited Head, each group of fetal rhythm acquisition probe include the first probe and the second probe, and second probe passes through the first probe connection To the host;First probe includes the first chipset, first microprocessor module and first data transmission module, described First chipset and first data transmission module are connected with the first microprocessor module respectively.
2. the fetal rhythm monitoring device of more acquisition probes according to claim 1, which is characterized in that described second, which pops one's head in, includes The second chipset and power supply module being connected respectively with first probe.
3. the fetal rhythm monitoring device of more acquisition probes according to claim 2, which is characterized in that the power supply module includes Second rechargeable battery.
4. according to claim 1 to the fetal rhythm monitoring device of more acquisition probes described in 3 any one, which is characterized in that described The case surface of first probe and the second probe is convex-shaped arc surface;Described first pops one's head in is with the inner housing surface of the second probe Plane.
5. according to claim 1 to the fetal rhythm monitoring device of more acquisition probes described in 3 any one, which is characterized in that described First data transmission module is wireless transport module.
6. according to claim 1 to the fetal rhythm monitoring device of more acquisition probes described in 3 any one, which is characterized in that described First probe further includes oscillator and driving circuit, and the oscillator is connected to first chip by the driving circuit Group.
7. the fetal rhythm monitoring device of more acquisition probes according to claim 6, which is characterized in that first probe also wraps It includes and receives amplifying circuit, demodulator circuit, filtering and amplifying circuit and the power supply circuit for realizing power supply, first chipset is logical It crosses the reception amplifying circuit and is connected to the demodulator circuit, the demodulator circuit is connected to institute by the filtering and amplifying circuit State first microprocessor module.
8. according to claim 1 to the fetal rhythm monitoring device of more acquisition probes described in 3 any one, which is characterized in that described Host includes the second data transmission module, the second microprocessor module, display module, memory module, print module, communication module And power module, the first data transmission module are connected to second microprocessor by second data transmission module Module, second microprocessor module respectively with the display module, memory module, print module, communication module and power supply Module is connected.
9. the fetal rhythm monitoring device of more acquisition probes according to claim 8, which is characterized in that the host further includes surpassing Sound emission power control module, the ultrasound emission power control module are connected with second microprocessor module;It is described Power module includes the first rechargeable battery and charging module, and charging module described in first rechargeable battery is connected.
10. a kind of fetal rhythm of more acquisition probes monitors system, which is characterized in that include such as claim 1 to 9 any one institute The fetal rhythm monitoring device for the more acquisition probes stated.
CN201820410595.1U 2018-03-26 2018-03-26 A kind of the fetal rhythm monitoring device and its system of more acquisition probes Active CN208725754U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820410595.1U CN208725754U (en) 2018-03-26 2018-03-26 A kind of the fetal rhythm monitoring device and its system of more acquisition probes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820410595.1U CN208725754U (en) 2018-03-26 2018-03-26 A kind of the fetal rhythm monitoring device and its system of more acquisition probes

Publications (1)

Publication Number Publication Date
CN208725754U true CN208725754U (en) 2019-04-12

Family

ID=66023470

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820410595.1U Active CN208725754U (en) 2018-03-26 2018-03-26 A kind of the fetal rhythm monitoring device and its system of more acquisition probes

Country Status (1)

Country Link
CN (1) CN208725754U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109998535A (en) * 2019-04-30 2019-07-12 索思(苏州)医疗科技有限公司 A kind of wearable Fetal ECG monitoring device
CN110584655A (en) * 2019-10-18 2019-12-20 索思(苏州)医疗科技有限公司 Wearable electrocardiogram monitoring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109998535A (en) * 2019-04-30 2019-07-12 索思(苏州)医疗科技有限公司 A kind of wearable Fetal ECG monitoring device
CN110584655A (en) * 2019-10-18 2019-12-20 索思(苏州)医疗科技有限公司 Wearable electrocardiogram monitoring device

Similar Documents

Publication Publication Date Title
EP2421442B1 (en) Fetal monitoring device
CN105934202A (en) A fetal heart rate monitoring system
CN104887269B (en) A kind of wearable fetal monitor
CN208725754U (en) A kind of the fetal rhythm monitoring device and its system of more acquisition probes
CN204410837U (en) A kind of fetal monitoring ultrasonic probe with maternal heart rate measuring ability
KR20220111251A (en) Methods and devices for monitoring fetal heartbeat and uterine contraction signals
CN105852909B (en) A kind of Intelligence Ultrasound wave sensor and its monitoring method for fetal heart monitoring
CN108065940A (en) Continuous blood oxygen saturation rhythm of the heart ring with alarm
CN103251402B (en) A kind of moveable measurement electrode assembly for fetal heart monitoring
CN104887240B (en) A kind of method and cardiechema signals monitoring device for monitoring cardiechema signals
CN105361907A (en) Carotid duplex ultrasound hemodynamic monitor
Hata et al. Ultrasonographic measurement of the fetal transverse cerebellum in utero
US20200029930A1 (en) Electronic system for foetal monitoring
CN104905819A (en) Conformal fetal heart monitoring sensor and work method thereof
CN210541622U (en) Fetal heart monitoring device with movable bandage
TW201634004A (en) Wearable hybrid blood vessel flow velocity detector
Karlsson et al. The DopFet system: a new ultrasonic Doppler system for monitoring and characterization of fetal movement
CN112089441A (en) Wireless fetal heart monitoring equipment
CN112957072A (en) Wearable ultrasonic monitoring system for bladder urine volume
CN203314957U (en) Fetal heart monitor
CN204207771U (en) A kind of tire sound monitor system based on smart mobile terminal platform
CN213372121U (en) Wireless fetal heart monitoring equipment
CN110292363A (en) A kind of uterine cavity temperature recorder
CN220917431U (en) Ultrasonic volume detection system
CN221013310U (en) Wearable ultrasonic Doppler blood flow monitoring system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant