52 results about "Fetal monitors" patented technology

The invention provides an integrated patch for the non-invasive monitoring of a laboring woman. The patch incorporates biopotential electrodes for sensing fetal ECG and EMG indicative of myometrial activity. The patch also incorporates a processor for extracting labor activity and fetal heart activity after filtering out maternal ECG from the composite biopotential signal present on the abdomen of the pregnant woman. The fetal monitor patch is thin, flexible, and incorporates a battery and biopotential amplifier network. In the preferred embodiment, the patch is disposable and worn continuously during labor or later stages of pregnancy. In a hospital embodiment for intrapartum monitoring, the patch wirelessly transmits fetal heart activity and myometrial activity to a bedside monitor or a remote monitoring station.

During childbirth, trauma to the infant can readily arise, ultimately resulting in fetal hypoxia, academia, and brain damage. Such unfavorable conditions can be best ascertained by real-time monitoring of the fetus' blood-oxygen level, heart rate monitoring, EKG and EEG waveforms. This invention describes a system of monitoring devices to implement such goals and maximize the potential welfare of the fetus. It furthermore allows the formation of a reference database that can correlate intrapartum events from prior births. The embodiments utilize a small-diameter sensor inserted into the birth canal through a tubular insertion rod. Through wire, fiber optics, and or using a radio frequency link, fetal monitor data can be analyzed, compared to existing data base, and or transmitted via internet. This patent details various apparatuses that allow important life-sign parameters of a fetus to be continuously monitored.

An improved patient monitoring system is described herein. In particular, the present invention provides an improved system, method, and kit for positioning and removably mounting, often repeatedly, a monitor transducer on a patient, for example, an external fetal monitor used during pregnancy and childbirth labor. The improved system of the present invention avoids many of the disadvantages of conventional monitoring systems in that it maintains transducer position during patient movement, allows the position of the transducer to be changed without repositioning the patient, allows for simple and expeditious adjustment so as to maximize signal quality without causing patient discomfort, eliminates the need for a belt circumferentially disposed about the patient's abdomen, and can be applied to a wide array of body types, including patients having round abdomens. The system, method, and kit of the present invention is not only both efficient and effective but also economical.

The invention provides a fetal heart rate signal processing method and a device thereof. The time-domain process and the frequent-domain process are combined, so as to obtain a fetal heart rate processing method which can satisfy the real-time requirements and has better stability; and the processing method is used on a fetal monitor, so as to lead the obtained intermediate monitoring data to be more accurate. The processing method can correct some special intermediate monitoring data produced in the monitoring process, so as to lead doctors to use the corrected intermediate monitoring data as a diagnosing reference, thus greatly reducing the occurrence of errors in judging the fetal heart.

The invention relates to the technical field of medical instruments, and provides a fetal movement recognition method, fetal movement recognition equipment and a fetal monitor. The fetal movement recognition method includes: acquiring a fetal movement curve, setting a fetal movement threshold according to the fetal movement curve, and identifying whether a fetus moves or not according to amplitude values of points on the fetal movement curve and the fetal movement threshold. Compared with the prior art, the fetal movement recognition method is capable of completing fetal movement recognition by the aid of a three-step method and by comparing the amplitude values with the fetal movement threshold, and has the advantages of simplicity, less operation quantity, high accuracy and the like.

The invention discloses a wireless fetal monitoring probe management device. The wireless fetal monitoring probe management device is characterized by comprising a network access module, a storage module, a parameter setting module, a wireless communication module, a display module and a data processing module. The invention further discloses a wireless fetal monitoring probe. The wireless fetal monitoring probe is characterized by further comprising a display screen and a bed identification pattern list storage unit. The invention further discloses a fetal monitor and a wireless fetal monitoring network system based on the wireless fetal monitoring probe management device and the wireless fetal monitoring probe. The wireless fetal monitoring probe management device can be a portable wireless probe management device, and operation is more efficient. The wireless fetal monitoring network system can perform unified centralized management on the wireless fetal monitoring probes in a network, and therefore resources are convenient to integrate and allocate reasonably. Based on the wireless fetal monitoring probe management device, a user can perform centralized management on the mobile wireless fetal monitoring probes, and therefore the flexibility of the system for wireless fetal monitoring probe management is improved.

The invention relates to the technical field of medical monitoring, and specifically relates to a monitoring method and device capable of replaying fetal-heart Doppler audio signals. The method disclosed by the invention comprises the following steps of: acquiring and storing fetal-heart monitoring signals; comparing the acquired fetal-heart monitoring signals with a judgment standard, and if the comparison result is abnormal, adding an abnormal mark in the result; when a user needs to replay the fetal-heart monitoring signals, replaying the fetal-heart monitoring signals; and carrying out judgment on the abnormal state of the fetal-heart monitoring signals by the user according to the replayed fetal-heart monitoring signals, and carrying out redefinition on the mark according to the judgment result. According to the technical scheme provided by the invention, even if doctors are not beside a fetal monitor, the doctors also can replay an audio through an audio recording module to hear fetal heart sound in follow-up time in case that the fetal heart of a fetus is subjected to a complicated heartbeat situation, and then judges whether heart rate miscalculation or real fetal-heart mutation occurs according to the beat of the audio, so that the possibility of misjudgment on fetal-heart beats is greatly reduced, and the diagnosis of the doctors is facilitated.

The invention discloses a digital pulsed ultrasound transmitting device for a fetal monitor, relating to the field of medical equipment. The digital pulsed ultrasound transmitting device comprises an ultrasound probe and an ultrasound transmitting circuit which are connected with each other, wherein the ultrasound probe employs a plurality of wafers which integrates transmission and reception functions into a whole and has the transmitting frequency of 1.0 MHz, the wafers are arranged on the radiation surface of the probe uniformly. The digital pulsed ultrasound transmitting device has wide ultrasound transmission acoustic beams, and is hardly affected by fetal movement and uterine contraction during detection upon a fetal heart signal in a monitoring process, so that the monitoring result is more accurate and reliable; the transmitting circuit generates a transmission electric excitation square wave signal of 1.0 MHz by using a CPLD (Complex Programmable Logic Device) digital circuit, the transmission electric excitation square wave signal is coupled to the ultrasonic probe by a resonant amplification circuit so as to generate an ultrasonic wave of 1.0 MHz; and the digital pulsed ultrasound transmitting device is low in transmission frequency, less in attenuation in an ultrasound propagation process, strong in reflection echo, high in flexibility, low in noise, strong in anti-interference ability, and steady and reliable in performance.

An improved patient monitoring system is described herein. In particular, the present invention provides an improved system, method, and kit for positioning and removably mounting, often repeatedly, a monitor transducer on a patient, for example, an external fetal monitor used during pregnancy and childbirth labor. The improved system of the present invention avoids many of the disadvantages of conventional monitoring systems in that it maintains transducer position during patient movement, allows the position of the transducer to be changed without repositioning the patient, allows for simple and expeditious adjustment so as to maximize signal quality without causing patient discomfort, eliminates the need for a belt circumferentially disposed about the patient's abdomen, and can be applied to a wide array of body types, including patients having round abdomens. The system, method, and kit of the present invention is not only both efficient and effective but also economical.

The invention provides a management control method and system of wireless sensors for a multi-bed fetal monitor. The method includes the steps of receiving and storing status data, entering query information, performing selecting and allowing prompting. The method and the system have the advantages that residual power of all wireless sensors in a current probe charging cavity can be monitored in real time; before a doctor or a nurse needs to perform fetal monitoring on a pregnant woman, a current phase, outpatient status, expectant status or partition status, of the pregnant women is automatically recognized to automatically judge the more proper one of the wireless sensors; the doctor can select a twins state and determine whether or not a TOCO pressure probe is required; the system integrates the judgments above, turns on LED lights around the wireless sensor and reminds a user of taking the required wireless sensor, a display screen of the wireless sensor is on, and the wireless sensor is available; excess detection is avoided for the doctors or nurses, the required fetal monitoring can be performed just after the wireless sensors turned on are removed, and chances of error are slimmed.

The invention relates to the technical field of medical equipment and provides a uterine contraction pressure auto-zero method and apparatus and a fetal monitor. The method includes: acquiring a characteristic value of uterine contraction pressure in a recent period, judging whether the characteristic value falls in a preset threshold range or not, if yes, maintaining a pressure value of a current zeroing point, and if not, adjusting the pressure value of the current zeroing point. According to the method, zeroing is automatically achieved by comparing the characteristic value and the threshold range, automatic zeroing in the uterine contraction pressure measurement process is achieved, great conveniences are brought to clinical applications, and safety hazards are decreased.

The invention discloses a fetal monitoring method and system. The fetal monitoring system comprises a central station and at least one portable fetal monitor in wireless network connection with the central station, the central station records calling voice to form second voice data and transmits the second voice data to the called portable fetal monitors, the portable fetal monitors display acquired physiological information of fetus and / or pregnant women, record calling voice to form first voice data and transmit the same to be displayed, played or processed in the central station. The fetal monitoring method includes that the portable fetal monitors transmit the acquired physiological information of the fetus and / or the pregnant women and the recorded first voice data calling the central station to the central station for displaying, playing and / or processing via the wireless network; the fetal monitors receive and play the second voice data recorded by the central station and calling the portable fetal monitors. The bidirectional calling function of the fetal monitoring system provides communication channels for doctors and examinees, management is facilitated, and safety and system operating efficiency of the mobile fetal monitors are improved.

The invention discloses a fetal monitoring telemetering device, including a monitoring assembly, a fetal monitoring telemetering sub-machine, and a fetal monitoring instrument. The monitoring assemblyat least comprises an ultrasonic probe and a pressure probe. The fetal monitoring telemetering sub-machine comprises a fetal monitoring telemetering sub-machine main body. The fetal monitoring telemetering sub-machine main body is provided with a plurality of cable interfaces. The ultrasonic probe is connected with a cable interface on the fetal monitoring telemetering sub-machine main body through an ultrasonic probe cable. The pressure probe is connected with a cable interface on the fetal monitoring telemetering sub-machine main body through a pressure probe cable. The fetal monitoring instrument is connected with the fetal monitoring telemetering sub-machine through a wired or wireless manner. The invention also discloses a fetal monitoring telemetering method, and effectively reducesinfluence of wireless radiation on a fetus. When a pregnant woman does not need to move, a wired communication mode is used, to further reduce wireless radiation. When the pregnant woman needs to move, the fetal monitoring telemetering sub-machine and the fetal monitoring instrument change to the wireless communication mode, the pregnant woman carries the fetal monitoring telemetering sub-machineto move using a handheld method, to facilitate use.

The invention discloses a wired and wireless integrated fetal monitor. The wired and wireless integrated fetal monitor comprises a wireless monitoring probe, a monitoring host and a pluggable connector. The wireless monitoring probe is connected to the monitoring host through the pluggable connector, the pluggable connector is provided with first pogo pins, and the wireless monitoring probe is provided with connection contacts corresponding to the first pogo pins; and the monitoring host is provided with a plurality of magnetic connection seats, and the magnetic connection seats are provided with second pogo pins corresponding to the connection contacts. The wired and wireless integrated fetal monitor can be flexibly switched between wired and wireless connection states, and can better realize stable and long-term uninterrupted fetal monitoring work.

The invention provides a parameter configuration method and a system of a fetal monitor. The parameter configuration method and the system have the advantages that if a user wants to modify a certain item of setting of the fetal monitor, a window corresponding to the setting does not need finding on the fetal monitor, a suitable configuration item is directly chosen at a personal computer (PC) end of a center monitor system, configuration of one or all fetal monitors can be achieved automatically, manual operation is simple, and accuracy can be guaranteed.

The invention discloses a fetal monitor which comprises three electrodes, the electrodes are used for collecting ECG signals and connected with a controller; the controller comprises an ECG detectioncircuit and a bluetooth communication chip, the electrodes are connected with the ECG detection circuit which is connected with the bluetooth communication chip, and the bluetooth communication chip is connected with a data processing end through the bluetooth; the electrodes and the controller are arranged on a wearing device and worn on a human body by the wearing device. The fetal monitor usesthe ECG signals and has the advantages that the size is small, wearing is convenient, no harm is caused to the human body, the fetal monitor can be worn for a long time, and the fetal heart can be monitored automatically at any time.

The invention provides a fetal heart rate signal processing method and a device thereof. The time-domain process and the frequent-domain process are combined, so as to obtain a fetal heart rate processing method which can satisfy the real-time requirements and has better stability; and the processing method is used on a fetal monitor, so as to lead the obtained intermediate monitoring data to be more accurate. The processing method can correct some special intermediate monitoring data produced in the monitoring process, so as to lead doctors to use the corrected intermediate monitoring data as a diagnosing reference, thus greatly reducing the occurrence of errors in judging the fetal heart.

The invention relates to the technical field of medical instruments, and provides a fetal movement recognition method, fetal movement recognition equipment and a fetal monitor. The fetal movement recognition method includes: acquiring a fetal movement curve, setting a fetal movement threshold according to the fetal movement curve, and identifying whether a fetus moves or not according to amplitude values of points on the fetal movement curve and the fetal movement threshold. Compared with the prior art, the fetal movement recognition method is capable of completing fetal movement recognition by the aid of a three-step method and by comparing the amplitude values with the fetal movement threshold, and has the advantages of simplicity, less operation quantity, high accuracy and the like.

The invention relates to a network security upgrade method and system of fetal monitor software. The security upgrade of the fetal monitor software is carried out by using an original backup software method through a network. The software written in a second designation position is used as the original backup software when a fetal monitor leaves a factory, and is solidified in the system, so that the original backup software cannot be deleted. When the fetal monitor system is started, whether the latest version of the software exists in a first designation position of the system or not is detected firstly; and if the latest version of the software exists in the first designation position, the latest version of the software is started, and otherwise the original backup software is started. When the software upgrade is carried out, the fetal monitor put the latest version of the software downloaded from a central station on the first designation position of the system, so that the fetal monitor can be restarted by using the original backup software even if abnormal conditions such as accidental power interruption occur; and therefore the temporarily unavailable situation of the fetal monitor is avoided. In addition, the fetal monitor can download the latest version of the software again from a central monitoring unit through the network, so that the software upgrade is realized. Therefore, the security of the network upgrade is improved effectively by using the original backup software method.

The invention provides a management control method and system of wireless sensors for a multi-bed fetal monitor. The method includes the steps of receiving and storing status data, entering query information, performing selecting and allowing prompting. The method and the system have the advantages that residual power of all wireless sensors in a current probe charging cavity can be monitored in real time; before a doctor or a nurse needs to perform fetal monitoring on a pregnant woman, a current phase, outpatient status, expectant status or partition status, of the pregnant women is automatically recognized to automatically judge the more proper one of the wireless sensors; the doctor can select a twins state and determine whether or not a TOCO pressure probe is required; the system integrates the judgments above, turns on LED lights around the wireless sensor and reminds a user of taking the required wireless sensor, a display screen of the wireless sensor is on, and the wireless sensor is available; excess detection is avoided for the doctors or nurses, the required fetal monitoring can be performed just after the wireless sensors turned on are removed, and chances of error are slimmed.

An ultrasound transducer (10) and method of producing same takes advantage of the properties of two differing materials to optimize the transducer. More specifically, the transducer (10) has one or more emitters (12) made of lead zirconate titanate (PZT) crystals (18) that are affixed to a wearable material made of polyvinylildene fluoride (PVDF) (18). As such, the PZT crystals (18) are an effective emitter of ultrasound energy into an object and / or area of interest, such as a patient for maternal and / or fetal care monitoring, while the PVDF material (22) has a low impedance and therefore effectively receives the ultrasound energy returned from the object and / or area of interest. The PVDF material (22) comprises a wearable form factor, whereby the transducer (10) utilizes different properties of different materials and combines them into a common transducer (10).

The invention discloses an intelligent interpretation method for prenatal fetal monitoring based on a deep forest. The method comprises the following steps: scanning a preprocessed p-dimensional CTG clinical feature vector with known classification through three multi-granularity sliding windows; combining the two forest models to obtain three characterization vectors of 2m (p-d1 + 1) dimension, 2m (p-d2 + 1) dimension and 2m (p-d3 + 1) dimension, and inputting the characterization vectors into four forest models in the cascade forest stage. The cascade forest uses a feature vector after multi-granularity scanning processing as the input of a first layer, obtains a 4m-dimensional category vector through four forest models, and then splices the 4m-dimensional category vector with an original input feature vector to obtain a (4m + d1)-dimensional input feature which is used as the input feature of a next layer. According to the method, the misjudgment problem of suspicious and normal samples in the prenatal fetal monitoring intelligent interpretation model is effectively solved, the workload of medical staff is reduced, and assistance is provided for prenatal examination work of primary hospitals.

The invention relates to a portable fetal monitor. The portable fetal monitor comprises a rotary display screen and a host rotationally connected with the rotary display screen. A sliding touch screen and an operation panel are arranged on the upper end face of the host, a control system is further arranged in the host, the side face of the host is connected with a fetal heart rate detection probe, a uterine pressure detection probe, a fetal movement detection probe and an electronic sphygmomanometer arm band which are independent, and the fetal heart rate detection probe, the uterine pressure detection probe, the fetal movement detection probe and the electronic sphygmomanometer arm band are all in signal connection with the control system. The portable fetal monitor can be carried portably, is conveniently used by a pregnant woman on any occasion, and is convenient to use, the pregnant woman does not need to regularly go to a hospital for examinations, the fetus condition and the condition of the pregnant woman can be detected by the pregnant woman herself, data can be exported by the monitor itself, the data is printed or directly transmitted to a doctor, the travel trouble of the pregnant woman is reduced, the diagnosis time of the pregnant woman is shortened, detection can be carried out at any time, the pregnant woman can communicate with the doctor, and the problem of fetal abnormalities is solved in time.

The invention is suitable for the technical field of medical treatment and provides a fetal awaking method, a fetal awaking system and a fetal awaking device. The fetal awaking method comprises the following steps: a fetal monitor acquires the fetal heart rate and transmits the acquired fetal heart rate to the fetal awaking device; the fetal awaking device controls a counter to clear zero and recount when the counting of the counter reaches a first preset value, and calculates a fetal heart rate accelerator in a first preset period according to the fetal heart rate; the fetal awaking device transmits an awaking instruction to an acoustic vibration device when the fetal heart rate accelerator in the first preset period is smaller than a second preset value; the acoustic vibration device executes an acoustic vibration operation according to the awaking instruction. The fetal awaking method, the fetal awaking system and the fetal awaking device disclosed by the invention assist doctors in automatic starting and automatic ending of the fetal awaking operation when pregnant women are subjected to antenatal examination and can automatically judge awaking conditions. Compared with a mode of naked-eye observation for a fetal heart rate curve, the method, the system and the device disclosed by the invention have the advantages that the timeliness and the accuracy are realized, further the convenience for a fetal awaking mode is improved, the working intensity of the doctors is reduced, and the timely handling of fetal clinical problems is benefited.

The invention relates to a generation method and system of a digital fetal monitoring bar chart. According to the method, a fetal monitor transmits physiological parameters of a fetus to a central processing unit; a trend data forming module is used for generating trend data according to the fetal monitoring data acquired by the central processing unit; a fetal monitoring bar chart generation module converts the trend data into curve coordinate data; and a fetal monitoring bar chart is generated on paper which is arranged on a paper setting module according to the curve coordinate data. By setting a special paper mode, the generated fetal monitoring bar chart is output on the set paper, and can be conveniently checked and used under a present office condition.

The invention discloses a wireless fetal monitoring probe management device, which is characterized in that it includes a network access module, a storage module, a parameter setting module, a wireless communication module, a display module and a data processing module; and also discloses a wireless fetal monitoring probe, which It is characterized in that it also includes a display screen and a bed identification pattern list storage unit; and also discloses a fetal monitor and a wireless fetal monitoring network system based on the wireless fetal monitoring probe management device and the wireless fetal monitoring probe. The wireless fetal monitoring probe management device disclosed in the present invention can be a portable wireless probe management device, and the operation is more efficient; the wireless fetal monitoring network system disclosed in the present invention can perform unified and centralized management of the wireless fetal monitoring probes in the network, which is convenient for resource integration and reasonable allocation; Based on the invention, the user can perform centralized management of the mobile wireless fetal monitoring probe, which increases the flexibility of the system in managing the wireless fetal monitoring probe.

Uterine activity tools and methods of use thereof. The uterine activity tools of this invention are designed to provide clinicians with information to evaluate uterine activity of a pregnant patient utilizing a fetal monitor with a tocodynamometer external pressure sensor (“TOCO”) and / or an intrauterine pressure catheter (“IUPC”). The tool of this invention displays vital information for assessment and documentation of uterine activity including date, time, mode, contraction frequency, contraction duration, contraction intensity, resting tone, relax time, calculated Montevideo units, and number of contractions in a selected time period.

The invention discloses a prenatal fetal heart monitoring signal intelligent interpretation method which comprises the following steps: preprocessing a fetal heart rate signal, a uterine contraction pressure signal and a fetal movement signal to obtain a fused multi-signal data set; then performing segmentation processing, and constructing a data set to be classified; and inputting an embedded layer, a splicing layer, a bidirectional gating circulation unit layer and a full connection layer of the prenatal fetal monitoring intelligent interpretation model in sequence, and performing sigmoid function compression on an output result to obtain a classification judgment result. According to the intelligent interpretation method, the uterine contraction pressure signal and the fetal movement signal are integrated into the antenatal fetal monitoring intelligent interpretation model based on the bidirectional gating circulation unit, and compared with other deep learning models, the intelligent interpretation method is short in consumed time and has better classification and discrimination capacity.

The invention relates to a method and device for adjusting a kickstand of an obstetric bed. The method comprises the following steps: starting a fetal monitor and the obstetric bed, and establishing communication connection between the fetal monitor and the obstetric bed; acquiring uterine contraction pressure signals of a pregnant woman; calculating to obtain uterine contraction intensity eigenvalues in preset time periods according to the uterine contraction pressure signals; comparing two adjacent uterine contraction intensity eigenvalues, and adjusting the kickstand of the obstetric bed according to a comparison result. According to the method and device for adjusting the kickstand of the obstetric bed, disclosed by the invention, the rising and retracting of the kickstand of the obstetric bed can be intelligently adjusted according to the acquired uterine contraction pressure signals of the pregnant woman, so that the aim of adjusting the kickstand of the obstetric bed according to the physiological state of the pregnant woman is achieved, artificial kickstand adjustment is avoided, and the probability that the pregnant woman suffers from foot aching pain, swelling pain and numbness is greatly lowered.

The invention discloses a fetal monitor with an interest guide module. The fetal monitor comprises a monitor body and a monitoring probe, and a fetal heart sound sensor and a uterine contraction pressure sensor are arranged on the monitoring probe; an interest guide module and a trigger module are arranged additionally, the interest guide module is controlled by the trigger module and connected with the monitoring body. Apart from performing routine fetal monitoring on fetus, the fetal monitor adds joy and love contents during detection due to the adding of the interest guide module (including audio and video), thus improving nervous and repressive emotions of pregnant and parturient women, cultivating maternal spirit of the pregnant women, and realizing function of early prenatal care.