CN212326706U - Urine monitoring devices in pocket is made to urinary tract based on capacitive sensor - Google Patents

Abstract

The utility model discloses a urine monitoring devices in pocket is made to urinary tract based on capacitive sensor, including shell (1), capacitive sensor (2), MEMS sensor, microcontroller, terminal. The capacitance sensor (2) is arranged on the inner side wall of the shell (1); the MEMS sensor and the microcontroller are both arranged on the shell (1), and the capacitance sensor (2), the MEMS sensor and the terminal are all connected with the microcontroller; the utility model discloses a capacitance sensor gathers the electric capacity information of making the pocket, consequently gathers the precision height, simultaneously the utility model discloses a MEMS sensor can detect the attitude information of making the pocket.

Description

Urine monitoring devices in pocket is made to urinary tract based on capacitive sensor

Technical Field

The utility model relates to a urine monitoring devices in pocket is made to urinary tract based on capacitive sensor belongs to medical instrument technical field.

Background

Because a certain organ in the urinary tract is diseased, the urinary tract of a patient needs to be opened to the abdominal wall to form a stoma. An ostomy bag is used to contain urine produced by a patient through a stoma. The patient who has performed the stoma operation needs to wear the stoma bag for life for a long time, and the patient does not have autonomous perception on the process from the human body urination to the stoma bag, and cannot know the urination time and the urine amount stored in the stoma bag in real time, so that the urine in the stoma bag overflows, the abdomen or clothes are stained, and troubles are brought to the normal life and work of the patient. Or affecting the urine secretion of the urinary system of the human body, and having adverse effect on the health of the human body. This seriously affects the normal work and quality of life of the patient.

Chinese patent 201520272583.3 discloses a sick clothes convenient to patient of making a mouthful specifically discloses be equipped with gravity sensor, singlechip and the alarm that is used for detecting the pocket weight of making in the bottom of pocket, gravity sensor connects the singlechip, the alarm is connected to the singlechip, the singlechip is according to the pocket weight control alarm that makes that gravity sensor detected, sends the weight signal that gravity sensor detected to bluetooth signal receiver through bluetooth signal transmitter, and bluetooth signal receiver gives the treater with the signal transmission who receives, if the weight of making the pocket surpasss predetermined threshold value, the treater then control switch circuit opens to open call switch and call medical personnel in time to change and make the pocket. Because the gravity sensor for detecting the weight of the ostomy bag is only arranged at the bottom of the bag, when a human body lies down, the data detected by the gravity sensor can be seriously deviated (smaller than) the real data, and the practicability is greatly reduced.

Chinese patent 201910155761.7 discloses an ostomy patient management system based on cloud and wearable technology, specifically disclose pocket monitoring system is made to bluetooth, mobile terminal apps and long-range cloud, pocket monitoring system is made to bluetooth includes the protective body, the internal master control chip module that is provided with of protective body, battery module, memory chip, data output module one, data input module one and bluetooth low energy module one, pocket monitoring system is made to bluetooth includes the monitoring subject, be provided with the data input module two of being connected with always controlling the chip module respectively in the monitoring subject, data output module two and bending sensor signal processing module, always control the chip module respectively with bluetooth low energy module two, bending sensor connects, long-range cloud includes user login module, data storage and display module, big data analysis module. The disease management and monitoring capability is improved through a new digital technology, and all-round monitoring and recording of medical personnel and patients on the stoma and the ostomy bag are facilitated. Since the bending sensor is used for measuring the amount of urine, the resistance of the bending sensor 15 changes along with the bending of the sensor, and therefore the acquisition accuracy is not high.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome exist not enough among the prior art, the utility model provides a urine monitoring devices in pocket is made to urinary tract based on capacitive sensor, the utility model discloses a capacitive sensor gathers the electric capacity information of making the pocket, consequently gathers the precision height, simultaneously the utility model discloses a MEMS sensor can detect the attitude information of making the pocket.

The technical scheme is as follows: in order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a urine monitoring devices in urinary tract ostomy bag based on capacitive sensor, includes shell, capacitive sensor, MEMS sensor, microcontroller, terminal, wherein:

the shell is used for placing the ostomy bag, and the capacitive sensor is arranged on the inner side wall of the shell.

The MEMS sensor and the microcontroller are both installed on the shell, and the capacitance sensor, the MEMS sensor and the terminal are all connected with the microcontroller.

The capacitance sensor is used for detecting capacitance information generated by urine change in the ostomy bag and uploading the capacitance information to the microcontroller.

The MEMS sensor is used for detecting the posture of the shell to obtain current posture information and uploading the current posture information to the microcontroller.

Preferably: the capacitive sensor sets up on the inside wall that the shell is close to human belly one side, perhaps capacitive sensor sets up on the inside wall that human belly one side was kept away from to the shell.

Preferably: the capacitance sensor comprises a measuring electrode, a reference electrode and an environment electrode, wherein the measuring electrode is arranged on the inner side wall of the shell, the reference electrode is arranged on the inner wall of the bottom end of the shell, and the environment electrode is arranged on the shell.

Preferably: the measuring electrode is provided with an electrode shield.

Preferably: the capacitive sensor is a discrete device capacitive sensor or an integrated circuit chip capacitive sensor.

Preferably: the terminal is provided with an input module and a drinking water calculation module, and the input module is used for inputting drinking water time and drinking water amount.

Preferably: the terminal is provided with a display module.

Preferably: the intelligent terminal comprises a wireless transceiver, and the microcontroller is in communication connection with the intelligent terminal through the wireless transceiver.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses a capacitance sensor gathers the electric capacity information of making the pocket, consequently gathers the precision height, simultaneously the utility model discloses a MEMS sensor can detect the attitude information of making the pocket.

2. The utility model discloses a wireless communication technology does benefit to and wears and battery continuation of the journey.

Drawings

Fig. 1 is a view of the present invention.

Fig. 2 is a circuit diagram of an FDC1004 chip.

Fig. 3 is a schematic view of the structure of an ostomy bag, wherein fig. 3(a) is a front view of the ostomy bag and fig. 3(b) is a left view of the ostomy bag.

Fig. 4 is a schematic view showing the placement of the capacitive sensor, in which fig. 4(a) shows the capacitive sensor mounted on the right side, and fig. 4(b) shows the capacitive sensor mounted on the left side.

Fig. 5 is a schematic structural diagram of the present invention.

Fig. 6 is a schematic view of the present invention.

Fig. 7 is a schematic view of an electrode shield structure.

Fig. 8 shows a first arrangement of capacitive sensors.

Fig. 9 shows a second capacitive sensor arrangement.

Fig. 10 is a plate view of a capacitive sensor.

Fig. 11 is a schematic diagram of the detection principle of the capacitive sensor.

Fig. 12 is an interface of a terminal App or a wechat applet such as a mobile phone.

Figure 13 is an interface for reminding a patient to handle an ostomy bag when a threshold is reached.

FIG. 14 is a recorded history, interface viewed by hour.

FIG. 15 is a graph showing the amount of urine and the capacity in different postures.

Detailed Description

The invention will be further elucidated with reference to the drawings and specific embodiments, it being understood that these examples are intended to illustrate the invention only and are not intended to limit the scope of the invention, and that modifications to the various equivalent forms of the invention, which may occur to those skilled in the art after reading the present invention, fall within the scope of the invention as defined in the claims appended hereto.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

A urine monitoring device in urinary ostomy bag based on capacitive sensor, as shown in figure 1, comprises a housing 1, a capacitive sensor 2, a MEMS sensor, a microcontroller, a terminal, wherein:

as shown in figure 2, the ostomy bag 3 is provided with an ostomy bag chassis 5 in which urine 6 is stored when in use.

As shown in fig. 5, the housing 1 is used for placing an ostomy bag, and the capacitive sensor 2 is arranged on the inner side wall of the housing 1.

The MEMS sensor and the microcontroller are both installed on the shell 1, and the capacitance sensor 2, the MEMS sensor and the terminal are all connected with the microcontroller.

As shown in fig. 10, the capacitance sensor 2 is used for detecting capacitance information generated by urine change in the ostomy bag and uploading the capacitance information to the microcontroller. The capacitive sensor 2 may be a discrete device capacitive sensor or may be a legacy circuit chip capacitive sensor, for example, as shown in FIG. 2, using the circuitry of a Texas Instruments (TI) company FDC1004 chip. As shown in fig. 11, the plate of the capacitance sensor may be rectangular, or may be a tuning fork structure or other polygonal structure, and it is only necessary that the capacitance sensor constitutes a capacitor, and the capacitance sensor has a measuring electrode 21, a reference electrode 22 and an environment electrode 23, which may be made of a Printed Circuit Board (PCB) or a flexible material such as a Flexible Printed Circuit (FPC). The measuring electrode 21 is disposed on the inner side wall of the housing 1, the reference electrode 22 is disposed on the inner wall of the bottom end of the housing 1, and the environment electrode 23 is disposed on the outer wall of the housing 1, in another embodiment of the present invention, the environment electrode 23 is disposed on the inner wall of the housing 1. The electrodes of the capacitive sensor may be arranged in the manner of fig. 8, or may be arranged in the manner of fig. 9. As shown in fig. 4, the capacitive sensor 2 may be mounted on an inner side wall of the housing 1 on a side close to the abdomen of the human body, or the capacitive sensor 2 may be mounted on an inner side wall of the housing 1 on a side far from the abdomen of the human body. The device is installed without having to destroy or modify the existing structure of the ostomy bag. The housing may be made of a hard material or a flexible material, and the capacitive sensor is attached to the ostomy bag as much as possible, and the housing 1 is provided with an ostomy bag chassis coupling passage 131.

The electrodes of the capacitive sensor may be shielded, as shown in fig. 7, and the measuring electrode 21 is provided with an electrode shield 211 to suppress the influence of environmental noise.

The MEMS sensor is used for detecting the posture of the shell 1 to obtain the current posture information. The method utilizes an accelerometer and a gyroscope of a micro-electro-mechanical system (MEMS) to detect the postures of the human body and the ostomy bag. The attitude calculation uses the measured angular acceleration integral as angular velocity and further integral as angular displacement, or uses the measured angular velocity integral as angular displacement. And then resolving the current attitude according to the initial position.

And the microcontroller obtains the urine volume in the ostomy bag according to the capacitance information and the current posture information. And comparing the obtained urine quantity with a preset urine threshold value, and sending an alarm signal when the obtained urine quantity is higher than the urine threshold value.

And the alarm module of the terminal carries out alarm reminding according to the alarm signal. The utility model discloses a terminal is a generalized concept, and it includes the suggestion part on the shell, like vibrations part, luminescent device to reach and just can remind the patient under the condition of intelligent terminal such as not passing through cell-phone.

The capacitance is measured by using a reference method, and the capacitance generated by using the capacitance per unit area can be determined by using the reference electrode, so that the measurement error caused by different individuals, different time and the change of the dielectric constant of urine can be eliminated, and the corresponding urine quantity on the measuring electrode can be determined. The use of the environment electrode can be selected, and the measurement error caused by the approach of an arm or the like to the measurement electrode can be suppressed by adding the environment electrode. The capacitive sensor 2 comprises a measuring electrode 21, a reference electrode 22 and an ambient electrode 23.

The terminal is provided with an input module and a drinking water calculation module, the input module is used for inputting drinking water time and drinking water amount, the drinking water calculation module obtains supplementary drinking amount and supplementary drinking water time according to the inputted drinking water time and drinking water amount, the supplementary drinking amount and the supplementary drinking water time are displayed through a display module, and meanwhile the alarm module gives an alarm according to the supplementary drinking water time.

The microcontroller uploads the detected urine volume to the terminal in real time, and the terminal displays the urine volume through the display module according to the uploaded urine volume.

The intelligent terminal comprises a wireless transceiver, and the microcontroller is in communication connection with the intelligent terminal through the wireless transceiver.

A monitoring method of a urine monitoring device in a urinary ostomy bag based on a capacitive sensor comprises the following steps:

step 1, as shown in fig. 6, the ostomy bag is placed in the housing 1, the ostomy base plate is connected, and then the housing 1 is fixed on the patient.

And 2, the microcontroller sends starting detection signals to the capacitance sensor 2 and the MEMS sensor at intervals, so that the capacitance sensor 2 and the MEMS sensor can detect relevant information in real time by setting monitoring time, real-time monitoring is further realized, the capacitance sensor 2 measures capacitance information at the moment according to the starting detection signals, and the obtained capacitance information is uploaded to the microcontroller. The MEMS sensor detects the current attitude information of the shell 1 at the moment according to the starting detection signal and uploads the obtained current attitude information to the microcontroller.

And 3, the microcontroller matches a corresponding measurement curve and an equivalent data conversion method according to the capacitance information and the current posture information to calculate the urine volume in the stoma bag. And comparing the obtained urine quantity with a preset urine threshold value, and sending an alarm signal when the obtained urine quantity is higher than the urine threshold value.

As shown in fig. 15, first, fitting curves of the capacity and the amount of urine in various postures were created, and different amounts of urine and corresponding capacities of the ostomy bag were measured with the casing (ostomy bag) upright, to obtain fitting curves of the capacity and the amount of urine in the upright state. When the shell (ostomy bag) is in a flat state, different amounts of urine and corresponding electric capacities of the ostomy bag are measured, and a fitting curve of the electric capacity and the amount of urine in the flat state is obtained. Taking different inclination angles from the vertical state to the horizontal state, measuring different urine amounts of the ostomy bag and corresponding electric capacity under various inclination angle states, and obtaining a fitting curve of the electric capacity and the urine amount under different inclination angle states, wherein the inclination angle is 90 degrees under the vertical state, the inclination angle is 0 degree under the horizontal state, and the inclination angles under other states are between 0 and 90 degrees.

Simply, there are only two states, and when the current posture information detected by the MEMS sensor is the vertical state, that is, when the inclination angle is 90 degrees, the patient is considered to be in the vertical posture of the ostomy bag such as standing, sitting, and the like, and the amount of urine is calculated from the fitted curve of the capacitance and the amount of urine in the vertical state. When the current posture information detected by the MEMS sensor is in a flat state, namely when the inclination angle is 0 degree, the flat posture of the ostomy bag such as that a patient lies down is considered to be detected, and the urine volume is calculated according to a fitting curve of the capacitance and the urine volume in the flat state.

Further, a plurality of states: when the current attitude information detected by the MEMS sensor is in other states, namely when the inclination angle is between 0 and 90 degrees, selecting a corresponding fitting curve of the capacitance and the urine volume according to the inclination angle to calculate the urine volume.

And 4, the alarm module of the terminal carries out alarm reminding according to the alarm signal.

The drinking water time and the drinking water amount are input through the input module, the drinking water calculation module obtains the supplementary drinking amount and the supplementary drinking water time according to the input drinking water time and the drinking water amount, the supplementary drinking amount and the supplementary drinking water time are displayed through the display module, and meanwhile the alarm module gives an alarm according to the supplementary drinking water time. Firstly, modeling is carried out according to the urine discharge, the motion amount, the season and the climate factor to obtain the standard water intake, then the consumed water amount is obtained according to the detected urine discharge and the MEMS detected motion amount and by combining the corresponding season and climate information, and if the consumed water amount is obviously too much or too little than the standard water intake, corresponding prompt can be carried out.

The Bluetooth and low-power-consumption Bluetooth technology is utilized to communicate with terminals such as mobile phones, and information such as urine volume is transmitted to intelligent terminals such as mobile phones. The App or WeChat applet of the terminal such as a mobile phone can count the urination time, the urination amount and the urination frequency of the human body and the total daily urination amount of the human body, and stores daily urination data records of a patient. When a certain threshold value is reached (the threshold value can be set according to the situation), the App or the WeChat applet of the terminal such as the mobile phone can remind the patient to process urine in time. The terminal App or the WeChat applet such as the mobile phone has the function of manually recording drinking time and drinking water amount. And according to historical data analysis, a function of reminding the patient of supplementing drinking amount and drinking time by using a terminal App (application program) such as a mobile phone or a WeChat applet. Fig. 12 is an interface of an App or a wechat applet of a terminal such as a mobile phone, fig. 13 is an interface for reminding a patient to handle an ostomy bag when a threshold value is reached, and fig. 14 is an interface for viewing recorded historical data by hour.

Additionally, the utility model discloses can real-time detection make the urine volume in the pocket, when the urine will be full, remind the user in time to handle or discharge and make urine in the pocket. The patient's urination data (urination time, amount and number of urination per time, and total daily urination) are recorded for the patient and the doctor to make corresponding analysis and diagnosis. The utility model discloses can real-time supervision make the volume of urine in the pocket, can remind the patient in time to discharge when making the pocket full soon and wait to handle, can prevent that the urine from staining belly or clothing, also can not be because it is full to make the pocket and produce adverse effect to healthy. The urination amount, the urination time and the urination times of the patient can also be recorded, so that the physical state of the patient can be analyzed correspondingly, such as the increase of drinking water amount and drinking times. Therefore the utility model discloses can be to the monitoring of making in the pocket urine volume, patient's urination constantly, the monitoring of urination volume and urination number of times to and the warning under the certain condition, the utility model discloses can make the operation patient's of mouth operation urination action and make the urine volume in the pocket by real-time supervision urethra to inform the user.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (8)

1. The utility model provides a urine monitoring devices in pocket is made to urinary tract based on capacitive sensor which characterized in that: including shell (1), capacitive sensor (2), MEMS sensor, microcontroller, terminal, wherein:

the shell (1) is used for placing an ostomy bag, and the capacitive sensor (2) is arranged on the inner side wall of the shell (1);

the MEMS sensor and the microcontroller are both arranged on the shell (1), and the capacitance sensor (2), the MEMS sensor and the terminal are all connected with the microcontroller;

the capacitance sensor (2) is used for detecting capacitance information generated by urine change in the ostomy bag and uploading the capacitance information to the microcontroller;

the MEMS sensor is used for detecting the posture of the shell (1), obtaining current posture information and uploading the current posture information to the microcontroller.

2. The capacitive sensor-based urostomy monitoring device of claim 1 wherein: capacitive sensor (2) set up on shell (1) is close to the inside wall of human belly one side, perhaps capacitive sensor (2) set up on shell (1) keeps away from the inside wall of human belly one side.

3. The capacitive sensor-based urostomy monitoring device of claim 1 wherein: capacitive sensor (2) are including measuring electrode (21), reference electrode (22) and environment electrode (23), measuring electrode (21) set up on the inside wall of shell (1), reference electrode (22) set up on the bottom inner wall of shell (1), environment electrode (23) set up on shell (1).

4. The capacitive sensor-based urostomy monitoring device of claim 3 wherein: the measuring electrode (21) is provided with an electrode shield (211).

5. The capacitive sensor-based urostomy monitoring device of claim 1 wherein: the capacitance sensor (2) is a discrete device capacitance sensor or an integrated circuit chip capacitance sensor.

6. The capacitive sensor-based urostomy monitoring device of claim 1 wherein: the terminal is provided with an input module and a drinking water calculation module, and the input module is used for inputting drinking water time and drinking water amount.

7. The capacitive sensor-based urostomy monitoring device of claim 1 wherein: the terminal is provided with a display module.

8. The capacitive sensor-based urostomy monitoring device of claim 1 wherein: the intelligent terminal comprises a wireless transceiver, and the microcontroller is in communication connection with the intelligent terminal through the wireless transceiver.

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