CN109288530B - Wireless urine volume monitor and system thereof - Google Patents

Wireless urine volume monitor and system thereof Download PDF

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Publication number
CN109288530B
CN109288530B CN201811022226.6A CN201811022226A CN109288530B CN 109288530 B CN109288530 B CN 109288530B CN 201811022226 A CN201811022226 A CN 201811022226A CN 109288530 B CN109288530 B CN 109288530B
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urine
wireless
collection container
displacement sensor
laser displacement
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CN109288530A (en
Inventor
曹君利
董盟盟
韩园
韩镠
张洪国
叶绚
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/20Measuring for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
    • A61B5/207Sensing devices adapted to collect urine
    • A61B5/208Sensing devices adapted to collect urine adapted to determine urine quantity, e.g. flow, volume

Abstract

The invention discloses a wireless urine volume monitor and a system thereof, wherein the wireless urine volume monitor is connected with a monitoring station and an intelligent terminal through a wireless signal transmission unit and sends urine information obtained by real-time monitoring to the monitoring station and the intelligent terminal; the workstation receives urine information sent by the wireless urine volume detector and sends alarm and reminding information to the intelligent terminal; and the intelligent terminal receives the alarm information and the reminding information sent by the workstation, and gives an alarm and reminds. The invention can accurately measure the volume of urine, is not in contact with the urine, realizes real-time measurement, is safe and durable, and does not increase the risk of ureter blockage. For the operating room environment, the medical monitoring system is beneficial to doctors to concentrate on the existing monitor, and the medical quality and efficiency are improved. For ICU and ward environments, centralized management of the urine volume monitor scattered to a sickbed can be realized, and the improvement of medical working efficiency and the reduction of the workload of medical staff are facilitated.

Description

Wireless urine volume monitor and system thereof
Technical Field
The invention relates to the field of medical instruments, in particular to a wireless urine volume monitor and a system thereof.
Background
In operating rooms and wards, the urine volume information of catheterization patients needs to be counted, the urine volume information is generally manually measured, the medical care workload is increased, and the real-time monitoring cannot be realized. Particularly, in the operation process, the urine volume needs to be counted frequently to judge the liquid input and output volume and the kidney function and guide the transfusion or blood transfusion treatment. However, the multi-layer sterile single sheet covers the patient and covers a large space at the lower part of the operating bed, and an operator is positioned around the patient; when the urine volume is counted, medical staff often need to avoid the standing area of an operating doctor, squat the body, properly raise a sterile sheet and read, which is very inconvenient, and may influence the operation and pollute the sterile area. At present, automatic urine volume and body fluid measurement schemes are available, but are less clinically applicable.
The currently adopted schemes include: weighing method, flow method. (1) The weighing method is to use a weight or pressure sensor to realize the automatic measurement function, use a contact type hydrometer or a photoelectric probe externally clamped on a catheter to measure the specific gravity of urine, and obtain the volume of the urine through weight and specific gravity conversion. (2) The flow method is based on infrared photoelectric sensing technology, measures dynamic liquid drops, and cumulatively calculates the urine volume. The measurement result is generally displayed by a matched display screen, and the signal transmission is in a wired or wireless mode.
However, the solutions currently adopted all have different drawbacks:
(1) the weighing method has the following defects: regardless of the hook or the tray, the urine tube is connected with the human body and the urine bag, and the process that urine flows into the urine bag from the human body is dynamic, which can influence the weighing accuracy. Secondly, the contact hydrometer has the risk of cross infection because of contacting with urine. And thirdly, the photoelectric probe is externally clamped on the catheter, the instantaneous specific gravity of the catheter is measured, the total specific gravity is not the total specific gravity of the discharged urine, and the total specific gravity is required for calculating the urine volume. The volume is calculated by directly adopting the density of water without measuring the specific gravity of urine in the weighing scheme, and large errors exist particularly for patients with operation, critical weight and renal dysfunction.
(2) The disadvantages of the flow method: the outflow of human urine has the characteristics of untimely and quantitative outflow, both non-flowing and quick outflow conditions exist, the size of liquid drops is not fixed, even the liquid drops flow in bundles, and the measurement error is large. Secondly, although some schemes improve the structure of the drop forming part, the inner diameter of the urine tube and the urine flow velocity are limited, and the size of the drops is kept constant and the drops flow down discontinuously as much as possible; but this increases the risk of blockage of the urinary duct due to the presence of urine with formed components and crystalline deposits.
(3) The common disadvantages are: the operating room environment is suitable for concentrating the urine volume monitoring module into the existing monitor and connecting the anesthesia automatic recording system, extra monitoring equipment and workload are not increased, a doctor can concentrate on the existing monitor, and the medical quality and efficiency are improved. The ICU and ward environment are suitable for centralized management of the urine volume monitors scattered to the sickbed, and the centralized management is generally realized in a workstation mode, so that the improvement of the medical work efficiency and the reduction of the work burden of medical staff are facilitated. The existing scheme generally adopts an independent monitoring and displaying unit, and can not meet the requirements of the two points.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides a wireless urine volume monitor and a system thereof, which can accurately measure the volume of urine, are not in contact with the urine, realize real-time measurement, are safe and durable, and do not increase the risk of ureter blockage.
The technical scheme is as follows:
a wireless urine volume monitor comprises a base, a shell, a urine collecting container and a laser displacement sensor;
the laser displacement sensor and the urine collection container are both arranged in the shell, the urine collection container is communicated with the urethra of the human body through the catheter, and the side surface of the lower part of the urine collection container is connected with a liquid discharge pipe; a guide rail is arranged on the inner side wall of the urine collection container, and a buoy which floats up and down along with the liquid level of the urine is arranged on the guide rail; the laser displacement sensor is arranged above the urine collection container and right opposite to the buoy, and the distance between the buoy and the laser displacement sensor is measured; a measuring unit and a wireless signal transmission unit are installed in the base, and the measuring unit calculates the volume of urine in the urine collection container according to the distance between the buoy and the laser displacement sensor measured by the laser displacement sensor; the wireless urine volume monitor is connected with the monitoring terminal through the wireless signal transmission unit.
The urine collection container is sealed by a transparent cover, and laser of the laser displacement sensor can irradiate the buoy through the transparent cover.
An inner lining film is arranged at the opening of the urine collection container; one end of the lining film is connected with the buoy, the other end of the lining film is arranged at the opening of the urine collection container, and a sealed urine collection space is formed between the buoy and the inner wall of the urine collection container.
The hinge capable of rotating 180 degrees is installed on one side of the opening of the shell, and the cover plate is installed at the opening of the shell through the hinge.
A urethral catheter buckle used for controlling the circulation of the urethral catheter is arranged on the urethral catheter; the middle section of the liquid discharge pipe is a threaded pipe capable of being folded reversely, and a liquid discharge buckle for controlling the circulation of the liquid discharge pipe is installed on the liquid discharge pipe.
The outer shell is provided with a display screen for displaying the volume of the urine, and the display screen is connected with the measuring unit.
The base is internally provided with a battery box which is connected with a USB interface and a power line, and the battery box is connected with the laser displacement sensor, the display screen and the wireless signal transmission unit through a circuit and supplies power to the laser displacement sensor, the display screen and the wireless signal transmission unit.
And a glove box for storing disposable gloves required by medical staff is also arranged on the shell.
A wireless urine volume monitoring system comprises a wireless urine volume detector, a monitoring station and an intelligent terminal;
the wireless urine volume detector is connected with the monitoring station and the intelligent terminal through the wireless signal transmission unit and sends urine information obtained by real-time monitoring to the monitoring station and the intelligent terminal;
the workstation receives urine information sent by the wireless urine volume detector and stores the urine information in a database; the workstation is provided with a threshold value of the total amount of urine in the urine collection container, and when the total amount of urine in the urine collection container exceeds the threshold value set in the workstation, the workstation sends alarm information to the intelligent terminal to remind the intelligent terminal of draining liquid; the workstation is also provided with a urine increase rate threshold, and the workstation calculates and obtains the urine increase amount and the urine increase rate between any two time points according to the data recorded by the database; when the increase rate of the urine exceeds a preset threshold value, sending reminding information to the intelligent terminal;
and the intelligent terminal receives the alarm information and the reminding information sent by the workstation, and gives an alarm and reminds.
And the workstation controls the acquisition frequency of the laser displacement sensor in the wireless urine volume detector through the wireless signal transmission unit.
The workstation counts and measures the urine discharge of the urine collection container according to the times of emptying urine in the urine collection container; and the workstation generates a urine volume monitoring list according to the condition of the urine in the urine collection container.
Has the advantages that: the invention can accurately measure the volume of urine, is not in contact with the urine, realizes real-time measurement, is safe and durable, and does not increase the risk of ureter blockage. For the operating room environment, the urine volume monitoring module can be concentrated in the existing monitor, and the automatic anesthesia recording system is accessed, so that extra monitoring equipment and workload are not increased, doctors can concentrate on the existing monitor, and the medical quality and efficiency are improved. For ICU and ward environment, the centralized management of the urine volume monitor scattered to a sickbed is realized in a workstation mode, and the improvement of medical working efficiency and the reduction of the workload of medical staff are facilitated.
Drawings
Fig. 1 is a front view of a wireless urine volume monitor according to the present invention.
Fig. 2 is a rear view of the wireless urine volume monitor of the present invention.
Fig. 3 is a left side view of the wireless urine volume monitor of the present invention.
Fig. 4 is a schematic view of the internal structure of the urine collection container of the present invention.
Fig. 5 is a schematic view showing the connection of the float in the urine collection container according to the present invention.
Fig. 6 is a measuring principle diagram of the laser displacement sensor in the urine collection container of the present invention.
Wherein, 1 is the shell, 2 is the base, 3 is the apron, 31 is the flap, 4 is the glove box, 11 is the urine collection container, 12 is laser displacement sensor, 13 is the catheter, 14 is the catheterization buckle, 15 is the fluid-discharge tube, 16 is the flowing back buckle, 17 is the guide rail, 18 is the buoy, 181 is the arch, 182 is the buoy body, 19 is waterproof blast pipe, 20 is the couple, 21 is the battery case, 22 is the power cord interface, 23 is the power cord receiver, 24 is the USB interface, 25 is the display screen.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
Fig. 1 is a front view of a wireless urine volume monitor according to the present invention. As shown in fig. 1, the wireless urine volume monitor of the present invention comprises a base 2, a housing 1, a urine collection container 11, a urinary catheter 13, a drainage tube 15, a laser displacement sensor 12, a display screen 25, a cover plate 3, a hook 20 and a glove box 4.
One side of the shell 1 is open; a hinge 31 capable of rotating 180 degrees is installed at one side of the opening of the shell 1, and the cover plate 3 is installed at the opening of the shell 11 through the hinge 31. The laser displacement sensor 12 and the urine collection container 11 are both installed in the housing 1. A waterproof exhaust pipe 19 is also installed in the housing 1.
The urine collection container 11 is communicated with the urethra of the human body through the urinary catheter 13, and a urinary catheter buckle 14 is arranged on the urinary catheter 13 and used for controlling the circulation of the urinary catheter 13. A liquid discharge pipe 15 is connected to the side surface of the lower part of the urine collection container 11, a reversible threaded pipe is adopted in the middle section of the liquid discharge pipe 15, and a liquid discharge buckle 16 is installed on the liquid discharge pipe 15 and used for controlling the circulation of the liquid discharge pipe 15.
A guide rail 17 is installed on the inner side wall of the urine collection container 11, a float 18 is slidably installed on the guide rail 17, and the float 18 floats up and down along with the liquid level of the urine. The laser displacement sensor 12 is installed above the urine collection container 11 and opposite to the buoy 18, and the volume of urine is measured by measuring the distance between the buoy 18 and the laser displacement sensor 12. In the present invention, guide rails 17 may be installed on both sides of the urine collection container 11, and both ends of the float 18 are slidably installed on the guide rails 17, respectively. The urine collection container 11 is sealed by a transparent cover and is communicated with the outside only through the catheter 13 and the liquid discharge pipe 15.
In the present invention, an inner liner may be provided at the opening of the urine collection container 11, one end of the inner liner is connected to the float 18, and the other end is provided at the opening of the urine collection container 11, so that a sealed urine collection space is formed between the float 18 and the inner wall of the urine collection container 11. When the float 18 is located at the bottom of the urine collection container 11, the lining film connects the float 18 and the opening of the urine collection container 11, which is used as the initial state of the lining film, urine flows into the sealed urine collection space between the inner wall of the urine collection container 11 and the lining film through the urinary catheter 13, the float 18 floats upwards along with the increase of urine, and simultaneously, the lining film shrinks, which has the function of keeping the urine collection container 11 in the sealed state and keeping the float 18 under the irradiation monitoring of the laser displacement sensor.
The laser displacement sensor 12 is a sensor that performs measurement using laser technology. It consists of laser, laser detector and measuring circuit. The laser displacement sensor 12 of the present invention employs a triangulation method: the laser transmitter emits visible red laser to the surface of an object to be detected through the lens, the laser reflected by the object passes through the receiver lens and is received by the internal CCD linear camera, and the CCD linear camera can 'see' the light spot at different angles according to different distances. And calculating the distance between the laser displacement sensor 12 and the measured object according to the angle and the known distance between the laser and the camera.
A measuring unit is arranged in the base 2, and the measuring unit calculates the volume of urine in the urine collecting container 11 according to the distance between the buoy 18 and the laser displacement sensor 12 measured by the laser displacement sensor 12;
still install wireless signal transmission unit in the base 2, wireless signal transmission unit adopts wireless communication modes such as infrared, WIFI, bluetooth or NFC. The laser displacement sensor 12 and the measuring unit of the wireless urine volume monitor are connected with the monitoring terminal through the wireless signal transmission unit.
Still install display screen 25 on the shell 1 outside, display screen 25 with measuring unit connects, is used for showing the volume of urine. In the present invention, the display screen 25 is further provided with a control panel for controlling the acquisition frequency of the laser displacement sensor 12.
A battery box 21 is installed in the base 2, a USB interface 24 and a power line interface 22 are connected to the battery box 21, and the power line interface 22 is connected to an external power source through a power line. The battery box 21 is connected with the laser displacement sensor 12, the display screen 25 and the wireless signal transmission unit through a circuit and supplies power to the laser displacement sensor, the display screen 25 and the wireless signal transmission unit. Further, a power cord storage box 23 is mounted on the outer side of the base 2 for storing a power cord.
In the invention, the shell 1 is also provided with a hook 20, and the wireless urine volume monitor is arranged on a hospital bed through the hook 20.
In the present invention, a glove box 4 is further installed on the housing 1 for storing disposable gloves required by medical staff.
In the invention, the wireless urine volume detector is respectively connected with the monitoring station, the monitor and the intelligent terminal through the wireless signal transmission unit to form a wireless urine volume monitoring system, thereby realizing the urine volume monitoring function in the intelligent terminal, the monitor and the workstation.
The workstation monitors in real time through the wireless urine volume detector, controls the acquisition frequency of the laser displacement sensor 12 in the wireless urine volume detector through the wireless signal transmission unit, displays the total urine volume, and stores corresponding data into a database; in the invention, the data can be collected once in 1 minute;
the intelligent terminal comprises a workstation, wherein the workstation is provided with a threshold value of the total amount of urine in a urine collection container, and when the total amount of urine in the urine collection container exceeds the threshold value set in the workstation, the workstation sends alarm information to remind the intelligent terminal of draining liquid. The workstation is also provided with a urine increase rate threshold, and the workstation calculates and obtains the urine increase amount and the urine increase rate between any two time points according to the data recorded by the database; and sending reminding information to the intelligent terminal when the increase rate of the urine exceeds a preset threshold value.
And the workstation performs urine discharge counting and metering of the urine collection container according to the times of emptying urine in the urine collection container.
The workstation can also generate a urine volume monitoring list according to the condition of the urine in the urine collection container.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the details of the foregoing embodiments, and various equivalent changes (such as number, shape, position, etc.) may be made to the technical solution of the present invention within the technical spirit of the present invention, and the equivalents are protected by the present invention.

Claims (9)

1. The utility model provides a wireless urine volume monitor which characterized in that: comprises a base, a shell, a urine collecting container and a laser displacement sensor;
the laser displacement sensor and the urine collection container are both arranged in the shell, the urine collection container is communicated with the urethra of the human body through a catheter, and the side surface of the lower part of the urine collection container is connected with a liquid discharge pipe; a guide rail is arranged on the inner side wall of the urine collection container, and a buoy which floats up and down along with the liquid level of urine is arranged on the guide rail; the laser displacement sensor is arranged above the urine collection container and right opposite to the buoy, and the distance between the buoy and the laser displacement sensor is measured; a measuring unit and a wireless signal transmission unit are installed in the base, and the measuring unit calculates the volume of urine in the urine collection container according to the distance between the buoy and the laser displacement sensor measured by the laser displacement sensor; the wireless urine volume monitor is connected with the monitoring terminal through the wireless signal transmission unit;
an inner lining film is arranged at the opening of the urine collection container; one end of the lining film is connected with the buoy, the other end of the lining film is arranged at the opening of the urine collection container, and a sealed urine collection space is formed between the inner wall of the urine collection container and the lining film.
2. The wireless urine volume monitor according to claim 1, wherein: the urine collection container is sealed by a transparent cover, and laser of the laser displacement sensor can irradiate the buoy through the transparent cover.
3. The wireless urine volume monitor according to claim 1, wherein: the hinge capable of rotating 180 degrees is installed on one side of the opening of the shell, and the cover plate is installed at the opening of the shell through the hinge.
4. The wireless urine volume monitor according to claim 1, wherein: a urethral catheter buckle used for controlling the circulation of the urethral catheter is arranged on the urethral catheter; the middle section of the liquid discharge pipe is a threaded pipe capable of being folded reversely, and a liquid discharge buckle for controlling the circulation of the liquid discharge pipe is installed on the liquid discharge pipe.
5. The wireless urine volume monitor according to claim 1, wherein: a display screen for displaying the volume of the urine is further installed on the outer side of the shell, and the display screen is connected with the measuring unit;
the base is internally provided with a battery box which is connected with a USB interface and a power line interface, and the battery box is connected with the laser displacement sensor, the display screen and the wireless signal transmission unit through a circuit and supplies power to the laser displacement sensor, the display screen and the wireless signal transmission unit.
6. The wireless urine volume monitor according to claim 1, wherein: and a glove box for storing disposable gloves required by medical staff is also arranged on the shell.
7. A wireless urine volume monitoring system using the wireless urine volume monitor according to any one of claims 1 to 6, characterized in that: the monitoring system comprises a wireless urine volume monitor, a monitoring station and an intelligent terminal;
the wireless urine volume monitor is connected with the monitoring station and the intelligent terminal through the wireless signal transmission unit and sends urine information obtained by real-time monitoring to the monitoring station and the intelligent terminal;
the monitoring station receives urine information sent by the wireless urine volume monitor and stores the urine information in a database; the monitoring station is provided with a threshold value of the total amount of urine in the urine collection container, and when the total amount of urine in the urine collection container exceeds the threshold value set in the monitoring station, the monitoring station sends alarm information to the intelligent terminal to remind the intelligent terminal of carrying out liquid drainage treatment; the monitoring station is also provided with a urine increase rate threshold, and the monitoring station calculates and obtains the urine increase amount and the urine increase rate between any two time points according to the data recorded by the database; when the increase rate of the urine exceeds a preset threshold value, sending reminding information to the intelligent terminal;
and the intelligent terminal receives the alarm information and the reminding information sent by the monitoring station, and alarms and reminds.
8. The wireless urine volume monitoring system according to claim 7, wherein: the monitoring station controls the acquisition frequency of the laser displacement sensor in the wireless urine volume monitor through the wireless signal transmission unit.
9. The wireless urine volume monitoring system according to claim 7, wherein: and the monitoring station performs urine discharge counting measurement on the urine collection container according to the times of urine emptying in the urine collection container and generates a urine volume monitoring list.
CN201811022226.6A 2018-09-04 2018-09-04 Wireless urine volume monitor and system thereof Active CN109288530B (en)

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CN111568475A (en) * 2020-05-21 2020-08-25 王金燕 Body fluid collecting and storing device for body fluid test in clinical medical examination
CN111840673A (en) * 2020-07-30 2020-10-30 程愔 Urine bag device with liquid level alarm
CN112336383A (en) * 2020-11-06 2021-02-09 上海理工大学 Urine collecting device with alarm function

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