CN115944485A - Intelligent obstetric table - Google Patents
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- CN115944485A CN115944485A CN202310095816.6A CN202310095816A CN115944485A CN 115944485 A CN115944485 A CN 115944485A CN 202310095816 A CN202310095816 A CN 202310095816A CN 115944485 A CN115944485 A CN 115944485A
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Abstract
The invention discloses an intelligent obstetric table, which comprises an obstetric table body, an adjusting mechanism, a motor, a main control board, a pressure sensor and a table surface pressure detection unit, wherein the adjusting mechanism is arranged on the obstetric table body; the obstetric table body has multiple working forms, and comprises a seat plate, a back plate and a base, wherein the seat plate and the back plate are connected to the base; the adjusting mechanism is used for adjusting the working form of the obstetric table body, and adjusting mechanism parameters corresponding to different working forms of the obstetric table body are prestored in the main control board; the motor is configured to drive the adjusting mechanism to work; the main control board is connected with the motor and is used for controlling the motor to operate; the bed surface pressure detection unit is electrically connected with the pressure sensor and the main control board, and the pressure sensor is arranged on the bed surface of the obstetric table body. The intelligent obstetric table provided by the invention can monitor the action state of the puerpera in real time so as to automatically adjust the working form of the obstetric table, and greatly improve the comfort of a user.
Description
Technical Field
The invention relates to the technical field of obstetric table equipment control, in particular to an intelligent obstetric table.
Background
With the continuous development of medical technology, the facilities of the obstetric table are more and more perfect, and in order to ensure the delivery process of the lying-in women to be smoothly carried out, the obstetric table needs to have different shapes so as to adapt to the posture requirements of different lying-in women in different links. The current obstetric table controls a plurality of motors to simultaneously control the motion of different parts through a controller, and the posture of the obstetric table cannot be self-adaptively monitored and adjusted, so that the health state of a lying-in woman cannot be monitored in real time.
In order to simplify line control, a controller generally receives all control instructions through a communication line, when a plurality of control instructions are sent at the same time, the controller generally sequentially receives the instructions according to a time sequence and sequentially executes control, and cannot instantaneously and synchronously control a plurality of devices to generate a large feedback delay feeling, so that important instructions which are sequentially executed cannot be preferentially executed, for example, a certain part of an obstetric table is about to be extruded to a puerpera, a certain motor needs to be controlled to stop running quickly, a plurality of operations are simultaneously performed in a busy state, the shutdown cannot be timely fed back, and certain risks exist.
The above background disclosure is only for assisting understanding of the technical concept and technical solution of the present invention, and it does not necessarily belong to the prior art of the present patent application, nor does it necessarily give technical teaching; the above background should not be used to assess the novelty and inventive aspects of the present application in the absence of express evidence that the above disclosure is published prior to the filing date of the present patent application.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an intelligent obstetric table. The technical scheme is as follows:
the invention provides an intelligent obstetric table which comprises an obstetric table body, an adjusting mechanism, a motor, a main control board, a pressure sensor and a table surface pressure detection unit, wherein the main control board is connected with the pressure sensor;
the obstetric table body has multiple working forms, and comprises a seat plate, a back plate and a base, wherein the seat plate and the back plate are connected to the base; the adjusting mechanism is used for adjusting the working form of the obstetric table body, and adjusting mechanism parameters corresponding to different working forms are prestored in the main control board; the motor is configured to drive the adjusting mechanism to work; the main control board is connected with the motor and can control the motor to run;
the bed surface pressure detection unit is respectively electrically connected with the pressure sensor and the main control board, the pressure sensor is arranged on the bed surface of the obstetric table body, the pressure sensor is used for collecting pressure data of the bed surface of the obstetric table body, the pressure sensor comprises a first pressure sensor and a second pressure sensor, the first pressure sensor and the second pressure sensor are respectively and correspondingly arranged on the seat board and the back board, when the bed surface pressure detection unit detects that the pressure data collected by the first pressure sensor continuously increases and the pressure data collected by the second pressure sensor continuously decreases, a sitting posture working state signal is output to the main control board, and the main control board correspondingly adjusts the working state of the obstetric table body according to the sitting posture working state signal; when bed surface pressure detecting element detects the pressurized data that first pressure sensor gathered lasts the grow, and the pressurized data that second pressure sensor gathered lasts the grow, then output the appearance operating condition signal of lying extremely the main control board, the main control board basis the appearance operating condition signal of lying, corresponding adjustment the working form of obstetric table body.
Further, according to the intelligent obstetric table of claim 1, the table surface pressure detecting unit detects and processes the pressure data, and if the pressure data is found to be lower than a safety threshold value within a preset time, it is determined that the parturient has got out of the bed, and the leaving record is uploaded to the medical care system.
Further, intelligence obstetric table still includes ECG acquisition unit and rhythm of the heart acquisition board, rhythm of the heart acquisition board respectively with ECG acquisition unit and main control board electric connection, ECG acquisition unit is used for gathering lying-in woman's rhythm of the heart data work as rhythm of the heart acquisition board detects rhythm of the heart data and surpasss the preset range in the preset time all the time, then output first aid operating condition signal extremely the main control board and send out the police dispatch newspaper, the main control board basis first aid operating condition signal, corresponding adjustment the working form of obstetric table body.
Further, the intelligent obstetric table further comprises a signal input board, a shared communication line and a dedicated communication line, wherein the signal input board is configured to receive various control signals through a touch screen and/or keys, the signal input board is provided with a main output port and a dedicated output port, the main output port is configured to output various control signals, and the dedicated output port is configured to output a motor stop signal; the shared communication line is respectively connected with the main output port of the signal input board and the main control board; the special communication line is respectively connected with the special output port of the signal input board and the main control board.
Further, when the main control board receives the motor stop signal output by the dedicated communication line for the first time, the main control board controls the corresponding motor to stop outputting and rotating and to make motor emergency braking preparation, and when the main control board receives the motor stop signal output by the common communication line for the second time within the preset time, the main control board outputs a motor emergency braking action signal instantly.
Further, the obstetric table body comprises a seat plate, a back plate and a base, the seat plate and the back plate are connected to the base, the motor comprises a seat plate motor and a back plate motor, the adjusting mechanism comprises a first adjusting mechanism and a second adjusting mechanism, the seat plate motor is configured to drive the first adjusting mechanism to work, and the first adjusting mechanism is configured to adjust the angle of the seat plate relative to the ground; the back plate motor is configured to drive the second adjusting mechanism to work, and the second adjusting mechanism is configured to adjust the angle of the back plate relative to the ground.
Further, the motor further comprises a main lifting motor, the adjusting mechanism further comprises a third adjusting mechanism, the main lifting motor is configured to drive the third adjusting mechanism to work, and the third adjusting mechanism is configured to adjust the height of the base relative to the ground.
Furthermore, the shared communication line is an RS485 bus, and the touch screen and/or the keys are connected to the RS485 bus.
Furthermore, various control signals of all the motors are output to the main control board through the common communication line.
Further, the signal input board inputs various control signals through keys, the keys comprise a motor emergency stop button, and the motor emergency stop button is pressed to trigger the signal input board to output a motor stop signal.
Furthermore, the intelligent obstetric table further comprises a pressure sensing switch, the main control board is provided with a switching value signal port, the pressure sensing switch is connected with the switching value signal port, the pressure sensing switch outputs a switching value signal to the main control board under the pressure, and the main control board switches off the motor under the triggering of the switching value signal.
Further, the obstetric table body is equipped with auxiliary table, left side and puts hand platform and right side and put the hand platform, auxiliary table, left side are put hand platform and right side and are put the hand platform and be located the bedplate top, all can pass through motor drive takes place to remove, the forced induction switch sets up on auxiliary table, left side are put hand platform and right side and are put on the hand platform.
Further, the base is equipped with the wheel, the wheel is equipped with brake mechanism, pressure-sensitive switch sets up on the brake mechanism, brake mechanism is equipped with elastic component, brake mechanism removes the brake state and makes elastic component is to pressure-sensitive switch exerts pressure.
Furthermore, intelligence obstetric table still includes light filling lamp and photosensitive switch, light filling lamp and photosensitive switch all with the main control board is connected.
The technical scheme provided by the invention has the following beneficial effects: the motion state of the lying-in woman is monitored in real time, so that the working form of the obstetric table is automatically adjusted, and the comfort of a user is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a framework of an intelligent obstetric table provided by an embodiment of the invention;
fig. 2 is a schematic view of a pressure data processing and determining process of the intelligent obstetric table according to the embodiment of the invention.
Fig. 3 is a schematic diagram of a heart rate data processing and determining process of the intelligent obstetric table provided by the embodiment of the invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In an embodiment of the invention, an intelligent obstetric table is provided, referring to fig. 1, comprising an obstetric table body, an adjusting mechanism, a motor, a main control board, a pressure sensor and a table surface pressure detection unit;
the obstetric table body has a plurality of working forms, such as a lying form, an operation form, a 30-degree backrest form, a 45-degree backrest form and the like, and one working form can be realized only by controlling and adjusting one or more motors; the obstetric table body comprises a seat plate, a back plate and a base, wherein the seat plate and the back plate are connected to the base; the adjusting mechanism is used for adjusting the working form of the obstetric table body, and adjusting mechanism parameters corresponding to different working forms are prestored in the main control board; the motor is configured to drive the adjusting mechanism to work, and the number of the motors is multiple; the main control board is connected with the motor and can control the motor to run;
the bed surface pressure detection unit is respectively electrically connected with the pressure sensor and the main control board, the pressure sensor is arranged on the bed surface of the obstetric table body, the pressure sensor is used for collecting pressure data of the bed surface of the obstetric table body, the pressure sensor comprises a first pressure sensor and a second pressure sensor, the first pressure sensor and the second pressure sensor are respectively and correspondingly arranged on the seat board and the back board, when the bed surface pressure detection unit detects that the pressure data collected by the first pressure sensor continuously increases, the pressure data collected by the second pressure sensor continuously decreases, and the difference value between the pressure data and the pressure data exceeds a certain limit value, a sitting posture working state signal is output to the main control board, and the main control board correspondingly adjusts the working state of the obstetric table body according to the sitting posture working state signal and needs to adjust the included angle between the back board and the ground; detect as bed surface pressure detecting element the pressurized data of first pressure sensor collection lasts to diminish, and the pressurized data of second pressure sensor collection lasts the grow, and both differences surpass the limit value, then output the appearance operating condition signal of lying extremely the main control board, the main control board basis the appearance operating condition signal of lying, corresponding adjustment the working form of obstetric table body needs to turn down the contained angle of backplate and ground. In the automatic adjustment process, the automatic adjustment is stopped until the difference between the pressure values detected by the first pressure sensor and the second pressure sensor is smaller than a preset range.
The bed surface pressure detection unit detects and processes the pressure data, and if the pressure data is found to be lower than a safety threshold value within a preset time, the bed surface pressure detection unit judges that the puerpera is out of the bed and uploads an out-of-bed record to the medical care system. Specifically, referring to fig. 2, after differential amplification and denoising filtering are performed on signals of the pressure sensor, a pressure value is subjected to digital processing, a pressure value change at a certain moment is used as a comparison basis to judge whether a pregnant woman gets out of bed, if the pregnant woman gets out of bed, the system can prompt on a touch screen display interface, then the system needs to confirm whether the current time is night according to an environment brightness signal, if the current time is not night, medical staff do not need to be notified, and if the current time is night, bed getting-out information needs to be sent to the medical system through a TCP/IP port.
The intelligent obstetric table further comprises an ECG acquisition unit and a heart rate acquisition board, wherein the heart rate acquisition board is respectively electrically connected with the ECG acquisition unit and the main control board, the ECG acquisition unit is used for acquiring heart rate data of a puerpera, when the heart rate acquisition board detects that the heart rate data exceeds a preset range in preset time, an emergency work state signal is output to the main control board and an alarm is given out, and the main control board is used for correspondingly adjusting the work state of the obstetric table body according to the emergency work state signal. Specifically, referring to fig. 3, a fingertip of a pregnant woman is provided with a special ECG signal electrode and is connected with a heart rate acquisition board through a shielding lead, the heart rate acquisition board acquires a heart rate value in real time, when the heart rate value is lower than a set alarm value, a touch screen displays an alarm, the system continues to detect the heart rate, if the heart rate is lower than the alarm value for 1 continuous minute, the whole bed automatically enters a CPR body position, namely, an emergency treatment working state, at the moment, the bed surface is approximately horizontal and inclines forwards, and simultaneously, the touch screen gives out a voice alarm to attract the attention of surrounding people, and alarm information is sent to a medical care system through a TCP/IP port to leave the bed.
Referring to fig. 1, the main control board is respectively connected to the motor and the power supply unit, and the main control board is used for controlling the operation of the motor; the signal input board is configured to receive various control signals through a touch screen and keys, the touch screen comprises a left outer side touch screen and a right outer side touch screen, the left outer side touch screen and the right outer side touch screen are respectively arranged on left and right side guardrails of the obstetric table body, the keys comprise a left inner side key and a right inner side key, the left inner side key and the right inner side key are respectively arranged on the left and right side guardrails of the obstetric table body, the keys further comprise one or more motor emergency stop buttons, and the motor emergency stop buttons are pressed and triggered by the signal input board to output corresponding motor stop signals.
The signal input board is connected with the multimedia unit, the signal input board can play music or prompt voice for controlling the multimedia unit, and the multimedia unit can also communicate with external equipment through an internal Bluetooth module; the signal input board is provided with a main input port, a main output port, a special input port and a special output port, the special input port receives less information, the information can be quickly output through the special output port after being simply processed, the main input port receives more information, and the information processing output time is relatively long. The main input port is configured to receive various types of control signals, the dedicated input port is configured to receive motor stop signals, the main output port is configured to output various types of control signals, and the dedicated output port is configured to output motor stop signals.
The shared communication line is respectively connected with the main output port of the signal input board and the main control board, and various control signals of all the motors are output to the main control board through the shared communication line. The shared communication line is an RS485 bus, the touch screen and the keys are connected to the RS485 bus, the RS485 bus adopts 115200bps high-speed communication, any instruction and signal of a user and a complete machine can be quickly transmitted to the main control board, each endpoint on the RS485 bus is provided with a current limiting resistor, a self-recovery fuse and a TVS (transient voltage suppressor), the RS485 bus is pulled up and pulled down to be enhanced to serve as a foundation stone for bus protection and bus stable operation, the bus can be hung on 128 endpoints in principle, each part is independent and coordinated, even if the touch screen or the keys of a certain part fail, the work of the whole system cannot be seriously affected, new endpoint equipment can be added to the bus at any time to realize new functions, the endpoint equipment can be unloaded from the bus according to actual requirements, and the free matching of the functions can be realized. The special communication line is respectively connected with the special output port of the signal input board and the main control board, and the special communication line adopts a high-speed communication line and can also adopt another RS485 bus for communication.
The motor emergency stop button is simultaneously connected with the main input port and the special input port, and motor stop signals are simultaneously and respectively output to the main control board through the shared communication line and the special communication line; when the main control board receives the motor stop signal output by the dedicated communication line for the first time, the main control board controls the corresponding motor to stop outputting and rotating and to prepare for motor emergency braking, and when the main control board receives the motor stop signal output by the common communication line for the second time within the preset time, the main control board outputs the motor emergency braking action instantly, so that the timeliness and the reliability of the action of the whole machine are improved.
In one embodiment of the invention, the obstetric table body comprises a seat plate, a back plate and a base, the seat plate and the back plate are connected to the base, the motors comprise a seat plate motor, a back plate motor and a main lifting motor, the adjusting mechanism comprises a first adjusting mechanism, a second adjusting mechanism and a third adjusting mechanism, the seat plate motor is configured to drive the first adjusting mechanism to work, and the first adjusting mechanism is configured to adjust the angle of the seat plate relative to the ground; the back plate motor is configured to drive the second adjusting mechanism to work, and the second adjusting mechanism is configured to adjust the angle of the back plate relative to the ground; the main lifting motor is configured to drive the third adjusting mechanism to work, and the third adjusting mechanism is configured to adjust the height of the base relative to the ground.
In an embodiment of the invention, the intelligent obstetric table further comprises a pressure sensing switch, the main control board is provided with a switching value signal port, the pressure sensing switch is connected with the switching value signal port, the pressure sensing switch outputs a switching value signal to the main control board under the pressure, and the main control board turns off the motor under the trigger of the switching value signal.
The obstetric table body is equipped with auxiliary table, left side and puts hand platform and right side and put the hand platform, the motor includes that auxiliary table motor, left side are put hand motor, right side and are put hand motor and brake motor, the pressure-sensitive switch sets up on auxiliary table, left side are put hand platform and right side and are put the hand platform, auxiliary table, left side are put hand platform and right side and are put the hand platform and be located the bedplate top, all can take place to remove through the motor drive who corresponds. The base is equipped with the wheel, the wheel is equipped with brake mechanism, pressure-sensitive switch sets up on the brake mechanism, brake mechanism is equipped with elastic component to brake state switches through the brake motor drive that corresponds, brake mechanism removes brake state and makes elastic component is right pressure-sensitive switch exerts pressure.
In an embodiment of the invention, the intelligent obstetric table further comprises a light supplement lamp and a photosensitive switch, the light supplement lamp and the photosensitive switch are both connected with the main control board, when the ambient brightness is lower than the preset brightness, the photosensitive switch outputs a signal to the main control board, and the main control board turns on the light supplement lamp under the triggering of the signal.
The intelligent obstetric table provided by the invention realizes the rapid execution of the stop signal of the specific motor through the special communication line under the condition of not influencing the normal form adjusting function of the obstetric table, has low delay and improves the safety in the form adjusting process of the obstetric table.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An intelligent obstetric table is characterized by comprising an obstetric table body, an adjusting mechanism, a motor, a main control board, a pressure sensor and a table surface pressure detection unit;
the obstetric table body has multiple working forms and comprises a seat plate, a back plate and a base, wherein the seat plate and the back plate are connected to the base; the adjusting mechanism is used for adjusting the working form of the obstetric table body, and adjusting mechanism parameters corresponding to different working forms are prestored in the main control board; the motor is configured to drive the adjusting mechanism to work; the main control board is connected with the motor and can control the motor to run;
the bed surface pressure detection unit is respectively electrically connected with the pressure sensor and the main control board, the pressure sensor is arranged on the bed surface of the obstetric table body, the pressure sensor is used for collecting pressure data of the bed surface of the obstetric table body, the pressure sensor comprises a first pressure sensor and a second pressure sensor, the first pressure sensor and the second pressure sensor are respectively and correspondingly arranged on the seat board and the back board, when the bed surface pressure detection unit detects that the pressure data collected by the first pressure sensor continuously increases and the pressure data collected by the second pressure sensor continuously decreases, a sitting posture working state signal is output to the main control board, and the main control board correspondingly adjusts the working state of the obstetric table body according to the sitting posture working state signal; when bed surface pressure detecting element detects the pressurized data that first pressure sensor gathered lasts the grow, and the pressurized data that second pressure sensor gathered lasts the grow, then output the appearance operating condition signal of lying extremely the main control board, the main control board basis the appearance operating condition signal of lying, corresponding adjustment the working form of obstetric table body.
2. The intelligent obstetric table according to claim 1, wherein said table surface pressure detection unit detects and processes said compression data, if said compression data is found to be lower than a safety threshold value within a preset time, it is determined that the parturient has got out of the bed, and the bed-getting-out record is uploaded to a medical care system.
3. The intelligent obstetric table according to claim 1, further comprising an ECG collection unit and a heart rate collection board, wherein the heart rate collection board is electrically connected to the ECG collection unit and the main control board, respectively, the ECG collection unit is configured to collect heart rate data of a parturient, when the heart rate collection board detects that the heart rate data exceeds a preset range within a preset time, the heart rate collection board outputs an emergency work status signal to the main control board and sends an alarm, and the main control board correspondingly adjusts the work form of the obstetric table body according to the emergency work status signal.
4. The intelligent obstetric table according to claim 1, further comprising a signal input board, a common communication line and a dedicated communication line, said signal input board being configured to receive various types of control signals through a touch screen and/or keys, said signal input board being provided with a main output port configured to output various types of control signals and a dedicated output port configured to output a motor stop signal; the shared communication line is respectively connected with the main output port of the signal input board and the main control board; the special communication line is respectively connected with the special output port of the signal input board and the main control board.
5. The intelligent obstetric table according to claim 4, wherein when said main control board receives a motor stop signal outputted from said dedicated communication line for the first time, it controls the corresponding motor to stop outputting rotation and to prepare for motor sudden braking, and when said main control board receives a motor stop signal outputted from said common communication line for the second time within a predetermined time, said main control board outputs a motor sudden braking action signal instantaneously.
6. The intelligent obstetric table as claimed in claim 4, wherein said motor includes a seat plate motor and a back plate motor, said adjustment mechanism includes a first adjustment mechanism and a second adjustment mechanism, said seat plate motor is configured to drive said first adjustment mechanism to work, said first adjustment mechanism is configured to adjust an angle of said seat plate relative to a ground surface; the back plate motor is configured to drive the second adjusting mechanism to work, and the second adjusting mechanism is configured to adjust the angle of the back plate relative to the ground.
7. The intelligent obstetric table of claim 6, wherein said motor further comprises a main lift motor, said adjustment mechanism further comprising a third adjustment mechanism, said main lift motor being configured to drive said third adjustment mechanism into operation, said third adjustment mechanism being configured to adjust the height of said base relative to the ground.
8. The intelligent obstetric table as claimed in claim 4, wherein said signal input board inputs various types of control signals by means of keys, said keys including a motor emergency stop button, said motor emergency stop button being pressed to trigger said signal input board to output a motor stop signal.
9. The intelligent obstetric table according to claim 4, further comprising a pressure sensing switch, wherein said main control panel is provided with a switching value signal port, said pressure sensing switch is connected with said switching value signal port, said pressure sensing switch is pressed to output a switching value signal to said main control panel, and said main control panel turns off said motor under the trigger of said switching value signal.
10. The intelligent obstetric table according to claim 9, wherein said obstetric table body is provided with an auxiliary table, a left hand placing platform and a right hand placing platform, said auxiliary table, said left hand placing platform and said right hand placing platform are located above said seat plate, and can be driven by said motor to move, said pressure sensing switches are arranged on said auxiliary table, said left hand placing platform and said right hand placing platform.
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| CN202310095816.6A CN115944485A (en) | 2023-02-10 | 2023-02-10 | Intelligent obstetric table |
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| CN106073896A (en) * | 2016-06-15 | 2016-11-09 | 重庆金山科技（集团）有限公司 | A kind of motor for operating robot controls network and method |
| CN107928951A (en) * | 2017-12-29 | 2018-04-20 | 太仓市康辉科技发展有限公司 | A kind of control system of Novel obstetric table |
| CN108392333A (en) * | 2018-02-06 | 2018-08-14 | 复旦大学附属中山医院 | A kind of induction type moving aid bed |
| CN112771589A (en) * | 2018-09-28 | 2021-05-07 | 日本光电工业株式会社 | Remote control device and remote control system |
| CN109925136A (en) * | 2019-03-20 | 2019-06-25 | 河北工业大学 | A kind of intelligent bed system and its application method based on movement intention assessment |
| CN114786745A (en) * | 2019-07-26 | 2022-07-22 | 深圳迈瑞科技有限公司 | Infusion pump and suspension control method thereof |
| CN215384061U (en) * | 2021-01-08 | 2022-01-04 | 汉威科技集团股份有限公司 | On-bed monitoring intelligent instrument |
| CN113082599A (en) * | 2021-03-23 | 2021-07-09 | 嘉兴技领信息技术有限公司 | Controller for ultra-large treadmill and control method thereof |
| CN113303997A (en) * | 2021-06-30 | 2021-08-27 | 上海交通大学医学院附属第九人民医院 | Intelligent sickbed and intelligent sickbed monitoring system |
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