CN106859607B - Multi-parameter monitoring system - Google Patents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
- A61B5/0006—ECG or EEG signals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
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Abstract
The invention discloses a multi-parameter monitoring system which comprises at least one original physical quantity sampling module and a physical quantity conversion module connected with the original physical quantity sampling module. The invention is convenient for accessing the data acquired by the original physical quantity sampling module into the information center system, wearing continuously and monitoring continuously. The wireless connection mode can also facilitate the free movement of the wearer, thereby accelerating the development and popularization of the use of the wearable equipment.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a multi-parameter monitoring system.
Background
Monitoring of intra-operative continuous physiological parameters (e.g., electrocardiography, respiration, blood oxygen, pulse rate, body temperature, heart rate, blood pressure, etc.) has a great impact on intra-operative (e.g., anesthesia), post-operative recovery. However, the monitoring instrument in the prior art has relatively complicated data acquisition and transmission processes, more hardware devices, circuits and the like, and is not beneficial to effective monitoring of physiological parameters. Therefore, how to better improve the current monitoring system has become the development focus in the current medical technology field.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a multi-parameter monitoring system which can improve the monitoring level in the technical field of medical treatment.
In order to solve the technical problems, the technical scheme of the invention is as follows:
A multi-parameter monitoring system comprises at least one original physical quantity sampling module and at least one physical quantity conversion module.
Preferably, the system further comprises at least one data transmission module which is arranged between the original physical quantity sampling module and the physical quantity conversion module in a wired or wireless mode.
Preferably, at least one display and/or receiving device is further included, which is connected to the physical quantity conversion module.
Preferably, an information center system is further included, which is connected to the display and/or receiving device by wired or wireless means.
Preferably, the physical quantity conversion module includes at least one physical quantity conversion circuit.
Preferably, the physical quantity conversion module further includes an interface conversion circuit provided between the physical quantity conversion circuit and the display and/or receiving device by wired or wireless means.
Preferably, the physical quantity conversion circuit comprises a signal generator, a first driver, a first controller, a second driver and a first converter which are sequentially connected, wherein the output end of the first converter is connected with the interface conversion circuit or the display and/or receiving device, and the signal generator is connected with the original physical quantity sampling module or the data transmission module.
Preferably, the physical quantity conversion circuit includes a second controller, a first arithmetic unit, a transducer, a first buffer driver, and a second buffer driver, wherein the second controller is connected with an original physical quantity sampling module or the data transmission module, the transducer is connected with the interface conversion circuit or the display and/or receiving device, the transducer is respectively connected with the first arithmetic unit, the first buffer driver, and the second buffer driver, the first arithmetic unit and the first buffer driver are connected with the second controller, and the second buffer driver is connected with the second controller.
Preferably, the physical quantity conversion circuit includes a third buffer driver, a fourth buffer driver, a voltage divider, a second arithmetic unit, a second converter, and a feedback unit, wherein the voltage divider is connected with an original physical quantity sampling module or the data transmission module, the second converter is connected with the interface conversion circuit or the display and/or receiving device, the second converter is connected with the voltage divider through the third buffer driver, the second converter is connected with the feedback unit through the fourth buffer driver, and the feedback unit and the voltage divider are respectively connected with the second arithmetic unit.
Preferably, the raw physical quantity sampling module includes, but is not limited to, an in vitro raw physical quantity sampling module and an invasive raw physical quantity sampling module.
Preferably, the external original physical quantity sampling module is a sensor assembly or a circuit, and the invasive original physical quantity sampling module is an invasive probe assembly or a circuit.
Preferably, the display and/or receiving device includes, but is not limited to, a display or a monitor.
Preferably, the information center system includes, but is not limited to, a hospital HIS device, an LIS device, a PACS device.
Preferably, the data transmission module includes, but is not limited to, a wired module, a Bluetooth low energy module, a WIFI module, a ZIGBEE module, a Sub-1G module, a GPRS module, and a 2/3/4/5G module.
By adopting the technical scheme, the invention at least comprises the following beneficial effects:
The multi-parameter monitoring system is convenient for connecting the data acquired by the original physical quantity sampling module into the system between a ward and an operating room, and can be continuously worn before, during and after operation and continuously monitored. The wireless connection mode can also facilitate the free movement of patients. In addition, the data of the original physical quantity sampling module can be accessed into an information center system through display and/or receiving equipment, so that development and popularization of use of the wearable equipment are accelerated.
Drawings
FIG. 1a is a schematic diagram of a multi-parameter monitoring system according to the present invention;
FIG. 1b is a schematic diagram of a multi-parameter monitoring system according to the present invention;
FIG. 1c is a schematic diagram of a multi-parameter monitoring system according to the present invention;
FIG. 1d is a schematic diagram of a multi-parameter monitoring system according to the present invention;
FIG. 1e is a schematic diagram of a multi-parameter monitoring system according to the present invention;
FIG. 1f is a schematic diagram of a multi-parameter monitoring system according to the present invention;
FIG. 2 is a schematic diagram of a physical quantity conversion circuit according to an embodiment;
fig. 3 is a circuit diagram of the physical quantity conversion circuit described in fig. 2;
FIG. 4 is a schematic diagram of a physical quantity conversion circuit according to an embodiment;
Fig. 5 is a circuit diagram of the physical quantity conversion circuit described in fig. 4;
FIG. 6 is a schematic diagram of a physical quantity conversion circuit according to an embodiment;
Fig. 7 is a circuit diagram of the physical quantity conversion circuit described in fig. 6.
Wherein: 101. a signal generator, 102, a first driver, 103, a first controller, 104, a second driver, 105, a first converter;
201. A second controller 202, a first operator 203, a transducer 204, a first buffer driver 205, a second buffer driver;
301. third buffer driver 302, voltage divider 303, second operator 304, second converter 305, feedback device 306, fourth buffer driver.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 7, in order to provide a multi-parameter monitoring system according to the present invention, a multi-parameter monitoring system includes at least one original physical quantity sampling physical module and at least one physical quantity conversion module.
Preferably, the system further comprises at least one data transmission module, which is arranged between the original physical quantity sampling module and the physical quantity conversion module in a wired or wireless manner, wherein the data transmission modules can form a transmission network in any cascade manner (see fig. 1 f).
Preferably, at least one display and/or receiving device is further included, which is connected to the physical quantity conversion module. The connection may be wired or wireless, and may of course be designed to be implemented by means of some kind of data transmission module or the like. This will not be described in detail here, as the person skilled in the art will be aware.
Preferably, an information center system is further included, which is connected to the display and/or receiving device by wired or wireless means.
Preferably, the physical quantity conversion module includes at least one physical quantity conversion circuit.
Preferably, the physical quantity conversion module further includes an interface conversion circuit provided between the physical quantity conversion circuit and the display and/or receiving device by wired or wireless means.
Preferably, the physical quantity conversion circuit includes a signal generator 101, a first driver 102, a first controller 103, a second driver 104, and a first converter 105 connected in sequence, wherein the signal generator 101 is connected to the original physical quantity sampling module or the data transmission module, and an output end of the first converter 105 is connected to the interface conversion circuit or the display and/or receiving device.
Preferably, the physical quantity conversion circuit includes a second controller 201, a first operator 202, a transducer 203, a first buffer driver 204, and a second buffer driver 205, wherein the transducer 203 is connected to an original physical quantity sampling module or the data transmission module, the transducer 203 is connected to the operator, the first buffer driver 204, and the second buffer driver 205, respectively, the first operator 202 and the first buffer driver 204 are connected to the second controller 201, and the second buffer driver 205 is connected to the second controller 201.
Preferably, the physical quantity conversion circuit includes a third buffer driver 301, a fourth buffer driver 306, a voltage divider 302, a second operator 303, a second converter 304, and a feedback device 305, wherein the voltage divider 302 is connected to an original physical quantity sampling module or the data transmission module, the second converter 304 is connected to the interface conversion circuit or the display and/or receiving device, the second converter 304 is connected to the voltage divider 302 through the third buffer driver 301, the second converter 304 is connected to the feedback device 305 through the fourth buffer driver 306, and the feedback device 305 and the voltage divider 302 are respectively connected to the second operator 303.
Preferably, the raw physical quantity sampling module includes, but is not limited to, an in vitro raw physical quantity sampling module and an invasive raw physical quantity sampling module.
Preferably, the external original physical quantity sampling module is a sensor assembly or a circuit (such as a temperature sensor, a heartbeat sensor and the like), and the invasive original physical quantity sampling module is an invasive probe assembly or a circuit (such as a medical probe, a probe and the like).
Preferably, the display and/or receiving device is a display.
Preferably, the display and/or receiving device is a monitor.
Of course, the display and/or receiving device may be either a receiving device or a display device, or both, and those skilled in the art may make corresponding designs according to actual use conditions, which is not limited in the present invention.
Preferably, the information center system includes, but is not limited to, a hospital HIS device, an LIS device, a PACS device.
Preferably, the data transmission module includes, but is not limited to, a wired module, a Bluetooth low energy module, a WIFI module, a ZIGBEE module, a Sub-1G module, a GPRS module, and a 2/3/4/5G module.
The wired connection mode in the invention can be connection through wires, interfaces and the like; the wireless connection is performed by bluetooth, bluetooth low energy, WIFI, ZIGBEE, SUB-1G, GPRS, 2/3/4/5G, etc., and the present embodiment will not be described in detail since those skilled in the art should know.
Physical quantities referred to in this embodiment include, but are not limited to, numerical values or combinations of numerical values and physical units.
In a preferred embodiment, the raw physical quantity sampling module: preferably an underarm body temperature sensor, using bluetooth low energy communication. For acquiring physical quantities (physiological parameters) and converting the physical quantities into the same or different types of physical quantities which can be detected by the display or measurement section with or without conversion.
The data transmission module is used for converting Bluetooth into Bluetooth or converting Bluetooth into WIFI, simultaneously performing a task of data processing analysis according to specific physiological parameter data, and wirelessly transmitting the obtained result to the physical quantity conversion circuit; the data transmission module is provided with a task of expanding transmission distance and performing data processing analysis. The data transmission module may be connected to a variety of wired or wireless peripherals and may support a variety of wireless frequencies. For bluetooth low energy, a master or slave device may be made simultaneously. It can accomplish bluetooth and wifi inter-conversion, bluetooth and bluetooth inter-conversion. Processing of the original data can also be completed, and processed data can be obtained.
Physical quantity conversion circuit: converting the received physiological parameters (such as temperature and the like) into corresponding resistance values, and accessing the corresponding resistance values into a monitor through an interface conversion circuit; i.e. it may perform a conversion of the acquired physical quantity into another physical quantity to be displayed or acquired.
Interface conversion circuit: different interface standards for compatibility with different brands of monitors; the interface conversion circuit does not change the nature of the physical quantity, only transfers the physical quantity from one end to the other, so as to achieve matching of different interfaces.
The display and/or receiving device may be a dedicated display such as a monitor, or some other display or execution device that receives physical quantities, such as a physical quantity measuring device such as a multimeter. The device is used for displaying various physiological parameters obtained by sampling of an external sensor and giving an alarm prompt;
Hospital HIS, LIS, PACS system: and a system for recording and storing patient information, physiological parameters and diagnosis and treatment information.
Wherein the physiological parameters include, but are not limited to, physical quantities such as electrocardiography, respiration, blood oxygen, pulse rate, body temperature, heart rate, blood pressure, etc.
Taking electrocardiographic data as an example, 50/60HZ interference and baseline low-frequency drift exist after the electrocardiographic data are acquired, interference needs to be filtered before the data are analyzed, and then a data processing part can be deployed in an acquisition part or a transmission part to perform power frequency filtering processing and low-frequency filtering on the raw data acquired by electrocardiographic data, so that relatively clean electrocardiographic waveforms are obtained. Further, the electrocardiographic waveform can be analyzed to obtain the heart rate and even perform disease analysis according to the waveform. Other physical quantities, the application is not described in detail and will be understood by those skilled in the art.
In the invention, the original physical quantity sampling module and the physical quantity conversion module can be integrated together or exist in a form of discrete elements; the original physical quantity sampling module and the data transmission module can be integrated together or exist in the form of discrete components; the data transmission module and the display and/or receiving device may be integrated together or may exist in the form of discrete components; the display and/or receiving device and the information center system may be integrated together or may exist as discrete components. The specific manner in which they are integrated and discrete should be understood by those skilled in the art and will not be described in detail herein.
The physical quantity conversion circuit may take various forms, and the present invention will be described in detail with reference to specific examples.
Example 1
Referring to fig. 2, a schematic diagram of the physical quantity conversion circuit according to the present embodiment is shown.
The components labeled 101, 102, 103, 104, 105 in the figures are circuit modules, devices, or specific equipment of a single-port, dual-port, or multi-port network. The method comprises the following steps:
signal generator 101: a circuit module, device or specific apparatus, through the circuit function of which a specific signal of a specific waveform, amplitude, phase, etc. is output. The specific signal includes square wave, sine wave, cosine wave, triangular wave, etc. with a specified duty cycle, and also includes other waveforms with controllable integrated energy (within a specified oscillation period (s)), a specified signal range integrated over time, and as a result, the magnitude of which can be controlled by a program or circuit component or other means.
The first driver 102: the circuit module, device or specific equipment can implement shaping, filtering, isolating, or increasing driving capability (one or two of signal output voltage and current) of the signal output by the signal generator 101 through its circuit function, or can be a device directly connected with two ends of a wire, a printed circuit, a short-circuiting device, etc.
The first controller 103: a circuit module, a device or a specific apparatus, by which the specific waveform of the signal generator 101 driven by the first driver 102 is controlled accordingly. Depending on the circuit function, the module or device may be a field effect transistor (N-type or P-type), a transistor (NPN-type or PNP-type, or darlington-type), a thyristor device, an integrated switching device, an analog switching device, a relay, a logic gate device (nand gate or and or gate, or other digital logic device), an integrated comparator device (e.g., LM 393), or the like, and other circuit module devices or devices that control the output signal function by the input signal may be implemented.
The second driver 104: a circuit module, device or specific apparatus implements a driving function for the independent variable controlled dependent variable signal from the signal generator 101 output by the first controller 103. Including shaping, or filtering, or isolating, or increasing its driving capability (increasing one or both of signal output voltage and current), or devices directly connected to both ends, such as wires, printed circuits, shorts, etc.
The first converter 105: the circuit module, device or specific apparatus converts the dependent variable signal controlled for the independent variable by the signal generator 101 from the second driver 104 into an analog resistance signal, or an analog voltage signal, or an analog current signal. The device can be a potentiometer or a similar functional module, a DAC device or module, a current control constant current source, a voltage control constant current source and the like, and can realize the function of converting a controlled signal into an analog resistor, voltage or current signal.
Referring to fig. 3, which is a preferred embodiment of the present embodiment, a person skilled in the art can implement the function of the physical quantity conversion circuit according to the circuit configuration in the drawing.
Example 2
Referring to fig. 4, a schematic diagram of the physical quantity conversion circuit according to the present embodiment is shown.
The components labeled 201, 202, 203, 204, 205 in the figures are circuit modules, devices, or specific equipment of a single-port, dual-port, or multi-port network.
The principle is described as follows:
The raw physical quantity sampling module is connected to the transducer 203. A constant current source circuit or device and a controlled constant voltage source circuit or device are arranged in the transducer 203, and the constant current source is connected with the original physical quantity sampling module in series to form a constant current signal. The second buffer driver 205 performs signal acquisition and isolation transmission on the original physical quantity sampling module signal accessed to the transducer 203 to the second controller 201, and the second controller 201 performs controlled voltage division or current division on the signal subjected to the isolation transmission according to specific requirements and outputs the signal to the first arithmetic unit 202. Meanwhile, the first buffer driver 204 processes (filters or amplifies, etc.) the original physical quantity sampling module signal of the transducer 203, and outputs it to the first operator 202. The first arithmetic unit 202 performs an arithmetic process of a desired design on two sets of signals from the second controller 201 of the first buffer driver 204, and outputs the processed signals to the controlled constant voltage source inside the transducer 203. Because the constant current source in the transducer 203 is fixed, the constant voltage source is controlled by the design requirement, and the constant voltage source is controlled according to the ampere law variant of part of circuits: r=u/I, it is possible that the output resistance of the transducer 203 is affected by an internal constant voltage source and is linear. And meanwhile, the constant voltage source is controlled, and the output resistor is controlled, so that the aim of program-controlled output resistor is fulfilled.
The second controller 201: the signal from the second buffer driver 205 is divided or divided as required and outputted to the subsequent circuit. The circuit or module may be a resistor network, digital potentiometer, voltage divider 302, rotary potentiometer, etc., as well as other components, circuit modules, etc. that may perform the described functions.
The first operator 202: the voltage or current signal outputted from the second controller 201 and the voltage or current signal outputted from the first buffer driver 204 are subjected to a specific operation, and the voltage or current signal obtained as a result of the operation is outputted to the subsequent circuit. The circuit or module may be an operational amplifier, a comparator, an MCU, etc., and also include other components, circuit modules, etc. that may perform the described functions.
Transducer 203: the signal output from the first arithmetic unit 202 is converted, and the control signal for designating output is converted into a designated voltage output, and is output through the internal constant voltage source circuit. The circuit internally contains one or more constant voltage source circuits or modules and one or more constant current source circuits or modules. The constant current source is connected with the original physical quantity sampling module in series; the constant voltage source is controlled by the output signal of the arithmetic unit, so as to control the output resistance. The circuit may be a resistor network, an operational amplifier, a proportional amplifier, an amplifier for an instrument, etc., and may also include other circuits or modules that may perform the described functions.
First buffer driver 204, second buffer driver 205: and a circuit structure or module for providing buffering, amplifying, filtering, isolating and other functions for the input voltage or current signal. The circuit or module may be a voltage follower, a follower, an integrated driver, a single multiplier benefit amplifier, etc., and may also include other components, circuit modules, etc. that may perform the described functions.
Referring to fig. 5, which is a preferred embodiment of the present embodiment, a person skilled in the art can implement the function of the physical quantity conversion circuit according to the circuit configuration in the drawing.
Example 3
Referring to fig. 6, a schematic diagram of the physical quantity conversion circuit according to the present embodiment is shown.
The components numbered 301, 302, 303, 304, 305, 306 in the figures are circuit modules, devices, or specific equipment of a single-port, dual-port, or multi-port network.
Description of overall function:
The original physical quantity sampling module is connected to the second converter 304, and the input signal of the original physical quantity sampling module is transmitted to the voltage divider 302 through the third buffer driver 301, and the voltage divider 302 performs voltage division processing of a set proportion on the signal and then transmits the signal to the second arithmetic unit 303. The external probe added to the second converter 304 and the sampling circuit inside the second converter 304 form a loop, so that the signals at two ends of the sampling circuit of the second converter 304 are changed, the changed signals are isolated and transmitted to the feedback device 305 through the fourth buffer driver 306, and the feedback device 305 processes the sampled signals according to specific requirements and then transmits the processed signals to the second arithmetic device 303. The second arithmetic unit 303 performs a specific required operation on the signals input by the voltage divider 302 and the feedback unit 305, and then transmits the operation result signal to the driving control circuit of the second converter 304, and after the driving control circuit of the second converter 304 responds to the signal by a predetermined response, the output resistance of the second converter 304 is changed accordingly, so that the original physical quantity sampling module detects a resistance value, a voltage value or a current value which is consistent with the system preset.
The second arithmetic unit 303, the second converter 304, the fourth buffer driver 306, and the feedback unit 305 form a closed loop feedback system, and dynamically stabilize the driving circuit output signal of the second converter 304.
Third buffer driver 301, fourth buffer driver 306: and a circuit structure or module for providing buffering, amplifying, filtering, isolating and other functions for the input voltage or current signal. The circuit or module may be a voltage follower, a follower, an integrated driver, a single multiplier benefit amplifier, etc., and may also include other components, circuit modules, etc. that may perform the described functions.
Voltage divider 302: the voltage or current signal outputted from the third buffer driver 301 is divided or divided by a set ratio value and outputted to a subsequent circuit. The circuit or module may be a resistor network, rotary potentiometer, digital potentiometer, integrated DAC device, etc., and also include other components and circuit modules that may perform the described functions.
The second operator 303: the voltage or current signal outputted from the third buffer driver 301 and the voltage or current signal outputted from the feedback device 305 are subjected to a specific operation, and the voltage or current signal of the operation result is outputted to the subsequent circuit. The circuit or module may be an operational amplifier, a comparator, an MCU, etc., and also include other components, circuit modules, etc. that may perform the described functions.
The second converter 304: a circuit or module responsive to the operation result output by the second operator 303 includes one or more driving circuits and one or more sampling circuits. The driving circuit is responsible for outputting the operation result outputted from the second operator 303 in a predetermined form (voltage, current, resistance, etc.); the sampling circuit load samples the signal output from the driving circuit and inputs the signal to the feedback device 305 through the fourth buffer driver 306. The driver may be a field effect transistor (Nmos or Pmos), a transistor (NPN or PNP), a darlington, a thyristor, etc., and may also include other circuits or modules that may perform the described functions; the sampling circuit may be a sampling resistor, an integrated current-voltage sampling circuit, etc., as well as other circuits or modules that may perform the described functions.
Feedback unit 305: the signal output from the sampling circuit of the second converter 304 is subjected to operation, filtering, amplification, shaping, and the like, and is fed back (positive feedback or negative feedback) to a circuit or module of the second operator 303 of the operator. The circuit may be a resistor network, an operational amplifier, a proportional amplifier, an amplifier for an instrument, etc., and may also include other circuits or modules that may perform the described functions.
Referring to fig. 7, which is a preferred embodiment of the present embodiment, a person skilled in the art can implement the function of the physical quantity conversion circuit according to the circuit configuration in the drawing.
The application provides a method for accessing another physical quantity such as a non-standard acquisition end by utilizing an original interface of a display end or a storage end or an execution end. In particular to practical medical application, namely various novel wearable devices which are widely appeared, various acquisition quantities are provided, and a HIS system of a hospital can be accessed through a standard monitor by using a method. The scheme solves the problem that the nonstandard equipment is difficult to access the information center system, provides a method for rapidly entering medical grade for the wearable equipment which appears in large quantity in the future, can greatly promote popularization of the wearable equipment, is easy to access in a hospital scene, and can also stimulate research and development of the wearable equipment. The access scene of the hospital is only one specific application of the scheme in the medical industry, and the same problems are necessarily existed in other industries related to measurement, acquisition, display and storage, and the scheme can be adopted to solve.
The multi-parameter monitoring system is convenient to access the data acquired by the original physical quantity sampling module into the system in a ward and an operating room, and can be continuously worn before, during and after operation and continuously monitored. The wireless connection mode can also facilitate the free movement of patients. The noninvasive sensor avoids damaging the body of a patient, and greatly reduces the pre-operation preparation work of medical staff; such as avoiding the need to install an invasive probe into the patient prior to surgery. In addition, the data of the original physical quantity sampling module can be accessed into an information center system through display and/or receiving equipment, so that development and popularization of use of the wearable equipment are accelerated.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A multi-parameter monitoring system, characterized by: the system comprises at least one original physical quantity sampling module, at least one physical quantity conversion module, at least one data transmission module and at least one display and/or receiving device, wherein the data transmission module is arranged between the original physical quantity sampling module and the physical quantity conversion module in a wired or wireless mode, and the display and/or receiving device is connected with the physical quantity conversion module; the physical quantity conversion module at least comprises a physical quantity conversion circuit; the physical quantity conversion module further comprises an interface conversion circuit which is arranged between the physical quantity conversion circuit and the display and/or receiving device in a wired or wireless mode; the physical quantity conversion circuit comprises a second controller, a first arithmetic unit, a transducer, a first buffer driver and a second buffer driver, wherein the second controller is connected with an original physical quantity sampling module or a data transmission module, the transducer is connected with the interface conversion circuit or the display and/or receiving device, the transducer is respectively connected with the first arithmetic unit, the first buffer driver and the second buffer driver, the first arithmetic unit and the first buffer driver are connected with the second controller, and the second buffer driver is connected with the second controller;
the second controller divides or shunts the signal from the second buffer driver to a specific requirement and outputs the signal to the post-stage circuit; the first arithmetic unit carries out specific required operation on the voltage or current signal output by the second controller and the voltage or current signal output by the first buffer driver, and outputs the voltage or current signal of the operation result to the later-stage circuit; the transducer converts the signal output by the first arithmetic unit, converts the control signal of appointed output into appointed voltage output, and outputs the appointed voltage output through the internal constant voltage source circuit; the first buffer driver and the second buffer driver are circuit structures or modules for performing buffering, amplifying, filtering and isolating operations on input voltage or current signals.
2. The multi-parameter monitoring system of claim 1, wherein: an information center system is also included that is connected to the display and/or receiving device by wired or wireless means.
3. A multiparameter monitoring system according to claim 1 or 2, wherein: the original physical quantity sampling module comprises an in-vitro original physical quantity sampling module and an invasive original physical quantity sampling module.
4. A multi-parameter monitoring system as defined in claim 3, wherein: the external original physical quantity sampling module is a sensor component or a circuit, and the invasive original physical quantity sampling module is an invasive probe component or a circuit.
5. The multi-parameter monitoring system of claim 1, wherein: the display and/or receiving device comprises a display or a monitor.
6. The multi-parameter monitoring system of claim 2, wherein: the information center system comprises a hospital HIS device, an LIS device and a PACS device.
7. The multi-parameter monitoring system of claim 1, wherein: the data transmission module comprises a wired module, a Bluetooth module, a WIFI module, a ZIGBEE module, a Sub-1G module, a GPRS module and a 2/3/4/5G module.
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