CN208988880U - A kind of cardiopulmonary exercise evaluating system - Google Patents

Abstract

The utility model discloses a kind of cardiopulmonary exercise evaluating systems, including cardiopulmonary exercise analytical unit, cardiopulmonary exercise analytical unit described in the cardiopulmonary exercise analytical unit is connected separately with exercise ECG acquisition unit and lung function acquisition unit, and the lung function acquisition unit is connected with lung function human body sampling unit.The utility model has the beneficial effects that measuring the gas flow in respiratory by the way of pressure difference, measurement accuracy is high, is provided with detachable structure between differential pressure generator and measurement plug, realizes the disposable of differential pressure generator, is not necessarily to cleaning and sterilizing；With calibrating function, the accuracy of data is effectively increased.

Description

A kind of cardiopulmonary exercise evaluating system

Technical field

The utility model relates to lung function to evaluate and test equipment technical field, it particularly relates to a kind of cardiopulmonary exercise evaluation and test system System.

Background technique

Cardiopulmonary evaluation and test is the whole evaluation and test carried out to the lung and cardiac function of people, is generally used for the breath cycle system of detection people System and blood circulation system and metabolic function are the main methods for detecting human body cardio-pulmonary function.

Pulmonary function test is one of necessary inspection of respiratory disease, and pulmonary function test includes ventilatory function, ventilation function Energy, respiratory regulation function and pulmonary circulatory function etc., are required to measure gas flow.There are precision for traditional flow measurement The problems such as difference, cleaning and sterilizing is inconvenient.

For the problems in the relevant technologies, currently no effective solution has been proposed.

Utility model content

For above-mentioned technical problem in the related technology, the utility model proposes a kind of cardiopulmonary exercise evaluating systems, use The mode of pressure difference measures the gas flow in respiratory, and measurement accuracy is high, disposable, is not necessarily to cleaning and sterilizing.

To realize the above-mentioned technical purpose, the technical solution of the utility model is achieved in that

A kind of cardiopulmonary exercise evaluating system, including cardiopulmonary exercise analytical unit, the cardiopulmonary exercise analytical unit include electricity Brain, the cardiopulmonary exercise analytical unit are connected separately with exercise ECG acquisition unit and lung function acquisition unit, the movement heart Electric acquisition unit includes electrocardiogram equipment, and the lung function acquisition unit includes differential pressure flow sensor, the lung function acquisition unit It is connected with lung function human body sampling unit, the lung function human body sampling unit includes differential pressure generator, the differential pressure generator Be provided with shunting column between its input end and its outlet end including sampling pipe, in the sampling pipe, the shunting column with it is described It is provided with several gaps that can be supplied stream and pass through between the inner wall of sampling pipe, is provided with mutually isolated two in the shunting column Acquisition cavity offers pressure interface corresponding with the differential pressure flow sensor on two acquisition cavities, one of them The acquisition cavity passes through the acquisition port opened up thereon and is connected with the input end, another described acquisition cavity by opening up thereon Acquisition port be connected with the outlet end.

Further, filter screen, the input end are provided at the position close to the input end in the sampling pipe It is connected with seaming or mask.

Further, exercise blood pressure acquisition unit and movement power hair is also respectively connected in the cardiopulmonary exercise analytical unit Raw metering units, the exercise blood pressure acquisition unit includes electronic sphygmomanometer, and it includes function that metering units, which occur, for the movement power One of rate vehicle, treadmill, four limbs linkage rehabilitation training instrument are a variety of.

Further, the lung function acquisition unit is also connected with movement blood oxygen acquisition unit, the movement blood oxygen acquisition Unit includes blood oxygen probe.

Further, the lung function human body sampling unit further includes gas sampler, and the gas sampler setting exists In the measurement plug being detachably connected with the sampling pipe, the head end of the gas sampler is connected with pressure pipe, the pressure Pipe matches connection with the pressure interface, and the differential pressure generator, the end of the gas sampler are arranged on the pressure pipe End is provided with composition measurement mouth.

Further, the lung function acquisition unit further includes gas composition sensor, and the gas composition sensor connects The composition measurement mouth is connect, the gas composition sensor includes oxygen sensor, carbon dioxide sensor, internal temperature sensor Device and line-pressure sensor.

Further, the lung function acquisition unit demarcates unit by lung function and connects the cardiopulmonary exercise analysis list Member, the lung function calibration unit includes environment demarcating module, flow calibration module and gas componant demarcating module, the environment Demarcating module includes Temperature Humidity Sensor and gas pressure sensor, the flow calibration module include manual scaling module or from Dynamic scaling module, the manual scaling module includes the calibration bucket for connecting the differential pressure flow sensor, described automatic fixed Marking module includes current stabilization pipeline, and the air inlet of the current stabilization pipeline is provided with blower, and the air outlet of the current stabilization pipeline is set respectively It is equipped with high-precision flow sensor and the flow output interface for connecting the differential pressure flow sensor, the blower and institute It states high-precision flow sensor and is all connected with processor, be provided on the processor for connecting the differential pressure flow sensor Interface, the gas componant demarcating module includes two simulations pipe corresponding with the gas composition sensor, described in two Simulation pipe respectively connects a gas tank by pressure reducing valve, and the calibrating gas of human body sucking is loaded in one of gas tank, another It is loaded with the calibrating gas of characteristics of contaminated respiratory droplets in gas tank, is provided with solenoid valve, the solenoid valve and the gas on the simulation pipe Component sensor is all connected with the processor.

Further, the lung function acquisition unit wireless communication connects the lung function and demarcates unit.

Further, display unit and print unit is also respectively connected in the cardiopulmonary exercise analytical unit.

Further, it is provided with fixture block and guide pad on the middle part outer wall of the sampling pipe, is arranged on the measurement plug There is the claw matched with the fixture block, the guide groove matched with the guide pad is provided on the claw.

The utility model has the beneficial effects that measuring the gas flow in respiratory, measurement accuracy by the way of pressure difference Height is provided with detachable structure between differential pressure generator and measurement plug, realizes the disposable of differential pressure generator, be not necessarily to Cleaning and sterilizing；With calibrating function, the accuracy of data is effectively increased.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.

Fig. 1 is the functional block diagram of the cardiopulmonary exercise evaluating system according to the utility model embodiment；

Fig. 2 is the schematic diagram of the differential pressure generator according to the utility model embodiment；

Fig. 3 is the cross-sectional view of the differential pressure generator according to the utility model embodiment；

Fig. 4 is the schematic diagram that column is shunted according to the utility model embodiment；

Fig. 5 is the schematic diagram after the differential pressure generator according to the utility model embodiment is connect with measurement plug；

Fig. 6 is the functional block diagram of the auto-scaling module according to the utility model embodiment.

In figure:

1, sampling pipe；2, input end；3, outlet end；4, column is shunted；5, acquisition cavity；6, pressure interface；7, acquisition port；8, mistake Strainer；9, composition measurement mouth；10, fixture block；11, guide pad；12, claw；13, plug is measured；14, line outlet.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to In the range of the utility model protection.

As shown in figures 1 to 6, a kind of cardiopulmonary exercise evaluating system according to the utility model embodiment, including the movement heart Lung analytical unit, the cardiopulmonary exercise analytical unit includes computer, and the cardiopulmonary exercise analytical unit is connected separately with the movement heart Electric acquisition unit and lung function acquisition unit, the exercise ECG acquisition unit includes electrocardiogram equipment, which is characterized in that the lung function Energy acquisition unit includes differential pressure flow sensor, and the lung function acquisition unit is connected with lung function human body sampling unit, described Lung function human body sampling unit includes differential pressure generator, and the differential pressure generator includes sampling pipe 1, at it in the sampling pipe 1 It is provided between input end 2 and its outlet end 3 and shunts column 4, be provided between shunting column 4 and the inner wall of the sampling pipe 1 Several gaps that can be supplied stream and pass through are provided with two mutually isolated acquisition cavities 5, two acquisitions in the shunting column 4 Pressure interface 6 corresponding with the differential pressure flow sensor is offered on chamber 5, one of them described acquisition cavity 5 passes through it On the acquisition port 7 that opens up be connected with the input end 2, another described acquisition cavity 5 passes through the acquisition port 7 opened up thereon and institute Outlet end 3 is stated to be connected.

In a specific embodiment of the utility model, in the sampling pipe 1 at the position close to the input end 2 It is provided with filter screen 8, the input end 2 is connected with seaming or mask.

In a specific embodiment of the utility model, movement blood is also respectively connected in the cardiopulmonary exercise analytical unit Press acquisition unit and movement power that metering units occur, the exercise blood pressure acquisition unit includes electronic sphygmomanometer, the movement It includes one of Power Vehicle, treadmill, four limbs linkage rehabilitation training instrument or a variety of that metering units, which occur, for power.

In a specific embodiment of the utility model, the lung function acquisition unit is also connected with movement blood oxygen acquisition Unit, the movement blood oxygen acquisition unit includes blood oxygen probe.

In a specific embodiment of the utility model, the lung function human body sampling unit further includes gas sampling Pipe, the gas sampler are arranged in the measurement plug 13 being detachably connected with the sampling pipe 1, the gas sampler Head end is connected with pressure pipe, and the pressure pipe matches connection with the pressure interface 6, the pressure difference is arranged on the pressure pipe Generator, the end of the gas sampler are provided with composition measurement mouth 9.

In a specific embodiment of the utility model, the lung function acquisition unit further includes gas componant sensing Device, the gas composition sensor connect the composition measurement mouth 9, and the gas composition sensor includes oxygen sensor, two Aoxidize carbon sensor, internal temperature sensor and line-pressure sensor.

In a specific embodiment of the utility model, the lung function acquisition unit is demarcated unit by lung function and is connected The cardiopulmonary exercise analytical unit is connect, the lung function calibration unit includes environment demarcating module, flow calibration module and gas Ingredient demarcating module, the environment demarcating module include Temperature Humidity Sensor and gas pressure sensor, the flux scale cover half Block includes manual scaling module or auto-scaling module, and the manual scaling module includes for connecting the differential pressure flow sensing The calibration bucket of device, the auto-scaling module include current stabilization pipeline, and the air inlet of the current stabilization pipeline is provided with blower, described steady The air outlet on flow tube road is respectively arranged with high-precision flow sensor and the flow for connecting the differential pressure flow sensor Output interface, the blower and the high-precision flow sensor are all connected with processor, are provided on the processor for connecting The interface of the differential pressure flow sensor is connect, the gas componant demarcating module includes corresponding with the gas composition sensor Two simulations pipe, two simulations pipes are loaded with human body in one of gas tank respectively by pressure reducing valve one gas tank of connection The calibrating gas of sucking is loaded with the calibrating gas of characteristics of contaminated respiratory droplets in another gas tank, is provided with solenoid valve on the simulation pipe, The solenoid valve and the gas composition sensor are all connected with the processor.

In a specific embodiment of the utility model, the lung function acquisition unit wireless communication connects the lung function Unit can be demarcated.

In a specific embodiment of the utility model, it is single that display is also respectively connected in the cardiopulmonary exercise analytical unit Member and print unit.

In a specific embodiment of the utility model, 10 He of fixture block is provided on the middle part outer wall of the sampling pipe 1 Guide pad 11 is provided with the claw 12 matched with the fixture block 10 on the measurement plug 13, is provided on the claw 12 The guide groove matched with the guide pad 11.

In order to facilitate the above-mentioned technical proposal for understanding the utility model, below by way of specifically used mode to the utility model Above-mentioned technical proposal be described in detail.

Differential pressure generator described in the utility model measures breathing using differential pressure (pressure difference in two acquisition cavities 5) mode Two-way gas flow in the process, since it realizes flow measurement by measurement pressure difference, relative to traditional flow sensor, The advantages that with precision height, stability is good, and vibration is insensitive, at low cost.

The middle part of sampling pipe 1 shunts the middle part that sampling pipe 1 is arranged in column 4 to contract.Shunting column 4 is rhombus column.Pressure difference Generator to the structure of contract and shunts column 4 by the middle part of sampling pipe 1, can under big process ratio stabilizing gas split point, make Gas instantaneous flow measurement accuracy is within 3%.

Filter screen 8 is set at input end 2, foreign matter, saliva etc. can be intercepted under the premise of not interfering flow detection.

It is provided with detachable structure between differential pressure generator and measurement plug 13, can make to measure plug 13 and differential pressure generator Quick separating realizes the disposable of differential pressure generator, removes cleaning and sterilizing from.

There is the shunting column 4 of runner (to contract in the middle part of i.e.) and diamond shape of decrement on sampling pipe 1, it can be under big process ratio Stabilizing gas split point makes gas instantaneous flow measurement accuracy in the 3% of current measurement value, (i.e. by two split points of measurement Acquisition port 7) pressure difference, the two-way gas flow of measured's breathing gas can be extrapolated.Measurement plug 13 is integrated with pressure difference Sensor, there is the pressure pipe and composition measurement mouth 9 to match with pressure interface 6, and measurement plug 13 passes through claw 12 and 1 phase of sampling pipe Even, fixture block 10 and guide pad 11 are equipped on the outside of sampling pipe 1, it is convenient to be clamped with claw 12, to realize sampling pipe 1 and measurement plug 13 quick combine separates；Sampling pipe 1 can be disposable, removes cleaning and sterilizing from, avoids cross-infection, easy-to-use.

Measuring has gas sampler in plug 13, be connected with dehumidification pipe on the gas sampler being connected with input end 2, The vapor in gas that dehumidification pipe can breathe out measured is discharged, and keeps the gas humidity sampled and ambient humidity equal.It is good Be in: measurement ambient humidity than measure people's exhaled gas humidity be easier, the complexity of design is low, improves measurement data Precision.The line outlet 14 passed through for conducting wire is offered on measurement plug 13.

Measurement plug 13 is used to acquire the real-time traffic of measured's breathing and the oxygen and carbon dioxide of flow velocity, breathing gas Real-time component value.

Differential pressure flow sensor is used for for measuring the gas differential pressure of differential pressure generator generation and being converted to digital signal The calculating of flow velocity and flow.

Real-time component value of the gas composition sensor for measuring measured under motion conditions, when breathing.Oxygen sensor Device and carbon dioxide sensor are fast response formula sensor, and response time T90 is less than 200ms, i.e., measures within 200ms Data reach actual value and stabilization.The error for eliminating gas composition sensor keeps test result more accurate.

Input end 2 and the mask or seaming of sampling pipe 1 are detachably connected by differential pressure generator when specifically used, sampling Pipe 1 connect with measurement plug 13, and measured is with good mask or seaming breathing, and when expiration, air-flow flows to outlet end 3 from input end 2, When air-breathing, air-flow flows to input end 2 from outlet end 3, and air-flow flows through when shunting column 4, and acquired mouth 7 enters acquisition cavity 5, and from taking It crimps mouth 6 and flows into pressure pipe, differential pressure generator measures the gas differential pressure in two pressure pipes and is converted to digital signal, air-flow It is flowed out through gas sampler from composition measurement mouth 9 after pressure pipe outflow, gas composition sensor measures at composition measurement mouth 9 The real-time component value of oxygen and carbon dioxide.

Lung function human body sampling unit includes seaming or mask, differential pressure generator, gas sampler, and seaming or mask are used for The gas collection that measured is breathed, and be oriented to and pass to differential pressure generator and gas sampler.Doctor can be according to tester Actual conditions, select for measured.

Differential pressure generator use unique gas flow guidance structure, can under wide range ratio stabilizing gas split point, make gas Instantaneous flow measurement accuracy, by measuring the pressure difference of two split points, can extrapolate measured's breathing gas in 3% Bidirectional traffics.

By dehumidification pipe, the vapor discharge line in gas that can breathe out measured makes to sample gas sampler Gas humidity and ambient humidity it is equal.

Lung function acquisition unit is used to acquire the real-time traffic of measured's breathing and the oxygen and dioxy of flow velocity, breathing gas Change the real-time component of carbon.Lung function acquisition unit includes differential pressure flow sensor, oxygen sensor, carbon dioxide sensor, interior Portion's temperature sensor, line-pressure sensor.

Differential pressure flow sensor is used to measure the gas differential pressure of differential pressure generator generation and is converted to digital signal, for flowing The calculating of speed and flow.

Oxygen sensor and carbon dioxide sensor, for measuring measured under motion conditions, when breathing it is real-time at Score value.It is fast response formula sensor, response time T90 is less than 200ms, i.e., the data measured within 200ms reach real Actual value and stabilization.The composition profiles of test are modified using dynamic compensation algorithm simultaneously, the respective response time is promoted to T90 Less than 80ms, the error of sensor is eliminated, keeps test result more accurate.

Since gas componant samples, increase internal temperature sensor, loine pressure bigger by temperature, pressure influence Sensor, internal temperature sensor the data to oxygen sensor and carbon dioxide sensor can carry out temperature-compensating in real time, Improve data precision.

Line-pressure sensor, can pressure change in detection gas sampling pipe, early warning is carried out to the abnormal conditions of pipeline.

Lung function acquisition unit facilitates pendant using battery power supply, portable design, wireless transmission (having wireless communication module) It wears.

It includes environment demarcating module, flow calibration module and gas componant demarcating module that lung function, which demarcates unit,.For right Differential pressure flow sensor and gas composition sensor (including oxygen sensor, carbon dioxide sensor) are demarcated and are calibrated.

Environment scaling module, is mainly made of Temperature Humidity Sensor and gas pressure sensor, is capable of measuring current environment temperature Humidity and atmospheric pressure, for gas flow rate flow and gas componant in respiratory to be normalized.Due to gas The numerical value of flow and ingredient is influenced very big by environment temperature, humidity and pressure, for the accuracy of measurement, is needed different rings The gas flow and fractional value measured under the conditions of border, the gas flow and ingredient being converted under normal temperature, humidity and pressure Numerical value, so as to clinical judgment.

Flow calibration module, it is optional to match manual scaling module and auto-scaling module.Flow occurs in manual scaling module Device is the calibration bucket of 3L, differential pressure generator is connected with calibration bucket, push-and-pull calibration bucket carries out the two-way calibration of flow rate, meter Calculate calibration coefficient.Auto-scaling module is using blower, the flow sensor and processor of higher precision, by differential pressure generator It is connected with auto-scaling module, carries out two-way calibration automatically, it is convenient and efficient to be not required to human intervention.Differential pressure flow can be improved in the module Sensor measuring accuracy, the validity for guaranteeing test, wherein blower is for generating air-flow different in flow rate.Air-flow passes through steady flow pipe Road forms the air-flow of flow speed stability, to improve the precision of subsequent measurement.Air-flow passes through high-precision flow sensor, high-precision Flow sensor measures the actual flow size of air-flow.Air-flow is through inflow-rate of water turbine output interface, and flow output interface is for the company of installation Connect differential pressure generator.Processor includes single-chip microcontroller, for controlling blower, so that blower is generated air-flow different in flow rate, while can obtain The flow number of high-precision flow sensor is taken, and obtains the flow number of flow sensor to be calibrated, passes through what be will acquire Flow number compares, and can obtain calibration coefficient.When specifically used, differential pressure generator is mounted on flow output interface position It sets, differential pressure flow sensor is connect with processor communication, processor controls blower, it is made to generate air-flow different in flow rate, gas By being detected respectively by high-precision flow sensor and differential pressure flow sensor after current stabilization pipeline current stabilization, high-precision flow passes stream The flow number that sensor will test is sent to processor as standard value, the flow number that differential pressure flow sensor will test Processor is sent to as measured value, standard value is compared by processor with measured value, obtain calibration coefficient, processor ( Other calibrating instruments can be used) differential pressure flow sensor is demarcated.

Gas componant scaling module, by the two bottled gas tanks for having calibrating gas, simulation pipe, pressure reducing valve, solenoid valve, processor Composition, gas tank and pressure reducing valve are for simulating human normal breathing.Two simulations, which are managed, shares a connecting interfaces, by should when measurement Connecting interface is connect with differential pressure generator, and gas componant scaling module is used to carry out oxygen sensor and carbon dioxide sensor Dynamic calibration improves measuring accuracy.The percentage by volume of each ingredient of calibrating gas in one bottle of gas tank is as follows: 0.05% CO2,21% O2, the gas componant of 78.5% N2(people's sucking)；The body of each ingredient of calibrating gas in another bottle of gas tank Product percentage is as follows: 5% CO2,16% O2, the gas componant of 79%N2(people's exhalation)；Calibrating gas point in two bottles of gas tanks Not Biao Shi people sucking air in gas componant and people exhalation alveolar in gas componant.The standard of high pressure in gas tank Gas flows through pressure reducing valve, pressure reduction, and processor controls two kinds of gases of electromagnetism Vavle switching according to certain frequency switching output to lung The gas of function acquisition unit simulates the state of people's air-breathing and expiration.The oxygen and carbon dioxide of lung function acquisition unit acquisition Signal component value and calibrating gas known to signal component value be compared, calculate calibration coefficient.The calibration process carries out automatically, convenient It fast mustn't human intervention.The measurement accuracy of oxygen sensor and carbon dioxide sensor has been turned up significantly, has guaranteed to survey for the module The validity of examination.

Movement blood oxygen acquisition unit is connected with lung function acquisition unit, acquires the intracorporal blood sample content of motion state servant, Blood oxygen probe can be earclip type or finger-clipped.

Exercise ECG acquisition unit provides the relevant parameters of electrocardio in test process, is passed using wirelessly or non-wirelessly mode Defeated electrocardiogram (ECG) data.

Exercise blood pressure acquisition unit provides the blood pressure parameter in test process.

Moving loads and load parameter in power generation metering units offer test process are provided, are commented convenient for cardiopulmonary exercise Module is surveyed according to the cardiopulmonary index of different load condition evaluation and test measured, Power Vehicle, treadmill, four limbs linkage rehabilitation instruction may be selected Practice instrument etc..

Cardiopulmonary exercise analytical unit is made of computer.

Lung function demarcates unit, exercise ECG acquisition unit, exercise blood pressure acquisition unit, movement power and metering units occurs It is connected with computer, data pass to computer by interface, and when not needing calibration, lung function human body sampling unit collects breathing Gas for lung function acquisition unit acquire related data, gas for lung function acquisition unit and movement blood oxygen acquisition unit will count According to lung function calibration unit is wirelessly sent to, lung function calibration unit directly passes data to computer, is needing When demarcating, the differential pressure generator in lung function human body sampling unit is connect with lung function calibration unit, lung function is acquired Unit is demarcated.Cardiopulmonary exercise test software is installed, cardiopulmonary exercise test software is evaluated and tested comprising static pulmonary function in computer Module and cardiopulmonary exercise evaluation and test module.

Static pulmonary function evaluation and test module is used to test and assess the index of the functions such as the pulmonary ventilation of patient's static state, ventilation, these Data can be automatically entered into cardiopulmonary exercise evaluation and test module, improve the accuracy of cardiopulmonary exercise evaluation and test module.Common Parameters are main Including (but not limited to) inspired vital capacity (VC IN), forced vital capacity (FVC), one second amount (FEV1), forced expiration peak flow velocity (PEF), 75% forced expiratory flow rate (MEF75), 50% forced expiratory flow rate (MEF50), forced expiratory flow rate (MEF25), every Minute maximal ventilatory volume (MVV), tidal volume (VT), flow rate ring etc..

Cardiopulmonary exercise evaluation and test module includes dynamic lung function and the test and assessment for moving heart function, for evaluating and testing patient's Cardiopulmonary index under new motion state.The moving loads curve of measured can be customized, and control power occur metering units into Row is realized；Lung function acquisition unit, movement blood oxygen acquisition unit, exercise ECG acquisition list can be acquired in real time during the test The real time data of metering units occurs for member, exercise blood pressure acquisition unit, movement power, is shown according to Wasserman9 bitmap-format Show, doctor can need to customize the real time data to be showed and curve according to clinical, and set early warning limit value.Common parameter master Oxygen partial pressure (PIO2), suction when carbon dioxide divides (PECO2), air-breathing when oxygen partial pressure (PEO2), expiration when will be comprising exhaling Carbon dioxide partial pressure (PICO2), end-tidal moment oxygen partial pressure (PETO2), end-tidal moment carbon dioxide partial pressure when gas (PETCO2), oxygen uptake (VO2), carbon dioxide output (VCO2), oxygen ventilation equivalent (EqO2), carbon dioxide ventilation equivalent (EqCO2), respiratory exchange rate (RER), breathing reserve (BR), dead space moisture ratio (VD/VT), kilogram oxygen uptake (VO2/kg), the heart Discharge capacity etc..It is automatic after the completion of test to carry out intelligent evaluation, it can either automatically or manually determine movement extreme value and anaerobic threshold and phase Parameter is closed, dynamic flow rate flow ring, internal respiration curve, pneumodynamics curve, basic metabolism and energetic supersession can also be carried out Deng analysis.

Display unit includes two display screens, by heart function and lung function shuangping san, convenient for observation and operation；

Print unit, including printer are used for printing test and assessment report.

Above-mentioned all units are integrated on a boom truck, show cardio-pulmonary function dependence test curve respectively by double screen And parameter and electrocardio test curve and parameter.

In conclusion mainly being made for the rehabilitation department of medical institutions by means of the above-mentioned technical proposal of the utility model With patient, the patient with chronic disease for being mainly used for the undesirable patient of cardio-pulmonary function, needing monitoring cardiorespiratory function status. The incremental movement of load is carried out on treadmill or Power Vehicle by patient, induces the appearance of early symptom, it is early to find early treatment. Rehabilitation can be carried out to patient according to the exercise prescription of the specified personalized safety of the result of evaluation and test simultaneously.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (10)

1. a kind of cardiopulmonary exercise evaluating system, including cardiopulmonary exercise analytical unit, the cardiopulmonary exercise analytical unit includes computer, The cardiopulmonary exercise analytical unit is connected separately with exercise ECG acquisition unit and lung function acquisition unit, and the exercise ECG is adopted Collecting unit includes electrocardiogram equipment, which is characterized in that the lung function acquisition unit includes differential pressure flow sensor, and the lung function is adopted Collection unit is connected with lung function human body sampling unit, and the lung function human body sampling unit includes differential pressure generator, the pressure difference Generator includes sampling pipe (1), is provided with shunting column between its input end (2) and its outlet end (3) in the sampling pipe (1) (4), it is provided with several gaps that can be supplied stream and pass through between shunting column (4) and the inner wall of the sampling pipe (1), described point Two mutually isolated acquisition cavities (5) are provided in fluidization tower (4), are offered and the pressure difference on two acquisition cavities (5) The corresponding pressure interface (6) of flow sensor, one of them described acquisition cavity (5) pass through the acquisition port (7) that opens up thereon with The input end (2) is connected, another described acquisition cavity (5) passes through the acquisition port (7) opened up thereon and the outlet end (3) It is connected.

2. cardiopulmonary exercise evaluating system according to claim 1, which is characterized in that close to institute in the sampling pipe (1) It states and is provided at the position of input end (2) filter screen (8), the input end (2) is connected with seaming or mask.

3. cardiopulmonary exercise evaluating system according to claim 1, which is characterized in that the cardiopulmonary exercise analytical unit also divides It is not connected with exercise blood pressure acquisition unit and metering units occur for movement power, the exercise blood pressure acquisition unit includes electronics blood Pressure meter, it includes one of Power Vehicle, treadmill, four limbs linkage rehabilitation training instrument or more that metering units, which occur, for the movement power Kind.

4. cardiopulmonary exercise evaluating system according to claim 1, which is characterized in that the lung function acquisition unit is also connected with There is movement blood oxygen acquisition unit, the movement blood oxygen acquisition unit includes blood oxygen probe.

5. cardiopulmonary exercise evaluating system according to claim 1, which is characterized in that the lung function human body sampling unit is also Including gas sampler, the gas sampler setting is interior in the measurement plug (13) being detachably connected with the sampling pipe (1), The head end of the gas sampler is connected with pressure pipe, and the pressure pipe matches connection with the pressure interface (6), described to take The differential pressure generator is set in pressure pipe, and the end of the gas sampler is provided with composition measurement mouth (9).

6. cardiopulmonary exercise evaluating system according to claim 5, which is characterized in that the lung function acquisition unit further includes Gas composition sensor, the gas composition sensor connect the composition measurement mouth (9), and the gas composition sensor includes Oxygen sensor, carbon dioxide sensor, internal temperature sensor and line-pressure sensor.

7. cardiopulmonary exercise evaluating system according to claim 6, which is characterized in that the lung function acquisition unit passes through lung Function demarcates unit and connects the cardiopulmonary exercise analytical unit, and the lung function calibration unit includes environment demarcating module, flow Demarcating module and gas componant demarcating module, the environment demarcating module include Temperature Humidity Sensor and gas pressure sensor, The flow calibration module includes manual scaling module or auto-scaling module, and the manual scaling module includes for connecting The calibration bucket of differential pressure flow sensor is stated, the auto-scaling module includes current stabilization pipeline, and the air inlet of the current stabilization pipeline is set It is equipped with blower, the air outlet of the current stabilization pipeline is respectively arranged with high-precision flow sensor and for connecting the pressure difference stream The flow output interface of quantity sensor, the blower and the high-precision flow sensor are all connected with processor, the processor On be provided with interface for connecting the differential pressure flow sensor, the gas componant demarcating module include with the gas at The corresponding two simulations pipe of sub-sensor, two simulation pipes respectively connect a gas tank, one of gas by pressure reducing valve It is loaded with the calibrating gas of human body sucking in tank, the calibrating gas of characteristics of contaminated respiratory droplets, the simulation pipe are loaded in another gas tank On be provided with solenoid valve, the solenoid valve and the gas composition sensor are all connected with the processor.

8. cardiopulmonary exercise evaluating system according to claim 6, which is characterized in that the lung function acquisition unit channel radio Letter connects the lung function and demarcates unit.

9. cardiopulmonary exercise evaluating system according to claim 1, which is characterized in that the cardiopulmonary exercise analytical unit also divides Display unit and print unit are not connected with it.

10. cardiopulmonary exercise evaluating system according to claim 5, which is characterized in that the middle part outer wall of the sampling pipe (1) On be provided with fixture block (10) and guide pad (11), be provided with the card matched with the fixture block (10) on measurement plug (13) Pawl (12) is provided with the guide groove matched with the guide pad (11) on the claw (12).