CN204336917U - The measuring device of human respiratory system's function - Google Patents

Abstract

A kind of measuring device of human respiratory system's function, it is characterized in that, comprise a respiration measurement device, when measurement one human respiratory system's parameter, user is breathed by this respiration measurement device, breathe the respiratory air flow produced and pass through this respiration measurement device, and this respiration measurement device is by measuring the coherent signals such as above-mentioned respiratory air flow measurement, air pressure, temperature, calculate this human respiratory system's parameter by this signal processing module, this human respiratory system's parameter can be shown in a receiving system; This utility model has following advantages: 1, easy structure makes user test voluntarily, improves the convenience that pulmonary is detected, and can make lung disease patient early discovery relevant issues, early treatment by detection mode easily; 2, using absolute atmosphere as calculating human respiratory system parameter, the error caused because measuring site elevation height is effectively reduced.

Description

The measuring device of human respiratory system's function

Technical field

This utility model is a kind of measuring device of human respiratory system's function.

Background technology

In recent years atmospheric pollution is day by day serious, and the situation that disease occurs in pulmonary increases day by day.Common people, for the degradation of pulmonary function, are not easy to subjectively to discover, and not easily found by patient itself, make relevant disease easily miss the opportunity of early treatment because pulmonary related diseases is early stage, and patient is not and react and make doctor easily ignore yet.Even if carry out pulmonary's perspective, also could need find after associated conditions worsens.Tradition checks that lung functions utilizes a Pulmonary function machine to carry out the test of pulmonary function.Wherein Pulmonary function machine must be positioned at the confined space of a constant temperature and pressure, and people are further via the detection carrying out pulmonary function after doctor's instruction.But Pulmonary function machine is bulky, operate very complicated and expensive.Therefore, become except domestic medical device except promoting, also cannot carry with, more cannot test under kinestate.The method of traditional measurement resistance usually retouches instrument method with body and Impulse Oscillation measures, not only equipment more complicated, and the patient of the just alignment degree state of an illness is relatively more effective, and the patient of the slight and severe state of an illness, measurement effect is poor.This Pulmonary function machine because of convenience lower, therefore people usually lose the motivation making regular check on lung functions and the first chance causing missing treatment initial stage pulmonary lesion.Therefore, design a kind of portable Pulmonary function machine compared with low price, and utilize network that the numerical value after measurement is reported to the analytical system of hospital user can be measured and knows that the pulmonary status of oneself is very important.

Utility model content

For solving the shortcoming of respiratory resistance measuring device in existing technology, the utility model proposes a kind of measuring device of human respiratory system's function, it comprises a respiration measurement device, this respiration measurement device comprises a respiration measurement runner and a measurement module, this respiration measurement runner is a hollow pipeline, the air-flow that user is breathed circulates via this hollow pipeline, this measurement module is measured when this respiration measurement runner forms a single-end sealed state, the absolute atmosphere that user respiratory air flow produces, the intra-pulmonary pressure of the corresponding user of this absolute pressure.

Wherein, this measurement module comprises a throttling arrangement, this gas flow and this respiratory air flow thermal module measure this gas flow in this corrugated hose and this respiratory air flow temperature by this throttling arrangement, wherein: this throttling arrangement is arranged in this respiration measurement runner, this throttling arrangement comprises a deflation section, the internal diameter of this deflation section is less than the internal diameter of this throttling arrangement free end, make air-flow by time form air pressure difference, this gas flow and respiratory air flow thermal module measure this pressure reduction that this this throttling arrangement of respiration measurement runner endogenous cause of ill is formed.

And the measuring device of human respiratory system's function comprises an additional measurement device, and the connection of this additional measurement device and a receiving system signal transmission, this additional measurement device comprises a three-way valve, one free gas runner, one breathes measurement gas flow, one measures runner and a control valve, this three-way valve includes three outlets communicated with each other, each outlet connects this free gas runner respectively, this breathing measurement gas flow and this measurement runner, wherein: this three-way valve comprises a valve block, the change in location of this valve block controls this free gas runner, the mode of communicating of this breathing measurement gas flow and this measurement runner, this receiving system controls the change of this valve block position, and this free gas runner and this breathing measure and be connected with this control valve with gas flow, this free gas runner of the on-off control of this control valve and this breathing measurement gas flow are communicated with space outerpace, and this receiving system controls the switch of this control valve.

This breathing measures and is connected with a steel cylinder with gas flow, and this breathing measurement gas flow comprises a gas analysis module, wherein: this breathing measurement gas flow is connected with this steel cylinder via this control valve, what this control valve controlled this steel cylinder internal respiration measurement gas exports in this breathing measurement gas flow; This gas analysis module measures gas concentration and the constituent of the breathing measurement gas in this breathing measurement gas flow; And this breathing measurement is connected with an air bag with gas flow, under making the state of opening at this control valve, this steel cylinder, this breathing measurement gas flow and this air bag communicate with each other.

The measuring device of this human respiratory system's function further comprises a respirator, this respirator is connected with this respiration measurement device, this respirator comprises a cover body and a connecting hole, the profile of this cover body is corresponding with face nose and mouth shape, this connecting hole runs through and arranges this cover body, and this respiration measurement device is connected with this respirator by this connecting hole.

This respirator comprises a filter membrane and a filter membrane presses ring, and the external form of this filter membrane is to should the lateral cross section of this concave surface of cover body; This filter membrane presses that ring is dismountable to be combined with this cover body, makes this filter membrane be fixed in this filter membrane and presses between ring and this cover body.

The measuring device of this human respiratory system's function further comprises a nose Respiration assistance external member, this nose Respiration assistance external member is combined with this respiration measurement device, the free end of this nose Respiration assistance external member has a pair of reclosing head, the width in the corresponding human body nostril of profile of this Double joint and the degree of depth.

The measurement dress of this human respiratory system's function comprises a sanitary kit, wherein: this sanitary kit is an oral area sanitary kit, and this oral hygiene external member is connected with this respiration measurement device; Or this sanitary kit is a nose sanitary kit, this nose sanitary kit is combined with this nose Respiration assistance external member, and this nose sanitary kit is to should the width in nose Respiration assistance external member and human body nostril and the degree of depth.

The measuring device of this human respiratory system's function comprises a respirator, this respirator is connected with this respiration measurement device, this respirator comprises a cover body and a connecting hole, the profile of this cover body is corresponding with face nose and mouth shape, this connecting hole runs through and arranges this cover body, and this respiration measurement device is connected with this respirator by this connecting hole.

This respirator comprises a filter membrane and a filter membrane presses ring, and the external form of this filter membrane is to should the lateral cross section of this concave surface of cover body; This filter membrane presses that ring is dismountable to be combined with this cover body, makes this filter membrane be fixed in this filter membrane and presses between ring and this cover body.

The measuring device of this human respiratory system's function comprises a nose Respiration assistance external member, this nose Respiration assistance external member is combined with this respiration measurement device, the free end of this nose Respiration assistance external member has a pair of reclosing head, the width in the corresponding human body nostril of profile of this Double joint and the degree of depth.

The measuring device of this human respiratory system's function comprises a sanitary kit, wherein: this sanitary kit is an oral area sanitary kit, and this oral hygiene external member is connected with this respiration measurement device; Or this sanitary kit is a nose sanitary kit, this nose sanitary kit is combined with this nose Respiration assistance external member, and this nose sanitary kit is to should the width in nose Respiration assistance external member and human body nostril and the degree of depth.

As shown in the above description, this utility model has following advantages:

1. easy structure makes user test voluntarily, improves the convenience that pulmonary is detected, and can make Pulmonary Disease patients's early discovery relevant issues, early treatment by detection mode easily.

2. easy structure and the cost needed for the detection of mode of operation reduction easily.

3. measurement data can be transmitted in real time or be stored in assigned address by signaling module, the analysis operation that convenient detection is follow-up, such as, and the signal of sensing result can be transmitted by wireless mode: the modes such as wireless network, bluetooth, infrared ray, to provide the convenience of medical personnel's remote monitoring.

4. break through the method for traditional measurement resistance, effective simplified measurement equipment, and patient that is slight and the severe state of an illness can be used in simultaneously.

5. the process that detects by receiving system Long-distance Control of medical personnel.

6., using absolute pressure as calculating human respiratory system parameter, reduce the error because test site elevation height causes greatly.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of this utility model preferred embodiment respirator;

Fig. 2 is the perspective exploded view of this utility model preferred embodiment respirator;

Fig. 3 is the generalized section of this utility model preferred embodiment respiration measurement pipeline;

Fig. 4 is the side schematic view of this utility model preferred embodiment respiration measurement device;

Fig. 5 is the generalized section of this utility model preferred embodiment respiration measurement device;

Fig. 6 is the generalized section of this utility model preferred embodiment throttling arrangement;

Fig. 7 is the system block diagrams of this utility model preferred embodiment;

Fig. 8 is the generalized section of this utility model preferred embodiment additional measurement device;

Fig. 9 is the generalized section of this utility model preferred embodiment three-way valve primary importance;

Figure 10 is the generalized section of this utility model preferred embodiment three-way valve second position;

Figure 11 is the generalized section of this utility model preferred embodiment three-way valve the 3rd position;

Figure 12 is the generalized section of this utility model preferred embodiment nose Respiration assistance external member;

Figure 13 is the generalized section of this utility model preferred embodiment sanitary kit;

Figure 14 is the generalized section of this utility model preferred embodiment nostril sanitary kit.

Description of reference numerals

10, respirator

11, cover body

12, filter membrane

13, filter membrane presses ring

14, connecting hole

15, concave surface

16, convex surface

20, respiration measurement device

21, respiration measurement pipeline

22, sensing perforation

24, measurement module

241, respiratory air flow thermal module

242, modular pressure

243, sense terminals

25, signal processing module

251, central control module 252, transport module

27, power module

28, end plug

281, control valve

29, throttling arrangement

291, pressure guide hole

292, inlet end

293, outlet side

294, section is tightened

295, seal groove

296, sealing ring

30, receiving system

40, nose Respiration assistance external member

60, additional measurement device

61, runner is measured

62, three-way valve

621, valve block

63, air bag

64, steel cylinder

65, free air runner

66, measurement gas flow is breathed

67, gas analysis module

80, sanitary kit

81, oral hygiene external member

82, nostril sanitary kit

Detailed description of the invention

Please refer to Fig. 1 and Fig. 2, creation of the present utility model is a kind of measuring device of human respiratory system's function, it comprises respirator 10 and a respiration measurement device 20, this respirator 10 comprises cover body 11 and a connecting hole 14, the external form of this cover body 11 does not limit, can be the concave Iy curved moulding corresponding with face nose and mouth shape, or be simple circular concave moulding, it comprises concave surface 15 and a convex surface 16, this connecting hole 14 runs through and arranges this cover body 11, this respiration measurement device 20 is connected with this respirator 10 by this connecting hole 14, its connected mode is that this respiration measurement device 20 is inserted this connecting hole 14 by the direction of this convex surface 16.

When user uses creation measurement one human respiratory system's parameter of the present utility model, with this concave surface 15 close to user oral area, after the breathing space that this concave surface 15 is formed covers user oral area, user is breathed by this respiration measurement device 20, breathe the respiratory air flow produced and pass through this respiration measurement device 20, and this respiration measurement device 20 measures coherent signal by measuring above-mentioned respiratory air flow, and calculating this human respiratory system's parameter by this signal processing module 25, the related datas such as this human respiratory system's parameter can be shown in a receiving system 30.Wherein, this human respiratory system's parameter can comprise lung capacity (VC, vital capacity), firmly lung capacity (FVC, forced vital capacity), functional residual capacity (FRC, Functional residual capacity), diffusing capacity (DLCO, diffusing capacity of the lung for carbon monoxide), the related data such as respiratory resistance (airway resistance), total lung capacity (TLC, total lung capacity).

This respirator 10 comprises a filter membrane 12 further and a filter membrane presses ring 13, the external form of this filter membrane 12 may correspond to the lateral cross section of this concave surface 15 of this cover body 11, its size should be equal to or less than the lateral cross-sectional area of this concave surface 15, the dismountable correspondence of this filter membrane 12 is made to be incorporated into this concave surface 15, this filter membrane presses that ring 13 is dismountable to be combined with this cover body 11, and this filter membrane 12 can be fixed in this filter membrane and press between ring 13 and this cover body 11.This filter membrane 12 is one have the thin film of air filtering function or avoid body fluid between mouth and nose to reflux the measurement error caused, and its material may have the material of filtered air effect for non-woven fabrics, active carbon, specific density fabric etc.

Please refer to Fig. 3 and Fig. 4, this respiration measurement device 20 comprises respiration measurement runner 21, measurement module 24, signal processing module 25, end plug 28 and a throttling arrangement 29.Wherein, this respiration measurement runner 21 is a hollow pipeline, and the air-flow that user is breathed can circulate via this hollow pipeline.A free end wherein of this respiration measurement runner 21 is corresponding with this connecting hole 14, make that this respiration measurement runner 21 can respirator 10 be dismountable combines closely with this, and the combination of this free end and this respirator 10 is not limit, can be close-fitting, screw lock, engaging, socket etc.

The dismountable wherein free end being incorporated into this respiration measurement runner 21 of this end plug 28, one end of this respiration measurement runner 21 is made to form sealing, or, this end plug 28 can substitute by a control valve 281, such as, control valve 281a in Fig. 8, by controlling unlatching or the closedown of this control valve 281a, whether manipulate the sealing of this respiration measurement runner 21.User is after this end plug 28 makes this free end of this respiration measurement runner 21 form sealing, by this respirator 10, this respiration measurement runner 21 is blown, now due to the sealing state of this this free end of respiration measurement runner 21, make the air pressure in this respiration measurement runner 21 identical with the air pressure of user pulmonary, this measurement module 24 can measure user one intra-pulmonary pressure thus.

Please refer to Fig. 5 and Fig. 6, this throttling arrangement 29 is provided with in the runner of this respiration measurement runner 21, this throttling arrangement 29 is circulus, the air-flow allowing user breathe by two free ends of this throttling arrangement by this throttling arrangement 29, can be made this measurement module 24 measure this respiration measurement runner 21 user by this throttling arrangement 29 and breathe the air pressure difference produced by this throttling arrangement 29.Wherein this throttling arrangement 29 comprises at least one pressure guide hole 291, inlet end 292, outlet side 293, deflation section 294 and a seal groove 295.This inlet end 292 and this outlet side 293 are respectively two free ends of this throttling arrangement 29, and the stage casing of this throttling arrangement 29 is formed with this deflation section 294, wherein, the internal diameter of this deflation section 294 is less than the internal diameter of this inlet end 292 and this outlet side 293, make air-flow by during this throttling arrangement 29 because different inner diameters produces resistance, and cause the change of air-flow velocity, and then produce the air pressure difference between this inlet end 292 and this outlet side 293.This pressure guide hole 291 is formed at outside the ring of this throttling arrangement 29, and runs through this throttling arrangement 29, and the perforation of this throttling arrangement 29 is in communication with the outside by this pressure guide hole 291.In embodiment of the present utility model, this pressure guide hole 291 multiple is symmetrically formed outside the ring of this inlet end 292 and this outlet side 293 centered by this deflation section 294, make this pressure guide holes multiple 291 of two free ends be all equidistantly with the distance centered by this deflation section 294, make this measurement module 24 can measure air pressure in this throttling arrangement 29 accurately thus.Sealing ring recess 294 can hold a sealing ring 296, makes air-flow completely by this throttling arrangement 29, avoids air-flow to pass through by between the inwall of this throttling arrangement 29 and this respiration measurement runner 21, causes the measurement of this measurement module 24 to produce error.

This measurement module 24 comprises a gas flow and respiratory air flow thermal module 241 and a modular pressure 242, this measurement module 24 arranges arrange contiguous with this respiration measurement runner 21, such as this measurement module 24 be arranged at this respiration measurement runner 21 ring outside, or this measurement module 24 can be arranged in this respiration measurement runner 21.In embodiment of the present utility model, this measurement module 24 to sense pressure, this gas flow and this respiratory air flow variations in temperature in this respiration measurement runner 21 through at least one sensing perforation 22 by least one sense terminals 243.One group of sensing signal is exported to this signal processing module 25 after this sense terminals 243 senses above-mentioned physical quantity variation.Wherein, run through this respiration measurement device 20 outside the ring that this sensing perforation 22 is formed at this respiration measurement runner 21, make this respiration measurement runner 21 by this sensing perforation 22 and ft connection.

This modular pressure 242 has a sense terminals 243, the air pressure of this respiration measurement runner 21 inside is sensed by this sense terminals 243, in time measuring, wherein one this free end of this respiration measurement runner 21 need be formed sealing by this end plug 28 or other seal means, and this group sensing signal comprising the change of this barometric pressure physical amount exports this signal processing module 25 to by this measurement module 24.

This air pressure that this modular pressure 242 senses, with an absolute pressure display, this air pressure that this modular pressure 242 is measured can be avoided the difference because measuring place latitude and cause the error of pressure sensor, makes the numerical value of sensing cannot the intra-pulmonary pressure of essence display user.In embodiment of the present utility model, after this modular pressure 242 measures the relative barometric pressure in this respiration measurement runner 21, further consider that the height above sea level measuring place is to calculate relative atmospheric pressure, is added with the atmospheric pressure measuring place by this relative pressure, calculates this absolute pressure.Wherein, the altitude info ination measuring place by external reception, such as, can be obtained the height above sea level measuring place, and inquires about atmospheric pressure corresponding to this height above sea level by GPS (Global Positioning System) device.Or altitude info ination directly can be inputted by the input equipment be connected with this measurement module 24 by user.

In prior art, commonly using relative pressure as the display packing measuring pressure, relative pressure system is using the atmospheric pressure of measurement environment as zero point, force value lower than atmospheric pressure is then negative value, anti-is then on the occasion of, but atmospheric pressure can change because of height above sea level, the content of citation network data:

" atmospheric pressure can decline along with the lifting of height, and its pass is often improve 12 meters, atmospheric pressure decline 1mm-Hg (1 millimeter of mercury column), or often rises 9 meters, and atmospheric pressure reduces 100Pa.”

As shown in the above, using relative barometric pressure as the deciphering method of numerical value in prior art, easily cause the error caused because measuring place latitude difference, and this case is using this absolute pressure as the display packing measuring pressure, because of not basic as measurement using atmospheric pressure, therefore error can not be produced because of different height above sea levels.

In this gas flow and respiratory air flow thermal module 241, the survey mode of gas flow can be a ultrasonic type or thermal conductivity, in this utility model embodiment, it is pressure reduction by this respiration measurement runner 21 of differential sensing that gas flow in this gas flow and respiratory air flow thermal module 241 senses, gas flow is calculated again with this differential manometer, comprising utility model at least two sense terminals 243, at least two these sense terminals 243 insert two this sensing perforation 22, two these sensings perforation 22 are respectively to should two these pressure guide holes 291 of throttling arrangement 29, two should fall to press hole 291 to be formed at the two ends of this deflation section 294 respectively, make this gas flow and respiratory air flow thermal module 241 can sense pressure reduction and this respiratory air flow temperature at these throttling arrangement 29 two ends.Further, two these pressure guide holes 291 are symmetricly set in this inlet end 292 and this outlet side 293 respectively centered by this deflation section 294, make this gas flow and respiratory air flow thermal module 241 can sense pressure reduction and this respiratory air flow temperature at these throttling arrangement 29 two ends more accurately, this group sensing signal comprising this pressure reduction and this respiratory air flow temperature physical quantity variation exports this signal processing module 25 to by this measurement module 24.Please refer to Fig. 7, this signal processing module 25 can be wireless or wired link with this measurement module 24, when wired connection, this signal processing module 25 directly can receive this group sensing signal that this measurement module 24 exports, or, this measurement module 24 mode of wireless transmission can transmit this group sensing signal to this signal processing module 25, make this signal processing module 25 can with these measurement module 24 wireless connections, its wireless transmission method can be the modes such as wireless network, bluetooth, infrared ray.

This novel real Shi Lizhong, when the measurement of this gas flow is this ultrasonic type, need to be arranged at intervals with two ultrasonic sensing devices further outside the ring of this respiration measurement runner 21, sent by this ultrasonic sensing device one ultrasonic involving calculates this gas flow this hyperacoustic reflex time.When the measurement of this gas flow is this thermal conductivity, the inlet end in this respiration measurement runner 21 need arrange a heater further, calculates this gas flow tactile by measuring the degree that in this respiration measurement runner 21, gas flow temperature rises.

This signal processing module 25 comprises central control module 251 and a transport module 252, after this transport module 252 receives this group sensing signal of this measurement module 24 output, this central control module 251 carries out analyzing and calculating according to this group sensing signal, this transport module 252 exports this human respiratory system's parameter to this receiving system 30 according to the result analyzed and calculate, wherein, this receiving system 30 be can be mobile communication device, mobile phone, desktop computer, panel computer or is shown a Webpage of this human respiratory system's parameter by a webserver.Between this transport module 252 and this receiving system 30, signal transmission mode can be wireless transmission or wired transmission, such as be connected with cable network with this receiving system 30 with this signal processing module 25, or transmit this human respiratory system's parameter to this receiving system 30 in modes such as wireless network, bluetooth, infrared ray, and carry out storage, statistics, the analysis of data further by this receiving system 30 or according to this human respiratory system's parameter, one caution signals sent to this receiving system 30.Further; this receiving system 30 can with a DataBase combining; medical data can be included, such as: other healthy human bodies such as the variation relation information of the numerical value of normal or abnormal human's respiratory system parameter, height above sea level and atmospheric pressure or normal lung range of capacity carry out the data of human respiratory system's parameter measurement gained in this data base.This receiving system 30 utilizes this medical data to add up this human respiratory system's parameter or analyze, such as, this receiving system 30 with the normal human subject respiratory system parameter in this medical data as a preset threshold scope, when this human respiratory system's parameter exceedes this preset threshold scope, export an alarm signal.

What one power module 27 was dismountable or fixing is arranged at this respiration measurement device 20, provides this measurement module 24 or the power supply needed for this signal processing module 25, and wherein this power module 27 can be the adaptor that gang socket connects or the battery detachably replaced.

Please refer to Fig. 9 and Figure 10, this respiration measurement device 20 is connected with an additional measurement device 60, lung capacity test, residual volume test or diffusing capacity test can be carried out by this additional measurement device 60, this group sensing signal is exported to this signal processing module 25 according to this respiration measurement device 20 of test result, this human respiratory system's parameter is exported to this receiving system 30 after carrying out computing by this signal processing module 25, further, this respiration measurement device 20 can be connected with this respirator 10 or this nose Respiration assistance external member 40.This additional measurement device 60 comprises three-way valve 62, steel cylinder 64, air bag 63, free gas runner 65, and breathes the measurement of measurement gas flow 66, a runner 61, multiple this control valve 281a, 218b and a gas analysis module 67, wherein this three-way valve 62 has three outlets be interconnected, and three outlets connect this measurement runner 61, this breathing measurement gas flow 66 and this free gas runner 65 respectively.

This breathing measurement gas flow 66 is provided with this gas analysis module 67, and this gas analysis module 67 is by probe sensing this breathing measurement gas concentration in gas flow 66 or constituent.This breathing measurement gas flow 66 is connected with this air bag 63, this breathing measurement gas flow 66 is formed with this air bag 63 be communicated with, and this air bag 63 can store the breathing measurement gas discharged by this steel cylinder 64, wherein, this air bag 63 is made (such as the macromolecular material such as rubber, silica gel or leather) for elastic material, makes this air bag 63 correspondingly with the increase of gas capacity can expand its spatial accommodation.This breathing measurement free end that gas flow 66 exports in contrast to this three-way valve 62 is connected with this steel cylinder 64, a breathing measurement gas is stored in this steel cylinder 64, this breathing measurement gas is utilized to carry out different pulmonary function test (pft)s, wherein, unlatching or the closedown of this steel cylinder 64 are controlled by this control valve 281b, when this control valve 281b opens, discharge this breathing measurement gas in this steel cylinder 64, this breathing measurement gas can be the carbon monoxide (CO) or helium or oxygen or other special gas that content is 0.3% percentage by weight.Wherein disperse (diffusion) refers to the oxygen and carbon dioxide in alveolar and blood capillary, is carried out the process of gas exchange by alveolar capillary membrane.Diffusion be with alveolar-capillary membrane both sides partial pressure difference for 0.1333kPa (1mmHg) time; Per minute can by tolerance be index, represent with diffusing capacity (diffusion capacity).Diffusion disorder mainly refers to oxygen.Assay method is using carbon monoxide as mensurated gas composition.Advantage is: (1), except a large amount of smoker, the carbon monoxide (CO) that common people enter blood capillary mixed venous blood is almost nil, does not need to calculate; (2) carbon monoxide (CO) and hemoglobin affinity are 210 times of oxygen, suck a small amount of carbon monoxide (CO) by after capillary membrane to blood plasma, enter rapidly erythrocyte to be combined with hemoglobin, plasma concentration of carbon monoxide (CO) dividing potential drop equals zero, and can disregard.When this free gas runner 65 is communicated with this breathing measurement gas flow 66, breathing measurement gas in this breathing measurement gas flow 66 is discharged by this free gas runner 65, wherein, this free gas runner 65 is combined with this control valve 281a, and breathing measurement gas when this control valve 281a opens can discharge via this free gas runner 65.The free end that this breathing measurement exports in contrast to this three-way valve 62 with gas flow 66.

This measurement runner 61 is connected with this respiration measurement device 20, user is allowed to breathe by this respiration measurement device 20, and then carry out different pulmonary function test (pft)s (such as: lung capacity test, residual volume test or diffusing capacity test), wherein, be combined with this control valve 281 between this free gas runner 66 and this respiration measurement device 20, the breath that when this control valve 281 is opened, user is breathed can enter this additional measuring equipment.

This three-way valve 62 can make this three-way valve 62 have different connected states by the change of inner valve block 621 position, a certain outlet of this valve block 621 this three-way valve 62 salable, makes another two to go out interruption-forming and is communicated with.When adjusting the primary importance of this valve block 621 in this three-way valve 62, this measurement runner 61 is communicated with this free air runner 65, user allows user breathe by this respiration measurement device 20 by this respiration measurement device 20 be connected with this measurement runner 61, and the lung capacity (VC of user is measured by this respiration measurement device 20, vital capacity) or total lung capacity (TLC, total lung capacity), during survey calculation, this three-way valve 62 this control valve 281a when this primary importance opens, the air-flow of now user breathing can be entered and enter this respiration measurement device 20 by this additional measuring equipment 60, lung capacity or the total lung capacity of user is calculated by this this gas flow of modular pressure 242 and respiratory air flow thermal module 241.Further, control the switch of this control valve 281a, this control valve 281a closes the seal cavity that formation one comprises this hollow pipeline of this free air runner 65, this measurement runner 61 and this respiration measurement device 20, user is felt elated and exultant in this additional measurement device 60 by this respiration measurement device 20, make the air pressure in sealing space increase, and this modular pressure 242 can carry out the measurement of lung internal gas pressure to the air pressure in sealing space.

When adjusting this primary importance in this three-way valve 62 of this valve block 621, this breathing measurement gas flow 66 is formed closed because of this valve block 621 position, now open and control this control valve 281b of this steel cylinder 64, make this breathing measurement gas flow 66 and this air bag 63 be full of this breathing measurement gas needed for quantitative test.Now this gas analysis module 67 carries out staking-out work, this gas analysis module 67 measures gas concentration in this breathing measurement gas flow 66 or constituent, user is allowed to carry out residual volume (RV, residual volume residual volume), functional residual capacity (FRC, Functional residual capacity) or the test such as diffusing capacity (DLCO, diffusing capacity of the lung for carbon monoxide).In the embodiment of this utility model, set the carbon monoxide that the calibrating gas entered is 0.3% percentage by weight, the concentration values that now this gas analysis module 67 measures is exactly the carbon monoxide content of 0.3% percentage by weight, if the deviation of showing, then can again correct.

Further, when adjusting the second position of this valve block 621 in this three-way valve 62, this breathing measurement gas flow 66 is communicated with this measurement runner 61, and make this gas analysis module 67 sense gas concentration in this breathing measurement gas flow 66 and constituent, user is allowed to measure to carry out residual volume (RV, residual volume residual volume) by sucking this breathing measurement gas.Wherein, this gas analysis module 67 can be and utilizes physicochemical properties to carry out gas concentration and component analysis: as semiconductor-type (Surface controlled type, fixing fabric structure type, surface electrical bit-type), catalytic combustion type, solid thermal conduction etc., or carry out gas concentration and component analysis for utilizing physical property: as thermal conductivity, light interference type, infrared absorption type etc., or for utilizing electrochemical properties to carry out gas concentration and component analysis: as fixed electric potential electroanalysis formula, character used in proper names and in rendering some foreign names cut down Buddhist nun's battery type, barrier film ion electrode formula, stationary electrolyte formula etc.As shown in figure 11, when adjusting three position of this valve block 621 in this three-way valve 62, this breathing measurement gas flow 66 is communicated with this free gas runner 65, opens this control valve 281a, make the breathing measurement gas that this air bag 63 can emptyingly include, to use next time.

This group sensing signal that this above-mentioned measurement module 24 and this additional measurement device 60 sense all is sent to this signal processing module 25, export this human respiratory system's parameter after this signal processing module 25 carries out computing to this receiving system 30, wherein this group sensing signal comprises:

1. lung internal gas pressure (P): by this modular pressure 242 sense this respiration measurement runner 21 1 free end sealed by this end plug 28 after the air pressure of inside, or after being combined with this additional measurement device 60, adjust this valve block 621 this primary importance in this three-way valve 62, and controlling the air pressure of this respiratory capacity measurement flow channel 21 inside after this control valve 281a closedown, now inner air pressure equals this lung internal gas pressure (P) of user;

2. pressure reduction (Δ P): when being breathed by this gas flow and respiratory air flow thermal module 241 sensing user, this pressure reduction (Δ P) produced in this respiration measurement runner 21;

3. respiratory air flow temperature (T): when being breathed by this gas flow and respiratory air flow thermal module 241 sensing user, this respiratory air flow temperature (T) in this respiration measurement runner 21;

4. gas concentration: analyze this gas concentration in this breathing measurement gas flow 66 by this gas analysis module 67.

And this human respiratory system's parameter comprises following data:

1. gas density (ρ): this central control module 251 calculates this gas density (ρ) by this lung internal gas pressure (P) and this respiratory air flow temperature (T);

2. gas flow rate (V): this central control module 251 calculates this gas flow rate (V) by this pressure reduction (Δ P);

3. gas volume (L): sensed this gas flow (Q) in this respiration measurement runner 21 by this respiration measurement device 20, its this gas flow (Q) may correspond to this lung capacity or this total lung capacity of user, and its this lung capacity or this total lung capacity are this gas volume (L);

4. gas flow (Q): calculate this gas flow (Q) by this intra-pulmonary pressure (P), this respiratory air flow temperature (T) and this gas flow rate (V);

5. potential energy (VS): after this potential energy refers to that user is filled gas, when starting venting one's pent-up feelings, this potential energy that the maximum lung internal gas pressure that this respiration measurement device 20 can measure has.When user suctions gas, gas in lung has certain pressure, and there is certain this potential energy (VS), the function that this potential energy (VS) is this lung internal gas pressure (P) and this lung capacity product, and this lung capacity can be obtained by this gas volume (L), wherein, this potential energy (VS) for the function of this lung internal gas pressure (P) and this lung capacity product is: this potential energy (VS)=f (this intra-pulmonary pressure (P) × this lung capacity).

6. kinetic energy (QV): after all gas is breathed out, this potential energy (VS) will all disappear, change this kinetic energy (QV) of breath into, and this kinetic energy (QV) is by measuring the density (ρ) of this gas and this gas flow rate (V) and obtaining, its relational expression is QV=ρ × v ²/ 2;

7. respiratory resistance (R): utilize the energy loss of respiratory tract to react the smooth and easy degree of respiratory tract, using the change of this respiratory resistance (R) as breathing whether smooth and easy index.Because the resistance of user respiratory tract exists, only some becomes this kinetic energy (QV) to this potential energy (VS), its loss part can represent the resistance situation of respiratory tract, and its computational methods are using the difference (VS-QV) of this potential energy (VS) and this kinetic energy (QV) as the parameter representing this airway resistance (R) situation.

Further, this potential energy (VS) and this kinetic energy (QV) can be utilized to calculate a respiratory resistance index, this respiratory resistance index is calculated divided by after this potential energy (VS) by the absolute value of this potential energy (VS) and this kinetic energy (QV) difference (| VS-QV|), and this respiratory resistance index (| VS-QV|/VS) for having the ratio of obvious clinical meaning.

8. kinetic energy loss (QZ): this kinetic energy (QV) lost because of this respiratory resistance (R) when losing this potential energy (VS) when this kinetic energy (QZ) is exhalation, therefore this kinetic energy loss (QZ) with the relational expression of this potential energy (VS) and this kinetic energy (QV) is: this potential energy (VS)=this kinetic energy (QV)+this kinetic energy loss (QZ).Known in this relational expression, this potential energy (VS) and this kinetic energy (QV) are all known, therefore can obtain this kinetic energy loss (QZ).

After this gas analysis module 67 measures the breathing measurement gas concentration in this breathing measurement gas flow 66, export this group sensing signal to this signal processing module 25, this central control module 251 controls the action of this control valve 281a, 281b in this attachment device 60 and this three-way valve 62 according to this sensing signal.Such as according to measurement demand, in time measuring lung capacity or the total lung capacity of user, this valve block 621 that this central control module 251 controls this three-way valve 62 moves to this primary importance.Simultaneously, for carrying out the mechanics of breathing performance measurement of lung, control the switch of this control valve 281a, or, for carrying out residual volume, functional residual capacity, diffusing capacity test, this central control module 251 controls the switch of this control valve 281b to discharge the breathing measurement gas in this steel cylinder 64.

Further, this attachment device 60 can be controlled by this receiving system 30 in embodiment of the present utility model, this valve block 621 that this attachment device 60 comprises and this control valve 281a, 281b and this signal processing module 25 are electrically connected, this receiving system 30 exports one and controls signal to this signal processing module 25, this central control module 251 controls this control valve 281a in this attachment device 60 according to this control signal, the action of this valve block 621 in 281b or this three-way valve 62, such as: healthcare givers moves to primary importance by this receiving system 30 according to different content measurements and this valve block 621 of demand modeling, the second position or the 3rd position, or, control this control valve 281a, the switch of 281b.

Further, this gas analysis module 67 is electrical connected with this signal processing module 25, this signal analyse block 67 and this measurement module 24 can send an alarm signal to this signal processing module 25 according to the result measured, and this alarm signal is sent to this receiving system 30 by this signal processing module 25.In this utility model embodiment, this measurement module 24 and this gas analysis module 67 acquiescence have a warning door, this warning door can be the upper limit of a measurement numerical value, lower limit or a default value scope, such as: for this measurement module 24, this warning door can be minimum gas flow rate, minimum gas volume, the highest respiratory resistance etc., for this gas analysis module 67, this warning door can be the normal concentration or gas componant correctness etc. of this breathing measurement gas.By this alarm signal, long-range healthcare givers understands the situation measured in real time by this receiving system 30.

Please refer to Figure 12, this utility model embodiment comprises a nose Respiration assistance external member 40, this nose Respiration assistance external member 40 can be combined with this respiration measurement device 20, there is provided user by the metering system of respiratory, wherein, one free end of this nose Respiration assistance external member 40 has a pair of reclosing head, and the width in the corresponding human body nostril of profile of this Double joint and the degree of depth, make this free end can engage with human body nostril.

Further, in embodiment of the present utility model, this respiration measurement device 20 and this nose Respiration assistance external member 40 in conjunction with time, measured this respiratory resistance (R) comprises the airway resistance of larynx nasopharynx part and the resistance of lung airways.By subtracting each other having with this respiratory resistance measured in conjunction with nose Respiration assistance external member 40 in conjunction with this nose Respiration assistance external member 40, this respiratory resistance of larynx nasopharynx part can be calculated separately.Breathe the reference index of smooth degree when can be used as judge patient sleeps by this respiratory resistance calculating this larynx nasopharynx part, such as, can be applicable to the symptom basis for estimation that sleep-respiratory stops disease or snoring.

Please refer to Figure 13 and Figure 14, embodiment of the present utility model comprises a sanitary kit 80, and this sanitary kit 80 can be combined with this respiration measurement device 20, and abandons replacement, to maintain the health of measurement after each measurement.Such as, this sanitary kit 80 is an oral area sanitary kit 81, this oral hygiene external member 81 is dismountable to be combined with this respiration measurement device 20, and this oral hygiene external member 81 can be the cylindric or oblate column of a class, makes this oral hygiene external member 81 be easy to user and is connected with oral area.Or this sanitary kit 80 can be a nose sanitary kit 82, two free ends of this nose sanitary kit 82 are all Double joint, and wherein this two free end may correspond to width and the degree of depth in this nose Respiration assistance external member 40 and human body nostril respectively.

As shown in the above description, embodiment of the present utility model has following advantages:

1. easy structure makes user test voluntarily, improves the convenience that pulmonary is detected, and can make Pulmonary Disease patients's early discovery relevant issues, early treatment by detection mode easily.

2. easy structure and side become the cost needed for mode of operation reduction detection.

3. measurement data can be transmitted in real time or be stored in assigned address by signaling module, the analysis operation that convenient detection is follow-up, such as, and the signal of sensing result can be transmitted by wireless mode: the modes such as wireless network, bluetooth, infrared ray, to provide the convenience of medical personnel's remote monitoring.

4. break through the method for traditional measurement resistance, effective simplified measurement equipment, and patient that is slight and the severe state of an illness can be used in simultaneously.

5. the process that detects by receiving system Long-distance Control of medical personnel.

6., using absolute pressure as the parameter calculating human respiratory system's parameter, reduce the error because test site elevation height causes greatly.

Claims (12)

1. the measuring device of human respiratory system's function, it is characterized in that, comprise a respiration measurement device, this respiration measurement device comprises a respiration measurement runner and a measurement module, this respiration measurement runner is a hollow pipeline, and the air-flow that user is breathed circulates via this hollow pipeline, and this measurement module is measured when this respiration measurement runner forms a single-end sealed state, the absolute atmosphere that user respiratory air flow produces, the intra-pulmonary pressure of the corresponding user of this absolute pressure.

2. the measuring device of human respiratory system's function according to claim 1, is characterized in that, this measurement module comprises a throttling arrangement, wherein:

This throttling arrangement is arranged in this respiration measurement runner, and this throttling arrangement comprises a deflation section, and the internal diameter of this deflation section is less than the internal diameter of this throttling arrangement free end, make air-flow by time form air pressure difference.

3. the measuring device of human respiratory system's function according to claim 1 and 2, it is characterized in that, comprise an additional measurement device, and the connection of this additional measurement device and a receiving system signal transmission, this additional measurement device comprises a three-way valve, a free gas runner, is breathed measurement gas flow, and measured runner and a control valve, this three-way valve includes three outlets communicated with each other, each outlet connects this free gas runner, this breathing measurement gas flow and this measurement runner respectively, wherein:

This three-way valve comprises a valve block, and the change in location of this valve block controls the mode of communicating of this free gas runner, this breathing measurement gas flow and this measurement runner; And

This free gas runner and this breathing measure and are connected with this control valve with gas flow, and this free gas runner of the on-off control of this control valve and this breathing measurement gas flow are communicated with space outerpace.

4. the measuring device of human respiratory system's function according to claim 3, is characterized in that, this breathing measures and is connected with a steel cylinder with gas flow, and this breathing measurement gas flow comprises a gas analysis module, wherein:

This breathing measurement gas flow is connected with this steel cylinder via this control valve, and what this control valve controlled this steel cylinder internal respiration measurement gas exports in this breathing measurement gas flow; And

This breathing measures and is connected with an air bag with gas flow, and under making the state of opening at this control valve, this steel cylinder, this breathing measurement gas flow and this air bag communicate with each other.

5. the measuring device of human respiratory system's function according to claim 1 and 2, it is characterized in that, comprise a respirator, this respirator is connected with this respiration measurement device, this respirator comprises a cover body and a connecting hole, the profile of this cover body is corresponding with face nose and mouth shape, and this connecting hole runs through and arranges this cover body, and this respiration measurement device is connected with this respirator by this connecting hole.

6. the measuring device of human respiratory system's function according to claim 5, is characterized in that, this respirator comprises a filter membrane and a filter membrane presses ring, and the external form of this filter membrane is to should the lateral cross section of this concave surface of cover body; This filter membrane presses that ring is dismountable to be combined with this cover body, makes this filter membrane be fixed in this filter membrane and presses between ring and this cover body.

7. the measuring device of human respiratory system's function according to claim 1 and 2, it is characterized in that, comprise a nose Respiration assistance external member, this nose Respiration assistance external member is combined with this respiration measurement device, the free end of this nose Respiration assistance external member has a pair of reclosing head, the width in the corresponding human body nostril of profile of this Double joint and the degree of depth.

8. the measuring device of human respiratory system's function according to claim 7, is characterized in that, comprises a sanitary kit, wherein:

This sanitary kit is an oral area sanitary kit, and this oral hygiene external member is connected with this respiration measurement device; Or

This sanitary kit is a nose sanitary kit, and this nose sanitary kit is combined with this nose Respiration assistance external member, and this nose sanitary kit is to should the width in nose Respiration assistance external member and human body nostril and the degree of depth.

9. the measuring device of human respiratory system's function according to claim 3, it is characterized in that, comprise a respirator, this respirator is connected with this respiration measurement device, this respirator comprises a cover body and a connecting hole, the profile of this cover body is corresponding with face nose and mouth shape, and this connecting hole runs through and arranges this cover body, and this respiration measurement device is connected with this respirator by this connecting hole.

10. the measuring device of human respiratory system's function according to claim 9, is characterized in that, this respirator comprises a filter membrane and a filter membrane presses ring, and the external form of this filter membrane is to should the lateral cross section of this concave surface of cover body; This filter membrane presses that ring is dismountable to be combined with this cover body, makes this filter membrane be fixed in this filter membrane and presses between ring and this cover body.

The measuring device of 11. human respiratory system's functions according to claim 10, it is characterized in that, comprise a nose Respiration assistance external member, this nose Respiration assistance external member is combined with this respiration measurement device, the free end of this nose Respiration assistance external member has a pair of reclosing head, the width in the corresponding human body nostril of profile of this Double joint and the degree of depth.

The measuring device of 12. human respiratory system's functions according to claim 11, is characterized in that, comprise a sanitary kit, wherein:

This sanitary kit is an oral area sanitary kit, and this oral hygiene external member is connected with this respiration measurement device; Or

This sanitary kit is a nose sanitary kit, and this nose sanitary kit is combined with this nose Respiration assistance external member, and this nose sanitary kit is to should the width in nose Respiration assistance external member and human body nostril and the degree of depth.