CN103417222A - Blood oxygen detector, blood oxygen detection system and blood oxygen detection method - Google Patents
Blood oxygen detector, blood oxygen detection system and blood oxygen detection method Download PDFInfo
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- CN103417222A CN103417222A CN201210156491XA CN201210156491A CN103417222A CN 103417222 A CN103417222 A CN 103417222A CN 201210156491X A CN201210156491X A CN 201210156491XA CN 201210156491 A CN201210156491 A CN 201210156491A CN 103417222 A CN103417222 A CN 103417222A
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Abstract
The invention provides a blood oxygen detector, a blood oxygen detection system and a blood oxygen detection method. The blood oxygen detector comprises blood oxygen collection units, a signal processing unit, a display unit and a control unit, wherein the blood oxygen collection units are used for collecting related signals of blood oxygen, the signal processing unit obtains blood oxygen parameters on the basis of the related signals of the blood oxygen in a calculation mode, the display unit is used for displaying the blood oxygen parameters obtained by the signal processing unit, the control unit is used for having control over the operation states of the blood oxygen collection units, the operation state of the signal processing unit and the operation state of the display unit, and the number of the blood oxygen collection units is at least two. According to the blood oxygen detector, the blood oxygen detection system and the blood oxygen detection method, due to the facts that the blood oxygen collection units are arranged to be used for collecting at least two sets of related signals of the blood oxygen, the signal processing unit obtains the average value of the blood oxygen parameters on the basis of the related signals of the blood oxygen, and the control unit uses the average value of the blood oxygen parameters as a detection result, and the detection result is showed to a user through the display unit, the accuracy of the detected blood oxygen parameters is improved, faults of the blood oxygen collection units can be found in time, and the accuracy of the blood oxygen parameters can be further improved.
Description
Technical field
The present invention relates to detect the technical field of blood oxygen, particularly, relate to a kind of blood oxygen detection, detection system and detection method.
Background technology
The blood oxygen detection is for detection of the blood oxygen parameter of human body, as positions such as finger, ear-lobes, the absorbance of the HONGGUANG of different wave length or infrared light extrapolated the arterial blood oxygen parameter of tip tissue by tip tissue congested on human body.
The blood oxygen detection generally includes hold assembly, the parts such as blood oxygen collecting unit and signal processing unit, blood oxygen collecting unit generally includes luminous tube and photo-detector, luminous tube and photo-detector are arranged on hold assembly, by hold assembly, luminous tube and photo-detector are clamped in to the ear of human body, the positions such as finger tip, the light that luminous tube sends sees through ear or finger tip arrives photo-detector, photo-detector is surveyed and is obtained the HONGGUANG of different wave length or the absorbance of infrared light, then send to signal processing unit, signal processing unit calculates human body blood oxygen parameter according to the HONGGUANG of different wave length or the absorbance of infrared light.
In prior art, when using the blood oxygen parameter of blood oxygen detection human body, if the blood oxygen detection breaks down, the user usually is difficult to aware the blood oxygen detection and breaks down, and causing detecting blood oxygen parameter will be with actual blood oxygen parameter error be large, accuracy is low; And, because blood oxygen collecting unit is unstable with contacting of tested position or contact position is incorrect, also can cause that the blood oxygen parameter error that detects is large, accuracy is low.
Summary of the invention
For addressing the above problem, the invention provides a kind of blood oxygen detection, detection system and detection method, large for solving the blood oxygen parameter error that prior art detects, the problem that accuracy is low.
For this reason, the invention provides a kind of blood oxygen detection, comprising:
Blood oxygen collecting unit, for gathering blood oxygen coherent signal;
Signal processing unit, calculate blood oxygen parameter based on blood oxygen coherent signal;
Display unit, for the blood oxygen parameter that shows that described signal processing unit obtains;
Control unit, for controlling the running status of described blood oxygen collecting unit, signal processing unit and display unit;
Described control unit is connected with described blood oxygen collecting unit, signal processing unit, with described display unit information communication;
The quantity of described blood oxygen collecting unit is at least two.
Wherein, described blood oxygen detection also comprises:
Fixture, described blood oxygen collecting unit, signal processing unit and control unit are arranged on described fixture.
Wherein, described display unit is arranged on described fixture;
Carry out information communication by wire communication mode between described display unit and control unit.
Wherein, pass through the wireless communication mode information communication between described control unit and display unit.
Wherein, described blood oxygen collecting unit comprises: luminous tube and photo-detector;
Described luminous tube is used for to tested position output optical signal;
The optical signal that sees through tested position that described photo-detector sends for surveying described luminous tube, and the optical signal detected is sent to described control module;
Described luminous tube and photo-detector arrange respectively the correspondence position on described fixture.
Wherein, described control unit is also for judging whether described blood oxygen collecting unit can normally gather;
When described blood oxygen collecting unit can not normally gather, described control unit notifies described display unit to send alarm signal to the user.
Wherein, described control unit judges that each blood oxygen parameter is whether within default blood oxygen scope;
When described control unit judgement blood oxygen parameter is within default blood oxygen scope, identifies blood oxygen collecting unit corresponding to this blood oxygen parameter and can normally gather blood oxygen coherent signal.
Wherein, described fixture is glove-like;
Described at least two blood oxygen collecting units be separately positioned on fixture with at least two positions corresponding to finger.
Wherein, the quantity of described fixture is two;
Each fixture at least arranges a blood oxygen collecting unit.
Wherein, described blood oxygen detection also comprises:
The electrocardiogram acquisition unit, for gathering the electrocardio coherent signal, described signal processing unit obtains EGC parameter based on described electrocardio coherent signal;
Described electrocardiogram acquisition unit is connected with described control unit.
Wherein, described electrocardiogram acquisition unit comprises anelectrode and negative electrode, and described anelectrode is arranged on the inner surface side of described fixture and a face side in the outer surface side, and described negative electrode is arranged on another face side of described fixture.
Wherein, described signal processing unit comprises:
Memory module, for storing blood oxygen parameter and/or EGC parameter.
The present invention also provides a kind of blood oxygen detection system, wherein, comprises exterior terminal and any one above-mentioned blood oxygen detection.
The present invention also provides a kind of blood oxygen detection method, comprising:
Utilize at least two blood oxygen collecting units to gather respectively blood oxygen coherent signal;
Judge whether each blood oxygen collecting unit normally gathers blood oxygen coherent signal;
When described blood oxygen collecting unit can normally gather blood oxygen coherent signal, based on blood oxygen coherent signal, calculate blood oxygen parameter;
When described blood oxygen collecting unit can not normally gather blood oxygen coherent signal, to user's display alarm signal.
Wherein, describedly judge whether each blood oxygen collecting unit normally gathers blood oxygen coherent signal and comprise:
Blood oxygen coherent signal based on each blood oxygen collecting unit collection calculates each corresponding blood oxygen parameter;
Judge that each blood oxygen parameter is whether within default blood oxygen scope;
When described blood oxygen parameter is within default blood oxygen scope, identifies blood oxygen collecting unit corresponding to this blood oxygen parameter and can normally gather blood oxygen coherent signal.
Wherein, describedly judge whether each blood oxygen collecting unit normally gathers blood oxygen coherent signal and comprise:
Blood oxygen coherent signal based on each blood oxygen collecting unit collection calculates each corresponding blood oxygen parameter;
Calculate the blood oxygen parameter difference between every two blood oxygen parameters, judge that blood oxygen parameter difference is whether within the preset difference value scope;
When described blood oxygen parameter difference is within the preset difference value scope, two blood oxygen collecting units corresponding to sign normally gather blood oxygen coherent signal;
Otherwise, in two blood oxygen collecting units of sign correspondence, have at least one can not normally gather blood oxygen coherent signal.
Wherein, describedly judge whether each blood oxygen collecting unit normally gathers blood oxygen coherent signal and comprise:
Described blood oxygen collecting unit comprises luminous tube and photo-detector, and described luminous tube is for luminous to described photo-detector, and described photo-detector is for surveying the optical signal that described luminous tube sends, and described optical signal is blood oxygen coherent signal;
Calculate absorbance according to above-mentioned optical signal;
Judge that absorbance is whether within default range of absorbency;
When described absorbance is within default range of absorbency, identifies the blood oxygen collecting unit that this absorbance is corresponding and can normally gather blood oxygen coherent signal.
The present invention has following beneficial effect:
In blood oxygen detection embodiment provided by the invention, by being set, at least two blood oxygen collecting units gather at least two group blood oxygen coherent signals, signal processing unit obtains two groups of blood oxygen parameters based at least two group blood oxygen coherent signals, blood oxygen parameter difference and blood oxygen mean parameter, when blood oxygen parameter difference is within the preset difference value scope, control unit shows as testing result and by display unit blood oxygen mean parameter to the user, not only improve the accuracy of the blood oxygen parameter detected, can also find in time the fault of blood oxygen collecting unit, further put forward high oxygen pressure parameter accuracy.
Blood oxygen detection system provided by the invention and blood oxygen detection method also have above-mentioned beneficial effect.
The accompanying drawing explanation
The structural representation that Fig. 1 is blood oxygen detection the first embodiment of the present invention;
The structural representation that Fig. 2 is blood oxygen detection the second embodiment of the present invention;
The flow chart that Fig. 3 is the present embodiment blood oxygen detection;
The structural representation that Fig. 4 is blood oxygen detection the 3rd embodiment of the present invention;
The structural representation that Fig. 5 is blood oxygen detection system embodiment of the present invention;
The flow chart that Fig. 6 is blood oxygen detection method embodiment of the present invention.
The specific embodiment
For making those skilled in the art understand better technical scheme of the present invention, below in conjunction with accompanying drawing, blood oxygen detection provided by the invention, detection system and detection method are described in detail.
The structural representation that Fig. 1 is blood oxygen detection the first embodiment of the present invention.As shown in Figure 1, the present embodiment blood oxygen detection comprises: blood oxygen collecting unit 101, signal processing unit 102, display unit 103 and control unit 104, wherein, blood oxygen collecting unit 101 is for gathering blood oxygen coherent signal, the blood oxygen coherent signal that signal processing unit 102 collects based on blood oxygen collecting unit 101 calculates hemorrhage oxygen parameter, the blood oxygen parameter that display unit 103 calculates for the shows signal processing unit, control unit 104 is for controlling blood oxygen collecting unit 101, the running status of signal processing unit 102 and display unit 103, control unit 104 and blood oxygen collecting unit 101, signal processing unit 102 connects, control unit 104 and display unit 103 information communications, comprise and utilize wire communication mode or wireless communication mode to carry out information communication.Wherein, at least two blood oxygen collecting units 101 are set in the blood oxygen detection, each blood oxygen collecting unit 101 all can be for gathering blood oxygen coherent signal.
In the present embodiment, take in the blood oxygen detection and two blood oxygen collecting units 101 are set introduce technical scheme as example, two blood oxygen collecting units 101 gather respectively the blood oxygen coherent signal at human body diverse location place, and blood oxygen coherent signal is sent to signal processing unit 102, signal processing unit 102 based on these two groups of blood oxygen coherent signals to calculate two groups of blood oxygen parameters, and corresponding blood oxygen parameter difference and the blood oxygen mean parameter of these two groups of blood oxygen parameters, wherein, blood oxygen parameter difference is the difference after two groups of higher values in blood oxygen parameter subtract smaller value, the meansigma methods that blood oxygen mean parameter is two groups of blood oxygen parameters, signal processing unit 102 sends to control unit 104 by two groups of blood oxygen parameters, blood oxygen parameter difference and blood oxygen mean parameter, control unit 104 judges that whether blood oxygen parameter difference is in the preset difference value scope, if blood oxygen parameter difference is within the preset difference value scope, identify two groups of blood oxygen collecting units 101 and all can normally gather blood oxygen coherent signal, control unit 104 will be usingd the testing result of blood oxygen mean parameter as the blood oxygen detection, and send blood oxygen mean parameter to display unit 103, by display unit 103, to the user, to show blood oxygen mean parameter.In the present embodiment, utilize the testing result of blood oxygen mean parameter as the blood oxygen detection, can improve the accuracy of testing result, if blood oxygen parameter difference is not within the preset difference value scope, sign has blood oxygen collecting unit 101 can not normally gather blood oxygen coherent signal, may be because fault has occurred blood oxygen collecting unit 101 or blood oxygen collecting unit 101 is poor with the contact stabilization at tested position, control unit 104 will send alarm signal to the user by display unit 103, find in time the fault of blood oxygen detection with reminding user, perhaps reminding user is adjusted contact position between blood oxygen collecting unit 101 and human body in time normally to gather blood oxygen coherent signal, carry effectively the contact stabilization between high oxygen pressure collecting unit 101 and tested position, thereby further put forward high oxygen pressure parameter accuracy.
In actual applications, control unit 104 can also judge respectively organizes blood oxygen parameter whether within default blood oxygen parameter area, if any one group of blood oxygen parameter is not within default blood oxygen parameter area, identifying blood oxygen collecting unit 101 corresponding to this group blood oxygen parameter, that fault or this blood oxygen collecting unit 101 occurred is incorrect with the human body contact position, otherwise, identify blood oxygen collecting unit 101 corresponding to this group blood oxygen parameter and can normally gather blood oxygen coherent signal.
Further, three blood oxygen collecting units can also be set in the blood oxygen detection, three groups of blood oxygen parameters that blood oxygen coherent signal based on the collection of three blood oxygen collecting units calculates, then calculate above-mentioned three groups of blood oxygen parameters blood oxygen parameter difference between the two arbitrarily, thereby obtain three blood oxygen parameter difference, if three blood oxygen parameter difference are all within the preset difference value scope, two groups of blood oxygen parameters corresponding to the wherein minimum blood oxygen parameter difference of usining are as blood oxygen parameter more accurately, then calculate this blood oxygen mean parameter that two groups of blood oxygen parameter calculation of parameter obtain more accurately as testing result, thereby improve the accuracy that detects the blood oxygen parameter obtained.
In the present embodiment, by being set, at least two blood oxygen collecting units gather at least two group blood oxygen coherent signals, signal processing unit obtains at least two group blood oxygen parameters and corresponding blood oxygen parameter difference and blood oxygen mean parameter thereof based at least two group blood oxygen coherent signals, when blood oxygen parameter difference is within default blood oxygen scope, control unit shows as testing result and by display unit blood oxygen mean parameter to the user, not only improve the accuracy of the blood oxygen parameter detected, also can find in time the fault of blood oxygen collecting unit or adjust the contact position between blood oxygen collecting unit and human body by reminding user, further put forward high oxygen pressure parameter accuracy.
The structural representation that Fig. 2 is blood oxygen detection the second embodiment of the present invention, the flow chart that Fig. 3 is the present embodiment blood oxygen detection.As shown in Figure 2, the present embodiment blood oxygen detection also comprises: fixture 105, for the Power Management Unit (not shown) of electric energy is provided, wherein, two blood oxygen collecting units 101, signal processing unit 102, display unit 103 and control units 104 are arranged on fixture 105, wherein, two blood oxygen collecting units 101 are respectively the first blood oxygen collecting unit and the second blood oxygen collecting unit.In the present embodiment, fixture 105 is glove-like, to facilitate the user, the fixture cover is worn on hand, and fixture can adopt flexible fabric manufacture to form; Each blood oxygen collecting unit 101 comprises luminous tube (not shown) and photo-detector 1011, and luminous tube is used for luminous to photo-detector 1011, the optical signal that photo-detector 1011 sends for surveying luminous tube; Two luminous tubes can be separately positioned on fixture 105 and refer to that with forefinger abdomen, middle finger refer to the position that abdomen is corresponding, and two photo-detectors 1011 are arranged on the position corresponding with forefinger fingernail, middle finger fingernail.When detecting blood oxygen parameter, by fixture 105 cover be worn over the user on hand after, two luminous tubes refer to that with forefinger abdomen, middle finger refer to that side grafting is tactile respectively, two photo-detectors 1011 contact with forefinger fingernail, middle finger fingernail respectively, the light that two luminous tubes send sees through respectively after forefinger and middle finger the photo-detector 1011 that arrives two correspondences, two photo-detectors 1011 detect two groups of optical signals that see through forefinger that luminous tube sends, and this optical signal is blood oxygen coherent signal.
As shown in Figure 3, the workflow of the detection blood oxygen parameter of the present embodiment blood oxygen detection specifically comprises the steps:
In this step, open luminous tube and photo-detector in the first blood oxygen collecting unit, luminous tube emits beam and arrives photo-detector through finger pulp loss, photo-detector is surveyed and is obtained optical signal, then optical signal is sent to signal processing unit 102, signal processing unit 102 calculates the HONGGUANG of different wave length or the absorbance of infrared light, then absorbance is sent to control unit 104.Control unit 104 judges that whether this absorbance is in default range of absorbency, when control unit 104 these absorbances of judgement do not have in default range of absorbency, control unit 104 will send alarm signal to the user by display unit 103, adjust in time the contact position of the first blood oxygen collecting unit and human body or check whether the first blood oxygen collecting unit can normally gather blood oxygen coherent signal with reminding user, still can not normally gather afterwards if adjust the contact position of the first blood oxygen collecting unit and human body, enter step 303; , identify the first blood oxygen collecting unit and can normally gather blood oxygen coherent signal when presetting range of absorbency when this absorbance, then enter step 302.
In this step, the first blood oxygen collecting unit gathers blood oxygen coherent signal, and blood oxygen coherent signal is sent to signal processing unit 102, then enters step 303.
In this step, open luminous tube and photo-detector in the second blood oxygen collecting unit, luminous tube emits beam and arrives photo-detector through finger pulp loss, photo-detector is surveyed and is obtained optical signal, then optical signal is sent to signal processing unit 102, signal processing unit 102 calculates the HONGGUANG of different wave length or the absorbance of infrared light, then absorbance is sent to control unit 104.When control unit 104 these absorbances of judgement do not have in default range of absorbency, control unit 104 will send alarm signal to the user by display unit 103, with reminding user, adjust in time the contact position of the second blood oxygen collecting unit and human body or will check whether the second blood oxygen collecting unit fault has occurred; , identify the second blood oxygen collecting unit and can normally gather blood oxygen coherent signal when presetting range of absorbency when this absorbance, then enter step 304.
In this step, the first blood oxygen collecting unit gathers blood oxygen coherent signal, and blood oxygen coherent signal is sent to signal processing unit 102, then enters step 305.
In this step, signal processing unit 102 will receive one group or two groups of blood oxygen coherent signals.When signal processing unit 102 receives one group of blood oxygen coherent signal, signal processing unit 102 calculates blood oxygen parameter based on this group blood oxygen coherent signal, and blood oxygen parameter is sent to control unit 104, then enters step 306.
When signal processing unit 102 receives two groups of blood oxygen coherent signals, signal processing unit 102 calculates two groups of blood oxygen parameters and corresponding blood oxygen mean parameter thereof based on these two groups of blood oxygen coherent signals, and blood oxygen mean parameter is sent to control unit 104, then enter step 306.
In this step, one group of blood oxygen parameter that control unit 104 will receive shows to the user by display unit 103 as testing result, perhaps, control unit 104 shows the blood oxygen mean parameter received by display unit 103 as testing result to the user.
In the present embodiment, luminous tube and photo-detector 1011 can be arranged on simultaneously points corresponding position with any one on fixture 105, as long as user's cover guarantee that luminous tube contacts with finger pulp loss, and photo-detector 1011 contacts and gets final product after putting on fixture 105 with this finger fingernail.In actual applications, display unit 103 can arrange the optional position on fixture 105, for example can be arranged on the position corresponding with wrist on fixture 105, between control unit 104 and display unit 103, by wire communication mode, carries out information communication.
The structural representation that Fig. 4 is blood oxygen detection the 3rd embodiment of the present invention.As shown in Figure 4, the present embodiment blood oxygen detection also comprises electrocardiogram acquisition unit 106, and for gathering the electrocardio coherent signal of human body, electrocardiogram acquisition unit 106 is connected with control unit 104, and wherein, electrocardiogram acquisition unit 106 at least comprises anelectrode and negative electrode.When detecting the electrocardio coherent signal, negative electrode need to contact with the right hand, anelectrode can contact with left hand, also can contact with human chest, under the control of control unit 104, electrocardiogram acquisition unit 106 sends to signal processing unit 102 to obtain EGC parameter by the electrocardio coherent signal, and then control unit 104 is sent to display unit 103 by EGC parameter, by display unit 103, EGC parameter is shown to the user.Wherein, display unit 103 can be independent of fixture 105 and arrange, and reduces the weight of fixture 105 with minimizing, reduces the constraint to the user, between display unit 103 and control unit 104, by wireless communication mode, carries out information communication.
Blood oxygen collecting unit more than two or two is arranged on to different finger tips places, and in the time of can avoiding being gathered at single finger place, the blood oxygen coherent signal of the collection freely do not caused due to the blood circulation of tested finger is also inaccurate.Due to long-term immobilization or other reasons, the blood circulation situation at tested position may impact the collection of blood oxygen coherent signal, thereby utilize the blood oxygen coherent signal of a finger of a blood oxygen collecting unit collection to calculate blood oxygen parameter, the actual blood oxygen parameter that possibly can't accurately reflect human body, and organize blood oxygen coherent signal from a plurality of finger tips collections respectively by a plurality of blood oxygen collecting units 101 more, can calculate respectively a plurality of blood oxygen parameters, by a plurality of blood oxygen parameters are compared and are proofreaied and correct, can obtain blood oxygen parameter more accurately, thereby improved the degree of accuracy of blood oxygen detection.
Simultaneously, because the thickness of finger tips is less than the thickness of finger tips, so the light transmission of finger tips is better, so a plurality of blood oxygen collecting units 101 are arranged on to different finger tips, the blood oxygen blood oxygen coherent signal that can make each blood oxygen collecting unit collect is more accurate, if and a plurality of blood oxygen collecting units are arranged on to the different parts of same finger, away from the blood oxygen collecting unit 101 of finger tips because the light transmission at tested position is not high, cause the blood oxygen parameter that calculates also inaccurate.Therefore, by a blood oxygen collecting unit 101 is set respectively on a plurality of finger tips, can not only collect blood oxygen coherent signal more accurately, and the blood oxygen parameter calculated based on above-mentioned blood oxygen coherent signal is also more accurate, thereby has further improved the degree of accuracy of blood oxygen detection.
In actual applications, the blood oxygen detection can comprise the fixture 105 of two glove-types, each fixture 105 at least arranges a blood oxygen collecting unit 101, blood oxygen collecting unit 101 can be arranged on the finger tips place of left hand and the right hand, each blood oxygen collecting unit 101 all is connected with signal processing unit 102, with the position of the left hand from the user and the right hand, gathers respectively blood oxygen coherent signal.
In practice, when only needing to use single hands to carry out a certain operation or when movable, people's ordinary practice is used the right hand, so the activity of left hand is usually less than the right hand, and the state when detecting blood oxygen parameter is also relatively more stable.Accordingly, when blood oxygen collecting unit 101 is arranged on the finger tips place of left hand and the right hand, the preferential applicable cover of fixture 105 of selecting is worn on left hand, when the quantity of fixture 105 is two, the quantity of the blood oxygen collecting unit arranged on the quantity of the blood oxygen collecting unit arranged on the corresponding fixture 105 leftward fixture 105 corresponding more than the right hand.
In actual applications, can also utilize the display unit of exterior terminal to show blood oxygen parameter and/or EGC parameter, facilitate the user to select suitable display unit, for example select the large or high display unit of brightness of size to show, observe to facilitate the user.
In the present embodiment, by the electrocardiogram acquisition unit is set, facilitate the user to detect EGC parameter when detecting blood oxygen relevant parameter, by display unit being independent of to the fixture setting, can reduce the weight of fixture, the constraint of reduction to the user, improve user's comfort level, thereby improve the accuracy of testing result.
The structural representation that Fig. 5 is blood oxygen detection system embodiment of the present invention.As shown in Figure 5, the present embodiment blood oxygen detection system comprises exterior terminal 20 and any one above-mentioned blood oxygen detection 10, wherein, blood oxygen parameter and/or EGC parameter that blood oxygen detection 10 obtains detection send to exterior terminal, display unit by exterior terminal shows blood oxygen parameter and/or EGC parameter, to reduce the power consumption of blood oxygen detection 10, reduce the weight of blood oxygen detection 10 simultaneously, by being set, at least two blood oxygen collecting units gather at least two group blood oxygen coherent signals, signal processing unit obtains two groups of blood oxygen parameters based at least two group blood oxygen coherent signals, blood oxygen parameter difference and blood oxygen mean parameter, when blood oxygen parameter difference is within the preset difference value scope, control unit shows as testing result and by display unit blood oxygen mean parameter to the user, not only improve the accuracy of the blood oxygen parameter detected, can also find in time the fault of blood oxygen collecting unit, guarantee the contact stabilization at blood oxygen collecting unit and tested position, further put forward high oxygen pressure parameter accuracy.Wherein, can carry out information communication by wire communication mode or wireless communication mode between blood oxygen detection 10 and exterior terminal 20.
The flow chart that Fig. 6 is blood oxygen detection method embodiment of the present invention.As shown in Figure 6, the present embodiment blood oxygen detection method comprises step specific as follows:
In this step, the blood oxygen detection shown in Fig. 2 of take is introduced technical scheme as example, and wherein, blood oxygen collecting unit 101 comprises luminous tube and photo-detector.Utilize each blood oxygen collecting unit 101 to gather respectively blood oxygen coherent signal, each blood oxygen collecting unit 101 gathers one group of blood oxygen coherent signal, then improves rapid 602.
In this step, can calculate respectively absorbance, blood oxygen parameter or blood oxygen parameter difference according at least two group blood oxygen coherent signals.In actual applications, whether control unit 104 can judge in default range of absorbency whether this blood oxygen collecting unit 101 can normally gather blood oxygen coherent signal by judging absorbance, when control unit 104 judgement absorbances are within default range of absorbency, identify corresponding blood oxygen collecting unit 101 and can normally gather blood oxygen coherent signal, otherwise, identify corresponding blood oxygen collecting unit 101 and can not normally gather blood oxygen coherent signal, the main cause that blood oxygen collecting unit 101 can not normally gather blood oxygen coherent signal may be that fault has occurred blood oxygen collecting unit 101 or blood oxygen collecting unit 101 is incorrect with the human body contact position, whether control unit 104 also can judge whether this blood oxygen collecting unit 101 breaks down or incorrect with the human body contact position in the preset difference value scope by judging blood oxygen parameter difference, judge that at control unit 104 blood oxygen parameter difference are in the preset difference value scope, two blood oxygen collecting units 101 corresponding to sign can normally gather blood oxygen coherent signal, otherwise, in two blood oxygen collecting units 101 of sign correspondence, have at least one can not normally gather blood oxygen coherent signal, whether control unit 104 can also judge whether this blood oxygen collecting unit 101 can normally gather blood oxygen coherent signal by judging blood oxygen parameter within default blood oxygen parameter area, judge that at control unit 104 blood oxygen parameters are within default blood oxygen parameter area, identify corresponding blood oxygen coherent signal and can normally gather blood oxygen coherent signal, otherwise, identify corresponding blood oxygen collecting unit 101 and can not normally gather blood oxygen coherent signal.
When having at least a blood oxygen collecting unit 101 normally to gather the blood oxygen signal, enter step 603, when having at least a blood oxygen collecting unit 101 can not normally gather blood oxygen coherent signal, enter step 604.
When step 603, blood oxygen collecting unit can normally gather blood oxygen coherent signal, based on blood oxygen coherent signal, calculate blood oxygen parameter.
In this step, if only have a blood oxygen collecting unit 101 can normally gather blood oxygen coherent signal, signal processing unit 102 can be organized blood oxygen coherent signal based on this and calculate blood oxygen parameter; If while having blood oxygen collecting unit 101 more than two or two can normally gather blood oxygen coherent signal, signal processing unit 102 can be organized blood oxygen coherent signal and calculate respectively the blood oxygen parameter more than two groups or two groups based on each, then calculates blood oxygen mean parameter corresponding to above-mentioned blood oxygen parameter as testing result.
In this step, when blood oxygen collecting unit 101 can not normally gather blood oxygen coherent signal, control unit 104 is controlled display unit 103 to user's display alarm signal, so that the user detects, fault has occurred blood oxygen collecting unit 101 or blood oxygen collecting unit 101 is incorrect with the human body contact position.
In the present embodiment, by being set, at least two blood oxygen collecting units gather at least two group blood oxygen coherent signals, signal processing unit obtains at least two group absorbances based at least two group blood oxygen coherent signals, blood oxygen parameter and corresponding blood oxygen parameter difference thereof, at absorbance, blood oxygen parameter and blood oxygen parameter difference are within preset range the time, control unit shows as testing result and by display unit blood oxygen mean parameter to the user, not only improve the accuracy of the blood oxygen parameter detected, also can find in time the fault of blood oxygen collecting unit or adjust the contact position between blood oxygen collecting unit and human body by reminding user, further put forward high oxygen pressure parameter accuracy.
Be understandable that, above embodiment is only the illustrative embodiments adopted for principle of the present invention is described, yet the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement also are considered as protection scope of the present invention.
Claims (17)
1. a blood oxygen detection is characterized in that comprising:
Blood oxygen collecting unit, for gathering blood oxygen coherent signal;
Signal processing unit, calculate blood oxygen parameter based on blood oxygen coherent signal;
Display unit, for the blood oxygen parameter that shows that described signal processing unit obtains;
Control unit, for controlling the running status of described blood oxygen collecting unit, signal processing unit and display unit;
Described control unit is connected with described blood oxygen collecting unit, signal processing unit, with described display unit information communication;
The quantity of described blood oxygen collecting unit is at least two.
2. blood oxygen detection according to claim 1 characterized by further comprising:
Fixture, described blood oxygen collecting unit, signal processing unit and control unit are arranged on described fixture.
3. blood oxygen detection according to claim 2, is characterized in that, described display unit is arranged on described fixture;
Pass through the wire communication mode information communication between described display unit and control unit.
4. blood oxygen detection according to claim 1, is characterized in that, between described control unit and display unit, by wireless communication mode, carries out information communication.
5. blood oxygen detection according to claim 1, is characterized in that, described blood oxygen collecting unit comprises: luminous tube and photo-detector;
Described luminous tube is used for to tested position output optical signal;
The optical signal that sees through tested position that described photo-detector sends for surveying described luminous tube, and the optical signal detected is sent to described control module;
Described luminous tube and photo-detector arrange respectively the correspondence position on described fixture.
6. blood oxygen detection according to claim 1, is characterized in that, described control unit is also for judging whether described blood oxygen collecting unit can normally gather;
When described blood oxygen collecting unit can not normally gather, described control unit notifies described display unit to send alarm signal to the user.
7. blood oxygen detection according to claim 6, is characterized in that, described control unit judges that each blood oxygen parameter is whether within default blood oxygen scope;
When described control unit judgement blood oxygen parameter is within default blood oxygen scope, identifies blood oxygen collecting unit corresponding to this blood oxygen parameter and can normally gather blood oxygen coherent signal.
8. according to the arbitrary described blood oxygen detection of claim 1-7, it is characterized in that, described fixture is glove-like;
Described at least two blood oxygen collecting units be separately positioned on fixture with at least two positions corresponding to finger.
9. blood oxygen detection according to claim 8, is characterized in that, the quantity of described fixture is two;
Each fixture at least arranges a blood oxygen collecting unit.
10. blood oxygen detection according to claim 8, is characterized in that, also comprises:
The electrocardiogram acquisition unit, for gathering the electrocardio coherent signal, described signal processing unit obtains EGC parameter based on described electrocardio coherent signal;
Described electrocardiogram acquisition unit is connected with described control unit.
11. blood oxygen detection according to claim 10, is characterized in that,
Described electrocardiogram acquisition unit at least comprises anelectrode and negative electrode, and described anelectrode is arranged on the inner surface side of described fixture and a face side in the outer surface side, and described negative electrode is arranged on another face side of described fixture.
12. blood oxygen detection according to claim 10, is characterized in that, described signal processing unit comprises:
Memory module, for storing blood oxygen parameter and/or EGC parameter.
13. a blood oxygen detection system, is characterized in that, comprises the described blood oxygen detection of exterior terminal and claim 1-12.
14. a blood oxygen detection method is characterized in that comprising:
Utilize at least two blood oxygen collecting units to gather respectively blood oxygen coherent signal;
Judge whether each blood oxygen collecting unit normally gathers blood oxygen coherent signal;
When described blood oxygen collecting unit can normally gather blood oxygen coherent signal, based on blood oxygen coherent signal, calculate blood oxygen parameter;
When described blood oxygen collecting unit can not normally gather blood oxygen coherent signal, to user's display alarm signal.
15. blood oxygen detection method according to claim 14, is characterized in that, describedly judges whether each blood oxygen collecting unit normally gathers blood oxygen coherent signal and comprise:
Blood oxygen coherent signal based on each blood oxygen collecting unit collection calculates each corresponding blood oxygen parameter;
Judge that each blood oxygen parameter is whether within default blood oxygen scope;
When described blood oxygen parameter is within default blood oxygen scope, identifies blood oxygen collecting unit corresponding to this blood oxygen parameter and can normally gather blood oxygen coherent signal.
16. blood oxygen detection method according to claim 14, is characterized in that, describedly judges whether each blood oxygen collecting unit normally gathers blood oxygen coherent signal and comprise:
Blood oxygen coherent signal based on each blood oxygen collecting unit collection calculates each corresponding blood oxygen parameter;
Calculate the blood oxygen parameter difference between every two blood oxygen parameters, judge that blood oxygen parameter difference is whether within the preset difference value scope;
When described blood oxygen parameter difference is within the preset difference value scope, two blood oxygen collecting units corresponding to sign normally gather blood oxygen coherent signal;
Otherwise, in two blood oxygen collecting units of sign correspondence, have at least one can not normally gather blood oxygen coherent signal.
17. blood oxygen detection method according to claim 14, is characterized in that, describedly judges whether each blood oxygen collecting unit normally gathers blood oxygen coherent signal and comprise:
Described blood oxygen collecting unit comprises luminous tube and photo-detector, and described luminous tube is for luminous to described photo-detector, and described photo-detector is for surveying the optical signal that described luminous tube sends, and described optical signal is blood oxygen coherent signal;
Calculate absorbance according to above-mentioned optical signal;
Judge that absorbance is whether within default range of absorbency;
When described absorbance is within default range of absorbency, identifies the blood oxygen collecting unit that this absorbance is corresponding and can normally gather blood oxygen coherent signal.
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