CN102113878A - Monitor and method applied to same - Google Patents
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- CN102113878A CN102113878A CN2009101136578A CN200910113657A CN102113878A CN 102113878 A CN102113878 A CN 102113878A CN 2009101136578 A CN2009101136578 A CN 2009101136578A CN 200910113657 A CN200910113657 A CN 200910113657A CN 102113878 A CN102113878 A CN 102113878A
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Abstract
The invention discloses a monitor which can display the information of patients in a display area, and is characterized in that information of patients includes at least one physiology parameter of a patient and at least one independent and complete display element used for simultaneously indicating the value and reliability of the physiology parameter, wherein the reliability indicating mode of the physiology parameter includes a plurality of different possibility levels: at least one first possibility level, one second possibility level, and at least one possibility level between the first possibility level and the second possibility level. According to the invention, the independent and complete display element is used for simultaneously indicating the value information and reliability information of the physiology parameter of the patient, so that clinicians can conveniently know about the reliability of the value information simultaneously when checking the value information of the physiology parameter.
Description
[technical field]
The present invention also has a kind of method that is applied to monitor about a kind of monitor.
[background technology]
Monitor is used to measure physiological parameter.Some physiological parameters, NIBP (Non-invasiveBlood Pressure, the blood pressure of non-intrusive measurement) for example, heart output, cardiac indexs etc. are will measure once the default time of typical every interval and understand after new measurement result is arranged show on patient monitor.In the interval of different readings, the physiological parameter readings of demonstration may be not consistent with the current practical situation of patient; Further, owing to be accompanied by the problem that the measurement of physiological parameter produces, initial reading itself just may be insecure, for example wrong pick off, external noise of placing or the artefact that collects, and these mistakes all may be introduced into.Further, the reliability of the physiological data of some demonstrations depends on these factors: whether Measurement Algorithm restrains, and perhaps whether has sufficiently high static confidence level or the like.
Consider emergent effectively needs of rescue and the tangible serious consequence of carrying out medical treatment based on out of date or insecure data are provided, need the clinician can obtain the reliability of the physiology reading that shows faster, these reliabilities comprise for example real-time, effectiveness or accuracy etc.
Some monitors of selling on the market, what have passes through an enumerator adjacent with the physiological parameters of patients reading, separates with described reading and is not that an integral body was indicated from physiological parameter by the time after beginning to measure; Near the bar chart (common separate with described reading and can not constitute an integral body) that pass through the described reading that also has transmits patient data's quality; Further, the monitor that also has shows the assessment for the physiological parameters of patients quality, and for example " measurement of mistake " or " weak signal " are just by the patient data of demonstration.These display elements, for example enumerator, bar chart and literal assessment, not remarkable, this noisy environment is usually out in the cold in hospital.Further, owing to all will show a lot of data above the general patient monitor, described enumerator or block diagram often can be not in sight in the environment near associated physiological data.They also need the observer to go to see in urgent, mixed and disorderly, a distractible environment, connect mentally, remove to understand the element that two differences show in the localities.
[summary of the invention]
Technical problem to be solved by this invention is a kind of monitor and the method that is applied to monitor, makes the clinician watch the reliability of these data easily when watching patient physiological parameter data.
According to an aspect of the present invention, a kind of monitor that shows patient information in the viewing area has been proposed, comprise: described patient information comprises at least one physiological parameter of patient, and the display element that comprises at least one independent completion is used for representing simultaneously the value and the reliability of described physiological parameter, the manifestation mode of the reliability of described physiological parameter comprises a plurality of different probability grades, comprise at least one first probability grade, one second probability grade, at least one is in the intermediary probability grade of the described first and second probability grades.
According to another aspect of the present invention, proposed a kind of method that is applied to monitor, having comprised: shown the display element of an independent completion, also represented the reliability of described physiological parameter when described display element is represented the value of a physiological parameter; Change the display mode of described display element, the manifestation mode of described display element is gradual change, be used to represent a plurality of different probability grades, comprise at least one first probability grade, one second probability grade, at least one is in the middle probability grade of the described first and second probability grades.
The invention has the beneficial effects as follows: the present invention proposes value information and reliability information that the display element that uses an independent completion shows physiological parameters of patients simultaneously, make the clinician when checking the value information of this physiological parameter, recognize the reliability of this value information easily.
[description of drawings]
Fig. 1 is the screen sketch map of monitor according to an embodiment of the invention.
Fig. 2 is the structure chart of monitor according to an embodiment of the invention.
Fig. 3 is 1 minute the demonstrations of the patient's that shows according to the lower right corner of the monitor of one embodiment of the present of invention shown in Figure 1 NIBP data after measured.
Fig. 4 is the demonstration behind 11 minutes after measured according to the NIBP data in the monitor lower right corner shown in Figure 1.
Fig. 5 is the demonstration behind 17 minutes after measured according to the NIBP data in the monitor lower right corner shown in Figure 1.
Fig. 6 is the demonstration behind 24 minutes after measured according to the NIBP data in the monitor lower right corner shown in Figure 1.
Fig. 7 is the demonstration behind 29 minutes after measured according to the NIBP data in the monitor lower right corner shown in Figure 1.
Fig. 8 is the another kind of display mode behind 1 minute after measured according to the NIBP data in the monitor lower right corner shown in Figure 1.
Fig. 9 is the another kind of display mode behind 11 minutes after measured according to the NIBP data in the monitor lower right corner shown in Figure 1.
Figure 10 is the another kind of display mode behind 24 minutes after measured according to the NIBP data in the monitor lower right corner shown in Figure 1.
Figure 11 is the another kind of display mode behind 29 minutes after measured according to the NIBP data in the monitor lower right corner shown in Figure 1.
Figure 12 is the another kind of display mode according to the data in the monitor upper right corner shown in Figure 1.
Figure 13 is another display mode according to the data in the monitor upper right corner shown in Figure 1.
Figure 14 is another display mode according to the data in the monitor upper right corner shown in Figure 1.
[specific embodiment]
A kind of monitor according to the embodiment of the invention is used for the reliability with the physiological parameter of a measurement of graphics mode explanation, for example real-time, effectiveness, accuracy etc.
In one embodiment of the invention, described monitor comprises that a display screen is used to show the display element of at least one independent completion, and described display element for example is an alphanumeric figure, and/or a processor.Described processor is used to write down up-to-date measured patient parameter passing the time after beginning from up-to-date measurement also is used to change the display packing of described display element to represent described passing the time.Described monitor can also with a mnemon communication that pick off is inner or outside, described pick off is used to measure physiological data, described inside or outside mnemon comprise the data that prestore, the patient data who for example prestores.
In one embodiment of the invention, be used to show that the every interval of being filled in of described physiological parameter then took down after the default time, can be rule also can be erratic.After described display parameters were measured, an alphanumeric icon will be shown, for example the amount with contour line and inner this parameter of numeral that is filled.After a default time, think that described reading no longer is real-time, after for example output of 20-30 minute after non-invasive blood pressure is measured and the heart or cardiac index are measured 4 to 6 hours only show the outer wheels profile of described reading.At interlude, described numeral has only part to be filled according to different grades.Similarly, described numeral can be empty at the beginning, As time goes on is filled afterwards.
In one embodiment of the invention, the kind of described color or filling also can be used for expressing the effectiveness or the accuracy of described physiological parameter.In one embodiment, thick crosshatch is used for representing that data have higher reliability, and thin crosshatch is used for representing that data have lower reliability.
A kind of monitor that shows patient information in the viewing area according to the embodiment of the invention, described patient information comprises at least one physiological parameter of patient, and the display element that comprises at least one independent completion is used for representing simultaneously the reliability of a numerical value and a physiological parameter, the manifestation mode of described display element is gradual change, so just can represent a plurality of different probability grades, comprise at least one first probability grade, one second probability grade, at least one is in the middle probability grade of the described first and second probability grades.
In one embodiment of the invention, the display packing of described display element changed along with the measured time that passes afterwards of described physiological parameter.
In one embodiment of the invention, the display packing of described display element is represented the degree of accuracy or the effective degree of the physiological parameter of described measurement.
In one embodiment of the invention, described display element is that alphanumeric shows.
In one embodiment of the invention, described display element is limited by outer contour, and the display mode of described display element is the filling that changes as time goes by in the outer contour.
In one embodiment of the invention, the display mode of described display element is the color that changes at least a portion of described display element as time goes by.
Method according to a kind of user's monitor of the embodiment of the invention comprises: show the display element of an independent completion, also represented the reliability of described physiological parameter when described display element is represented the value of a physiological parameter; Change the display mode of described display element, the manifestation mode of described display element is gradual change, so just can represent a plurality of different probability grades, comprise at least one first probability grade, one second probability grade, at least one is in the middle probability grade of the described first and second probability grades.
In one embodiment of the invention, the time that physiological parameter passes after measure is represented in described change.
Degree of accuracy or effectiveness when in one embodiment of the invention, described physiological parameter measurement is represented in described change.
In one embodiment of the invention, described display element is that alphanumeric shows.
In one embodiment of the invention, described display element is limited by outer contour, and the display mode of described display element is the filling that changes as time goes by in the outer contour.
In one embodiment of the invention, the display mode of described display element is the color that changes at least a portion of described display element as time goes by.
A kind of monitor that shows patient information in the viewing area according to the embodiment of the invention, described patient information comprises at least one physiological parameter of patient, and comprising that at least one whole display element is used for representing simultaneously the reliability of a numerical value and a physiological parameter, the display packing of described display element changed along with the measured time that passes afterwards of described physiological parameter.
A kind of method that is used for monitor according to the embodiment of the invention comprises: show the display element of an independent completion, also represented the reliability of described physiological parameter when described display element is represented the value of a physiological parameter; Along with the time changes the display packing of described display element, passing the time after described change represents described physiological parameter measured.
Have the monitor of above-mentioned new feature by use, the clinician no longer needs: know that 1, specific reading may not have real-time or accuracy; 2, recognize have a reliability indicator in other places of screen (most of monitor does not have such indicator); 3, seek described indicator.The graphics mode of passing through of patient data among the present invention shows, for example use the display element of the independent completion of a described physiological parameter to show the numerical information and the reliability information of physiological parameter simultaneously, remind naturally that described clinician's reliability may be a problem that should be noted that and transmission reliability information clearly.
" embodiment " or " an exemplary embodiment " that this description is mentioned illustrate a specific feature, and structure or characteristics are describe in this embodiment associated, are included at least one embodiments of the invention.So the expression waies in these different places in this description many places can not think it is same embodiment entirely.Further, these specific features, structure or characteristics can be combined in one or more embodiment in any suitable manner.
Below by describing an exemplary embodiment in detail with reference to the accompanying drawings and in conjunction with more details.These are described and just explanation of example, can not be used for restriction.Each aspect of disclosing and embodiment can be considered to independently or combine with other aspects embodiment.The step that described method is described can not be thought according to particular order.
Be illustrated in figure 1 as the patient monitor 10 in the embodiment of the invention.Be illustrated in figure 1 as a screenshotss exemplary plot, a typical patient monitor shows multiple patient parameter and waveform, for example heart beating, electrocardiogram, ST value, Plethysmographic signal, blood oxygen saturation, arteriotony waveform, pulmonary artery blood corrugating, carbon dioxide waveform, non-invasion blood pressure etc. usually.Data presented mainly is based on by suitable intrusive mood or non-invasive sensors, and for example electrode or pulse-blood oxygen transducer etc. pick up from patient's physiological signal, and by cable or wireless mode and patient monitor transmission data.Data presented also can be based on the data of storage, for example: the patient data of storage.
Be illustrated in figure 2 as a structure chart of described patient monitor 10.A processor 12 and an array of display 14 communicate, 16, one ground 18 of a power supply.Described array of display 14 can comprise that display oneself and display can be any known types, for example phosphorescent screen, LCD (LiquidCrystal Display, LCDs) or OLED (organic light-emitting diode, Organic Light Emitting Diode) etc.
The lower right corner at described monitor 10 can see, is used to represent that the first half of the numeral of NIBP numerical value is the part sky.Accompanying drawing 3-7 has illustrated that the amplification of monitor 10 these parts in the different time shows.Can see by these accompanying drawings, be used to represent NIBP numerical value be mmHg (millimetres of mercury) here, for example 120/80 (94), it is changing as time goes by, be used for representing the reliability of these data presented like this, be in this example with described reading be read after the passage time consider.These numerals itself do not change (having only the figure of representing them to change), because there is not the new reading from patient.Reading blanking time is 30 minutes in this example.So in the present embodiment, the indicator qualitatively of described parameter is the function of a quantitative indicator not necessarily, even a display element may be used to show both.
Figure 3 shows that one minute demonstration after described NIBP reading picks up from patient.Described NIBP reading (120/80 (94)) is all solid, and this has just illustrated that this reading can be considered to current numerical value, for example can regard the present virtual condition of patient.Fig. 4,5,6 and 7 has illustrated the show state after described NIBP measures afterwards 11,17,24 and 29 minutes.NIBP measured value (120/80 (94) mmHg) almost is complete hollow in Fig. 7, can only see outer contour, and this illustrates that this reading is old, can not represent the current state of patient.Empty more these data of then representing of data presented are unreliable more, are in this example to carry out according to measuring the time that passes after the generation.
The change of the expression of described NIBP is for example removed the filling part in the reading of described NIBP, can carry out in rule or erratic interval.Compare with other readings, it is longer that some reading can be considered to time of currency, and in this case, these readings can keep their originally solid longer time of display mode.Based on above-mentioned explanation, described processor 12 can be programmed to adapt to the display mode of different display parameters.
In Fig. 4-6, the top 20 in described 120/80 and 94 has the contour line of white and the inside of black, and bottom 22 has the inside of black.In Fig. 3-7, for example as time goes by when numerical value becomes more and more unreliable, top 20 (black inside) becomes big, and bottom 22 (white interior) diminished.For example the bottom in Fig. 5 22 is littler than the bottom among Fig. 4 22.When the clinician saw the NIBP reading that shows among Fig. 3-7, for example, reliably whether the measurement data of the very fast clear demonstration of meeting (for example real-time), by watching the display element of an independent completion.So the clinician can obtain patient parameter information from quality and quantity more intuitively sooner more easily, and even just take a glance at and be in a noisy working environment.Empty more these data of then representing of the reading of described NIBP are unreliable more, and for example real-time is poor.If the clinician wants the concrete time of described NIBP reading, he or she only need directly see the interval that the below of described NIBP reading shows, the for example interval of NIBP Measuring Time, and the time that passes (ET) for example begins the back time in the past from last reading.
Described display element can show with graphics mode, and can have multiple different display mode to represent reliability.Shown in Fig. 8-11, described top 20 can also be represented with for example Gray Square formula in the top 20 of described NIBP reading except representing with contour line.If it is big that the Lycoperdon polymorphum Vitt top of described NIBP reading 20 becomes, and black bottom 22 diminishes, and reduces with regard to reliability (for example real-time) so.Can become big top 20 and the bottom 22 that diminishes with the described NIBP reading of different color showings.Than the bottom 22, the decline of the expression reliability that more shallow colors (perhaps reading hollow has only contour line) can be clearer and more definite is used on top 20.
The change of described part is big or diminish and can distinguish by using different fillings, size by display element shown in changing or the like.For example described top 20 can be filled or represents by crosshatch, and bottom 22 can be filled or represents by stipple or chain-dotted line.Further, the part of using part that a top increases and bottom to reduce except in the vertical direction also can (passage of time be represented in) change for example from left to right, for example the horizontal x axle of a figure at horizontal direction.
The upper right side of the display screen of the monitor 10 among described Fig. 1 can see that the numerical value of patient heart rate when screenshotss is 60.Heart rate is typical often measurement, for example detect a heart beating all can measure once at every turn, so the reading that shows is all keeping real-time, substitutes up to its reading that is once upgraded, so do not need to indicate for the clinician real-time of current reading always.
Though for this special physiological parameter, what meaning understands real-time may not have, other factors may influence the reliability of measurement data.For example, described reading itself may be because some factors cause incorrect.Mistake may be introduced into owing to the reason that following example goes out, for example, because incorrect placement pick off, external noise or the artefact that collects.
Calculate physiological parameter employed algorithm itself based on the patient signal that measures and can bring in various degree reliability.More for example be used to calculate the algorithm of heart output, these algorithms dependence autoregressions or self correlation or other similar techniques have the static measurement value of a degree of accuracy or the degree of convergence, for example variance, covariance or standard deviation; These factors may change the reliability of measured value into by using known method, and can show by technology of the present invention.
There are a lot of known algorithms and device to be used for determining a quality of signals that has obtained and the physiological parameter that obtains by these signals estimations.For example United States Patent (USP) 6675031 has just disclosed a kind of like this algorithm, by a near prompting message that described physiological parameters of patients, shows, this information is in the information of oximeter, can be used for transmitting the quality scale of patient's physiological data of demonstration, described prompting message for example is " measurement of mistake " or " weak signal " etc.
In another embodiment of the present invention, processor 12 calculates patient's waveform and/or physiological parameter and shows described waveform or parameter by patient signal.Afterwards, processor 12 is by the algorithm of any selection, and for example the algorithm in United States Patent (USP) 6675031 calculates the reliability step of the physiological parameters of patients of demonstration, and with the pictorial representation of described information by the physiological parameters of patients of described demonstration, as detailed below.
As shown in figure 12, be outer contour white digital 8 and 4 (having formed 84), a kind of color more shallow than grey black color filled described numeral, and this is used to illustrate that current reading is reliable substantially, but is being to have introduced some mistakes by processor 12 acquisition heart rates.Figure 13 uses heavy crosshatch to represent numeral 8 and 4, and this shows than Figure 12 may introduce more mistake.Similarly, used lighter crosshatch to be used for showing among Figure 14 and introduced more mistake than Figure 13.
In this manner, described heart rate readings can be reminded the possible reliability of the described reading of clinicist incessantly, but also can remind the grade of his reliability.Method with the real-time of above-mentioned detailed description reading is similar, the accuracy of the parameter that shows or the effectiveness figure by reading itself is shown can significantly reduce the clinicist forgets the reliability of these parameters of consideration when selecting medical schemes based on these parameters probability.Further, the graphic display mode of described parameter can be more easily connects the reliability of the same parameter of parameter own, because divide other indicator to represent these information by difference in prior art, a display element with a simple independent completion just provides qualitative and quantitative information simultaneously in the present invention.
In the above-mentioned embodiment that provides, the parameter of being paid close attention to, for example NIBP usually uses numeral.Technology of the present invention can also be used to indicate those to be more suitable for letter, some alphanumeric symbols or alphanumeric symbol the combine numerical value of the parameter that shows and the parameter of reliability.
Further, the present invention is not limited to indicate one or several visual dispersive probability grades between minimum and maximum probability, and should be that described display element can be with the smooth mode transition, can represent state (for example expiring this grade) with Any Digit, even, can obtain the intermediate value of maximum quantity for a given accuracy and/or color palette and/or greyscale resolution for the rank of " continuously ".
Except above-described the sort of mode, be used to transmit the accuracy of display parameters and the coded system of effectiveness also comprises other kinds, for example use the mode of crosshatch and outer contour.For example, can also be with such color coding mode: the parameter of demonstration becomes more and more redder and becomes unreliable more originally when described parameter.Further, the parameter of described demonstration can be by filling the parallel blank lines that separate in contour line.An independent top bar can be taken away the mistake that is used to indicate lesser amt, and more bar is taken away is used to refer to the bigger mistake of quantity etc.All these graphics modes also can be used to refer to the reliability of parameter current.The common ground of all these coded systems is that they have comprised these parameters itself, for example display element of an independent completion.The clinician does not need to see other places of monitor, even with seeing the indicator of closing on, because these reliability informations and shown parameter become one.
Though the present invention illustrates that by using NIBP and heart rate parameter in fact the present invention is not limited to show these special parameters.The present invention is applicable to any parameter that needs to express reliability, and the reliability of these readings comprises: real-time, accuracy or effectiveness etc.
Above content be in conjunction with concrete embodiment to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (14)
1. monitor that shows patient information in the viewing area, it is characterized in that: described patient information comprises at least one physiological parameter of patient, and the display element that comprises at least one independent completion is used for representing simultaneously the value and the reliability of described physiological parameter, the manifestation mode of the reliability of described physiological parameter comprises a plurality of different probability grades, comprise at least one first probability grade, one second probability grade, at least one is in the intermediary probability grade of the described first and second probability grades.
2. monitor as claimed in claim 1 is characterized in that: the change of the display mode of described display element was represented along with the measured time that passes afterwards of described physiological parameter.
3. monitor as claimed in claim 1 is characterized in that: the display mode of described display element is represented the degree of accuracy or the effective degree of the physiological parameter of described measurement.
4. monitor as claimed in claim 1 is characterized in that: described display element is that alphanumeric shows.
5. monitor as claimed in claim 2 is characterized in that: described display element has outer contour, and the display mode of described display element is the filling that changes as time goes by in the outer contour.
6. monitor as claimed in claim 1 is characterized in that: the display mode of described display element is the color that changes at least a portion of described display element as time goes by.
7. a method that is applied to monitor is characterized in that, comprising: show the display element of an independent completion, also represented the reliability of described physiological parameter when described display element is represented the value of a physiological parameter;
Change the display mode of described display element, the manifestation mode of described display element is gradual change, be used to represent a plurality of different probability grades, comprise at least one first probability grade, one second probability grade, at least one is in the middle probability grade of the described first and second probability grades.
8. method as claimed in claim 7 is characterized in that: the time that on behalf of physiological parameter, described change pass after measure.
9. method as claimed in claim 7 is characterized in that: degree of accuracy or effectiveness when described physiological parameter measurement is represented in described change.
10. method as claimed in claim 7 is characterized in that: described display element is that digital alphabet shows.
11. method as claimed in claim 7 is characterized in that: described display element has outer contour, and the display mode of described display element is the filling that changes as time goes by in the outer contour.
12. method as claimed in claim 7 is characterized in that: the display mode of described display element is the color that changes at least a portion of described display element as time goes by.
13. monitor that shows patient information in the viewing area, described patient information comprises at least one physiological parameter of patient, and comprising that at least one whole display element is used for representing simultaneously the value and the reliability of described physiological parameter, the display packing of described display element changed along with the measured time that passes afterwards of described physiological parameter.
14. a method that is applied to monitor comprises: show the display element of an independent completion, also represented the reliability of described physiological parameter when described display element is represented the value of a physiological parameter;
Along with the time changes the display packing of described display element, passing the time after described change represents described physiological parameter measured.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102743156A (en) * | 2012-07-13 | 2012-10-24 | 深圳市邦健电子有限公司 | Parameter display system and method for monitor |
| CN103892797A (en) * | 2012-12-31 | 2014-07-02 | 中国移动通信集团公司 | Signal processing method and device for sleep structure analysis |
| CN105520723A (en) * | 2014-10-21 | 2016-04-27 | 日本光电工业株式会社 | Vital sign measurement device, vital sign display method, and program |
| CN113057617A (en) * | 2021-04-30 | 2021-07-02 | 重庆理工大学 | A non-invasive monitoring system for cardiac output |
| CN114246609A (en) * | 2022-01-06 | 2022-03-29 | 郑州大学 | A 5G Internet medical data collection terminal |
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