CN104189991A - Color discrimination method and device for wound exudates and negative-pressure treatment system - Google Patents
Color discrimination method and device for wound exudates and negative-pressure treatment system Download PDFInfo
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Abstract
The invention discloses a color discrimination method and device for wound exudates and a negative-pressure treatment system. According to the color discrimination method and device for the wound exudates, compared with the prior art, a sensor does not need to be arranged in an exudates collecting bottle, instead, a camera or equipment provided with a camera is used, and therefore the production cost is greatly reduced; in addition, the device is not used as consumables together with the exudates collecting bottle any longer, so that the usage cost is greatly reduced. Moreover, the color discrimination device for the wound exudates can overcome the influence by ambient light and usage conditions on sample images and reduce discrimination errors and is more beneficial to treatment of a patient. The negative-pressure treatment system makes the color discrimination device for the wound exudates be connected with negative-pressure treatment equipment, in this way, the problems can be solved, and intelligentized treatment can be further achieved.
Description
Technical field
The present invention relates to negative pressure wound therapy field, particularly relate to a kind of wound fluid color identification method, device and negative pressure treatment system.
Background technology
Negative pressure wound therapy device (U.S. is called Negative Pressure Wound Therapy Devices, referred to as NPWT), its principle, for by wound being applied to negative pressure, promotes the healing of wound.According to only clinical the showing over 10 years of the U.S., this equipment has good healing effect to the treatment of wounds of various acute and chronics.
Usually, negative pressure wound treating system comprises negative pressure wound therapy device, wound external member and is used for collecting the container of wound fluid (claiming that this container is liquid-collecting bottle here), wherein: wound external member is used for wound closure, manufactures negative pressure space; Negative pressure wound therapy device is used for createing needed wound negative pressure, and it is made up of a negative pressure source and a controller.Negative pressure wound treating system also comprises color signal for obtaining liquid-collecting bottle transudate or sensor, color detection control unit, memory element and the alarm device of visual signal, color detection control unit is arranged in controller, the color signal obtaining according to sensor or visual signal calculate corresponding color, and calculate corresponding alarm signal according to default color table corresponding to alarm signal; Memory element is used for storing wound information, and wound information at least comprises the color signal calculating; Alarm device is for reporting to the police according to alarm signal.
Because sensor setting is in liquid-collecting bottle, the power supply of sensor and displacement structure complexity, strengthened manufacturing cost.And liquid-collecting bottle is generally as consumptive material use, and sensor wherein also can only be used as consumptive material, cause larger cost waste.The position of sensor setting is subject to larger ambient light and the impact of service condition in addition, is difficult to obtain accurate color of image information.
Summary of the invention
Based on this, be necessary for the problems referred to above, provide the one can be cost-saving, obtain wound fluid color identification method, device and the negative pressure treatment system of image information accurately.
A kind of wound fluid color identification method, comprises the steps: to obtain the sample image of wound fluid; Identify the color information of described sample image; Determine the state of current wound fluid according to described color information.
In an embodiment, before the color information of the described sample image of described identification, also comprise: described sample image is carried out to pretreatment therein.
In an embodiment, the color information of the described sample image of described identification specifically comprises therein: the color-values that gathers multiple sampled points of described sample image according to default sampling rule; Estimate the color information of described sample image according to the color-values of described multiple sampled points.
Therein in an embodiment, describedly determine that according to described color information the state of current wound fluid specifically comprises: described color information is mated with default wound fluid color table corresponding to state; Obtain the wound fluid state corresponding with described color information.
Therein in an embodiment, describedly described sample image is carried out to pretreatment comprise: in obtaining the sample image of wound fluid, obtain the correcting image that contains standard grayscale card and/or colour atla; Correct described sample image according to the correcting image that contains standard grayscale card and/or colour atla obtaining.
In an embodiment, after the described state of determining current wound fluid according to described color information, also comprise therein: in the time of the abnormal state of described current wound fluid, carry out alarm.
In an embodiment, described wound fluid color identification method also comprises therein: store the color information of described sample image and the state of described current wound fluid.
A kind of wound fluid color identification device, comprising: image acquisition unit, for obtaining the sample image of wound fluid; Image identification unit, for identifying the color information of described sample image; Status determining unit, for determining the state of current wound fluid according to described color information.
In an embodiment, described wound fluid color identification device also comprises therein: image pretreatment unit, and for described sample image is carried out to pretreatment.
Therein in an embodiment, described image pretreatment unit is for obtain the correcting image that contains standard grayscale card and/or colour atla in obtaining the sample image of wound fluid, then the correcting image that contains standard grayscale card and/or colour atla that basis is obtained is corrected described sample image.
In an embodiment, described image identification unit gathers the color-values of multiple sampled points of described sample image for the sampling rule according to default, then estimates the color information of described sample image according to the color-values of described multiple sampled points therein.
In an embodiment, described status determining unit, for described color information is mated with default wound fluid color table corresponding to state, is obtained the wound fluid state corresponding with described color information therein.
In an embodiment, described wound fluid color identification device also comprises therein: alarm unit, in the time of the abnormal state of described current wound fluid, carries out alarm.
In an embodiment, described wound fluid color identification device also comprises therein: memory element, and for storing the color information of described sample image and the state of described current wound fluid.
A kind of negative pressure treatment system, the negative pressure treatment equipment that described negative pressure treatment system at least comprises above-mentioned wound fluid color identification device and is connected with described wound fluid color identification device.
In an embodiment, described wound fluid color identification device is mobile communication terminal therein.
In an embodiment, described mobile communication terminal is by wired or wireless mode and described negative pressure treatment equipment connection therein.
Above-mentioned wound fluid color identification method directly obtains the sample image of wound fluid, then identifies color information, determines the state of wound fluid.This wound fluid color identification method can reduce the impact that the service condition of ambient light and relevant device is brought to sample image colouring information, make the sample image information of acquisition more accurate, thereby reduce error, compared with prior art, manufacturing cost and use cost have been reduced simultaneously.
Above-mentioned wound fluid color identification device compared with prior art, sensor need to be set in liquid-collecting bottle, but use photographic head or the equipment with photographic head, greatly reduce the cost of manufacturing, and no longer use as consumptive material together with liquid-collecting bottle, greatly saved especially use cost.And this wound fluid color identification device can overcome ambient light and the impact of service condition on sample image, reduce the error of identification, be more conducive to the follow-up treatment of patient.
Above-mentioned negative pressure treatment system compared with prior art, do not need the artificial state that detects in real time wound fluid, again according to the concrete corresponding therapeutic modality of state adjustment, but the state of wound fluid device Real time identification wound fluid, and the state of wound fluid is sent to the negative pressure treatment equipment being attached thereto, negative pressure treatment equipment according to the state of concrete wound fluid to making corresponding treatment adjustment.
Brief description of the drawings
Fig. 1 is wound fluid color table corresponding to physiological significance;
Fig. 2 is the flow chart of wound fluid color identification method;
Fig. 3 is that step is carried out pretreated flow chart to described sample image;
Fig. 4 is the flow chart that step is identified the color information of described sample image;
Fig. 5 is step is determined the state of current wound fluid flow chart according to described color information;
Fig. 6 is the structure chart of wound fluid color identification device;
Fig. 7 is wound fluid sample image.
Detailed description of the invention
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.A lot of details are set forth in the following description so that fully understand the present invention.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can do similar improvement without prejudice to intension of the present invention in the situation that, and therefore the present invention is not subject to the restriction of following public specific embodiment.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in description of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein "and/or" comprise one or more relevant Listed Items arbitrarily with all combinations.
Wound fluid is the liquid that wound accumulates, and it is formed with this lot of physiological reasons.In treatment of wounds, wound fluid management is one of important topic of present wound care research.Modern wound care mainly concentrates on two aspects for the research of wound fluid, and the research of an aspect relates to the crucial physical parameter such as relation, color, transparency and the wound fluid viscosity of wound fluid of wound fluid volume and time.The various plysiochemical parameters such as the constitute and function about wound fluid on the other hand.At present, please refer to Fig. 1 for the color of wound fluid with corresponding physiological significance research conclusion.
Please refer to Fig. 2, the invention provides a kind of wound fluid color identification method.It comprises the steps:
S110: the sample image that obtains wound fluid.
In present embodiment, directly from wound fluid bag, obtain the sample image of wound fluid by image acquisition equipment.If the transparency of wound fluid bag itself affects the color of wound fluid itself, the independent container that prevents wound fluid can be set, this container has good transparency, and lower reflection and refractive index, conventionally can adopt glass drying oven or transparent flexible containers.
The equipment that obtains this sample image can be photographic head or other equipment with photographic head, as camera, mobile terminal etc.It is advantageous that without extra, on each negative pressure treatment equipment, photographic head is installed, can utilize the existing equipment that obtains sample image.
Conventionally, due to extraneous light, obtain self reason of the equipment of sample image etc., can cause interference to definition, the color etc. of sample image.Preferably, can obtain multiple pictures, and by image algorithm, select wherein optimal photo as sample image.
S120: described sample image is carried out to pretreatment.
Conventionally, because extraneous light, the meeting such as self reason of obtaining the equipment of sample image cause interference to obtaining sample image, thereby cause the error of image color, such as white balance is inaccurate, color distortion etc.Therefore, obtaining after sample image, preferred, it is carried out to pretreatment, so that it more can accurately reflect the most real color of wound fluid.Please refer to Fig. 3, this step comprises the steps:
S121: obtain the correcting image that contains standard grayscale card and/or colour atla in obtaining the sample image of wound fluid.First set standard grayscale card and/or colour atla, get and contain the standard grayscale card that sets and/or the correcting image of colour atla, also got sample image simultaneously.
S122: correct described sample image according to the correcting image that contains standard grayscale card and/or colour atla obtaining.After getting sample image and correcting image, according to correcting image, sample image is corrected.
Certainly, can also be according to current photoenvironment, the color of revising the sample image getting is set, can adapt to current photoenvironment with the color that makes this sample image.
S130: the color information of identifying described sample image.Please refer to Fig. 4, this step comprises the steps:
S131: the color-values that gathers multiple sampled points of described sample image according to default sampling rule.Need to analyze the color-values that obtains sample image, can choose multiple sampled points, estimate the color-values of whole sample image by the color-values of sampled point.So, need to first formulate corresponding sampling rule, gather multiple sampled points according to the sampling rule of formulating, for example can gather a certain region as sample area, in this sample area, choose multiple sampled points and gather.
S132: the color information of estimating described sample image according to the color-values of described multiple sampled points.After having chosen sampled point, the color-values that sampled point is corresponding need to be determined, thereby the color information of whole sample information can be estimated according to the color-values of sampled point.
Please refer to Fig. 7, choose a-quadrant as sample area, analyze the pixel rgb value of this a-quadrant, analysis learns that the rgb value of the most pixels in this a-quadrant is 153/51/0, think that the rgb value of a-quadrant entirety is 153/51/0, and RGB (153/51/0) is representing that this region presents brown, represent that this sample image is brown.
S140: the state of determining current wound fluid according to described color information.Please refer to this step of Fig. 5 comprises the steps:
S141: described color information is mated with default wound fluid color table corresponding to state.The color information of the sample image identifying in step S130 is mated with default wound fluid color table corresponding to state.
S142: obtain the wound fluid state corresponding with described color information.The color information of sample image is mated with default wound fluid color table corresponding to state, after coupling, can get the wound fluid state corresponding with this color information.
S150: in the time of the abnormal state of described current wound fluid, carry out alarm.This step is mainly that the current state of the wound fluid of step S140 acquisition and default alarm condition are matched.If when the current state of wound fluid is abnormality, carry out alarm.
S160: store the color information of described sample image and the state of described current wound fluid.The state of the wound fluid of the color information to the sample image getting in above steps and correspondence is stored, and is convenient to understand the real-time treatment situation of patient.
Wound fluid color identification method also comprises the steps: to carry out above institute in steps according to predefined interval or timing.Wound fluid color identification method is automatic identifying method, not disturbed by the artificial daily schedule.As long as the interval of pre-set automatic detection, so during treating, according to the wound fluid of depositing in container that pumps out that detects the different periods in certain time interval, the parameter state of the wound fluid of suction more accurately can be provided, more can characterize patient's treatment situation.
Above-mentioned wound fluid color identification method directly obtains the sample image of wound fluid, again it is carried out pretreatment, identifies color information, determines state, the storage matching result of wound fluid and judge whether to need to report to the police according to matching result, if reported to the police when the matching result physiological status that to be the color of wound fluid corresponding is abnormal.This wound fluid color identification method can reduce the impact that the service condition of ambient light and relevant device is brought to sample image colouring information, make the sample image information of acquisition more accurate, thereby reduce error, compared with prior art, manufacturing cost and use cost have also been reduced simultaneously.
Please refer to Fig. 6, the invention provides a kind of wound fluid color identification device 100.This wound fluid color identification device 100 comprises image acquisition unit 110, image pretreatment unit 120, image identification unit 130, status determining unit 140, alarm unit 150, memory element 160 and control unit 170., image acquisition unit 110 is for obtaining the sample image that contains wound fluid, image pretreatment unit 120 carries out pretreatment for the sample image that image acquisition unit 110 is obtained, image identification unit 130 is for the color information of recognition sample image, status determining unit 140 is determined the state of current wound fluid for the color information identifying according to image identification unit 130, alarm unit 150 is for when the abnormal state of described current wound fluid, carry out alarm, memory element 160 is for storing the color information of described sample image and the state of described current wound fluid, control unit 170 is for controlling this wound fluid color identification device 100.
Image acquisition unit 110 is photographic head or other equipment with photographic head, such as camera, mobile terminal etc.
Image pretreatment unit 120, for obtain the correcting image that contains standard grayscale card and/or colour atla in obtaining the sample image of wound fluid, is corrected sample image according to the correcting image that contains standard grayscale card and/or colour atla obtaining afterwards again.
Image identification unit 130 is for the color-values of multiple sampled points of the sampling rule capturing sample image according to default, then estimates the color information of whole sample image according to the color-values of multiple sampled points.
Status determining unit 140 is mated with default wound fluid color table corresponding to state for the color information of sample image that image identification unit 130 is identified, obtains the state of the wound fluid corresponding with the color information identifying according to matching result.
When reporting to the police, alarm unit 150 can adopt the modes such as acousto-optic.Further, use this wound fluid color identification device 100 to network with medical institutions, send corresponding warning message according to matching result to medical personnel.Preferably, in warning message, can carry current matching result and/or sample image, for medical personnel's reference.
Memory element 160 is stored for the state of the wound fluid of the color information to the sample image getting and correspondence, is convenient to understand the real-time treatment situation of patient.
Whole wound fluid color identification device 100 can be an independent checkout equipment, by wired or wireless mode and negative pressure treatment equipment connection.For example this wound fluid color identification device 100 is mobile terminal, and mobile communication terminal can be connected with negative pressure treatment equipment by the mode of checking.Between mobile communication terminal and negative pressure treatment equipment, be connected by wireless modes such as Bluetooth pairing or infrared remote control or telecommunication path networks.While giving patient treatment, first start the color of this wound fluid color identification device 100 with Real time identification patient wound fluid, again recognition result is sent to negative pressure treatment equipment, negative pressure treatment equipment is made corresponding treatment adjustment according to recognition result, can realize like this intellectuality of patient's Wound healing and bone regeneration.
Above-mentioned wound fluid color identification device 100 compared with prior art, sensor need to be set in liquid-collecting bottle, but utilize the equipment with photographic head, greatly reduce the cost of manufacturing, and no longer use as consumptive material together with liquid-collecting bottle, greatly saved especially use cost.And this wound fluid color identification device 100 can overcome ambient light and the impact of service condition on sample image, reduce the error of identification, be more conducive to patient's treatment.
The present invention also provides a kind of negative pressure treatment system, this negative pressure treatment system comprises above-mentioned wound fluid color identification device and negative pressure treatment equipment, wound fluid color identification device is connected with negative pressure treatment equipment, wound fluid color identification device is for obtaining the real-time state of wound fluid, and the state of acquisition is sent to negative pressure treatment equipment, and negative pressure treatment equipment is made corresponding treatment adjustment according to the state of concrete wound fluid.Wound fluid is mobile communication terminal, and this mobile communication terminal is by wired or wireless mode and negative pressure treatment equipment connection.While adopting wireless mode to connect between the two, can connect by wireless modes such as Bluetooth pairing or infrared remote control or telecommunication path networks.While giving patient treatment, first start the color of wound fluid color identification device with Real time identification patient wound fluid, again recognition result is sent to negative pressure treatment equipment, negative pressure treatment equipment is made corresponding treatment adjustment according to recognition result, can realize like this intellectuality of patient's Wound healing and bone regeneration.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (17)
1. a wound fluid color identification method, is characterized in that, comprises the steps:
Obtain the sample image of wound fluid;
Identify the color information of described sample image;
Determine the state of current wound fluid according to described color information.
2. wound fluid color identification method according to claim 1, is characterized in that, before the color information of the described sample image of described identification, also comprises:
Described sample image is carried out to pretreatment.
3. wound fluid color identification method according to claim 1, is characterized in that, the color information of the described sample image of described identification specifically comprises:
Gather the color-values of multiple sampled points of described sample image according to default sampling rule;
Estimate the color information of described sample image according to the color-values of described multiple sampled points.
4. wound fluid color identification method according to claim 1, is characterized in that, describedly determines that according to described color information the state of current wound fluid specifically comprises:
Described color information is mated with default wound fluid color table corresponding to state;
Obtain the wound fluid state corresponding with described color information.
5. wound fluid color identification method according to claim 2, is characterized in that, describedly described sample image is carried out to pretreatment comprises:
In obtaining the sample image of wound fluid, obtain the correcting image that contains standard grayscale card and/or colour atla;
Correct described sample image according to the correcting image that contains standard grayscale card and/or colour atla obtaining.
6. according to the wound fluid color identification method described in claim 1-5 any one, it is characterized in that, after the described state of determining current wound fluid according to described color information, also comprise:
In the time of the abnormal state of described current wound fluid, carry out alarm.
7. wound fluid color identification method according to claim 6, is characterized in that, described wound fluid color identification method also comprises:
Store the color information of described sample image and the state of described current wound fluid.
8. a wound fluid color identification device, is characterized in that, comprising:
Image acquisition unit, for obtaining the sample image of wound fluid;
Image identification unit, for identifying the color information of described sample image;
Status determining unit, for determining the state of current wound fluid according to described color information.
9. wound fluid color identification device according to claim 8, is characterized in that, described wound fluid color identification device also comprises:
Image pretreatment unit, for carrying out pretreatment to described sample image.
10. wound fluid color identification device according to claim 9, it is characterized in that, described image pretreatment unit is for obtain the correcting image that contains standard grayscale card and/or colour atla in obtaining the sample image of wound fluid, then the correcting image that contains standard grayscale card and/or colour atla that basis is obtained is corrected described sample image.
11. wound fluid color identification devices according to claim 8, it is characterized in that, described image identification unit gathers the color-values of multiple sampled points of described sample image for the sampling rule according to default, then estimates the color information of described sample image according to the color-values of described multiple sampled points.
12. wound fluid color identification devices according to claim 8, it is characterized in that, described status determining unit, for described color information is mated with default wound fluid color table corresponding to state, is obtained the wound fluid state corresponding with described color information.
13. wound fluid color identification devices according to claim 8, is characterized in that, described wound fluid color identification device also comprises:
Alarm unit, in the time of the abnormal state of described current wound fluid, carries out alarm.
14. wound fluid color identification devices according to claim 13, is characterized in that, described wound fluid color identification device also comprises:
Memory element, for storing the color information of described sample image and the state of described current wound fluid.
15. 1 kinds of negative pressure treatment systems, is characterized in that, described negative pressure treatment system at least include wound fluid color identification device as described in claim 8-14 any one and with as described in the negative pressure treatment equipment that is connected of wound fluid color identification device.
16. negative pressure treatment systems according to claim 15, is characterized in that, described wound fluid color identification device is mobile communication terminal.
17. negative pressure treatment systems according to claim 16, is characterized in that, described mobile communication terminal is by wired or wireless mode and described negative pressure treatment equipment connection.
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