CN104316527A - Automatic detection method for discharged dialyzate, and automatic detection device for discharged dialyzate - Google Patents
Automatic detection method for discharged dialyzate, and automatic detection device for discharged dialyzate Download PDFInfo
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Abstract
The embodiment of the invention provides an automatic detection method for a discharged dialyzate, which is used for detecting the color of the dialyzate discharged in a dialyzate bag of a peritoneal dialysis device. The method comprises the following steps: sample images of the dialyzate in the dialyzate bag are periodically obtained through a camera device; the sample images are analyzed, and matching of the sample images and a plurality of preset dialyzate parameters is conducted to obtain the most approximate preset dialyzate color parameter; whether the status of the discharged dialyzate is abnormal or not is determined according to the most approximate preset dialyzate color parameter, and alarm processing is carried out if an abnormal state is determined. The embodiment of the invention further correspondingly provides an automatic detection device for the discharged dialyzate. Through the embodiment of the invention, the dialyzate color can be automatically distinguished at any time, and an alarm can be sent in case of abnormality.
Description
Technical field
The present invention relates to field of medical device, particularly relating to a kind of automatic testing method, device of the dislysate to discharging.
Background technology
Peritoneal dialysis technology is the variant being similar to artificial blood purification.It is the filtering membrane of the peritonaeum by utilizing the blood supply of patient good as health self.Dislysate is inputed to the abdominal cavity of patient by conduit, according to penetration theory, urinary fractions is got rid of and is entered abdominal cavity from blood.After a few hours, the dislysate then this being carried this urinary fractions is discharged from abdominal cavity, thus realizes the effect of dialysis.
In existing technology, several diverse ways generally can be adopted to carry out peritoneal dialysis.Such as, for CAPD (CAPD), patient oneself manually can change dislysate, and such as, every day can change 4 to 5 dislysates; And for robotization peritoneal dialysis (APD), the equipment that one is referred to as circulating instrument (Cycler) can realize automatically changing bag filter at night, thus patient can not be restricted by day.
In this robotization peritoneal dialysis, abdominal cavity is filled dislysate by circulating instrument, and fill volume needs to control, and provides maximum loading to be such as about 3500ml for average adult to patient.Usually, a standard value can be adopted to be used as loading, can avoid determining by test the complex work that specific to each patient, loading brings.
Usually, in peritoneal dialysis instrument, the conduit being inserted abdominal cavity of patients by inputs dislysate, that is, so-called patient catheter, realizes fluid exchange by patient catheter.One end of conduit passes into abdominal cavity of patients, and the other end (outer at patient body) is provided with patient's connector, and it provides the possibility being connected to hose system.
In peritoneal dialysis, dialysis solution is packed in abdominal cavity of patients, between dislysate and blood, mass exchange occurs by patient's peritonaeum.After certain residence time, used dislysate is substituted by the follow-up fresh dialysis fluid provided.Be discharged in collection bag with the dislysate crossed.Due in vivo through peritoneal dialysis effect, the dislysate color of discharge can change.Except dislysate variable color, the change in transparency also usually occurs, and the dislysate of namely discharging may become muddy.Before use, the color of dislysate is generally the color of similar cider; And after using, can there is corresponding variable color or muddiness in dislysate.Whether the dislysate after doctor, the personnel being responsible for dialysis or sufferers themselves can be used by visual inspection has common normal variable color.If there is color exception, then patient may have certain health risk, and such as Protein secretion increases, blood system secretes increase, is likely the sign of early stage peritonitis.Therefore, when occurring color exception, need further to check and find out reason, with exempt from customs examination, patient brings health risk.
Color and the transparency/chaos of being determined the dislysate of current discharge in prior art by artificial contrast is schematically illustrated in Fig. 1.Concrete, its technical scheme is arrange one section for placing the transparent dialysis tubing 22 ' of the sample getting rid of dislysate, and the position for observing muddy color is provided with backlighted district 20 ', to reduce the error caused by environment.Be provided with the preset reference sample that can select and corresponding display panel 12 ' thereof on right side simultaneously, corresponding, be provided with the adjustment button 14 ' can selecting reference sample.When reality uses, manually regulate button 14 ', and call the immediate reference sample with sample by observing.When determining with sample after immediate reference sample, see Fig. 2, the current color determined is stored in the storage chip of equipment, for treatment.
But prior art is Shortcomings part also: because the selection of reference sample manually operates, and the identification of sample color is also realized by manual observation.Therefore this mode automaticity is low, when there is no operating personnel and patient has a rest, just cannot obtain the information that dislysate is relevant.Further, actual therapeutic process is long continued treatment and a large amount of night therapy, therefore in a lot of situation, cannot detect the muddy color of dislysate.And, the muddy color of the dislysate that different time is discharged also may have very large difference, the color that the such as incipient stage discharges is comparatively dark, and the color of discharging below is more shallow, then cannot obtain comprehensively about the status information of the dislysate of discharging when so the frequency of manual measurement is inadequate.
Summary of the invention
Embodiment of the present invention technical matters to be solved is, providing a kind of automatic testing method of the dislysate to discharging, automatically can identify the color of dislysate at any time, and report to the police when occurring abnormal.
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of dislysate to discharging to carry out the method automatically detected, and the color for the dislysate of discharging in the dialyzate bag to peritoneal dialysis instrument detects, and comprises the steps:
The sample image of dislysate in dialyzate bag is periodically obtained by camera head;
Analyze described sample image, mate with the multiple dislysate parameters preset, obtain immediate default dislysate color parameter;
According to described immediate default dialysis color parameter, judge that whether the state of the dislysate of described discharge is abnormal, if judged result is abnormality, then carry out alert process.
Wherein, the described sample image of described analysis, mate with the multiple dislysate parameters preset, the step obtaining immediate default dislysate color parameter specifically comprises:
Described sample image and the multiple reference pictures preset are compared, determines reference picture immediate with described sample image, wherein, the corresponding dislysate parameter of each reference picture;
Obtain the dislysate parameter corresponding to described immediate reference picture.
Wherein, described by described sample image with preset multiple reference pictures compare, determine specifically to comprise with the step of the immediate reference picture of described sample image:
Obtain the rgb value of the rgb value of pixel of sample image diverse location place predetermined quantity and the pixel of the relevant position of default multiple reference pictures;
The rgb value of the pixel of the relevant position of the rgb value of the pixel of described sample image tentation data and described default multiple reference pictures is compared, chooses immediate reference picture.
Wherein, described by described sample image with preset multiple reference pictures compare, determine specifically to comprise with the step of the immediate reference picture of described sample image:
At least part pixel chosen in a block analysis region of described sample image carries out rgb value analysis;
Analyze the distribution of the color rgb value in described region, and determine the color that described sample image entirety presents and transparency;
Compare according to described color and transparency and described multiple reference picture, choose immediate reference picture.
Wherein, described according to described immediate default dialysis color parameter, judge that whether the state of the dislysate of described discharge is abnormal, if judged result is abnormality, then the step of carrying out alert process comprises:
Send corresponding warning message in the mode of networking to related personnel, in described warning message, carry described matching result and/or sample image.
Wherein, comprise taking a step forward of described sample image of analysis:
According to current light environment, by image processing algorithm, institute's sample image calculated and adjusted, obtaining the sample image meeting current light environment.
Correspondingly, another aspect of the embodiment of the present invention, additionally provide the device that a kind of dislysate to discharging carries out automatically detecting, the color for the dislysate of discharging in the dialyzate bag to peritoneal dialysis instrument detects, and comprising:
Sample image acquiring unit, for periodically obtaining the sample image of dislysate in dialyzate bag by camera head;
Matching unit, for analyzing described sample image, mating with the multiple dislysate parameters preset, obtaining immediate default dislysate color parameter;
Matching treatment unit, for according to described immediate default dialysis color parameter, judges that whether the state of the dislysate of described discharge is abnormal, if judged result is abnormality, then carries out alert process.
Wherein, described matching unit comprises:
Comparing unit, for described sample image and the multiple reference pictures preset being compared, and confirms and the immediate reference picture of described sample image, wherein, and the corresponding dislysate parameter of each reference picture;
Dislysate parameter determination unit, for obtaining the dislysate parameter corresponding to the determined immediate reference picture of described comparing unit.
Wherein, described comparing unit specifically comprises:
Rgb value acquiring unit, for the rgb value of the pixel of the relevant position of the rgb value and default multiple reference pictures that obtain the pixel of sample image diverse location place predetermined quantity;
Reference picture chooses unit, and the rgb value for the pixel of the rgb value of the pixel by described sample image tentation data and the relevant position of described default multiple reference pictures compares, and chooses immediate reference picture.
Wherein, described comparing unit specifically comprises:
Region RGB analytic unit, carries out rgb value analysis at least part pixel chosen in a block analysis region of described sample image;
Sample image color determining unit, the distribution of the color rgb value in the described region analyzed for described region RGB analytic unit, determines the color that described sample image entirety presents and transparency,
Immediate reference picture determining unit, for comparing according to described color and transparency and described multiple reference picture, chooses immediate reference picture.
Wherein, described matching treatment unit comprises:
Alarm unit, for sending corresponding warning message in the mode of networking to related personnel, carries described matching result and/or sample image in described warning message.
Wherein, comprise further:
Sample image pretreatment unit, for according to current light environment, is calculated by image processing algorithm the sample image that described sample image acquiring unit obtains and adjusts, and obtains the sample image meeting current light environment.
Implement the embodiment of the present invention, there is following beneficial effect:
In an embodiment of the present invention, by periodically being obtained the sample image of dislysate in dialyzate bag by camera head, and this sample image is identified automatically, when the state identifying dislysate occurs abnormal, then carry out alert process.This automatic identifying, without the need to manual operation, automatically can be carried out, can save manpower;
In an embodiment of the present invention, cannot detect in the random time of therapeutic process, the dislysate of the discharge of Different periods can be detected according to certain time interval or timing at treatments period, the parameter state of the dislysate of discharging more accurately can be provided, affect by the artificial daily schedule, more can characterize the treatment situation of patient, can avoid the human error that may occur in prior art, accuracy is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, the accompanying drawing obtaining other according to these accompanying drawings still belongs to category of the present invention.
Fig. 1 is the existing a kind of color of dislysate and device schematic diagram of transparency by manually determining current discharge;
Fig. 2 is the interface schematic diagram storing colouring information in Fig. 1;
Fig. 3 is the main flow schematic diagram of an automatic testing method embodiment of a kind of dislysate to discharging provided by the invention;
Fig. 4 is the structural representation of an embodiment of the automatic detection device of a kind of dislysate to discharging provided by the invention;
Fig. 5 is the structural representation of an embodiment of matching unit in Fig. 4;
Fig. 6 is the structural representation of an embodiment of comparing unit in Fig. 5;
Fig. 7 is the structural representation of an embodiment of comparing unit in Fig. 5.
Embodiment
The explanation of following embodiment is with reference to accompanying drawing, and in order to formula example, the present invention can in order to the specific embodiment implemented.The direction term that the present invention mentions, such as " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " side " etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is in order to illustrate and to understand the present invention, and is not used to limit the present invention.
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 3, the main flow chart that a kind of dislysate to discharging provided by the invention carries out an embodiment of the method automatically detected is shown.In this embodiment, this carries out the method that automatically detects and detects for the color of the dislysate of discharging in the dialyzate bag to peritoneal dialysis instrument to the dislysate of discharging, comprise the steps:
Step S10, the sample image of dislysate in dialyzate bag is periodically obtained by camera head, particularly, the frequency pre-setting this acquisition can be had, such as can obtain half an hour once in one embodiment, and this camera head can be the camera be arranged on dialysis machine, or independently image can be imported the picture pick-up device of dialysis machine, such as camera, mobile terminal etc.; Wherein, if the transparency of dialyzate bag itself affects the color of dislysate itself, then can be positioned in a dedicated container by the dislysate of this discharge, this container need have good transparency, and lower reflection and refractive index, usually can adopt glassware or clear flexible material container.Usually, due to self reasons such as extraneous light, picture pick-up devices, interference can be caused to the sharpness of image, color etc., preferably, multiple pictures can be taken, and by image algorithm, select wherein optimal photo as sample image.
Step S12, carries out pre-service to sample image, according to current light environment, is calculated by image processing algorithm and adjusts institute's sample image, obtains the sample image meeting current light environment;
Usually, because the self reasons such as extraneous light, picture pick-up device can cause interference to acquisition image, thus cause the error of image color, such as white balance be inaccurate, color distortion etc.Therefore, after acquisition sample image, preferably, pre-service is carried out to it and more can accurately reflect the most real color of dislysate to make it.The concrete professional image algorithm that can arrange calculates the standard picture color meeting current light environment;
Be understandable that, this step is optional step, if the image of shooting meets current light environment, then does not need to carry out this pretreated process.
In addition, also can before acquisition samples pictures, by taking standard grayscale card in advance and/or colour atla corrects acquisition parameters.Such as can by this shooting standard grayscale card, and the image taken out and this standard grayscale card are contrasted, by constantly adjusting the acquisition parameters of camera head, the gray scale of shooting image out and standard grayscale card not there are differences, then can ensure that follow-up shooting picture is out substantially identical with material object.
Step S14, analyzes described sample image, mates, obtain immediate default dislysate color parameter with the multiple dislysate parameters preset; Particularly, comprising:
Described sample image and the multiple reference pictures preset are compared, determines reference picture immediate with described sample image, wherein, the corresponding dislysate parameter of each reference picture;
Obtain the dislysate parameter corresponding to described immediate reference picture.
In one embodiment, described by described sample image with preset multiple reference pictures compare, determine specifically to comprise with the step of the immediate reference picture of described sample image:
Obtain the rgb value of the rgb value of pixel of sample image diverse location place predetermined quantity and the pixel of the relevant position of default multiple reference pictures, wherein, the rgb value obtaining pixel can be realized by a lot of method, such as JAVA language programming realization can be passed through, or obtained by such as rgb signal capture card collection, do not describe in detail at this;
The rgb value of the pixel of the relevant position of the rgb value of the pixel of described sample image tentation data and described default multiple reference pictures is compared, chooses immediate reference picture.
In another embodiment, described by described sample image with preset multiple reference pictures compare, determine specifically to comprise with the step of the immediate reference picture of described sample image:
At least part pixel chosen in a block analysis region of described sample image carries out rgb value analysis;
Analyze the distribution of the color rgb value in described region, and determine the color that described sample image entirety presents and transparency;
Compare according to described color and transparency and described multiple reference picture, choose immediate reference picture.
Step S16, according to described immediate default dialysis color parameter, judges that whether the state of the dislysate of described discharge is abnormal, if judged result is abnormality, then carries out alert process, comprise particularly:
Send corresponding warning message in the mode of networking to related personnel (as medical personnel), in described warning message, carry described matching result and/or sample image.
As shown in Figures 4 to 7, the schematic diagram that a kind of dislysate to discharging provided by the invention carries out an embodiment of the device automatically detected is shown.In this embodiment, this carries out the device 1 that automatically detects and detects for the color of the dislysate of discharging in the dialyzate bag to peritoneal dialysis instrument to the dislysate of discharging, comprising:
Sample image acquiring unit 10, for periodically obtaining the sample image of dislysate in dialyzate bag by camera head;
Sample image pretreatment unit 12, for according to current light environment, is calculated by image processing algorithm the sample image that described sample image acquiring unit obtains and adjusts, and obtains the sample image meeting current light environment;
Matching unit 14, for analyzing described sample image, mating with the multiple dislysate parameters preset, obtaining immediate default dislysate color parameter;
Matching treatment unit 16, for according to described immediate default dialysis color parameter, judges that whether the state of the dislysate of described discharge is abnormal, if judged result is abnormality, then carries out alert process;
Storage unit 18, for storing described sample image and matching result.
Wherein, described matching unit 14 comprises:
Comparing unit 140, for described sample image and the multiple reference pictures preset being compared, and confirms and the immediate reference picture of described sample image, wherein, and the corresponding dislysate parameter of each reference picture;
Dislysate parameter determination unit 142, for obtaining the dislysate parameter corresponding to the determined immediate reference picture of described comparing unit.
Wherein, described comparing unit 140 specifically comprises:
Rgb value acquiring unit 146, for the rgb value of the pixel of the relevant position of the rgb value and default multiple reference pictures that obtain the pixel of sample image diverse location place predetermined quantity;
Reference picture chooses unit 147, and the rgb value for the pixel of the rgb value of the pixel by described sample image tentation data and the relevant position of described default multiple reference pictures compares, and chooses immediate reference picture.
Wherein, described comparing unit 140 specifically comprises:
Region RGB analytic unit 143, carries out rgb value analysis at least part pixel chosen in a block analysis region of described sample image;
Sample image color determining unit 144, the distribution of the color rgb value in the described region analyzed for described region RGB analytic unit, determines the color that described sample image entirety presents and transparency,
Immediate reference picture determining unit 145, for comparing according to described color and transparency and described multiple reference picture, chooses immediate reference picture.
Wherein, described matching treatment unit 16 comprises:
Alarm unit 160, for sending corresponding warning message in the mode of networking to related personnel, carries described matching result and/or sample image in described warning message.
The more details of each parts of device 1 automatically detected is carried out the dislysate of discharging for this, can with reference to aforementioned to the description in Fig. 3.
Be understandable that, this can be an independent checkout equipment to the device that the dislysate of discharging carries out automatically detecting, also can be integrated in existing equipment (as individual mobile terminal), can be connected with dialysis machine by wired or wireless mode, such as, can be connected with dialysis machine by the mode of checking.
Implement the embodiment of the present invention, there is following beneficial effect:
In an embodiment of the present invention, by periodically being obtained the sample image of dislysate in dialyzate bag by camera head, and this sample image is identified automatically, when the state identifying dislysate occurs abnormal, then carry out alert process.This automatic identifying, without the need to manual operation, automatically can be carried out, can save manpower;
In an embodiment of the present invention, cannot detect in the random time of therapeutic process, the dislysate of the discharge of Different periods can be detected according to certain time interval or timing at treatments period, the parameter state of the dislysate of discharging more accurately can be provided, affect by the artificial daily schedule, more can characterize the treatment situation of patient, can avoid the human error that may occur in prior art, accuracy is high.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (12)
1. the dislysate of discharging is carried out to the method automatically detected, the color for the dislysate of discharging in the dialyzate bag to peritoneal dialysis instrument detects, and it is characterized in that, comprises the steps:
The sample image of dislysate in dialyzate bag is periodically obtained by camera head;
Analyze described sample image, mate with the multiple dislysate parameters preset, obtain immediate default dislysate color parameter;
According to described immediate default dialysis color parameter, judge that whether the state of the dislysate of described discharge is abnormal, if judged result is abnormality, then carry out alert process.
2. a kind of dislysate to discharging carries out the method for detection automatically as claimed in claim 1, it is characterized in that, the described sample image of described analysis, mate with the multiple dislysate parameters preset, the step obtaining immediate default dislysate color parameter specifically comprises:
Described sample image and the multiple reference pictures preset are compared, determines reference picture immediate with described sample image, wherein, the corresponding dislysate parameter of each reference picture;
Obtain the dislysate parameter corresponding to described immediate reference picture.
3. a kind of dislysate to discharging carries out the method for detection automatically as claimed in claim 2, it is characterized in that, described by described sample image with preset multiple reference pictures compare, determine specifically to comprise with the step of the immediate reference picture of described sample image:
Obtain the rgb value of the rgb value of pixel of sample image diverse location place predetermined quantity and the pixel of the relevant position of default multiple reference pictures;
The rgb value of the pixel of the relevant position of the rgb value of the pixel of described sample image tentation data and described default multiple reference pictures is compared, chooses immediate reference picture.
4. a kind of dislysate to discharging carries out the method for detection automatically as claimed in claim 2, it is characterized in that, described by described sample image with preset multiple reference pictures compare, determine specifically to comprise with the step of the immediate reference picture of described sample image:
At least part pixel chosen in a block analysis region of described sample image carries out rgb value analysis;
Analyze the distribution of the color rgb value in described region, and determine the color that described sample image entirety presents and transparency;
Compare according to described color and transparency and described multiple reference picture, choose immediate reference picture.
5. a kind of dislysate to discharging as described in any one of Claims 1-4 carries out the method automatically detected, it is characterized in that, described according to described immediate default dialysis color parameter, judge that whether the state of the dislysate of described discharge is abnormal, if judged result is abnormality, then the step of carrying out alert process comprises:
Send corresponding warning message in the mode of networking to related personnel, in described warning message, carry described matching result and/or sample image.
6. a kind of dislysate to discharging carries out the method for detection automatically as claimed in claim 5, it is characterized in that, comprises taking a step forward of described sample image of analysis:
According to current light environment, by image processing algorithm, institute's sample image calculated and adjusted, obtaining the sample image meeting current light environment.
7. the dislysate of discharging is carried out to the device automatically detected, the color for the dislysate of discharging in the dialyzate bag to peritoneal dialysis instrument detects, and it is characterized in that, comprising:
Sample image acquiring unit, for periodically obtaining the sample image of dislysate in dialyzate bag by camera head;
Matching unit, for analyzing described sample image, mating with the multiple dislysate parameters preset, obtaining immediate default dislysate color parameter;
Matching treatment unit, for according to described immediate default dialysis color parameter, judges that whether the state of the dislysate of described discharge is abnormal, if judged result is abnormality, then carries out alert process.
8. a kind of dislysate to discharging carries out the device of detection automatically as claimed in claim 7, and it is characterized in that, described matching unit comprises:
Comparing unit, for described sample image and the multiple reference pictures preset being compared, and confirms and the immediate reference picture of described sample image, wherein, and the corresponding dislysate parameter of each reference picture;
Dislysate parameter determination unit, for obtaining the dislysate parameter corresponding to the determined immediate reference picture of described comparing unit.
9. a kind of dislysate to discharging carries out the device of detection automatically as claimed in claim 8, and it is characterized in that, described comparing unit specifically comprises:
Rgb value acquiring unit, for the rgb value of the pixel of the relevant position of the rgb value and default multiple reference pictures that obtain the pixel of sample image diverse location place predetermined quantity;
Reference picture chooses unit, and the rgb value for the pixel of the rgb value of the pixel by described sample image tentation data and the relevant position of described default multiple reference pictures compares, and chooses immediate reference picture.
10. a kind of dislysate to discharging carries out the device of detection automatically as claimed in claim 8, and it is characterized in that, described comparing unit specifically comprises:
Region RGB analytic unit, carries out rgb value analysis at least part pixel chosen in a block analysis region of described sample image;
Sample image color determining unit, the distribution of the color rgb value in the described region analyzed for described region RGB analytic unit, determines the color that described sample image entirety presents and transparency,
Immediate reference picture determining unit, for comparing according to described color and transparency and described multiple reference picture, chooses immediate reference picture.
11. a kind of dislysates to discharging as described in any one of claim 7-10 carry out the device automatically detected, and it is characterized in that, described matching treatment unit comprises:
Alarm unit, for sending corresponding warning message in the mode of networking to related personnel, carries described matching result and/or sample image in described warning message.
12. want a kind of dislysate to discharging as described in 11 to carry out the device automatically detected as right, it is characterized in that, comprise further:
Sample image pretreatment unit, for according to current light environment, is calculated by image processing algorithm the sample image that described sample image acquiring unit obtains and adjusts, and obtains the sample image meeting current light environment.
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