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公开(公告)号：EP3647774A1
公开(公告)日：2020-05-06
申请号：EP18203789.5
申请日：2018-10-31
IPC分类号： G01N21/84 , G01N33/487
摘要： An optical test strip (118) for measuring an analyte concentration in a sample of bodily fluid is disclosed. The optical test strip (118) comprises:
a) a bottom layer (116) having a first end (130);
b) a top layer (110) having a first end (132) essentially aligned with the first end (130) of the bottom layer (116);
c) at least one spacer layer (114) interposed between the bottom layer (116) and the top layer (110), the spacer layer (114) having a length shorter than the bottom layer (116) and shorter than the top layer (110) such that the top layer (110) and the bottom layer (116) protrude over the spacer layer (114), wherein the first end (130) of the bottom layer (116), the first end (132) of the top layer (110), and the spacer layer (114) form a sample receiving area (140) which at least partially has capillary properties for receiving the sample of bodily fluid; and
d) at least one test field (112), wherein the test field (112) comprises a test chemical being configured for performing an optically detectable detection reaction with the analyte, wherein the test field (112) comprises at least one first region (126) and at least one second region (128), wherein the first region (126) faces the sample receiving area (140), wherein the first region (126) is configured to be at least partly wetted by the sample of bodily fluid upon sample application, wherein the second region (128) is covered by the spacer layer (114) such that the second region (128) is essentially inaccessible for the sample of bodily fluid.-
公开(公告)号：EP3527972A1
公开(公告)日：2019-08-21
申请号：EP18157426.0
申请日：2018-02-19
发明人： Limburg, Bernd
摘要： A method, a mobile device (112) and a kit (148) for performing an analytical measurement are disclosed, wherein outliers are eliminated. The method comprises: providing at least one mobile device (112) having at least one camera (114); providing at least one test strip (118) configured for performing a color-change detection reaction and applying at least one sample to at least one test field (120) of the test strip (118), the test field (120) containing at least one test chemical for detecting at least one analyte in the sample; capturing at least one image (124) of at least a part of the test strip (118) by using the camera (114), wherein said image (124) is comprised of a plurality of pixels; determining at least one region of interest (128) in the image (124), and associating a first sub-set of pixels with the region of interest (128); evaluating a color distribution within the first sub-set of pixels and eliminating outliers in the first sub-set of pixels; determining at least one sub-region of interest (134) within the region of interest (128), the sub-region of interest (134) having a smaller area than the region of interest (128), and associating a second sub-set of pixels with the sub-region of interest (134); and comparing at least one mean value of the color distribution of the first sub-set of pixels and at least one mean value of a color distribution of the second sub-set of pixels and determining thereby at least one item of homogeneity information on a homogeneity of the image (124).
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公开(公告)号：EP3936859A1
公开(公告)日：2022-01-12
申请号：EP20184181.4
申请日：2020-07-06
发明人： Berg, Max , Hailer, Fredrik , Limburg, Bernd , Alperowitz, Lukas
IPC分类号： G01N21/84
摘要： A method of performing at least one analytical measurement is disclosed. The method comprises using using a mobile device (112, e.g. mobile phone) having at least one camera (116). The method further comprises:
i) capturing, by using the camera (116), a time series of images of at least a part of at least one medical article (114);
ii) deriving, from the time series of images, image-derived position information on a relative position of the mobile device (112) and the medical article (114), thereby generating a first time series of position information;
iii) capturing, by using at least one sensor device (118) of the mobile device (112), measurement information on the relative position of the mobile device (112) and the medical article (114);
iv) deriving, from the measurement information, measurement-derived position information on the relative position of the mobile device (112) and the medical article (114), thereby generating a second time series of position information;
v) generating an augmented time series of position information by combining the first time series of position information and the second time series of position information; and
vi) providing guidance to a user, based on the augmented time series of position information, for changing the relative position of the mobile device (112) and the medical article (114) in order to have the user bring the mobile device (112) into at least one relative target position of the mobile device (112) and the medical article (114). Further, a mobile device (112), a kit (110) for performing at least one analytical measurement, a computer program and a computer-readable storage medium is disclosed.-
公开(公告)号：EP3651162A1
公开(公告)日：2020-05-13
申请号：EP18205003.9
申请日：2018-11-07
发明人： Berg, Max , Guermazi, Zied , Hailer, Fredrik , Limburg, Bernd , Melchinger, Christian , Sieffert, Daniel , Wetzel, Simon , Wieder, Herbert
摘要： A method of evaluating the suitability of a mobile device (112) for performing an analytical measurement based on a color formation reaction, a method of calibrating a mobile device (112) for performing an analytical measurement based on a color formation reaction and a method of performing an analytical measurement based on a color formation reaction in an optical test strip (120) by using a mobile device (112) are disclosed. Further disclosed are a suitability computer program, a calibration computer program and a measurement computer program as well as a mobile device (112) and a kit(110). The method of evaluating the suitability of a mobile device (112) for performing an analytical measurement based on a color formation reaction comprises:
a) evaluating the capability of the mobile device (112) to have one or more relevant settings of the mobile device (112) controlled by a user's software running on the mobile device (112), the relevant settings pertaining to image raw data processing steps to be carried out by the mobile device (112), wherein the relevant settings include at least one of a color space transformation (132)and a tone mapping transformation (136);
b) if the evaluation in step a) indicates that the mobile device (112) is capable of having the one or more relevant settings controlled by the user's software, providing at least one item of control information, the at least one item of control information indicating that the mobile device (112) is suitable for performing the analytical measurement; and
c) if the evaluation in step a) indicates that the mobile device (112) is not capable of having the one or more relevant settings controlled by the user's software, providing at least one item of control information, the at least one item of control information indicating that the mobile device (112) is unsuitable for performing the analytical measurement.-
公开(公告)号：EP3865862A1
公开(公告)日：2021-08-18
申请号：EP20157055.3
申请日：2020-02-13
发明人： Berg, Max , Heiler, Frederik , Limburg, Bernd
IPC分类号： G01N21/78 , G01N33/52 , G01N21/29 , G01N33/487
摘要： The present invention relates to an analytical method for determining a concentration of an analyte in a bodily fluid by using a mobile device having a camera and a processor, comprising:
i) capturing an image of an optical test strip by the camera, the test strip having a sample of the bodily fluid applied onto a reagent test region; and
ii) receiving local temperature information at a current location of the mobile device, wherein said local temperature information is received by the mobile device from at least one of the following temperature source options:
a) a remote weather information service; and/or
b) a temperature sensor of an external electronic device; and/or
c) a temperature sensor of the mobile device; and
iii) optionally, determining, by the processor, a correction temperature and/or a correction temperature function, using the local temperature information from step ii); and
iv) determining, by the processor, the analyte concentration from the image captured in step i), based on a color formation reaction at the reagent test region having the sample of the bodily fluid applied thereto, taking into account at least one of the local temperature information from step ii), the correction temperature from step iii), and the correction temperature function from step iii).-
6.发明公开
公开(公告)号：EP3477270A1
公开(公告)日：2019-05-01
申请号：EP17198290.3
申请日：2017-10-25
发明人： Limburg, Bernd
摘要： A method for evaluating the suitability of a mobile device (112) having at least one camera (122) for the purpose of performing an analytical measurement based on a color formation reaction is disclosed. The method comprises:
a) providing the at least one mobile device (112) having the at least one camera (122);
b) providing at least one object (114) having at least one reference color field (116);
c) taking at least one image (123) of at least part of the reference color field (116) by using the camera (122); and
d) deriving at least one item of color resolution information by using the image (123).-
公开(公告)号：EP4033496A1
公开(公告)日：2022-07-27
申请号：EP22162548.6
申请日：2018-11-07
发明人： Berg, Max , Guermazi, Zied , Hailer, Fredrik , Limburg, Bernd , Melchinger, Christian , Sieffert, Daniel , Wetzel, Simon , Wieder, Herbert
摘要： A method of evaluating the suitability of a mobile device (112) for performing an analytical measurement based on a color formation reaction, a method of calibrating a mobile device (112) for performing an analytical measurement based on a color formation reaction and a method of performing an analytical measurement based on a color formation reaction in an optical test strip (120) by using a mobile device (112) are disclosed. Further disclosed are a suitability computer program, a calibration computer program and a measurement computer program as well as a mobile device (112) and a kit (110). The method of evaluating the suitability of a mobile device (112) for performing an analytical measurement based on a color formation reaction comprises:
a) evaluating the capability of the mobile device (112) to have one or more relevant settings of the mobile device (112) controlled by a user's software running on the mobile device (112), the relevant settings pertaining to image raw data processing steps to be carried out by the mobile device (112), wherein the relevant settings include at least one of a color space transformation (132) and a tone mapping transformation (136);
b) if the evaluation in step a) indicates that the mobile device (112) is capable of having the one or more relevant settings controlled by the user's software, providing at least one item of control information, the at least one item of control information indicating that the mobile device (112) is suitable for performing the analytical measurement; and
c) if the evaluation in step a) indicates that the mobile device (112) is not capable of having the one or more relevant settings controlled by the user's software, providing at least one item of control information, the at least one item of control information indicating that the mobile device (112) is unsuitable for performing the analytical measurement.-
公开(公告)号：EP3954990A1
公开(公告)日：2022-02-16
申请号：EP20190454.7
申请日：2020-08-11
摘要： The present invention relates to a test strip fixation device
- being configured to be used in a method for determining a concentration of an analyte in a bodily fluid by using a mobile device having a camera, said method comprising capturing by the camera at least one image containing at least a part of an optical test strip and at least a part of said test strip fixation device, the optical test strip having a sample of the bodily fluid applied onto a reagent test region of the optical test strip, wherein the image comprises at least a part of the reagent test region having the sample of the bodily fluid applied thereto, and wherein the image comprises at least a part of a top surface of the test strip fixation device;
said test strip fixation device comprising
a) an essentially planar shape;
b) a cut-out portion;
c) a top surface comprising a plurality of color reference fields having known reference color values, including grey reference fields locally arranged around the cut-out portion and around at least some of the non-grey color reference fields; and comprising position detection code elements;
d) a bottom surface comprising a fixation element for detachable connection of the optical test strip relative to said test strip fixation device, such that the reagent test region can be aligned with the cut-out portion.-
公开(公告)号：EP3650843A1
公开(公告)日：2020-05-13
申请号：EP18205002.1
申请日：2018-11-07
发明人： Berg, Max , Hailer, Fredrik , Limburg, Bernd
IPC分类号： G01N21/84
摘要： A method of performing an analytical measurement based on a color formation reaction in an optical test strip (116) by using a mobile device (112) having a camera (114) as well as a computer program including computer-executable instructions for performing the method are disclosed. Further disclosed are a mobile device and a kit for performing an analytical measurement. The method comprises step a): providing an optical test strip (116) having a test field (118) without having a sample applied thereto; step b): capturing at least one first image of at least part of the test field (118) of the optical test strip (116) without having a sample applied thereto by using the camera (114) with at least one image acquisition setting of the camera (114), specifically with a set of acquisition settings of the camera (114); step c): applying a sample, specifically a drop, of bodily fluid to the test field (118) of the optical test strip (116); step d): waiting for a predetermined minimum amount of time; step e): capturing at least one second image of at least part of the test field (118) of the optical test strip (116) having the sample of bodily fluid applied thereto by using the camera (114) with the one or more image acquisition settings of the camera (114), wherein the image acquisition settings of the camera (114) are the same image acquisition settings of the camera (114) as used in step b); and step f): determining an analytical measurement result value by using the first and the second image of the optical test field (118) of the optical test strip (116), specifically by comparing the at least two images.
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